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1N4738AP-TP
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Product Detailed Parameters
- Description：DIODE ZENER 8.2V 1W DO41
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：8.2 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：4.5 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 6 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 MCC 1N4738AP-TP is a 1.0-watt Zener diode designed for voltage regulation applications. It features an 8.2-volt nominal Zener voltage with a standard 5% tolerance. The component utilizes a plastic encapsulated DO-41 axial leaded package, suitable for through-hole mounting. It operates within a temperature range of -65°C to +200°C and is classified as moisture sensitivity level 1, requiring no dry pack storage.
Feature Summary
- Provides stable voltage regulation at 8.2 volts with 5% tolerance
- Utilizes plastic encapsulation for lower thermal resistance compared to glass-body options
- Supports high operating temperatures up to 200°C
- Classified as Level 1 moisture sensitivity without dry pack requirements
Applications
- Voltage regulation in power supply circuits
- Reference voltage generation in electronic systems
- Overvoltage protection in low-power applications
Procurement Notes
Verify the specific suffix AP against manufacturer datasheets to confirm tolerance and screening levels. Ensure the DO-41 package dimensions match the target PCB layout. Confirm RoHS compliance status through official documentation before integration into regulated assemblies.
Selection Notes
Select this component when a standard 8.2V regulation point is required in a through-hole configuration. The plastic package offers thermal advantages over glass variants. Verify that the 1W power dissipation rating meets the circuit's thermal management requirements under maximum load conditions.
Part Context
This part belongs to the 1N47 series of 1-watt Zener diodes manufactured by Micro Commercial Components. The series covers a wide voltage range from 3.3V to 100V. The AP suffix typically denotes specific tolerance or testing criteria within the standard JEDEC numbering system for these plastic-encapsulated devices.
Replacement Considerations
Cross-reference with other manufacturers' 1N4738A equivalents. Verify pinout compatibility and thermal resistance characteristics. Ensure replacement parts meet the same 5% voltage tolerance and 1W power rating specifications.
