ChipApex | Global Electronic Components Supplier
1N4738E3/TR13
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：DIODE ZENER 8.2V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：8.2 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：4.5 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 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
Download product information
Overview
The Microchip Technology 1N4738E3/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 with a nominal Zener voltage of 8.2 V and a standard tolerance of ±5%. The device operates within a temperature range of -65°C to +150°C and features RoHS-compliant annealed matte-tin plating.
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 TR13 corresponds to tape and reel packaging as specified by EIA-296 standards. Confirm the presence of the e3 suffix indicates RoHS compliance with annealed matte-tin plating. Ensure the component matches the JEDEC registered 1N4738A designation for accurate electrical characteristics and tolerance specifications.
Selection Notes
Select this component when a 1.0-watt power dissipation rating at 25°C is required. Choose the 1N4738 variant specifically for an 8.2 V nominal breakdown voltage. Consider the plastic encapsulation for lower thermal resistance compared to glass-body options. Verify compatibility with standard axial lead mounting techniques and FR4 printed circuit board layouts.
Part Context
This part belongs to the widely used 1N4728A through 1N4764A series of silicon Zener diodes manufactured by Microsemi's Scottsdale Division. The series offers extensive voltage selection from 3.3 to 100 volts. The specific 1N4738 model sits within the mid-range voltage segment of this family, providing reliable regulation for general-purpose electronic designs.
Replacement Considerations
Surface mount equivalents such as SMAJ4738A or MLL4738A are available from the same manufacturer. Glass-body versions designated with a G suffix offer hermetic sealing but differ in thermal properties. Military screening levels can be obtained by adding MQ, MX, MV, or MSP prefixes to the base part number.
