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H21B4 Search results
Supplier
SANKEY SHARE CO.,LIMITED 8STAR-IC MAINtron Electronics Limited. Alison Enterprise Co., Ltd. Allicdata Electronics Limited AlphaTek Electronics Co.,Ltd. Alphatek Technology Limited ANKEY ELECTRONICS CO.,LTD ANT Electronics (HK) Co.,Ltd ANT Electronics (HK) Co.,Ltd Renxim Electronic Limited. RENXIM Electronics Co.,Ltd. Asemicon Tech. Co.,Ltd. Asia Military Components Trading Co., Ltd. MAINtron Electronics Co.,Ltd. BASUKI ELECTRONICS CO.,LTD. WLParts Electronics ltd SemiLex Electronics Inc. BONASE(HK)ELECTRONICSCO.,L BONASE(HK)ELECTRONICSCO.,L Shenzhen Boshuo Technology Development Co., Ltd NegoICCo. SANKEY SHARE CO.,LIMITED SANKEY SHARE CO.,LIMITED MicrotranikComponents,Inc
Premium A
Element14
Part # Mfg Datasheet Description RoHS Q'ty Price Buy Now
H21A2
H21A2
ISOCOM COMPONENTS 2004 LTD H21A2 datasheet PHOTO INTERRUPTER, 30V, NPN, 85DEG C; ROHS COMPLIANT 472 1+ : $1.59
10+ : $1.51
25+ : $1.41
50+ : $1.35
100+ : $1.29
500+ : $1.19
Buy Now
H21A2 buy now
H21A3
H21A3
ONSEMI H21A3 datasheet OPTOCOUPLER, SINGLE CHANNEL; Sensor Output:Phototransistor; Sensor Mounting:Panel / Chassis; Gap Wid ROHS COMPLIANT 1+ : $2.34
25+ : $2.08
50+ : $1.84
100+ : $1.58
500+ : $1.34
Buy Now
H21A3 buy now
Premium B
info
FEDERAL INDUSTRY CO.
Singapore
Tess@sunnlyic.com
Part # Mfg Datasheet Description Q'ty Datacode Location Reg Date RFQ
H21B1 See all 3 items FAIRCHILD H21B1 datasheet DIP4 58254 20+PB Pb-Free 26-10-23
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H21B1 inquiry
H21B2 See all 3 items FAIRCHILD H21B2 datasheet 40922 20+PB Pb-Free 26-10-23
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H21B2 inquiry
H21B6 See all 2 items FAIRCHILD H21B6 datasheet GAP3.18-DIP4 623 20+PB Pb-Free 26-10-23
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H21B6 inquiry
info
IC Agent Electronics Ins
USA
Kevin@ic-agent.com
Part # Mfg Datasheet Description Q'ty Datacode Location Reg Date RFQ
H21B6 See all 2 items FAIRCHI H21B6 datasheet DIP-4 132160 2020+ Instock 26-10-23
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H21B6 inquiry
Basic
SupplierPart # Mfg Datasheet Description Q'ty Datacode Location Reg Date RFQ
SANKEY SHARE CO.,LIMITED H21B4 H21B4 datasheet 13+ 789465 13+ stock 2024-06-11
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H21B4 inquiry
8STAR-IC H21B4 instock H21B4 datasheet original new 52800 11+ 2023-07-28
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H21B4 inquiry
MAINtron Electronics Limited. H21B4 STOCK H21B4 datasheet standard package with RoHS 43090 2016+ 1-2 days 2024-04-26
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H21B4 inquiry
Alison Enterprise Co., Ltd. H21B4 FAIRCHIL H21B4 datasheet DIP 20040 10+ STOCK 2026-05-09
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Allicdata Electronics Limited H21B4 ONSemicond H21B4 datasheet SENSOROPTOSLOT3MMDARLTHRUOpticalSensorTransmissive0.118(3mm)Photodarli 66540 2018 Betterpricebigqty 2021-07-22
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H21B4 inquiry
AlphaTek Electronics Co.,Ltd. H21B4 Fairchild H21B4 datasheet SENSOR OPTO SLOT 3MM DARL THRU 41685 1531+ new in stock 2020-12-03
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H21B4 inquiry
Alphatek Technology Limited H21B4 Fairchild H21B4 datasheet SENSOR OPTO SLOT 3MM DARL THRU 41685 1531+ new in stock 2020-12-03
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H21B4 inquiry
ANKEY ELECTRONICS CO.,LTD H21B4 H21B4 datasheet 789465 13+ stock 2026-04-03
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ANT Electronics (HK) Co.,Ltd H21B4 See all 2 items FAIRCHIL H21B4 datasheet 75000 2011+Rohs 2026-08-29
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ANT Electronics (HK) Co.,Ltd H21B4 See all 2 items FAIRCHIL H21B4 datasheet 75000 2011+Rohs 2026-08-29
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H21B4 inquiry
Renxim Electronic Limited. [ sales@renxim.com ] H21B4 See all 2 items NEW H21B4 datasheet Original package well 87730 2016+ Globally & Immediately 2026-01-06
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H21B4 inquiry
RENXIM Electronics Co.,Ltd. H21B4 NEW H21B4 datasheet Original package well 87730 18+ Globally & Immediately 2025-08-02
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H21B4 inquiry
Asemicon Tech. Co.,Ltd. H21B4 FAIRCHIL H21B4 datasheet DIP 20959 10+ STOCK 2026-05-09
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H21B4 inquiry
Asia Military Components Trading Co., Ltd. H21B4 FAIRCHIL H21B4 datasheet DIP 21880 NEW+ STOCK 2026-05-09
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H21B4 inquiry
MAINtron Electronics Co.,Ltd. H21B4 STOCK H21B4 datasheet standard package with RoHS 43090 2016+ 1-2 days 2025-11-18
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H21B4 inquiry
BASUKI ELECTRONICS CO.,LTD. H21B4 FAIRCHILD H21B4 datasheet DIP 84309 N/A STOCK 2022-08-08
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H21B4 inquiry
WLParts Electronics ltd H21B4 See all 3 items FAIRCHILD H21B4 datasheet ROHS 135000 13+/14+ 2021-11-11
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H21B4 inquiry
SemiLex Electronics Inc. H21B4 IC H21B4 datasheet NEW RoHS and More QTY 58380 17+ STK,Prompt delivery 2026-09-29
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H21B4 inquiry
BONASE(HK)ELECTRONICSCO.,L H21B4 FAIRCHIL H21B4 datasheet N/A 40000 2015+ 2026-10-19
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BONASE(HK)ELECTRONICSCO.,L H21B4 FAIRCHIL H21B4 datasheet N/A 40000 2014+ 2026-10-19
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H21B4 inquiry
Shenzhen Boshuo Technology Development Co., Ltd H21B4 ON H21B4 datasheet DIP-4 3000 2212+ 2024-09-22
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H21B4 inquiry
NegoICCo. H21B4 See all 2 items FAIRCHILD H21B4 datasheet DIP-4 16666 2022+ IN STOCK 2026-08-21
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H21B4 inquiry
SANKEY SHARE CO.,LIMITED H21B4 H21B4 datasheet 789465 13+ stock 2020-04-08
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H21B4 inquiry
SANKEY SHARE CO.,LIMITED H21B4 H21B4 datasheet 789465 13+ stock 2020-04-08
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H21B4 inquiry
MicrotranikComponents,Inc H21B4 Distributor H21B4 datasheet for more pls inquire us now 130750 17+RoHS New instock, best quality 2026-09-29
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H21B4 inquiry
TIMICOMM Electronics [ info@timicomm.com ] H21B4 ON H21B4 datasheet SENSOR OPT SLOT DARL PC PINS 57300 2022+ new STOCK 2026-01-06
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Cubic Technology Co.,Ltd. H21B4 FAIRCHILD H21B4 datasheet DIP 84859 N/A STOCK 2026-05-09
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Semilex Distributor [ sales@semi-lex.com ] H21B4 ON H21B4 datasheet SENSOR OPT SLOT DARL PC PINS 122308 2019+ Can ship immediately 2024-09-25
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Data Biz Advance Int’l Co., Ltd. H21B4 FAIRCHILD H21B4 datasheet DIP 84000 NEW+ STOCK 2026-05-09
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DBA Int’l PTE LTD. H21B4 FAIRCHIL H21B4 datasheet DIP 20851 NEWD/C STOCK 2026-05-09
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RENXIM Electronics Inc H21B4 See all 2 items Good price H21B4 datasheet new and original package well 88490 15-16+ INSTOCK & GLOBAL 2025-11-17
