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Product Detailed Parameters
- Description：DIODE ZENER 47V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±2%
- Power - Max：5 W
- Impedance (Max) (Zzt)：25 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 33.8 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：T-18, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The Microsemi Corporation 1N5368CE3/TR8 is a silicon Zener diode from the JEDEC registered 1N5333B through 1N5388B series. It provides voltage regulation at a nominal Zener voltage of 47 V with a tight tolerance of ±2%. The device features a 5.0-watt power dissipation rating and operates within an ambient temperature range of -65°C to +150°C. Packaged in a T-18 axial lead case, it utilizes RoHS compliant annealed matte-tin plating on its terminals.
Feature Summary
- Provides stable voltage regulation across broad operating current and temperature ranges
- Features flexible axial-lead mounting terminals for Through Hole installation
- Withstands high surge stresses and exhibits minimal changes in voltage versus current
- Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020
Applications
- Voltage regulation circuits requiring high power handling
- Power supply protection against overvoltage conditions
- Reference voltage generation in industrial equipment
Procurement Notes
Verify that the specific part number includes the e3 suffix to confirm RoHS compliance and the TR8 suffix to ensure tape and reel packaging. Confirm the C suffix corresponds to the required ±2% voltage tolerance. Ensure adequate heat sinking is provided during operation to maintain performance within the specified thermal limits.
Selection Notes
Select this component when a precise 47 V reference is needed with tight manufacturing tolerances. The 5-watt power rating supports high maximum DC currents when properly heat sunk. The T-18 package offers robust mechanical stability compared to smaller packages, suitable for applications subject to physical stress or high thermal loads.
Part Context
This device belongs to the 1N5333B through 1N5388B series of 5.0-watt Zener diodes manufactured by Microsemi's Scottsdale Division. The series covers a wide selection of voltages from 3.3 V to 200 V. Different suffix letters identify specific voltage tolerances, while the e3 designation indicates environmental compliance.
Replacement Considerations
Equivalent parts include other manufacturers' 5-watt Zener diodes with a 47 V nominal voltage and ±2% tolerance. Surface mount equivalents such as SMBJ5368C are available if board space constraints require a change in package type.
