component
TL431IDBVR
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownTL431IDBVR
Texas Instruments · Voltage Reference · SOT-23-5
TL431IDBVR from Texas Instruments, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NC | unconnected | No internal connection (NC) on the TL431 DBV/SOT-23-5 package. |
| 2 | NC | unconnected | No internal connection, but the pin is attached to the die substrate and the datasheet states it must be connected to ANODE or left open. |
| 3 | CATHODE | bidirectional | Cathode (parallel current/voltage) node; recommended operating cathode voltage is Vref to 36V and continuous cathode current is 1mA to 100mA (absolute maximum -100mA to 150mA). |
| 4 | REF | input | Reference input pin whose voltage is regulated to the internal ~2.5V reference (2440-2550mV typ 2495mV for the I-grade, standard-tolerance device) and requires a bias current of at least 4µA (typ 2µA, max 4µA, per Iref spec). |
| 5 | ANODE | power_in | Common anode pin, normally connected to circuit ground, providing the return path for cathode current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
CAD (KiCad official)
- Symbol:
TL431IDBVR - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
tl431idbvr-etched.step/tl431idbvr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tl431idbvr.step/tl431idbvr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (86 pp, sha256
313277b9351e61ed, retrieved 2026-09-23, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).