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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 1EZ170D10/TR8 is a single Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 170 V with a tolerance of ±10%. The device has a maximum power dissipation of 1 W and operates within a temperature range of -65°C to +150°C. It utilizes the DO-204AL (DO-41) axial through-hole package. Key electrical characteristics include a reverse leakage current of 500 nA at 129.2 V and a forward voltage drop of 1.2 V at 200 mA.
Feature Summary
- Provides stable voltage regulation in high-voltage circuits
- Capable of operation across an extended industrial temperature range
- Utilizes a standard axial leaded package for through-hole mounting
Applications
- Voltage reference circuits
- Overvoltage protection systems
- Power supply regulation
Procurement Notes
Verify component authenticity due to discontinued status. Confirm RoHS compliance requirements as original specifications may not meet current environmental standards. Validate package dimensions against PCB layout constraints. Ensure thermal management aligns with 1 W power dissipation limits during procurement planning.
Selection Notes
Select this component when a 170 V Zener voltage with 10% tolerance is required. Consider the 1 W power rating and DO-204AL package size for compatibility. Evaluate operating temperature needs against the -65°C to +150°C range. Compare leakage current specifications for precision requirements.
Part Context
This part belongs to the Microsemi 1EZ series of Zener diodes, which are silicon junction devices intended for general-purpose voltage regulation. The series offers various voltage ratings and power dissipation levels in standardized packages like DO-204AL. These components are widely used in electronic circuits requiring reliable voltage clamping or reference points.
Replacement Considerations
Check for equivalent Zener diodes with matching 170 V nominal voltage, 1 W power rating, and ±10% tolerance. Verify package compatibility with DO-204AL dimensions. Review manufacturer datasheets for electrical parameter equivalence before substitution.
