| 공급 업체 | 부품 번호 |
MFG |
데이터 시트 |
부품 설명 |
Q'ty |
데이터 코드 |
위치 |
Reg 날짜 |
RFQ |
| AceElectronicTechco,.ltd. |
IR3891MTRPBF
|
IR |
|
QFN |
4 |
1407+ |
|
2025-07-18 |
문의
|
| ALL NEW SEMI Electronics Co., LIMITED |
IR3891MTRPBF
|
INFINEON |
|
QFN/SON/DFN |
2442 |
15+ |
|
2026-10-19 |
문의
|
| A-ONE Electronics Co., Ltd. |
IR3891MTRPBF
|
IR |
|
PQFN |
1115 |
NEW+ |
STOCK |
2026-05-09 |
문의
|
| Renxim Electronic Limited. [ sales@renxim.com ] |
IR3891MTRPBF
|
NEW |
|
Original package well |
87290 |
2016+ |
Globally & Immediately |
2026-01-06 |
문의
|
| RENXIM Electronics Co.,Ltd. |
IR3891MTRPBF
|
NEW |
|
Original package well |
87290 |
18+ |
Globally & Immediately |
2025-08-02 |
문의
|
| Asia Military Components Trading Co., Ltd. |
IR3891MTRPBF
|
INFINEON |
|
|
4870 |
NEW+ |
STOCK |
2026-05-09 |
문의
|
| Shenzhen Augswan Electronics Co., LTD. |
IR3891MTRPBF
|
Infineon |
|
Dual Output 4 A/Phase 1 to 21 V 1.5 MHz Synchronous Buck Regulator-PQF |
6928 |
21+ |
Stock |
2023-07-25 |
문의
|
| SHENZHEN BAQI IT CO., LTD. |
IR3891MTRPBF
|
IR |
|
PQFN |
500 |
11+ |
INSTOCK |
2026-05-09 |
문의
|
| Believe Technologies (Korea) |
IR3891MTRPBF
|
IR |
|
PQFN |
756 |
NEWD/C |
INSTOCK |
2019-12-30 |
문의
|
| SemiLex Electronics Inc. |
IR3891MTRPBF
|
IC |
|
NEW RoHS and More QTY |
58770 |
17+ |
STK,Prompt delivery |
2026-09-29 |
문의
|
| Bluesemi Tech. Co., Ltd. |
IR3891MTRPBF
|
IR |
|
PQFN |
1268 |
NEW+ |
STOCKNEW |
2026-05-09 |
문의
|
| Shenzhen Boshuo Technology Development Co., Ltd |
IR3891MTRPBF
|
IR |
|
QFN |
11731 |
2212+ |
|
2024-09-22 |
문의
|
| NegoICCo. |
IR3891MTRPBF
|
IR |
|
QFN |
10000 |
2022+ |
|
2026-08-21 |
문의
|
| Carder Components Enterprise |
IR3891MTRPBF
|
IR |
|
PQFN |
1500 |
NEWD/C |
STOCK |
2026-05-09 |
문의
|
| Saipu ELECTRONICS (HK) TECHNOLOGY LTD. |
IR3891MTRPBF
|
INFINEON |
|
|
2500 |
N/A |
|
2023-08-17 |
문의
|
| MicrotranikComponents,Inc |
IR3891MTRPBF
|
Distributor |
|
for more pls inquire us now |
182010 |
17+RoHS |
New instock, best quality |
2026-09-29 |
문의
|
| TIMICOMM Electronics [ info@timicomm.com ] |
IR3891MTRPBF
|
Infineon |
|
REG BCK ADJ 4A DL SYNC 31PQFN |
87500 |
2022+ |
NEW STOCK |
2026-01-06 |
문의
|
| ClicElectronicsCo.Limited |
IR3891MTRPBF
|
IR |
|
QFN |
11731 |
12+ |
|
2025-06-04 |
문의
|
| Semilex Distributor [ sales@semi-lex.com ] |
IR3891MTRPBF
|
Infineon |
|
REG BCK ADJ 4A DL SYNC 31PQFN |
123566 |
2019+ |
Can ship immediately |
2024-09-25 |
문의
|
| TAIWAN DBA INT’L CORPORATION LTD. |
IR3891MTRPBF
|
IR |
|
PQFN |
1050 |
NEWD/C |
STOCK |
2022-10-22 |
문의
|
| DEER SEMICONDUTOR HK CO.,LIMITED |
IR3891MTRPBF
|
IR |
|
QFN |
24 |
21+PB |
Stock |
2024-01-15 |
문의
|
| E-Chip Trading Co., Ltd. |
IR3891MTRPBF
|
IR |
|
