The 1279449-SMZJ3803B-E3/52 is a Zener diode from Win Source Electronics, designed for voltage regulation in various applications. It features a nominal Zener voltage of 39 V and a maximum reverse leakage current of 5 ¬µA at 29.7 V. The diode has a maximum power dissipation of 1.5 W and operates within a temperature range of -55 ¬8C to +150 ¬8C. It is housed in a DO-214AA (SMB) package, suitable for surface mount technology, and is compliant with RoHS standards. The device exhibits a maximum Zener impedance of 45 Ohms, making it suitable for applications requiring stable voltage regulation. The product is available in tape and reel packaging, with a standard quantity of 750 units per reel, facilitating automated assembly processes.
Win Source Part Number: 1279449-SMZJ3803B-E3
Category: Discrete Semiconductor Products>Diodes - Zener - Single
Package: Tape & Reel (TR)
Standard Package: 750
Mounting: SMD (SMT)
Tolerance: ±5%
Power - Max: 1.5 W
Current - Reverse Leakage @ Vr: 5 µA @ 29.7 V
Voltage - Zener (Nom) (Vz): 39 V
Impedance (Max) (Zzt): 45 Ohms
Package / Case: DO-214AA, SMB
Supplier Device Package: DO-214AA (SMBJ)
Temperature Range - Operating: -55°C ~ 150°C
ECCN: EAR99
Fake Threat In the Open Market: 80 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8541.10.0050
Mfr: Vishay General Semiconductor - Diodes Division
Base Product Number: SMZJ3803
DIODE ZENER 39V 1.5W DO214AA Product overview: SMZJ3803B-E3/52 from Vishay is a Zener Diode for voltage regulation, reference clamping, overvoltage protection, and compact board-level circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Zener, 39V, 1.5W. Search-friendly keywords include Zener diode, voltage reference, clamp, regulation, Zener, 39V, 1.5W, Single Zener Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 287-SMZJ3803B-E3/52 can be used for catalog matching and distributor lookup.
Zener Diode 39V 1.5W ±5% Surface Mount DO-214AA (SMBJ)
DIODE ZENER 39V 1.5W DO214AA
Zener Diodes 39 Volt 1.5W 5%
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|
| Product Category | Zener Diodes | Zener Diodes | Diodes | Zener Diodes | Zener Diodes |
| Product Number | 1279449-SMZJ3803B-E3/52 | 287-SMZJ3803B-E3/52 | SMZJ3803B-E3/52-ND | SMZJ3803B-E3/52 | SMZJ3803B-E3/52 |
| Product Name | Discrete Semiconductor Products - Diodes - Zener - Single | 39V 1.5W Zener Diode | Single Zener Diodes | Discrete Semiconductor Products - Diodes - Zener | Zener Diodes |
| Package | DO-214AA, SMB | Tape and Reel | DO-214AA (SMBJ); SMB | DO-214AA-2 | |
| VZ | 39 volts | 39 volts | 39 volts | ||
| ZZT | 45 ohms | 45 ohms | 45 ohms | ||
| IR | 0.0050 mA | 5 mA |
