1N4750A-TP

Overview

The MCC 1N4750A-TP is a silicon planar Zener diode housed in a hermetic DO-41G glass package. It provides a nominal Zener voltage of 27 V with a ±5% tolerance and a maximum power dissipation of 1.0 W at 50°C ambient temperature. The device features a maximum reverse leakage current of 5 µA at 20.6 V, a forward voltage drop of 1.2 V at 200 mA, and a dynamic impedance of 35 Ohms at the test current of 9.5 mA. It operates within a temperature range of -65°C to +200°C.

Feature Summary

• Hermetically sealed glass construction for environmental protection
• Silicon planar technology for stable breakdown characteristics
• Lead-free finish compliant with RoHS directives

Applications

• Voltage regulation circuits
• Overvoltage protection systems
• Reference voltage generation

Procurement Notes

Verify component authenticity by purchasing exclusively from Micro Commercial Components or their authorized distributors. Counterfeit parts pose significant risks; unauthorized sources do not provide warranty coverage. Confirm that the ordering suffix indicates lead-free compliance and verify specific packaging options such as tape-and-reel or bulk configurations against current availability.

Selection Notes

Select this component when a precise 27 V reference is required in through-hole designs. Ensure the circuit design accounts for the 10 mW/°C derating factor above 100°C. Verify that the application does not involve capacitive loads exceeding standard limits without applying the specified 20% current derating rule.

Part Context

This part belongs to the 1N47xxA series of 1.0 Watt Zener diodes manufactured by Micro Commercial Components. The 'A' suffix denotes a 5% voltage tolerance, distinguishing it from standard (10%) or C (2%) variants. The 'TP' suffix identifies the specific product line configuration offered by MCC.

Replacement Considerations

Cross-reference with other manufacturers offering the 1N4750A specification. Ensure replacement parts match the DO-41 package dimensions and maintain equivalent thermal resistance and voltage tolerance requirements.

FAQ

What is the voltage tolerance for the 1N4750A-TP?

The 'A' suffix indicates a 5% tolerance on the nominal Zener voltage.

How is the Zener impedance measured?

It is derived from the 60 Hz AC voltage resulting when an AC current equal to 10% of the DC Zener current is superimposed on the DC bias.