PQFN |
865 |
NEWD/C |
STOCK |
2026-05-09 |
문의
|
| E-core Electronics CO. info@ecoreic.com |
IR3891MTRPBF
|
IR |
|
PQFN |
142 |
|
Stock |
2017-01-10 |
문의
|
| ePartronics |
IR3891MTRPBF
|
IR |
|
QFN |
2239 |
1207+ |
|
2025-07-25 |
문의
|
| Fastwell International Co., Ltd. |
IR3891MTRPBF
|
IR |
|
PQFN |
1290 |
NEWESTD/C+ |
STOCK |
2026-05-09 |
문의
|
| Forecast Electronics |
IR3891MTRPBF
|
IR |
|
|
3874 |
1405 |
|
2017-10-24 |
문의
|
| GREENTREE TECHNOLOGY CO., LTD. |
IR3891MTRPBF
|
IR |
|
PQFN |
2000 |
NEWD/C |
INSTOCK |
2026-05-09 |
문의
|
| HongDa Electronics Co.,Ltd |
IR3891MTRPBF
|
IR |
|
QFN |
50380 |
2016 |
In.USA.Stock |
2016-07-29 |
문의
|
| HongDaElectronicsCo.LTD |
IR3891MTRPBF
|
Infineon T |
|
IC REG BCK ADJ 4A DL SYNC 31PQFN |
45120 |
2022 |
In.USA.Stock |
2023-05-23 |
문의
|
| Transcrui Microcircuit Corporation |
IR3891MTRPBF
|
Infineon |
|
REG BCK ADJ 4A DL SYNC 31PQFN |
61679 |
2022+ |
Original instock,Rush delivery |
2024-09-23 |
문의
|
| Evatronix(HK) Electronics Trade Inc |
IR3891MTRPBF
|
Infineon |
|
REG BCK ADJ 4A DL SYNC 31PQFN |
28610 |
2020+ |
HOT SALES & GLOBAL |
2024-09-24 |
문의
|
| IC Agent Electronics Ins |
IR3891MTRPBF
|
INFINEON |
|
PQFN5x6 |
357 |
20+PB |
Pb-Free |
2022-10-29 |
문의
|
| ICHOME Industrial Co., Ltd. |
IR3891MTRPBF
|
INFINEON |
|
|
4255 |
NEW+ |
INSTOCK |
2026-05-09 |
문의
|
| JAK ELECTRONICS LIMITED |
IR3891MTRPBF
|
InfineonTe |
|
ICREGBCKADJ4ADLSYNC31PQFN |
14143 |
|
Stock |
2019-10-30 |
문의
|
| JieJie Electronics (HK) CO.,Ltd |
IR3891MTRPBF
|
IR |
|
QFN |
500 |
13+ |
Stock |
2018-08-07 |
문의
|
| JIECHUANGSEN TECHNOLOGY CO., LTD. |
IR3891MTRPBF
|
IR |
|
QFN |
12519 |
12+ |
INSTOCK |
2021-04-05 |
문의
|
| NJCompany |
IR3891MTRPBF
|
Infineon |
|
N/A |
688000 |
|
INSTOCK |
2025-11-18 |
문의
|
| CHINA KAIVO ELECTRONICS CO.,LTD |
IR3891MTRPBF
|
InfineonTe |
|
PQFN(5x6) |
18000 |
19+ |
|
2026-10-20 |
문의
|
| LENKEY ELECTRONICS (HK) CO.,LTD |
IR3891MTRPBF
|
InfineonTe |
|
PQFN(5x6) |
26600 |
2021+ |
|
2026-10-20 |
문의
|
| l-tronics |
IR3891MTRPBF
|
IR |
|
|
1142 |
|
|
2025-02-07 |
문의
|
| MIL-GRADE SEMICONDUCTORS PTE. LTD |
IR3891MTRPBF
|
INFINEON |
|
|
5170 |
NEWD/C |
OWNSTOCK |
2026-05-09 |
문의
|
| MKB International Tech. GmbH |
IR3891MTRPBF
|
IR |
|
PQFN |
1241 |
NEW+ |
INSTOCK |
2026-05-09 |
문의
|
| Microtranik+Components |
IR3891MTRPBF
|
Distributor |
|
for more pls inquire us now |
182010 |
19+ |
New instock - high quality |
2023-11-28 |
문의
|
| MY GROUP (ASIA) LIMITED |
IR3891MTRPBF
|
InfineonTe |
|
|
10000 |
|
|
2021-12-03 |
문의
|
| Semilex Electronics Direct [ info@semi-lex.com ] |
IR3891MTRPBF
|
Infineon |
|
REG BCK ADJ 4A DL SYNC 31PQFN |
123566 |
2020+ |
Can ship immediately |
2026-09-29 |
