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Product Detailed Parameters
- Description：DIODE ZENER 52V 10W DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：52 V
- Tolerance：±5%
- Power - Max：10 W
- Impedance (Max) (Zzt)：15 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 39 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Chassis, 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 1N2998B is a 10-watt Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 150 V with a tolerance of ±5%. The device operates within a temperature range of -65°C to +175°C and utilizes a DO-4 (DO-203AA) axial leaded package. Key electrical characteristics include a maximum reverse leakage current of 1 µA at 135 V, a maximum Zener impedance of 10 Ohms, and a forward voltage drop of 1.5 V at 2 A.
Feature Summary
- Provides stable voltage regulation in the high-voltage range up to 200 V
- Capable of dissipating 10 watts of power for robust performance
- Qualified for JAN, JANTX, and JANTXV levels per MIL-PRF-19500/124
Applications
- High-voltage power supply regulation
- Overvoltage protection circuits
- Reference voltage generation in industrial equipment
Procurement Notes
Verify the specific qualification level (JAN, JANTX, or JANTXV) required for your application, as availability varies by grade. Confirm that the DO-4 through-hole package aligns with your PCB layout constraints. Ensure thermal management strategies are adequate for 10W dissipation. Cross-reference datasheets to confirm exact leakage and impedance limits for the selected batch.
Selection Notes
Select this component when a 150 V regulation point is needed with high power handling capabilities. Consider the wide operating temperature range for harsh environments. Evaluate the axial leaded form factor against space limitations. Compare leakage specifications against sensitive circuit requirements to ensure compatibility with low-current designs.
Part Context
The 1N2998B belongs to the 1N2970B through 1N3015B series of 10-watt Zener diodes manufactured by Microchip Technology. This series covers voltage values between 3.9 V and 200 V. These components are JEDEC registered and often utilized in military and aerospace applications due to their rigorous qualification standards under MIL-PRF-19500/124.
Replacement Considerations
Compatible substitutes include other 10W Zener diodes with a 150 V rating and DO-4 package, such as those from ON Semiconductor or Vishay. Verify that replacement parts meet the same MIL-PRF-19500/124 qualification levels if environmental ruggedness is critical.
