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Product Detailed Parameters
- Description：DIODE ZENER 75V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：75 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：45 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 54 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：T-18, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The Microsemi Corporation 1N5374BE3/TR8 is a silicon Zener diode with a nominal voltage of 75 V and a power dissipation rating of 5.0 W at 25 °C. It features a ±5% tolerance, indicated by the B suffix, and operates within a temperature range of -65 °C to +150 °C. The device utilizes an axial-lead T-18 package with RoHS-compliant tin plating (e3 suffix) and is supplied in tape and reel packaging (TR suffix).
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range.
- Features flexible axial-lead mounting terminals for through-hole applications.
- Withstands high surge stresses and exhibits minimal changes in voltage versus current.
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B, requiring no dry pack.
Applications
- Voltage regulation circuits
- Surge protection applications
- Reference voltage sources
Procurement Notes
Verify that the ordering suffixes match specific requirements: 'e3' indicates RoHS compliance, while 'TR' specifies tape and reel packaging. Confirm the B suffix corresponds to the required ±5% voltage tolerance. Ensure the component meets JEDEC registration standards for the 1N5333 to 1N5388B series before procurement.
Selection Notes
Select this component when a 75 V Zener voltage with 5 W power handling is required. The B suffix ensures a tight ±5% tolerance compared to standard or looser options. Consider the thermal resistance characteristics and derating curves if operating near maximum power limits or in high ambient temperatures.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V. The 1N5374 variant specifically targets the 75 V regulation requirement within this established product family.
Replacement Considerations
Surface mount equivalents are available as SMBJ5374 or SMBG5374. Military screening levels can be obtained by adding MQ, MX, or MV prefixes to the base part number.
