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AD-EMH11

Public Made by Adom

by adom

Changjing Digital Transistors, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AD-EMH11

Changjing · Digital Transistors · SOT-563

AD-EMH11 from Changjing, in a SOT-563. 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 E1 passive Emitter of transistor 1 (GND side of the first built-in-resistor NPN, DTC114E type), per the page 1 schematic.
2 B1 input Input (base through built-in R1 of 10kΩ typ, 7-13kΩ) of transistor 1; VI(OFF) min 0.5V, VI(ON) max 3V, input voltage range -10 to 40V.
3 C2 passive Collector (output) of transistor 2; supply voltage VCC max 50V, output current IO 50mA (IC(MAX) 100mA).
4 E2 passive Emitter of transistor 2 (GND side of the second built-in-resistor NPN), per the page 1 schematic.
5 B2 input Input (base through built-in R1 of 10kΩ typ, 7-13kΩ) of transistor 2; VI(OFF) min 0.5V, VI(ON) max 3V, input voltage range -10 to 40V.
6 C1 passive Collector (output) of transistor 1; supply voltage VCC max 50V, output current IO 50mA (IC(MAX) 100mA).

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-563
Category Transistors/Thyristors
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC 50 V 2
Input voltage VIN -10 40 V 2
Output current IO 50 mA 2
Collector current (max) IC(MAX) 100 mA 2
Power dissipation PD 150 mW 2
Operating junction and storage temperature range Tj, Tstg -55 150 °C 2
Input voltage (OFF) VI(OFF) 0.5 V VCC = 5V, IO = 100μA 2
Input voltage (ON) VI(ON) 3 V VO = 0.3V, IO = 10mA 2
Output voltage (ON) VO(ON) 0.3 V IO/II = 10mA/0.5mA 2
Input current II 0.88 mA VI = 5V 2
Output current (OFF) IO(OFF) 0.5 μA VCC = 50V, VI = 0V 2
DC current gain GI 30 - VO = 5V, IO = 5mA 2
Input resistance R1 7 10 13 kΩ 2
Resistance ratio R2/R1 0.8 1 1.2 - 2

CAD (KiCad official)

  • Symbol: AD-EMH11
  • Footprint: Package_TO_SOT_SMD:SOT-563
  • 3D model: SOT-563 (KiCad packages3D, STEP)
  • 3D model files: ad-emh11-etched.step / ad-emh11-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad-emh11.step / ad-emh11.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 45f668f947db0ccd, retrieved 2026-10-18, 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