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H21B4 inquiry
DIGSAN SEMICONDUCTORS CORP. H21B4 FAIRCHILD H21B4 datasheet DIP 84103 NEW+ STOCK 2026-05-09
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H21B4 inquiry
ANRIC Int'l Electronics Limited H21B4 See all 2 items Semiconductor H21B4 datasheet RoHS Compliant 76620 14+ Can Respond ASAP 2023-10-23
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H21B4 inquiry
Evergreen Electronics Co.,Ltd H21B4 Fairchild H21B4 datasheet PCB Mount 11956 12+ RFQ,IN STOCK, ROHS Compliant 2018-03-31
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EKT Electronics Co., Ltd H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2021-01-03
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H21B4 inquiry
En-Kaite Electronics Co., Ltd enkaite@foxmail.com H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 update More Information,contact us! 2019-03-25
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H21B4 inquiry
enkaite Electronics Co., Ltd H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 2016+ New & Original parts and in ou 2020-05-11
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H21B4 inquiry
PXT Direct Electronics Co.,Ltd H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2020-04-27
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H21B4 inquiry
FANTASTIC ELECTRONICS ( KONGKONG) LTD H21B4 DIP H21B4 datasheet photo-electric switch 1000 FAIRCHILD new and original. 2020-02-17
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H21B4 inquiry
FAST IC ELECTRONICS CO.LTD H21B4 See all 2 items FAIRCHILD H21B4 datasheet 09+ 453 09+ IN STOCK SUPPLY 2024-03-03
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fenkey electronics co.,ltd H21B4 H21B4 datasheet 789465 13+ stock 2026-04-03
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fenyang electronics co.,ltd H21B4 H21B4 datasheet 789465 13+ stock 2026-04-03
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Fusin Electronics(HK) Co.,Ltd H21B4 FAIRCHILD H21B4 datasheet 5000 2018-04-27
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Fengyangxin Technology ( HK ) Co.,Ltd H21B4 H21B4 datasheet 789465 13+ stock 2026-04-03
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General Electronics Co.,Ltd H21B4 Fairchild H21B4 datasheet PCB Mount 2673 12+ ask for price now 2018-01-22
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Globalway components Sdn Bhd. H21B4 FAIRCHIL H21B4 datasheet DIP 21428 10+ STOCK 2022-10-22
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Semilex Electronics [ info@semi-lex.com ] H21B4 IC H21B4 datasheet NEW RoHS and More QTY 38230 16+ STK,Prompt delivery 2025-06-18
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H21B4 inquiry
Gusun Electronics Co.,LTD. H21B4 FAIRCHIL H21B4 datasheet DIP 22663 NEWER+ STOCK 2026-05-09
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HCI(hitsem@gmail.com) H21B4 FAIRCHILD H21B4 datasheet Standard 80000 13~17+ 1-3Days 2026-09-24
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Ameyic Electronics Limited H21B4 Fairchild H21B4 datasheet SENSOR OPTO SLOT 3MM DARL THRU 13830 2013+ Pb-Free,Timely Response 2020-12-03
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H21B4 inquiry
Timicomm Electronics Limited H21B4 See all 2 items original H21B4 datasheet RoHS Compliant 39014 17+/18+ New Stock,Always Ready 2023-10-23
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H21B4 inquiry
HongDaElectronicsCo.LTD H21B4 ONSemicond H21B4 datasheet SENSOROPTOSLOT3MMDARLTHRU 68850 2020 2023-05-23
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H21B4 inquiry
HK HongYuan Electronics Company LTD H21B4 Originalne H21B4 datasheet ROHS 48110 12+ 2023-07-28
