1N4757A_R2_00001

Overview

The Panjit International Inc. 1N4757A_R2_00001 is a silicon planar power Zener diode belonging to the 1N4728A series, designed for stabilizing and clipping circuits with a high power rating of 1 Watt. It features a nominal Zener voltage of 51 V, with a minimum breakdown of 48.45 V and a maximum of 53.55 V at a test current of 5 mA. The device exhibits a maximum dynamic impedance of 95 Ω at IZT and 1500 Ω at ZZK. It operates within a junction temperature range of -55°C to +200°C and is housed in a DO-41 molded plastic package with axial leads.

Feature Summary

• Utilizes silicon planar construction for robust voltage regulation performance
• Features low inductance design suitable for high-frequency applications
• Complies with EU RoHS 2.0 directives ensuring lead-free manufacturing

Applications

• Voltage stabilization circuits
• Signal clipping applications
• High power rating protection stages

Procurement Notes

Verify the specific ordering suffix matches the required packing configuration, as the R2 designation indicates reel packaging. Confirm compliance requirements against the latest datasheet revision before procurement. Ensure the component meets the specified thermal and electrical ratings for the intended operational environment.

Selection Notes

Select this component when a 51 V reference or regulation point is required with a 1 W dissipation capacity. The DO-41 through-hole package facilitates standard PCB mounting. Consider the 95 Ω dynamic impedance for precision requirements and verify that the operating temperature range aligns with system constraints.

Part Context

This part belongs to the 1N4728A series of 1 Watt silicon Zener diodes manufactured by Panjit International Inc. The series covers a wide voltage range from 3.3 V to 68 V, providing standardized options for various power supply and signal conditioning needs across industrial and consumer electronics.

Replacement Considerations

Cross-reference with other manufacturers' 1N4757A equivalents to ensure pinout compatibility and matching electrical characteristics such as Zener voltage tolerance and maximum power dissipation.