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Product Detailed Parameters
- Description：JFET
- Series：*
- Mfr：Microchip Technology
- Package：Bulk
- FET Type：-
- Voltage - Breakdown (V(BR)GSS)：-
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：-
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：-
- Power - Max：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 2N5277 is a Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 160 V with a 5% tolerance, housed in a DO-35 axial through-hole package. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 1.7 kOhms, and a forward voltage of 1.5 V. The component exhibits a voltage temperature coefficient of 0.11 %/C.
Feature Summary
- Provides stable voltage regulation at high potential levels suitable for specialized circuit protection.
Applications
- High-voltage reference circuits requiring precise regulation.
Procurement Notes
Verify the specific suffix designation (e.g., B or A) against official datasheets, as variations exist within the 1N5277 family regarding tolerance and leakage specifications. Confirm RoHS compliance status directly with the manufacturer, as historical data indicates non-compliant variants may be available. Ensure the selected part matches the required package style and thermal ratings for the intended environment.
Selection Notes
Select this component when a 160 V Zener voltage is required in a standard axial leaded package. Consider the 1.7 kOhm impedance value for dynamic regulation requirements. Verify that the 500 mW power rating aligns with the expected operating current and ambient temperature conditions to ensure reliable performance without exceeding thermal limits.
Part Context
This component belongs to the 1N5277 series of Zener voltage regulators manufactured by Microchip Technology. It is functionally equivalent to the JEDEC registered 1N5277B specification. The device is part of a broader lineup of glass-passivated Zener diodes offering various voltage options in the DO-35 package format.
Replacement Considerations
The JAN1N5527B-1 is listed as a parametric equivalent in some distributor databases, though it specifies a 7.5 V Zener voltage which differs significantly from the 160 V rating of the 2N5277. Verify exact voltage and impedance parameters before substitution.
