TL431IDBZR-QR

$0.08

Description：IC VREF SHUNT 2.495V SOT23-3
Series：-
Mfr：Nexperia USA Inc.
Package：Tape & Reel (TR)

SKU:8119bed0a2c3 Category: Voltage Reference Brand: Nexperia USA Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 2.495V SOT23-3
Series：-
Mfr：Nexperia USA Inc.
Package：Tape & Reel (TR)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.495V
Voltage - Output (Max)：36 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：TO-236AB
Grade：Automotive
Qualification：AEC-Q100

Download product information

TL431IDBZR-QR

Overview

The TL431IDBZR-QR is a three-terminal shunt regulator from the Nexperia TL431 family, designed for surface-mount applications in SOT-23 (TO-236AB) packages. It features an adjustable output voltage range between Vref = 2.495 V and 36 V, set by two external resistors. This specific variant holds AEC-Q101 qualification, ensuring suitability for automotive environments. It provides a reference voltage tolerance of 1.0% and operates within a temperature range of -40 °C to 85 °C.

Feature Summary

AEC-Q101 qualified for automotive reliability standards
Adjustable output voltage up to 36 V via external resistors
Low output impedance typical value of 0.2 Ω
Sink current capability ranging from 1 mA to 100 mA

Applications

Shunt regulator circuits
Precision current limiter designs
Isolated feedback loops for Switch Mode Power Supplies (SMPS)

Procurement Notes

Verify the suffix -QR indicates reel packaging configuration during procurement. Confirm AEC-Q101 Grade 1 qualification aligns with target automotive application requirements. Ensure SOT-23 footprint compatibility with existing PCB layouts. Cross-reference datasheet thermal characteristics against system power dissipation limits.

Selection Notes

Select this component when automotive-grade reliability is required alongside precise voltage referencing. The 1.0% tolerance suits applications needing tighter accuracy than standard grades. Verify operating temperature range covers the intended environmental conditions. Consider package size constraints as it utilizes compact SOT-23 housing.

Part Context

Part of the broader TL431 programmable shunt regulator family manufactured by Nexperia. Shares core functionality with variants like TL431ACDBZR and TL431BCDBZR but differs in qualification grade and tolerance specifications. Designed to replace legacy discrete zener diode references in modern power management topologies.

Replacement Considerations

Direct substitutes include TL431AQDBZR and TL431AFDT for similar performance profiles. Check pinning configurations carefully; mirrored pinning variants like TL431MFDT require layout adjustments. Verify temperature ranges match if replacing non-automotive parts.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

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.