| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| TL1431MFKB | Texas Instruments | $29.4405 | Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, CQCC20 | TL431MFKB vs TL1431MFKB |
Part Details for TL431MFKB by Texas Instruments
Results Overview of TL431MFKB by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
Automotive
TL431MFKB Information
TL431MFKB by Texas Instruments is a Voltage Reference.
Voltage References are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for TL431MFKB
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, CQCC20 | 28 |
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$54.9950 / $64.7000 | Buy Now |
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Vyrian | Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, CQCC20 | 3889 |
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RFQ |
US Tariff Estimator: TL431MFKB by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
TL431MFKB Part Data Attributes
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TL431MFKB
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
TL431MFKB
Texas Instruments
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, CQCC20
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| Pbfree Code | No | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | QLCC | |
| Package Description | Ceramic, Lcc-20 | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | Output Voltage Adjustable From 2.495v To 36v | |
| Analog IC - Other Type | Two Terminal Voltage Reference | |
| JESD-30 Code | S-CQCC-N20 | |
| Length | 8.89 Mm | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Current-Max | 0.1 A | |
| Output Voltage-Max | 2.55 V | |
| Output Voltage-Min | 2.44 V | |
| Output Voltage-Nom | 2.495 V | |
| Package Body Material | Ceramic, Metal-Sealed Cofired | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC20,.35SQ | |
| Package Shape | Square | |
| Package Style | Chip Carrier | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Qualification Status | Not Qualified | |
| Screening Level | 38535q/M;38534h;883b | |
| Seated Height-Max | 2.03 Mm | |
| Supply Voltage-Max (Vsup) | 36 V | |
| Supply Voltage-Min (Vsup) | 2.495 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temp Coef of Voltage-Max | 143.143 Ppm/°C | |
| Temperature Grade | Military | |
| Terminal Form | No Lead | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Quad | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Trim/Adjustable Output | Yes | |
| Width | 8.89 Mm |
Alternate Parts for TL431MFKB
This table gives cross-reference parts and alternative options found for TL431MFKB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of TL431MFKB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
TL431MFKB Frequently Asked Questions (FAQ)
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The TL431MFKB can operate from -40°C to 125°C, but the accuracy and stability of the output voltage may degrade at extreme temperatures.
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While the TL431MFKB can handle up to 100 mA of output current, it's not suitable for high-current applications due to its limited power dissipation and thermal resistance. For high-current applications, consider using a dedicated voltage regulator IC.
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To ensure stability, use a minimum output capacitance of 10 nF, and keep the output capacitor close to the TL431MFKB. Additionally, use a low-ESR capacitor and avoid using long wires or traces that can introduce inductance and cause oscillations.
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Yes, the TL431MFKB can be used as a shunt regulator in high-voltage applications, but ensure that the maximum voltage rating of 36 V is not exceeded. Also, consider the power dissipation and thermal resistance when operating at high voltages.
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The output voltage of the TL431MFKB can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal reference voltage (2.495 V), and R1 and R2 are the external resistors used to set the output voltage.