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1N4729A-T
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Product Detailed Parameters
- Description：DIODE ZENER 3.6V 1W DO41
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：3.6 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：400 Ohms
- Current - Reverse Leakage @ Vr：100 µA @ 1 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Diodes Incorporated 1N4729A-T is a 1.0 Watt Zener diode with a nominal voltage of 3.6V and a standard tolerance of 5%. It operates within a temperature range of -65°C to +175°C and features a DO-41 glass package. The device has a maximum reverse leakage current of 100 µA at 1.0V, a Zener impedance of 10 Ohms at the test current of 69 mA, and a thermal resistance of 175 °C/W.
Feature Summary
- Hermetically sealed glass construction for environmental stability
- Lead-free finish compliant with RoHS directives
- Standardized voltage tolerance for consistent regulation
Applications
- Voltage stabilization circuits
- Clipping applications
- Reference voltage generation
Procurement Notes
Verify component authenticity through official manufacturer channels or authorized distributors. Confirm that the specific ordering suffix matches the required packaging configuration. Ensure compliance with relevant regulatory standards applicable to your region before finalizing procurement decisions.
Selection Notes
Select this component for designs requiring a 3.6V reference in a through-hole glass package. Consider the power derating requirements above 50°C when determining operating conditions. Verify that the thermal resistance characteristics align with the system's heat dissipation capabilities.
Part Context
This part belongs to the 1N4728A through 1N4761A series of 1.0 Watt Zener diodes. The series offers a wide selection of nominal voltages ranging from 3.3V to 75V. All devices share the same DO-41 glass case and mechanical specifications.
Replacement Considerations
Diodes Incorporated recommends using the DFLZxx series for new designs as this product is not recommended for new design.
FAQ
What is the maximum surge current rating?
The maximum surge current (8.3ms) is 1260 mA.
How is polarity indicated on the package?
Polarity is indicated by a cathode band on the glass case.
