component

HT1403ARZ

Public Made by Adom

by adom

HTCSEMI Voltage References, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT1403ARZ

HTCSEMI · Voltage References · SO-8

HT1403ARZ from HTCSEMI, in a SO-8. 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 Vin power_in Input supply voltage pin, operating range 4.5 V to 40 V (absolute maximum 40 V).
2 Vout output 2.5 V reference output (±25 mV) sourcing up to 10 mA; output capacitance should not exceed 1.0 µF for stability.
3 Gnd power_in Ground pin.
4 NC unconnected No connection.
5 NC unconnected No connection.
6 NC unconnected No connection.
7 NC unconnected No connection.
8 NC unconnected No connection.

Key specifications

Parameter Value
Manufacturer HTCSEMI
Package SO-8
Category Power Supply Chip
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage Vout 2.475 2.5 2.525 V IO = 0 mA, Vin = 15 V, TA = 25C 2
Temperature Coefficient of Output Voltage ΔVO/ΔT 10 40 ppm/C HT1403; Vin = 15 V, TA = 25C 2
Output Voltage Change over temperature (0 to +70C) ΔVO 7 mV HT1403 0 to +70C 2
Line Regulation (15 V ≤ VI ≤ 40 V) Regline 1.2 4.5 mV IO = 0 mA, 15 V ≤ VI ≤ 40 V 2
Line Regulation (4.5 V ≤ VI ≤ 15 V) Regline 0.6 3 mV IO = 0 mA, 4.5 V ≤ VI ≤ 15 V 2
Load Regulation Regload 10 mV 0 mA < IO < 10 mA 2
Quiescent Current IQ 1.2 1.5 mA IO = 0 mA 2
Input Voltage VI 40 V TA = 25C 1
Storage Temperature Tstg -65 150 C 1
Junction Temperature TJ 175 C 1
Operating Ambient Temperature Range TA 0 70 C HT1403A 1
Input Voltage Range Vin 4.5 40 V 1
Output Current IO 10 mA 1

CAD (KiCad official)

  • Symbol: HT1403ARZ
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: ht1403arz-etched.step / ht1403arz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht1403arz.step / ht1403arz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (5 pp, sha256 3fdf728c7346d5e3, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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