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docs umc5n-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 10d ago
README.md umc5n-7: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 16d ago
umc5n-7-etched.fit.json umc5n-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
umc5n-7-etched.glb umc5n-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
umc5n-7-etched.step umc5n-7: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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UMC5N-7

Diodes Incorporated · Digital Transistors · SOT-353

UMC5N-7 from Diodes Incorporated, in a SOT-353. 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 C1 passive Collector of NPN transistor Q1. Absolute max VCC = 50 V, IC(MAX) = 100 mA; typical output current 30 mA.
2 B2 input Base input of PNP transistor Q2 through built-in series resistor R1 = 4.7 kΩ (3.29-6.11 kΩ). VI(ON) ≤ −2.5 V drives Q2 into saturation; VI(OFF) ≥ −0.3 V keeps Q2 off. Absolute max VIN = −20 V to +7 V.
3 B1 input Base input of NPN transistor Q1 through built-in series resistor R1 = 47 kΩ (32.9-61.1 kΩ). VI(ON) ≥ 3 V drives Q1 into saturation; VI(OFF) ≤ 0.5 V keeps Q1 off. Absolute max VIN = −10 V to +40 V.
4 C2 passive Collector of PNP transistor Q2. Absolute max VCC = −50 V, IC(MAX) = −100 mA; typical output current −100 mA.
5 E1/E2 passive Common emitter - internally tied emitter of NPN Q1 and PNP Q2. Typically returned to the ground or supply rail depending on the switching topology.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-353
Category Transistors/Thyristors
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • UMC5N-7

CAD (KiCad official)

  • Symbol: UMC5N-7
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT-353 (KiCad packages3D, STEP)
  • 3D model files: umc5n-7-etched.step / umc5n-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); umc5n-7.step / umc5n-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (None pp, sha256 6dfc7ca366ae0edd, 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