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H21B4 inquiry
HXD Electronics Company H21B4 FAIRCHILD H21B4 datasheet 700 20+21+ 2023-07-28
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H21B4 inquiry
IC INTERNATIONAL TRADING CO. H21B4 FAIRCHILD H21B4 datasheet 700 21+ 2026-01-19
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Transcrui Microcircuit Corporation H21B4 See all 2 items ON H21B4 datasheet SENSOR OPT SLOT DARL PC PINS 38654 2022+ Original instock,Rush delivery 2024-09-23
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Evatronix(HK) Electronics Trade Inc H21B4 See all 2 items ON H21B4 datasheet SENSOR OPT SLOT DARL PC PINS 67766 2020+ HOT SALES & GLOBAL 2024-09-24
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H21B4 inquiry
IC Agent Electronics Ins H21B4 FAIRCHILD/ H21B4 datasheet DIP-4 16824 2020+ Instock 2022-10-29
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H21B4 inquiry
ICHOME Industrial Co., Ltd. H21B4 FAIRCHIL H21B4 datasheet DIP 21265 NEW+ INSTOCK 2026-05-09
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H21B4 inquiry
Icompplus Electronics H21B4 H21B4 datasheet 0 2016-05-19
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H21B4 inquiry
ANRIC ELECTRONICS CO.,LTD. H21B4 Semiconductor H21B4 datasheet RoHS Compliant 20345 16/17+ new and original in hand 2023-11-28
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H21B4 inquiry
Integrated Solution Co.,Ltd H21B4 Fairchild H21B4 datasheet PCB Mount 2650 14+ stock on hand 2014-10-19
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H21B4 inquiry
Integrated Solution Co.,Ltd Stocking Distributor H21B4 Fairchild H21B4 datasheet PCB Mount 2650 15+ STOCK 2017-09-25
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JAK ELECTRONICS LIMITED H21B4 Fairchild/ H21B4 datasheet SENSOROPTOSLOT3MMDARLTHRU 2103 Stock 2019-10-30
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H21B4 inquiry
KANKEY ELECTRONICS CO.,LTD H21B4 H21B4 datasheet 789465 13+ stock 2026-04-03
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H21B4 inquiry
KAWAIC COMPONENTS CORP. H21B4 FAIRCHIL H21B4 datasheet DIP 21190 10+ STOCK 2019-03-05
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H21B4 inquiry
KE XING ELECTRONICS CO.,LTD H21B4 See all 4 items FC H21B4 datasheet 7677 16+ New & Original 2016-06-25
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H21B4 inquiry
Electronics & Semiconductor H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 2011+ New parts and Stock on hand 2013-07-31
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H21B4 inquiry
europe ic Electronics co.,ltd. H21B4 See all 2 items FAIRCHILD H21B4 datasheet DIP 30000 2011 2019-04-10
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H21B4 inquiry
European Union IC Industry Co. H21B4 N/A H21B4 datasheet RohsAndNew 121000 2016 Email.To.Us 2020-07-13
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H21B4 inquiry
X-PARTS Co ,Ltd H21B4 H21B4 datasheet 1100 2015-06-29
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JLTRONIC H21B4 H21B4 datasheet 85 2016-05-08
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H21B4 inquiry
InMeiLe Technology H21B4 See all 3 items H21B4 datasheet IN STOCK 25561 15+ new & original 2022-10-15
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MIL-GRADE SEMICONDUCTORS PTE. LTD H21B4 FAIRCHIL H21B4 datasheet DIP 22180 NEWD/C OWNSTOCK 2026-05-09
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H21B4 inquiry
Mujistu Electronic Pte Ltd. H21B4 FAIRCHIL H21B4 datasheet DIP 21309 10+ STOCK 2026-05-09
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Microtranik+Components H21B4 Distributor H21B4 datasheet for more pls inquire us now 130750 19+ New instock - high quality 2023-11-28
