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Product Detailed Parameters
- Description：DIODE ZENER 170V 1W DO204AL
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：170 V
- Tolerance：±2%
- Power - Max：1 W
- Impedance (Max) (Zzt)：1450 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 130.4 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
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Overview
The Microsemi Corporation 1EZ170D2/TR8 is a single Zener diode designed for through-hole mounting in the DO-204AL (DO-41) axial package. It features a standard Zener voltage of 170 V with a tolerance of ±2% and a maximum power dissipation of 1 W. The device operates within a temperature range of -65°C to +150°C and has a reverse leakage current of 500 nA at 114 V. The forward voltage is 1.2 V at 200 mA. This component is classified as obsolete.
Feature Summary
- Provides precise voltage regulation with a tight ±2% tolerance
- Capable of handling high operating temperatures up to 150°C
- Utilizes a robust axial leaded package for reliable through-hole integration
Applications
- Voltage reference circuits requiring stable high-voltage levels
- Overvoltage protection stages in industrial equipment
- Power supply regulation modules
Procurement Notes
Verify component authenticity due to obsolete status. Confirm RoHS compliance requirements as the part does not meet current standards. Check for available surplus stock from authorized distributors or verify approved replacement components before finalizing procurement plans.
Selection Notes
Select this component when a specific 170 V Zener voltage with high precision is required. Ensure the circuit design accommodates the 1 W power rating and axial package constraints. Consider thermal management strategies given the wide operating temperature range and potential heat dissipation needs in enclosed environments.
Part Context
This part belongs to the Microsemi single Zener diode family, characterized by axial leaded construction. It shares the DO-204AL package form factor with other variants in the series but is distinguished by its specific 170 V breakdown voltage and ±2% tolerance class, targeting applications demanding strict voltage stability.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the source material. Verify equivalent specifications with alternative manufacturers if direct sourcing is unavailable.
