1N4751A_T50R

Overview

The onsemi 1N4751A_T50R is a single silicon Zener diode housed in a DO-41 axial through-hole package. It provides a nominal Zener voltage of 30 V with a ±5% tolerance, tested at a current of 8.5 mA. The device supports a maximum power dissipation of 1.0 W and features a maximum dynamic impedance of 40 Ω at the test current. It operates within a temperature range of -65°C to +200°C and exhibits a maximum reverse leakage current of 5 µA.

Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics
• Features high thermal stability for operation up to 200°C
• Utilizes a glass-passivated junction for reliability

Applications

• Voltage reference circuits
• Overvoltage protection stages
• Power supply regulation

Procurement Notes

Verify that the ordering suffix matches the required packaging configuration. Confirm compliance requirements such as RoHS status against specific project standards. Ensure the manufacturer part number aligns exactly with the requested component specifications before finalizing procurement orders.

Selection Notes

Select this component when a precise 30 V reference is required in a standard axial leaded package. Consider the 40 Ω impedance value for ripple rejection needs. Verify that the 1 W power rating accommodates the expected load conditions and ambient operating temperatures.

Part Context

This component belongs to the 1N47xx series of one-watt Zener diodes manufactured by onsemi. The series covers a wide range of voltage ratings from 3.3 V to 75 V. The 1N4751A variant specifically targets applications requiring a 30 V breakdown voltage with tight manufacturing tolerances.

Replacement Considerations

Cross-reference with other manufacturers' 1N4751A equivalents. Verify pinout compatibility and package dimensions. Check if alternative suppliers offer matching electrical parameters and thermal characteristics.