
LM431AIM
Texas Instruments
4 variants · Texas Instruments
The Texas Instruments LM43 Analog Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - cathode of 1 mA, output current of 100 mA and output type of Adjustable. Variants differ by case, mounting and operating temperature, so you can match the exact case your application requires using the selection guide below. All listed Texas Instruments LM43 Analog Series part numbers are active and orderable.
| Parameter | LM431ACZ/LFT3 | LM431AIM | LM431BCM3X/NOPB | LM431ACM3/NOPB |
|---|---|---|---|---|
| Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | 8-SOIC (0.154\", 3.90mm Width) | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Mounting | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package | Tape & Box (TB); Cut Tape (CT) | Bulk | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR); Cut Tape (CT) |
| Tolerance | ±2.2% | ±2.2% | ±1% | ±2.2% |
Request a quote on any Texas Instruments LM43 Analog Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Texas Instruments

Texas Instruments

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Texas Instruments