TL431CDR2G

$0.73

Description：IC VREF SHUNT ADJ 2.2% 8SOIC
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:90f0283996a4 Category: Voltage Reference Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 2.2% 8SOIC
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.495V
Voltage - Output (Max)：36 V
Current - Output：100 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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TL431CDR2G

Overview

The TL431CDR2G is a three-terminal programmable shunt regulator diode manufactured by onsemi. It operates as a low temperature coefficient zener, programmable from the internal reference voltage of 2.5 V up to 36 V using two external resistors. The device features an initial accuracy tolerance of ±2.2% and supports a cathode current range from 1.0 mA to 100 mA. It utilizes an SOIC-8 surface mount package with a standard operating temperature range of 0 °C to +70 °C.

Feature Summary

Programmable output voltage capability extending up to 36 V via external resistor networks
Low dynamic output impedance for stable regulation performance
Temperature compensated operation across the full rated ambient temperature range

Applications

Digital voltmeters
Power supplies
Op amp circuitry

Procurement Notes

Verify that the specific part number TL431CDR2G corresponds to the C series variant with ±2.2% tolerance and the 0 °C to +70 °C operating range. Confirm the D suffix indicates the SOIC-8 package type. Ensure compliance requirements such as RoHS status match project specifications before finalizing procurement orders.

Selection Notes

Select this component when a precise, adjustable voltage reference is required within the 2.5 V to 36 V window. The C series designation indicates a standard commercial temperature grade suitable for general industrial or consumer electronics where extreme thermal conditions are not present. Consider the ±2.2% tolerance against tighter precision requirements if higher accuracy is needed.

Part Context

This device belongs to the TL431 family of programmable precision references. It serves as a monolithic integrated circuit replacement for traditional discrete zener diodes in feedback control loops. The family includes variants with different tolerance grades and extended temperature ranges, such as the A and B series.