component
UM6K1N
Public Made by Adomby adom
Changjing MOSFETs, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownUM6K1N
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);um6k1n.step/um6k1n.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).