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H21B4 inquiry
Nagano Chip Land H21B4 H21B4 datasheet 3500 2020-07-03
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H21B4 inquiry
NewChip Enterprises Pte, Ltd. H21B4 FAIRCHIL H21B4 datasheet DIP 22190 10+ STOCK 2026-05-09
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Semilex Electronics Direct [ info@semi-lex.com ] H21B4 ON H21B4 datasheet SENSOR OPT SLOT DARL PC PINS 122308 2020+ Can ship immediately 2026-09-29
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NOVOT Electronics Trading Co., LTD. H21B4 FAIRCHIL H21B4 datasheet DIP 21630 NEW+ STOCK 2026-05-09
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PALMARY ELECTRONICS CO.,LTD H21B4 FAIRCHILD H21B4 datasheet DIP 1000 10+ in stock 2023-11-28
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Unitronix Electronics Inc. [sales@unitronix-e.com] H21B4 ON H21B4 datasheet SENSOR OPT SLOT DARL PC PINS 58350 2020+ HOT SALES 2026-01-06
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H21B4 inquiry
pulkey electronics ( HK ) co.,ltd H21B4 H21B4 datasheet 789465 13+ stock 2026-04-03
Inquiry
H21B4 inquiry
SANKEY SHARE CO.,LIMITED H21B4 H21B4 datasheet 789465 13+ stock 2020-04-08
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H21B4 inquiry
Unitronix Electronics Limited H21B4 Fairchild H21B4 datasheet SENSOR OPTO SLOT 3MM DARL THRU 57109 1516+ RoHS,HOT SALE !!! 2023-10-23
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H21B4 inquiry
RightOne Electronics Trading Co., Ltd. H21B4 FAIRCHILD H21B4 datasheet DIP 85319 NEWD/C STOCK 2026-05-09
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MEGA IC ELECTRONICS.CO.LTD H21B4 See all 2 items FC H21B4 datasheet 22677 14+ New & Original 2022-12-10
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SANKEY SHARE CO.,LTD H21B4 FAIRCHIL H21B4 datasheet DIP4 1557 10+ stock 2026-04-03
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sanyinic electronics ( h k ) co.,ltd H21B4 H21B4 datasheet 789465 13+ stock 2026-03-15
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SEMILOOK TECH. CO., LTD. H21B4 FAIRCHIL H21B4 datasheet DIP 21265 NEW+ STOCK 2026-05-09
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SEMITONE CO.,LTD. H21B4 FAIRCHIL H21B4 datasheet DIP 22680 NEW+ STOCK 2021-12-27
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H21B4 inquiry
Eurotronik Components GmbH H21B4 Fairchild H21B4 datasheet PCB Mount 2650 11+ STOCK 2017-07-29
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General Electronics Inc. H21B4 See all 2 items Fairchild H21B4 datasheet PCB Mount 13599 12+ in stock,RoHS,original 2016-11-03
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SINLIN Electronics H21B4 See all 2 items Fairchild H21B4 datasheet PCB Mount 9000 12+ call,60mins feedback 2022-09-09
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SINLIN ELECTRONICS LIMITED Authorized Distributor H21B4 See all 2 items Fairchild H21B4 datasheet PCB Mount 9000 12+ call,60mins feedback 2018-09-07
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Starkey Technology (H.K) Co.,Ltd H21B4 H21B4 datasheet 789465 13+ stock 2026-03-15
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SUN EUROPE COMPONENT LTD H21B4 photo-electric switch H21B4 datasheet DIP 10000 FAIRCHILD new and original. 2015-09-25
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SUNMOON MICRO-ELECTRONICS CO., LTD. H21B4 FAIRCHIL H21B4 datasheet DIP 24869 NEW+ STOCK 2026-05-09
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H21B4 inquiry
Sunway Components Co., Ltd. H21B4 FAIRCHILD H21B4 datasheet DIP 84698 NEWD/C STOCK 2026-05-09
