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1N4740APE3/TR12
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Product Detailed Parameters
- Description：DIODE ZENER 10V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：10 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：7 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 7.6 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 1N4740APE3/TR12 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 with a nominal Zener voltage of 10 V and a standard tolerance of ±5%. The device operates within a temperature range of -65°C to +150°C and features a maximum reverse current of 10 µA at a test voltage of 7.6 V. Electrical characteristics include a dynamic impedance of 7 Ohms at a test current of 25 mA and a forward voltage of 1.2 V maximum at 200 mA.
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
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B requiring no dry pack
Applications
- Voltage regulation circuits
- Reference voltage sources
- Overvoltage protection
Procurement Notes
Verify that the ordering suffix TR12 corresponds to tape and reel packaging as specified by EIA-296 standards. Confirm RoHS compliance status associated with the e3 suffix. Ensure the component matches the JEDEC registered type number 1N4740A specifications provided in the official datasheet.
Selection Notes
Select this component for applications requiring a 10 V reference with ±5% tolerance. Consider the 1.0 W power dissipation capability and thermal resistance values when designing heat management strategies. Verify compatibility with the required operating temperature range and lead termination plating options.
Part Context
This part belongs to the 1N4728AP through 1N4764AP series of silicon Zener diodes manufactured by Microsemi's Scottsdale Division. The series offers an extensive voltage selection from 3.3 to 100 volts. These plastic encapsulated devices are designed to provide reliable performance in various electronic applications while maintaining standard JEDEC registration.
Replacement Considerations
Surface mount equivalents are available as SMAJ4740A or MLL4740A. Glass-body options exist under the G suffix designation. Military screening levels can be obtained by adding prefixes such as MQ, MX, MV, or MSP.
