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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 Microsemi Corporation 1EZ170D10E3/TR8 is a silicon unidirectional Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 170V with a tolerance of ±10%. The device has a maximum power dissipation rating of 1W and utilizes the DO-204AL (DO-41) axial leaded plastic package. This component complies with RoHS standards, indicating it is lead-free.
Feature Summary
- Provides stable voltage regulation within specified limits using silicon junction technology.
- Encapsulated in a durable plastic DO-41 axial leaded package suitable for through-hole mounting.
- Manufactured as a lead-free component compliant with environmental directives.
Applications
- Voltage reference circuits
- Overvoltage protection stages
- General-purpose voltage regulation
Procurement Notes
Verify the specific suffix 'TR8' to confirm tape-and-reel packaging requirements against your assembly line specifications. Ensure the manufacturer designation aligns with current Microchip or Microsemi sourcing channels, as corporate structures may affect part identification. Confirm RoHS compliance status directly with the supplier documentation prior to procurement.
Selection Notes
Select this component when a 170V regulation point is required with moderate precision. The 1W power rating dictates thermal management considerations for continuous operation. Verify that the axial leaded form factor fits the printed circuit board layout constraints compared to surface mount alternatives.
Part Context
This part belongs to the 1EZ series of 1-watt Zener diodes produced by Microsemi. The series offers various voltage options in the DO-41 package. The 'E3' suffix typically denotes lead-free composition, while 'TR8' indicates reel packaging configuration for automated insertion.
Replacement Considerations
Cross-reference with other 170V 1W Zener diodes in the DO-41 package from compatible manufacturers. Verify electrical parameters such as impedance and leakage current match the original design requirements before substitution.
