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1N4756E3/TR13
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Product Detailed Parameters
- Description：DIODE ZENER 47V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 35.8 V
- Operating Temperature：-65°C ~ 150°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 Microchip Technology 1N4756E3/TR13 is a silicon 1.0-watt Zener diode in the 1N4728AP through 1N4764AP series, housed in a plastic DO-41 (DO-204AL) axial-lead package. It provides voltage regulation at a nominal Zener voltage of 47 volts with a standard tolerance of plus or minus 5%. The device features a maximum dynamic impedance of 80 ohms and a maximum reverse current of 5 microamperes. It operates within a temperature range of -65°C to +150°C and includes RoHS compliance indicated by the e3 suffix.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Features flexible axial-lead mounting terminals for through-hole applications
- Constructed with a void-free transfer molded thermosetting epoxy body meeting UL94V-0 standards
- Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020
Applications
- Voltage reference circuits requiring precise potential levels
- Overvoltage protection stages in power supply designs
- General-purpose voltage regulation tasks in electronic equipment
Procurement Notes
Verify that the ordering suffix TR13 corresponds to tape and reel packaging as specified in the datasheet. Confirm RoHS compliance status via the e3 suffix. Ensure the component meets specific military screening requirements if applicable, as these require distinct prefix identifiers not present in this standard part number.
Selection Notes
Select this component when a 47-volt regulation point is required with a 1-watt power dissipation capability. Consider the 5% voltage tolerance suitable for general applications. Evaluate thermal resistance characteristics for heat management in enclosed environments. Verify lead length requirements against board layout constraints.
Part Context
This part belongs to the JEDEC registered 1N4728A to 1N4764A series of silicon Zener diodes. The series offers extensive voltage selection from 3.3 to 100 volts. The plastic encapsulated variants provide lower thermal resistance compared to glass-body options. The e3 suffix denotes RoHS compliant devices available from the manufacturer.
Replacement Considerations
Surface mount equivalents such as SMAJ4756A are available. Consult the factory for other surface mount options like MLL4756A. Military screening versions exist with MQ, MX, MV, or MSP prefixes.
