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Product Detailed Parameters
- Description：DIODE ZENER 13V 10W DO4
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：13 V
- Tolerance：±5%
- Power - Max：10 W
- Impedance (Max) (Zzt)：3 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 9.9 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Stud Mount
- Package / Case：DO-203AA, DO-4, Stud
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 2 A
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N2977BE3 is a 10W Zener diode with a nominal voltage of 13V. It operates within a junction temperature range of -65°C to +175°C and features a maximum dynamic impedance of 3 Ohms at the test current of 190mA. The device has a maximum DC Zener current of 750mA at 25°C and a thermal resistance of 12°C/W. It utilizes a DO-4 (DO-213AA) package with an anode-to-stud polarity configuration.
Feature Summary
- Hermetically sealed welded metal and glass construction for durability
- Internal solder bond design for mechanical stability
- Qualified per MIL-PRF-19500/124 military standards
- Inherently radiation hard
Applications
- Voltage regulation over broad current and temperature ranges
- Military and aerospace electronic systems
- High-reliability power supply circuits
Procurement Notes
Verify that the specific part number includes the 'e3' suffix, which indicates RoHS compliance for commercial grade devices only. Confirm the required reliability level (JAN, JANTX, or JANTXV) matches the application's environmental specifications. Ensure the standard anode-to-stud polarity aligns with the circuit design requirements before ordering.
Selection Notes
Select this component when a 10W power rating and 13V regulation are required in a ruggedized stud-mount package. Consider the positive temperature coefficient of approximately +0.080%/°C for thermal management. Evaluate the need for military qualification levels if operating in harsh environments requiring radiation hardness and hermetic sealing.
Part Context
This device belongs to the 1N2970B through 1N3015B series of 10W Zener diodes manufactured by Microsemi (now Microchip). These components are designed for high-power applications requiring stable voltage reference points. The series offers various voltage values from 3.9V to 200V in a standardized DO-4 package format suitable for stud mounting.
Replacement Considerations
Consult the manufacturer for surface mount equivalents. Verify compatibility with existing mounting hardware, as optional insulators, bushings, washers, and nuts may be required for proper installation.
