LM336Z-2.5/LFT3

$0.26

Description：LM336-2.5-N VOLTAGE REFERENCE DI
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:a5173c5f5380 Category: Voltage Reference Brand: National Semiconductor

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Product introduction

Product Detailed Parameters

Description：LM336-2.5-N VOLTAGE REFERENCE DI
Series：-
Mfr：National Semiconductor
Package：Bulk
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.49V
Voltage - Output (Max)：-
Current - Output：10 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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LM336Z-2.5/LFT3

Overview

The LM336Z-2.5/LFT3 is a precision shunt voltage reference diode from the LM336 series, manufactured by Texas Instruments following its acquisition of National Semiconductor. It operates as a low temperature coefficient 2.5V Zener diode with a dynamic impedance of 0.2Ω. The device features a third adjustment pin for optimizing breakdown voltage and temperature drift. It supports a wide operating current range from 400µA to 10mA and is housed in a TO-92 package.

Feature Summary

Precision 2.5V reference output with guaranteed temperature stability
Low dynamic impedance of 0.2Ω for improved regulation
Third terminal allows adjustment of reference voltage and temperature coefficient
Wide operating current range from 400µA to 10mA

Applications

Digital voltmeters requiring precise reference voltages
Operational amplifier circuits needing stable biasing
Power supply reference designs
Temperature compensated oscillator circuits

Procurement Notes

Verify the specific suffix LFT3 against official Texas Instruments documentation, as standard listings often cite LFT1 or NOPB variants. Confirm that the component retains the original National Semiconductor specifications under TI production. Ensure the TO-92 package type matches the required PCB footprint and thermal constraints for the target application.

Selection Notes

Select this component when a stable 2.5V reference is needed in a through-hole TO-92 package. It is suitable for applications requiring low dynamic impedance and wide current tolerance. Consider the adjustment pin if circuit optimization for temperature drift is necessary. Verify compatibility with existing LM336 family designs.

Part Context

The LM336 series includes LM136, LM236, and LM336 variants differentiated by temperature ranges. The LM336 typically covers 0°C to +70°C. This part functions as a monolithic IC reference, replacing discrete Zener diodes for better accuracy and lower impedance in precision analog circuits.

Replacement Considerations

LM336Z-2.5/NOPB: Direct replacement with updated manufacturing code. LM336Z-2.5/LFT1: Alternative tape-and-reel packaging variant. LM236Z-2.5: Similar performance with potentially different temperature grade.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.