1N4729A,113

Overview

The Nexperia 1N4729A,113 is a low voltage regulator diode housed in a hermetically sealed SOD66 (DO-41) glass package. It features a nominal working voltage of 3.6 V with a tolerance series of ±5%. The device supports a maximum total power dissipation of 1000 mW and operates within a junction temperature range of -65 °C to +200 °C. Key electrical characteristics include a forward voltage of 1.2 V at 200 mA, a test current of 69 mA, a differential resistance of 400 Ω, and a maximum reverse current of 1 μA.

Feature Summary

• Hermetically sealed small glass package construction
• Low voltage stabilization capability
• Wide operating temperature range

Applications

• Low voltage stabilizers

Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm packaging configuration and compliance status. Ensure the component meets project requirements for hermetic sealing and axial leaded mounting. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component for designs requiring precise low voltage regulation within the specified tolerance. Consider the thermal resistance from junction to tie-point when designing heat dissipation strategies. Verify that the required working current aligns with the device's test current specifications to ensure accurate voltage regulation performance under load conditions.

Part Context

This component belongs to the 1N4728A to 1N4749A series of voltage regulator diodes manufactured by Nexperia. The series offers various nominal working voltages ranging from 3.3 V to 24 V. All devices in this family share the same SOD66 package style and general structural characteristics while differing in specific electrical parameters such as Zener voltage and test currents.

Replacement Considerations

Compatible substitutes include other manufacturers' 1N4729A variants meeting DO-41 specifications. Verify equivalent voltage ratings, power dissipation limits, and package dimensions before substitution.

FAQ

What does the marking band on the diode indicate?

The marking band indicates the cathode terminal of the device.

Is the 1N4729A suitable for high-power applications?

No, it is designed for low voltage regulation with a maximum power dissipation of 1000 mW.