1N5368E3/TR8

Overview

The Microchip Technology 1N5368E3/TR8 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333B through 1N5388B series. It provides voltage regulation with a nominal Zener voltage of 47 volts and a standard tolerance of plus or minus 5 percent, indicated by the B suffix. The device operates within a temperature range of -65°C to +150°C and features a T-18 axial lead package. Electrical characteristics include a maximum dynamic impedance of 25 ohms at a test current of 25 mA, a maximum reverse current of 0.5 microamperes, and a maximum regulator current of 2.7 amperes.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Withstands high surge stresses and exhibits minimal voltage change versus current
• Features flexible axial-lead mounting terminals for secure installation
• Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020

Applications

• Voltage regulation in power supply circuits
• Reference voltage generation in electronic systems
• Overvoltage protection for sensitive components

Procurement Notes

Verify the RoHS compliant e3 suffix indicates tin-plated annealed matte terminals. Confirm the TR suffix specifies tape and reel packaging per EIA-296 standards. Ensure the B suffix corresponds to the required plus or minus 5 percent voltage tolerance. Check that the T-18 package dimensions match the design requirements.

Selection Notes

Select this component when a 47-volt regulation point is required with a 5-watt power dissipation capability. Consider the low thermal resistance design for applications requiring operation at high maximum DC currents with adequate heat sinking. Verify the specific tolerance and packaging options against the circuit design constraints.

Part Context

This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes manufactured by Microsemi Scottsdale Division. The series offers a wide selection of voltages from 3.3 to 200 volts. The e3 suffix denotes RoHS compliance, while the TR suffix indicates availability in tape and reel format for automated assembly processes.

Replacement Considerations

Surface mount equivalents are available as SMBJ5333 through SMBJ5388B or SMBG5333B through SMBG5388B.