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Product Detailed Parameters
- Description：DIODE ZENER 11V 10W DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：11 V
- Tolerance：±5%
- Power - Max：10 W
- Impedance (Max) (Zzt)：3 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 8.4 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 1N2975RB is a high-reliability silicon Zener diode designed for stud-mount applications. It provides an 11V nominal regulation voltage with a 5% tolerance and supports up to 10W power dissipation. The device features a dynamic impedance of 3 Ohms and operates within a temperature range of -65°C to +175°C. Constructed in a hermetically sealed metal DO-4 package, it meets MIL-PRF-19500/124 standards for military qualification grades.
Feature Summary
- Hermetically sealed welded construction ensuring environmental durability
- Internal solder bond design for enhanced mechanical stability
- Qualified per MIL-PRF-19500/124 military reliability standards
Applications
- Military-grade voltage regulation circuits
- High-reliability industrial power supplies
- Aerospace electronic systems requiring stud-mount components
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to confirm exact electrical tolerances and qualification grade. Confirm RoHS compliance status as historical military parts may differ from modern commercial equivalents. Request official documentation directly from Microchip or authorized distributors to validate authenticity and traceability before procurement.
Selection Notes
Select this component when a robust, stud-mounted Zener diode is required for high-power dissipation environments. Ensure the circuit design accommodates the DO-4 package dimensions and thermal requirements. Verify that the 11V regulation point aligns with system voltage needs and that the 10W power rating exceeds maximum expected load conditions under all operating temperatures.
Part Context
This part belongs to the 1N2975 series of 10W Zener diodes manufactured by Microchip Technology. The series covers various voltage values between 3.9V and 200V. The 1N2975RB specifically denotes the 11V variant within this high-power, hermetically sealed product line intended for demanding operational scenarios.
Replacement Considerations
Equivalent parts include the Central Semiconductor 1N2975RBLEADFREE and ECLIPTEK 1N2975RBE3. These alternatives share identical electrical specifications and DO-4 packaging but may vary in specific manufacturing origins or minor compliance certifications.
