| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM431CIM/NOPB | National Semiconductor Corporation | Check for Price | Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8 | LM431CIM vs LM431CIM/NOPB |
| LM431CIMX | onsemi | Check for Price | Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8 | LM431CIM vs LM431CIMX |
| LM431CIM/NOPB | Texas Instruments | Check for Price | Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8 | LM431CIM vs LM431CIM/NOPB |
| LM431CIMX | Texas Instruments | Check for Price | Two Terminal Voltage Reference | LM431CIM vs LM431CIMX |
| LM431CIM | National Semiconductor Corporation | Check for Price | Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8 | LM431CIM vs LM431CIM |
| LM431CIMX/NOPB | Texas Instruments | Check for Price | Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8 | LM431CIM vs LM431CIMX/NOPB |
| LM431CIMX | Rochester Electronics LLC | Check for Price | Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8 | LM431CIM vs LM431CIMX |
Part Details for LM431CIM by Texas Instruments
Results Overview of LM431CIM by Texas Instruments
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (7 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- 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
LM431CIM Information
LM431CIM 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 LM431CIM
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
LM431CIM-ND
|
DigiKey | IC VREF SHUNT -0.6%/+0.4% 8SOIC Min Qty: 1710 Container: Tube |
0 Tube |
|
$0.6181 | Buy Now |
|
DISTI #
88042726
|
Verical | V-Ref Adjustable 2.495V to 37V 100mA 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 434 Package Multiple: 1 Date Code: 1601 | Americas - 10450 |
|
$0.5369 / $0.8659 | Buy Now |
|
DISTI #
88043187
|
Verical | V-Ref Adjustable 2.495V to 37V 100mA 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 434 Package Multiple: 1 Date Code: 1301 | Americas - 2009 |
|
$0.5369 / $0.8659 | Buy Now |
|
|
Rochester Electronics | LM431C - Adjustable Precision Zener Shunt Regulator RoHS: Not Compliant Status: Rochester Active Min Qty: 1 | 12459 |
|
RFQ | |
|
DISTI #
88042726
|
Verical | V-Ref Adjustable 2.495V to 37V 100mA 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 434 Package Multiple: 1 Date Code: 1601 | Americas - 10450 |
|
$0.5369 / $0.8659 | Buy Now |
|
DISTI #
88043187
|
Verical | V-Ref Adjustable 2.495V to 37V 100mA 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 434 Package Multiple: 1 Date Code: 1301 | Americas - 2009 |
|
$0.5369 / $0.8659 | Buy Now |
|
DISTI #
88042726
|
Verical | V-Ref Adjustable 2.495V to 37V 100mA 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 434 Package Multiple: 1 Date Code: 1601 | Americas - 10450 |
|
$0.5369 / $0.8659 | Buy Now |
|
DISTI #
88043187
|
Verical | V-Ref Adjustable 2.495V to 37V 100mA 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 434 Package Multiple: 1 Date Code: 1301 | Americas - 2009 |
|
$0.5369 / $0.8659 | Buy Now |
US Tariff Estimator: LM431CIM 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.
LM431CIM CAD Models
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LM431CIM Part Data Attributes
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LM431CIM
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM431CIM
Texas Instruments
Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Soic-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Date Of Intro | 1996-12-01 | |
| Additional Feature | Output Voltage Adjustable From 2.5 To 36v With Two External Resistors | |
| Analog IC - Other Type | Two Terminal Voltage Reference | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e0 | |
| Length | 4.9 Mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 0.1 A | |
| Output Voltage-Max | 2.51 V | |
| Output Voltage-Min | 2.485 V | |
| Output Voltage-Nom | 2.5 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 235 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temp Coef of Voltage-Max | 54.509 Ppm/°C | |
| Temperature Grade | Industrial | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Trim/Adjustable Output | Yes | |
| Width | 3.9 Mm |
Alternate Parts for LM431CIM
This table gives cross-reference parts and alternative options found for LM431CIM. 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 LM431CIM, 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.
LM431CIM Frequently Asked Questions (FAQ)
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The recommended operating temperature range for the LM431CIM is -40°C to 125°C. However, it's essential to note that the device's accuracy and stability may degrade at extreme temperatures.
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To ensure stability, it's crucial to follow proper PCB layout practices, such as keeping the input and output traces short and separate, using a low-ESR capacitor, and minimizing parasitic inductance. Additionally, adding a small capacitor (e.g., 10nF) between the cathode and anode can help prevent oscillations.
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The maximum allowed voltage on the LM431CIM's reference input (Vref) is 36V. Exceeding this voltage can damage the device. It's essential to ensure that the voltage on Vref is within the recommended range to maintain the device's accuracy and reliability.
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While the LM431CIM can be used as a voltage regulator, it's not its primary intended function. The device is designed as a precision voltage reference, and its output current capability is limited (typically up to 10mA). If you need a voltage regulator, consider using a dedicated voltage regulator IC, such as the LM317 or LM338.
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The output voltage of the LM431CIM is determined by the resistor divider network connected to the cathode and anode. The output voltage can be calculated using the formula: Vout = Vref * (R1 / R2), where Vref is the internal reference voltage (2.5V), R1 is the resistor connected between the cathode and output, and R2 is the resistor connected between the anode and output.