component

HE2021A30HPR

Public Made by Adom

by adom

HEERMICR Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HE2021A30HPR

HEERMICR · Linear Voltage Regulators (LDO) · SOT-89-3

HE2021A30HPR from HEERMICR, in a SOT-89-3. 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 GND power_in Ground pin of the regulator, connected to the reference and output divider return.
2 VIN power_in Input voltage supply pin, rated -0.3V to 35V absolute maximum with 35V maximum input voltage.
3 VOUT power_out Regulated 3.0V output (±1%, 2.97V to 3.03V) delivering up to 200mA.

Key specifications

Parameter Value
Manufacturer HEERMICR
Package SOT-89-3
Category Power Management ICs
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
Output Voltage VOUT 2.97 3 3.03 V VIN=8V, IOUT=10mA 3
Output Current IOUT 200 mA VIN=6V 3
Load Regulation ΔVOUT 40 60 mV VIN=8V, 1mA≤IOUT≤20mA 3
Voltage Drop VDIF 10 mV IOUT=1mA, ΔVOUT=2% 3
Current Consumption ISS 2 3 μA VIN=8V, No load 3
Line Regulation ΔVOUT/(ΔVIN·VOUT) 0.3 %/V 4V≤VIN≤37V, IOUT=1mA 3
Input Voltage VIN 35 V 3
Output Voltage Temperature Coefficient ΔVOUT/ΔTa 0.12 mV/℃ VIN=8V, IOUT=10mA, 0℃<Ta<100℃; printed ±0.12 3
Supply Voltage -0.3 35 V 2
Operating Temperature -40 85 ℃ 2
Storage Temperature -50 125 ℃ 2
Thermal Resistance Junction to Ambient θJA 200 ℃/W SOT89, no ambient airflow, no heat sink 2
Power Dissipation PD 0.5 W SOT89, Ta=25℃ 2

CAD (KiCad official)

  • Symbol: HE2021A30HPR
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: he2021a30hpr-etched.step / he2021a30hpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); he2021a30hpr.step / he2021a30hpr.glb are the bare package body.

Provenance

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

  • Datasheet: HEERMICR datasheet (9 pp, sha256 8d7e2c2e64e2ae10, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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