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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：±10%
- 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 1EZ170D10/TR12 is a single Zener diode manufactured by Microsemi Corporation. It features a nominal Zener voltage of 170 V with a tolerance of ±10%. The device is rated for a maximum power dissipation of 1 W and operates within a temperature range of -65°C to +150°C. It utilizes a DO-204AL (DO-41) axial through-hole package and is supplied in tape and reel packaging.
Feature Summary
- Provides stable voltage regulation at 170 V with high precision tolerance
- Capable of handling 1 W power dissipation for robust performance
- Designed for wide operating temperature environments up to 150°C
Applications
- Voltage reference circuits requiring 170 V stability
- Overvoltage protection in industrial electronics
- Clamping applications in high-voltage signal paths
Procurement Notes
Verify the specific suffix TR12 indicates tape and reel packaging configuration. Confirm RoHS compliance status as historical data may vary. Ensure the DO-204AL package dimensions match your PCB layout requirements. Check current availability as this component type may have limited stock or end-of-life implications depending on the manufacturer's production schedule.
Selection Notes
Select this component when a precise 170 V Zener breakdown is required. The ±10% tolerance suits applications where tight regulation is not critical but cost-effective bulk supply is needed. The 1 W rating allows for moderate current handling. Consider the axial lead format for through-hole mounting constraints.
Part Context
This part belongs to the Microsemi 1EZ series of single Zener diodes. These components are designed for general-purpose voltage regulation and protection. The series offers various voltage ratings in the DO-204AL package, providing a standardized solution for discrete semiconductor needs in consumer and industrial markets.
Replacement Considerations
Direct substitutes must match the 170 V Zener voltage, 1 W power rating, and DO-204AL package. Verify electrical characteristics such as impedance and leakage current against original specifications before substitution.