문의
|
| NOVOT Electronics Trading Co., LTD. |
IR3891MTRPBF
|
INFINEON |
|
|
4620 |
NEW+ |
STOCK |
2026-05-09 |
문의
|
| 合同会社エアテック |
IR3891MTRPBF
|
|
|
|
24 |
|
|
2022-11-21 |
문의
|
| Unitronix Electronics Inc. [sales@unitronix-e.com] |
IR3891MTRPBF
|
Infineon |
|
REG BCK ADJ 4A DL SYNC 31PQFN |
55640 |
2020+ |
HOT SALES |
2026-01-06 |
문의
|
| Hong Kong Ri Xin International Trading Company |
IR3891MTRPBF
|
IR |
|
QFN |
3874 |
Stock |
|
2019-06-07 |
문의
|
| SEMILOOK TECH. CO., LTD. |
IR3891MTRPBF
|
INFINEON |
|
|
4255 |
NEW+ |
STOCK |
2026-05-09 |
문의
|
| SEMITONE CO.,LTD. |
IR3891MTRPBF
|
INFINEON |
|
|
5670 |
NEW+ |
STOCK |
2021-12-27 |
문의
|
| Singapore Chiplead Enterprise Pte. Ltd. |
IR3891MTRPBF
|
IR |
|
PQFN |
911 |
NEW+ |
CARRYSTOCK |
2026-05-09 |
문의
|
| Shinechip International Co., Ltd. |
IR3891MTRPBF
|
IR |
|
QFN |
12519 |
12+ |
INSTOCK |
2017-03-20 |
문의
|
| Sin Source Ltd. |
IR3891MTRPBF
|
IR |
|
PQFN |
500 |
11+ |
STOCK |
2024-01-21 |
문의
|
| SUNTRONIC ELECTRONICS CO |
IR3891MTRPBF
|
IR |
|
QFN |
3874 |
2018 |
|
2019-07-12 |
문의
|
| TIANHAO INDUSTRIAL CO.,LIMITED |
IR3891MTRPBF
|
IR |
|
QFN |
100000 |
2021 |
|
2023-05-16 |
문의
|
| TOKYOSUPERDEVICECO.,LTD |
IR3891MTRPBF
|
IR |
|
|
108 |
1407+ |
|
2025-02-27 |
문의
|
| Hongkong Teng Yun Tai (International) co.,Limited |
IR3891MTRPBF
|
IR |
|
original |
24 |
1407+ |
|
2023-03-07 |
문의
|
| VENDOR COMPONENTS INC. |
IR3891MTRPBF
|
IR |
|
PQFN |
1370 |
NEW+ |
STOCK |
2026-05-09 |
문의
|
| LEOSNA IC TRADING CO. |
IR3891MTRPBF
|
Texas |
|
NEW & Original Parts |
62150 |
19+RoHS |
Stock On Hand, Respond quickl |
2023-08-14 |
문의
|
| Wintech Components Limited |
IR3891MTRPBF
|
IR |
|
QFN |
20000 |
2021+ |
INSTOCK |
2023-10-18 |
문의
|
| WorldLinkPartscomponentsDe |
IR3891MTRPBF
|
IR |
|
QFN |
11731 |
21+ |
|
2026-08-20 |
문의
|
| FEDERAL INDUSTRY CO. |
IR3891MTRPBF
|
Infineon |
|
|
56000 |
20+PB |
Pb-Free |
2026-10-20 |
문의
|
| YOLONG |
IR3891MTRPBF
|
Infineon |
|
ICREGBUCKADJ4ADLPQFN |
10000 |
2022 |
1week |
2022-11-28 |
문의
|
| YUFO Electronics Limited |
IR3891MTRPBF
|
IR |
|
QFN |
11731 |
12+ |
china-stock |
2023-11-08 |
문의
|
| YXS TECHNOLOGY CO.,LTD |
IR3891MTRPBF
|
InfineonTe |
|
AdjustableBuckSwitchingRegulatorICPositive0.5V2Output4A31-PowerVFQFNFo |
248350 |
22+ |
HongKong |
2022-12-16 |
문의
|
| Rong lian xing (hongkong) Technology Co., Ltd. |
IR3891MTRPBF
|
Infineon |
|
|
10000 |
|
Stock |
2021-10-21 |
문의
|
| NegoICCo. |
IR3891MTRPBF.
|
- |
|
NA |
10000 |
2022+ |
|
2026-08-21 |
문의
|
| ePartronics |
IR3891MTRPBF.
|
IR |
|
TO-220AB |
30200 |
15+ |
|
2025-07-25 |
문의
|
| HongKongTeyouHuichengElectroni |
IR3891MTRPBF.
|
IR |
|
QFN |
35600 |
22+ |
stock |
2026-03-19 |
문의
|