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1N5525B
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Product Detailed Parameters
- Description：DIODE ZENER 6.2V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：6.2 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 5 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N5525B is a low voltage avalanche Zener diode rated at 0.5 W with a nominal breakdown voltage of 6.2 V and a ±5% tolerance. It operates within a junction temperature range of -65°C to +175°C, featuring a maximum reverse leakage current of 4.5 µA at 5 V and a dynamic impedance of 30 Ω at the test current of 1 mA. The device utilizes a hermetically sealed axial-lead glass DO-35 (DO-204AH) package.
Feature Summary
- Hermetically sealed axial-lead glass construction
- Low noise density performance
- Radiation hard design
- ESD insensitive per MIL-STD-750 Method 1020
Applications
- Voltage regulation over broad operating currents
- Precision reference circuits requiring low noise
- Harsh environment electronics
Procurement Notes
Verify that the specific part number matches the commercial grade designation without military suffixes like JAN or JANTX. Confirm RoHS compliance status if required for the application, as standard versions may differ from compliant variants. Ensure the ordering suffix aligns with the desired metallurgical bond option and tolerance level.
Selection Notes
Select this component when a stable 6.2 V reference is needed in a through-hole glass package. Consider the 30 Ω dynamic impedance and 4.5 µA leakage limits for circuit sensitivity. Verify thermal derating requirements against the 0.5 W steady-state power dissipation limit at elevated ambient temperatures.
Part Context
This device belongs to the 1N5518 thru 1N5546 series of 0.5 watt axial-leaded glass Zener Voltage Regulators. The series provides voltages from 3.3 to 33 volts with various tolerance options. The B suffix specifically denotes the standard ±5% voltage tolerance for this JEDEC registered type.
Replacement Considerations
Public confirmed substitute part numbers include 1N5525B/TR, 1N5525C, 1N5525C/TR, 1N5525D, 1N5525D/TR, and JANHCA1N5525B.
FAQ
What is the maximum DC regulator current?
The maximum DC regulator current is 61 mAdc.
How is the polarity indicated on the package?
Polarity is indicated by a band where the diode is operated with the banded end positive with respect to the opposite end for Zener regulation.
