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Product Detailed Parameters
- Description:DIODE ZENER 12.8V 400MW DO7
- Series:-
- Mfr:Microchip Technology
- Package:Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz):12.8 V
- Tolerance:±5%
- Power - Max:400 mW
- Impedance (Max) (Zzt):25 Ohms
- Current - Reverse Leakage @ Vr:-
- Operating Temperature:-25°C ~ 100°C
- Mounting Type:Through Hole
- Package / Case:DO-204AA, DO-7, Axial
- Voltage - Forward (Vf) (Max) @ If:-
- Grade:-
- Qualification:-
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Overview
The 1N4914/TR is a temperature-compensated Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 12.8 V with a tolerance of ±5%. The device has a maximum power dissipation of 400 mW and operates within a temperature range of -65°C to +175°C. It utilizes a DO-7 axial through-hole package and exhibits a low voltage temperature coefficient of 0.005 %/°C, ensuring stable regulation across wide thermal variations.
Feature Summary
- Temperature compensated design for enhanced stability
- Low voltage temperature coefficient
- Wide operating temperature range
Applications
- Precision voltage reference circuits
- Temperature-sensitive regulation applications
- Aerospace and defense electronics
Procurement Notes
Verify the specific suffix '/TR' indicates reel packaging when ordering. Confirm the manufacturer part number matches Microchip Technology specifications exactly. Ensure the required voltage tolerance and power ratings align with the circuit design constraints before finalizing procurement.
Selection Notes
Select this component when precise voltage regulation is required over extreme temperature ranges. The low temperature coefficient makes it suitable for high-reliability environments where standard Zener diodes may drift significantly. Verify package compatibility with existing PCB layouts.
Part Context
This component belongs to Microchip's discrete semiconductor portfolio, specifically within the Zener diode category. It is designed for applications requiring stable voltage references in harsh environments, leveraging the company's expertise in radiation-tolerant and high-reliability electronic components.
Replacement Considerations
Consult official Microchip documentation for verified cross-reference part numbers. Do not substitute with generic equivalents without verifying temperature coefficient and package dimensions.
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