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1N4739AP-TP
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Product Detailed Parameters
- Description：DIODE ZENER 9.1V 1W DO41
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：5 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 7 V
- Operating Temperature：-65°C ~ 150°C (TJ)
- 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 1N4739AP-TP is a single silicon Zener diode manufactured by Micro Commercial Components. It provides a nominal Zener voltage of 9.1 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 1 W and operates in the through-hole DO-41 axial package. Key electrical characteristics include a maximum reverse leakage current of 10 µA at 7 V, a forward voltage of 1.2 V at 200 mA, and a Zener impedance of 5 Ohms. The component supports a junction temperature range up to 150°C.
Feature Summary
- Provides stable voltage regulation via Zener breakdown mechanism
- Designed for through-hole mounting in standard DO-41 axial leaded packages
- Constructed from silicon material for reliable unidirectional operation
Applications
- General-purpose voltage reference circuits
- Overvoltage protection stages
- Power supply output regulation
Procurement Notes
Verify the specific suffix AP against the original design specification to ensure compatibility with existing board layouts and thermal constraints. Confirm that the manufacturer's current production status aligns with long-term availability requirements before finalizing procurement plans.
Selection Notes
Select this component when a 9.1 V regulation point is required within a 1 W power budget. Ensure the application circuit can accommodate the specified 5 Ohm dynamic impedance and that the operating environment remains within the defined thermal limits for the DO-41 package.
Part Context
This part belongs to the 1N4739 series of Zener diodes produced by MCC. It serves as a standardized replacement for generic 1N4739A specifications, offering consistent performance metrics for discrete semiconductor applications requiring precise voltage clamping or referencing in electronic assemblies.
Replacement Considerations
The 1N4739A-TP is identified as an obsolete predecessor. The 1N4739AP-TP serves as the active substitute within the MCC portfolio, maintaining identical electrical parameters while updating manufacturing processes.
