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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 1EZ170D10E3/TR12 is a single Zener diode manufactured by Microsemi Corporation. It features a nominal Zener voltage of 170 V with a power dissipation rating of 1 W. The device exhibits a tolerance of ±10% and operates within a temperature range of -65°C to 150°C. It utilizes a DO-204AL (DO-41) axial through-hole package. Key electrical characteristics include a maximum reverse leakage current of 500 nA at 91.2 V and a forward voltage drop of 1.2 V at 200 mA.
Feature Summary
- Provides stable voltage regulation in the high-voltage range via Zener breakdown mechanism
- Capable of operation across an extended industrial temperature spectrum
- Constructed with silicon material for reliable unidirectional performance
Applications
- Voltage reference circuits requiring high stability
- Overvoltage protection stages in electronic systems
- General-purpose voltage regulation tasks
Procurement Notes
Verify the specific suffix E3 confirms RoHS compliance status as per manufacturer documentation. Confirm the TR12 designation indicates tape and reel packaging format. Ensure the DO-41 axial leaded package matches the target PCB layout requirements. Cross-reference the part number with official Microsemi databases to confirm current production status and availability.
Selection Notes
Select this component when a 170 V Zener voltage with 10% tolerance is required. The 1 W power rating suits applications needing moderate power handling in a standard axial package. Consider the wide operating temperature range for harsh environments. Verify that the through-hole mounting method aligns with the assembly process.
Part Context
This part belongs to the Microsemi 1EZ series of axial-leaded Zener diodes. These components are designed for general-purpose voltage regulation and protection. The series offers various voltage options within a standardized DO-41 plastic package, providing a consistent form factor for designers integrating discrete semiconductor solutions into larger assemblies.
Replacement Considerations
Consult official Microsemi documentation for verified cross-references or military equivalents. Generic substitutes may not match the specific tolerance or thermal characteristics.
