Today, there are about 40 major manufacturers of 1N4001 diodes, in the list we have provided a Datasheet from each in PDF format. You can download by clicking on the PDF icon.
The most common of them are PHILIPS NXP, YIXIN, Diotec Semiconductor, TGS, Diodes Incorporated, WINGS. All documentation below is relevant for the entire series of 1N400x diodes.
| Manufacturers | Names | |
|---|---|---|
 | UNIOHM [UNIOHM CORPORATION] |  |
 | SUNTAN [Suntan Capacitors] | |
 | HORNBY [Nantong Hornby Electronic Co.,Ltd] | |
 | CHENYI [Shanghai Lunsure Electronic Tech] | |
 | PANJIT [Pan Jit International Inc.] | |
 | EIC [EIC discrete Semiconductors] | |
 | YIXIN [Shenzhen Yixinwei Technology Co., Ltd.] | |
 | MAKOSEMI [MAKO SEMICONDUCTOR CO.,LIMITED] | |
 | DIODES [Diodes Incorporated] | |
 | NJSEMI [New Jersey Semi-Conductor Products, Inc.] | |
 | CHENDA [Microdiode Electronics (Jiangsu) Co.,Ltd.] | |
 | KEXIN [Guangdong Kexin Industrial Co.,Ltd] | |
 | DIOTEC [Diotec Semiconductor] | |
| ETC [List of Unclassifed Manufacturers] | | |
 | FORMOSA [Formosa MS] | |
 | CYSTEKEC [Cystech Electonics Corp.] | |
 | PHILIPS [NXP Semiconductors] | |
 | WILLAS [WILLAS ELECTRONIC CORP] | |
 | FCI [First Components International] | |
 | EDAL [Edal Industries, Inc.] | |
 | FRONTIER [Frontier Electronics.] | |
 | TSC [Taiwan Semiconductor Company, Ltd] | |
 | SEMIKRON [Semikron International] | |
 | CTC [Compact Technology Corp.]CTC | |
 | SURGE [Surge Components] | |
 | HY [HY ELECTRONIC CORP.] | |
 | SILAN [Silan Microelectronics Joint-stock] | |
 | BWTECH [Bruckewell Technology LTD] | |
 | DIGITRON [Digitron Semiconductors] | |
 | TGS [Tiger Electronic Co.,Ltd] | |
 | DAESAN [DAESAN ELECTRONIC CORP.] | |
 | TRSYS [Transys Electronics] | |
 | FAIRCHILD [Fairchild Semiconductor] | |
 | NTE [NTE Electronics] | |
 | MIC [MIC GROUP RECTIFIERS] | |
 | CHONGQING [Chongqing Pingwei Enterprise co.,Ltd] | |
 | FUJI [Fuji Electric] | |
 | GXELECTRONICS [Gaomi Xinghe Electronics Co., Ltd.] | |
 | WINGS [Wing Shing Computer Components] | |
 | CDIL [Continental Device India Limited] | |
Absolute Maximum Specs 1N4001 (Ta = 25oC unless specified otherwise)
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Non-Repetitive Peak Surge Current 8.3ms single half sine-wave superimposed on rated load | IFSM | 30 | A |
| Operating Junction Temperature | Tj | -55 to +125 | ºC |
| RMS Reverse Voltage | VR(RMS) | 35 | V |
| Average Rectified Current 0.375 ” lead length @ Ta=75ºC | IO | 1.0 | A |
| Non-Repetitive Peak Reverse Voltage (halfwave, single phase, 60Hz) | VRSM | 60 | V |
| Thermal Resistance from Junction to Ambient in free air | Rth (j-a) | 50 | ºC/W |
| StorageTemperature Range | Tstg | -55 to +150 | ºC |
| Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage | VRRM VRWM VR | 50 | V |
In the datasheet for the 1N4001 Diode you will find technical specifications, a complementary pair and all possible replacements.