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H21B4 inquiry
MSM Company LTD. H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2017-11-03
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Topic Electronics Co.,Ltd H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2020-08-24
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H21B4 inquiry
TPC Global Service Co.Ltd. H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2021-01-03
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TAIKE Compoents Enterprise H21B4 FAIRCHIL H21B4 datasheet DIP 21939 NEW+ STOCK 2026-05-09
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abc株式会社 H21B4 H21B4 datasheet 815 2025-12-18
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Microtranik_Components.,Inc H21B4 Distributor H21B4 datasheet for more pls inquire us now 172890 17+ original instock,best quality 2026-09-29
Inquiry
H21B4 inquiry
TIMICOMM ELECTRONICS LIMITED [sales@timicomm.com] H21B4 See all 2 items Fairchild H21B4 datasheet SENSOR OPTO SLOT 3MM DARL THRU 39454 NEW RoHS Deliver Now 2025-11-02
Inquiry
H21B4 inquiry
UnitronixElectronics H21B4 See all 2 items Fairchild H21B4 datasheet SENSOR OPTO SLOT 3MM DARL THRU 57109 1516+ RoHS,HOT SALE !!! 2025-08-12
Inquiry
H21B4 inquiry
TRIPLE TECHNOLOGY COMPONENTS LIMITED H21B4 H21B4 datasheet 1000 2013-12-05
Inquiry
H21B4 inquiry
UWIN COMPONENTS TRADING (HK) CO., LTD. H21B4 FAIRCHILD H21B4 datasheet DIP 89309 NEW+ STOCK 2026-05-09
Inquiry
H21B4 inquiry
Wealth Link International H21B4 H21B4 datasheet N/A 1100 2015-03-23
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LEOSNA IC TRADING CO. H21B4 Texas H21B4 datasheet NEW & Original Parts 86820 19+RoHS Stock On Hand, Respond quickl 2023-08-14
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WIGE(HK)ELECTRONICS CO.,LTD H21B4 See all 3 items H21B4 datasheet IN STOCK 25561 15+ new & original 2018-03-22
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WorldLinkPartscomponentsDe H21B4 FAIRCHILD/ H21B4 datasheet DIP-4 2653 21+ 2026-08-20
Inquiry
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Pairui International Co.Ltd H21B4 Fairchild Semiconductor H21B4 datasheet PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH 6200 2011+ in stock 2020-08-11
Inquiry
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ENKAITE Technology Limited Violet888@foxmail.com H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 2017+ New & Original parts and in ou 2019-03-05
Inquiry
H21B4 inquiry
XINXING(HK) ELECTRONICS CO.,LTD H21B4 See all 2 items FC H21B4 datasheet 7677 16+ New & Original 2019-03-05
Inquiry
H21B4 inquiry
雅格電子株式会社 H21B4 See all 2 items H21B4 datasheet ROSH 9875 14+ new & original 2021-03-25
Inquiry
H21B4 inquiry
Yiner(Shenzhen)Electronics Co., Ltd. H21B4 FAIRCHILD H21B4 datasheet DIP4 959500 15+ 959500 2017-06-10
Inquiry
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SIMEN Electronics Co.,Ltd H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2018-10-29
Inquiry
H21B4 inquiry
FESTO Pneumatic Components H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2017-06-22
Inquiry
H21B4 inquiry
ATM Electronics solution Co.,Ltd H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 15+ New parts and Stock on hand 2017-08-21
Inquiry
H21B4 inquiry
Electronics & Semiconductor H21B4 FAIRCHILD H21B4 datasheet DIP New & Original parts 1000 2016+ New & Original parts and in ou 2016-09-20
Inquiry
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1
H21B4 Datasheet
Mfg Part # Datasheet Description
logo
QT Optoelectronics
H21B4 QT-H21B4 Datasheet
307Kb/4P
   SLOTTED OPTICAL SWITCH
logo
Fairchild Semicondu...
H21B4 FAIRCHILD-H21B4 Datasheet
373Kb/6P
   PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH