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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% TO236AB
- Series：-
- Mfr：Nexperia USA Inc.
- 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：-40°C ~ 125°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
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Overview
The TL431BMFDT,215 is a three-terminal shunt adjustable precision voltage reference from the Nexperia TL431 series. It operates within an output voltage range of 2.4 V to 36 V and features a B-grade initial accuracy of ±0.5%. The device supports a maximum cathode current of 100 mA and withstands a maximum input voltage of 37 V. It is housed in a surface-mount SOT-23 package with three pins. The component functions across an extended temperature range from -40 °C to +125 °C and complies with AEC-Q100 automotive standards.
Feature Summary
- Programmable output voltage capability up to 36 V via external resistors
- High precision with B-grade tolerance of ±0.5% for reference voltage
- Robust thermal performance suitable for industrial environments (-40 °C to +125 °C)
- Automotive qualification compliant with AEC-Q100 standards
Applications
- Shunt regulator circuits
- Precision current limiter designs
- Isolated feedback loops for Switch Mode Power Supplies (SMPS)
Procurement Notes
Verify the specific suffix
Selection Notes
Select this variant when high precision is required alongside automotive reliability. The B-grade tolerance ensures tight voltage regulation compared to standard grades. Ensure the design accommodates the SOT-23 footprint and that the operating temperature range aligns with the -40 °C to +125 °C specification. Confirm that the 100 mA sink current meets the circuit's load requirements.
Part Context
This component belongs to the widely used TL431 family of programmable zener diodes. Nexperia manufactures these devices following the acquisition of NXP's Standard Products business. The TL431BMFDT,215 specifically denotes the mirrored pinning configuration within the SOT-23 package, distinguishing it from standard pinning variants like the TL431BFDT.
Replacement Considerations
Compatible substitutes include TL431AMFDT,215 (1% accuracy) and TL431CMFDT,215 (2% accuracy). For non-mirrored pinning equivalents, consider TL431BIDBZR or TL431ACDBZR. Verify pinout compatibility before substitution.
