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Contents

README

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HT8051BRTZ

HTCSEMI · Comparators · SOT-23-5

HT8051BRTZ from HTCSEMI, 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 +VIN input Non-inverting comparator input. Common-mode input range GND+0.2V to VDD-0.2V. Input resistance >100 GΩ; differential input capacitance 1.8pF.
2 GND power_in Ground return for the device.
3 -VIN input Inverting comparator input. Common-mode input range GND+0.2V to VDD-0.2V. Input resistance >100 GΩ; differential input capacitance 1.8pF.
4 OUTPUT output Rail-to-rail comparator digital output, CMOS/TTL compatible. VOH ≥ VDD-0.3V, VOL ≤ GND+0.3V. Short-circuit current to VDD ≈ 25mA. Rise/fall times 35/28ns.
5 VCC power_in Positive power supply, 2.7V to 5.5V (absolute max 5.5V). Quiescent current ~200uA.

Key specifications

Parameter Value
Manufacturer HTCSEMI
Package SOT-23-5
Category Op-amp/Cmp
Pins 5

CAD (KiCad official)

  • Symbol: HT8051BRTZ
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ht8051brtz-etched.step / ht8051brtz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht8051brtz.step / ht8051brtz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (6 pp, sha256 52d147ba69b2035f, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF