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UM6K1N

Public Made by Adom

by adom

Changjing MOSFETs, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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UM6K1N

Changjing · MOSFETs · SOT-363

UM6K1N from Changjing, 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 S1 passive Source of Tr1 (N-channel MOSFET 1), with the body diode to drain pin 6 and a gate protection diode to gate pin 2.
2 G1 input Gate of Tr1, protected by a gate protection diode; VGS rated ±20 V with 2.5 V drive capability and VGS(th) 0.8 to 1.5 V.
3 D2 passive Drain of Tr2 (N-channel MOSFET 2), rated VDS 30 V and ID 0.1 A continuous.
4 S2 passive Source of Tr2 (N-channel MOSFET 2), with the body diode to drain pin 3 and a gate protection diode to gate pin 5.
5 G2 input Gate of Tr2, protected by a gate protection diode; VGS rated ±20 V with 2.5 V drive capability and VGS(th) 0.8 to 1.5 V.
6 D1 passive Drain of Tr1 (N-channel MOSFET 1), rated VDS 30 V and ID 0.1 A continuous.

Key specifications

Parameter Value
Manufacturer Changjing
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
Drain-Source Breakdown Voltage VDS 30 V VGS = 0V, ID = 10µA 2
Zero Gate Voltage Drain Current IDSS 1 µA VDS = 30V, VGS = 0V 2
Gate-Source leakage current IGSS -2 2 µA VGS = ±20V, VDS = 0V 2
Gate Threshold Voltage VGS(th) 0.8 1.2 1.5 V VDS = 3V, ID = 100µA 2
Drain-Source On-Resistance RDS(on) 4 8 Ω VGS = 4V, ID = 10mA 2
Drain-Source On-Resistance RDS(on) 6 13 Ω VGS = 2.5V, ID = 1mA 2
Forward Transconductance gFS 20 mS VDS = 3V, ID = 10mA 2
Input Capacitance Ciss 13 pF VDS = 5V, VGS = 0V, f = 1MHz 2
Output Capacitance Coss 9 pF VDS = 5V, VGS = 0V, f = 1MHz 2
Reverse Transfer Capacitance Crss 4 pF VDS = 5V, VGS = 0V, f = 1MHz 2
Turn-On Delay Time td(on) 15 ns VGS = 5V, VDD = 5V, ID = 10mA, Rg = 10Ω, RL = 500Ω 2
Rise Time tr 35 ns VGS = 5V, VDD = 5V, ID = 10mA, Rg = 10Ω, RL = 500Ω 2
Turn-Off Delay Time td(off) 80 ns VGS = 5V, VDD = 5V, ID = 10mA, Rg = 10Ω, RL = 500Ω 2
Fall Time tf 80 ns VGS = 5V, VDD = 5V, ID = 10mA, Rg = 10Ω, RL = 500Ω 2
Drain-Source Voltage VDS 30 V Ta = 25°C unless otherwise noted 1
Gate-Source Voltage VGS -20 20 V Ta = 25°C unless otherwise noted 1
Continuous Drain Current ID 0.1 A Ta = 25°C unless otherwise noted 1
Power Dissipation PD 0.15 W Ta = 25°C unless otherwise noted 1
Junction Temperature TJ 150 ℃ Ta = 25°C unless otherwise noted 1
Storage Temperature Tstg -55 150 ℃ 1
Thermal Resistance from Junction to Ambient RθJA 833 ℃/W Ta = 25°C unless otherwise noted 1

CAD (KiCad official)

  • Symbol: UM6K1N
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: um6k1n-etched.step / um6k1n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); um6k1n.step / um6k1n.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 54e65679ef74ec8e, 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