1N5351CE3/TR12

Overview

The Microchip Technology 1N5351CE3/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333-5388B series, designed for voltage regulation in axial-leaded through-hole applications. It features a nominal Zener voltage of 14 V with a tight ±2% tolerance, indicated by the 'C' suffix. The device operates within a temperature range of -65°C to +150°C and includes RoHS compliance via the 'e3' suffix. Packaged in T-18 axial leads and available in tape and reel format (TR12), it offers low reverse leakage current and high surge current capability.

Feature Summary

• Provides precise voltage regulation with tight ±2% tolerance across a broad operating current and temperature range
• Withstands high surge stresses and maintains minimal voltage changes versus current variations
• Features flexible axial-lead mounting terminals suitable for standard through-hole PCB assembly

Applications

• Voltage regulation circuits requiring stable reference voltages
• Power supply protection against overvoltage conditions
• Clamping applications in electronic systems

Procurement Notes

Verify the specific manufacturer origin, as this part number falls under the Microsemi Scottsdale Division product line now integrated into Microchip Technology. Confirm that the 'e3' suffix denotes RoHS compliance and the 'TR12' suffix indicates tape and reel packaging. Ensure the component meets the required thermal dissipation specifications for your application environment.

Selection Notes

Select this component when a 14 V Zener voltage with high precision (±2%) is required for 5-watt power dissipation applications. The C suffix ensures tighter tolerance than standard B or A variants. Consider the T-18 package size and axial lead configuration for mechanical fit. Verify thermal management requirements, as steady-state power dissipation depends on adequate heat sinking or PCB copper pad area.

Part Context

This device belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes originally manufactured by Microsemi's Scottsdale Division. The series covers a wide voltage range from 3.3 V to 200 V with various tolerance options. The 1N5351 variant specifically targets the 14 V segment with enhanced accuracy provided by the C suffix designation.

Replacement Considerations

Consult the official datasheet for equivalent parts within the same series or cross-reference with other manufacturers offering 5W axial Zener diodes with 14V and ±2% tolerance.