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Contents

README

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UMD22NTR

ROHM Semicon · Digital Transistors · SOT-363

UMD22NTR from ROHM Semicon, in a SOT-363. 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 DTr1 GND(Emitter) power_in Emitter/ground of the NPN digital transistor DTr1 (DTC143Z chip, VCC 50V, IC(MAX) 100mA).
2 DTr1 IN(Base) input Input (base) of DTr1 through built-in R1 = 4.7kΩ, with R2 = 47kΩ to emitter; input voltage range -5 to 30 V.
3 DTr2 OUT(Collector) output Output (collector) of the PNP digital transistor DTr2 (DTA143Z chip), output current up to -100mA.
4 DTr2 GND(Emitter) power_in Emitter/ground of DTr2 (PNP), with supply voltage VCC rated -50V.
5 DTr2 IN(Base) input Input (base) of DTr2 through built-in R1 = 4.7kΩ, with R2 = 47kΩ; input voltage range -30 to 5 V.
6 DTr1 OUT(Collector) output Output (collector) of the NPN transistor DTr1, output current up to 100mA.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-363
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
Input voltage VI(off), DTr1 NPN VI(off) 0.5 V VCC = 5V, IO = 100μA 2
Input voltage VI(on), DTr1 NPN VI(on) 1.3 V VO = 0.3V, IO = 5mA 2
Output voltage VO(on), DTr1 NPN VO(on) 100 300 mV IO = 5mA, II = 250μA 2
Input current II, DTr1 NPN II 1.8 mA VI = 5V 2
Output current IO(off), DTr1 NPN IO(off) 500 nA VCC = 50V, VI = 0V 2
DC current gain GI, DTr1 NPN GI 80 - VO = 5V, IO = 10mA 2
Input resistance R1, DTr1 NPN R1 3.29 4.7 6.11 kΩ 2
Resistance ratio R2/R1, DTr1 NPN R2/R1 8 10 12 - 2
Input voltage VI(off), DTr2 PNP VI(off) -0.5 V VCC = -5V, IO = -100μA 2
Input voltage VI(on), DTr2 PNP VI(on) -1.3 V VO = -0.3V, IO = -5mA 2
Output voltage VO(on), DTr2 PNP VO(on) -100 -300 mV IO = -5mA, II = -250μA 2
Input current II, DTr2 PNP II -1.8 mA VI = -5V 2
Output current IO(off), DTr2 PNP IO(off) -500 nA VCC = -50V, VI = 0V 2
DC current gain GI, DTr2 PNP GI 80 - VO = -5V, IO = -10mA 2
Input resistance R1, DTr2 PNP R1 3.29 4.7 6.11 kΩ 2
Resistance ratio R2/R1, DTr2 PNP R2/R1 8 10 12 - 2
Supply voltage VCC, DTr1 NPN (absolute maximum) VCC 50 V 2
Supply voltage VCC, DTr2 PNP (absolute maximum) VCC -50 V 2
Input voltage VIN, DTr1 NPN (absolute maximum) VIN -5 30 V 2
Input voltage VIN, DTr2 PNP (absolute maximum) VIN -30 5 V 2
Output current IO, DTr1 NPN (absolute maximum) IO 100 mA 2
Output current IO, DTr2 PNP (absolute maximum) IO -100 mA 2
Collector current IC(MAX), DTr1 NPN (absolute maximum) IC(MAX) 100 mA 2
Collector current IC(MAX), DTr2 PNP (absolute maximum) IC(MAX) -100 mA 2
Power dissipation PD, EMD22/UMD22N (total) PD 150 mW/Total 2
Power dissipation PD, per element PD 120 mW per element, must not be exceeded (footnote *3) 2
Junction temperature Tj Tj 150 ℃ 2
Storage temperature range Tstg Tstg -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: UMD22NTR
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: umd22ntr-etched.step / umd22ntr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); umd22ntr.step / umd22ntr.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (12 pp, sha256 b5310dececdb1119, retrieved 2026-10-17, 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