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Product Detailed Parameters
- Description：DIODE ZENER 68V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：68 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：44 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 49 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 Microchip Technology 1N5373BE3/TR13 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333B through 1N5388B series. It provides voltage regulation at a nominal Zener voltage of 68V with a ±5% tolerance, indicated by the 'B' suffix. The device operates within a temperature range of -65°C to +150°C and features a T-18 axial lead package. The 'e3' suffix denotes RoHS compliance, while the 'TR13' suffix indicates tape and reel packaging per EIA-296 standards.
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 voltage change versus current
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B requiring no dry pack
Applications
- Voltage regulation in power supply circuits
- Reference voltage sources in electronic systems
- Overvoltage protection components
Procurement Notes
Verify the specific part number against official manufacturer documentation to confirm the presence of all ordering suffixes. Ensure the 'e3' designation matches RoHS requirements and the 'TR13' suffix aligns with the required tape and reel packaging format. Confirm that the component meets the necessary JEDEC registration standards for the intended application.
Selection Notes
Select this component when a 68V Zener voltage with ±5% tolerance is required for through-hole assembly. Consider the 5.0-watt power dissipation capability and the wide operating temperature range of -65°C to +150°C. Verify thermal resistance requirements and ensure adequate heat sinking if operating near maximum DC currents.
Part Context
This component belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes manufactured by Microsemi (now Microchip Technology). The series offers a wide selection of voltages from 3.3V to 200V with various tolerance options identified by suffix letters. These plastic encapsulated devices are designed for high maximum DC currents with adequate heat sinking due to their low thermal resistance design.
Replacement Considerations
Surface mount equivalents are available as SMBJ5373B or SMBG5373B. Military screening levels can be obtained by adding MQ, MX, or MV prefixes to the base part number.
