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TLVH431NAQDBZRVL

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Nexperia Voltage Reference, TO-236AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TLVH431NAQDBZRVL

Nexperia · Voltage Reference · TO-236AB

TLVH431NAQDBZRVL from Nexperia, in a TO-236AB. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 REF input Reference input of the adjustable shunt regulator, nominally Vref of about 1.24 V (1228 to 1252 mV at IK = 10 mA, Tamb = 25 °C for the A-Grade 1 % part), with two external resistors setting the output voltage up to 14 V.
2 K passive Cathode, rated for a cathode-anode voltage VKA up to 14 V and a cathode current IK from 0.08 mA to 70 mA (minimum cathode current 80 µA maximum at VKA = Vref).
3 A passive Anode, the common terminal for the cathode-anode voltage VKA, which is limited to 14 V.

Key specifications

Parameter Value
Manufacturer Nexperia
Package TO-236AB
Category Power Management (PMIC)
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
reference voltage Vref 1228 1240 1252 mV VKA = Vref; IK = 10 mA; Tamb = 25 °C 6
cathode current IK -25 80 mA 4
cathode current IK 0.08 70 mA 5
ambient temperature (TLVH431NXQDBZR) Tamb -40 125 °C TLVH431NXQDBZR 4
storage temperature Tstg -65 150 °C 4
cathode-anode voltage VKA 14 V 4
cathode-anode voltage VKA 14 V 5
reference current Iref 3 mA 4
total power dissipation Ptot 350 mW Tamb ≤ 25 °C; [1] FR4 PCB, standard footprint 4
total power dissipation Ptot 580 mW Tamb ≤ 25 °C; [2] FR4 PCB, mounting pad for anode 1 cm2 4
total power dissipation Ptot 950 mW Tamb ≤ 25 °C; [3] ceramic PCB, Al2O3, standard footprint 4
junction temperature Tj 150 °C 4
electrostatic discharge voltage (human body model) VESD 4 kV MIL-STD-883 (human body model) 4
electrostatic discharge voltage (machine model) VESD 200 V machine model 4
reference voltage variation ΔVref 2.2 10 mV VKA = Vref; IK = 10 mA; Tamb = -40 °C to 125 °C 6
reference voltage variation to cathode-anode voltage variation ratio ΔVref/ΔVKA -0.5 -2.7 mV/V IK = 10 mA; ΔVKA = Vref to 14 V 6
reference current Iref 0.19 0.3 μA IK = 10 mA; R1 = 10 kΩ; R2 = open 6
reference current variation ΔIref 0.07 0.24 μA IK = 10 mA; R1 = 10 kΩ; R2 = open; Tamb = -40 °C to 125 °C 6
minimum cathode current IK(min) 55 80 μA VKA = Vref 6
off-state current Ioff 0.01 0.05 μA VKA = 14 V; Vref = 0 6
dynamic cathode-anode impedance ZKA 0.1 0.15 Ω IK = 0.1 mA to 70 mA; VKA = Vref; f < 1 kHz 6
thermal resistance from junction to ambient Rth(j-a) 360 K/W [1] FR4 PCB, single-sided copper, tin-plated, standard footprint 5
thermal resistance from junction to ambient Rth(j-a) 216 K/W [2] FR4 PCB, single-sided copper, tin-plated, mounting pad for anode 1 cm2 5
thermal resistance from junction to ambient Rth(j-a) 132 K/W [3] ceramic PCB, Al2O3, standard footprint 5
thermal resistance from junction to solder point Rth(j-sp) 50 K/W [4] soldering point of anode, in free air 5

CAD (KiCad official)

  • Symbol: TLVH431NAQDBZRVL
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236AB (KiCad packages3D, STEP)
  • 3D model files: tlvh431naqdbzrvl-etched.step / tlvh431naqdbzrvl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlvh431naqdbzrvl.step / tlvh431naqdbzrvl.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Nexperia datasheet (17 pp, sha256 f697276a93043d84, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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).

Datasheet PDF