component
UMZ2N
Public Made by Adomby adom
Changjing Bipolar (BJT), SOT-363. Pinout reviewed by a person 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
markdownUMZ2N
Changjing · Bipolar (BJT) · SOT-363
UMZ2N 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 | E (NPN Tr2) | passive | Emitter of the NPN transistor (2SC2412K chip, Tr2), rated VEBO 7 V and IC 150 mA. |
| 2 | B (NPN Tr2) | input | Base of the NPN transistor (2SC2412K chip, Tr2), with VEBO max 7 V. |
| 3 | C (PNP Tr1) | passive | Collector of the PNP transistor (2SA1037AK chip, Tr1), rated VCEO -50 V and IC -150 mA. |
| 4 | B (PNP Tr1) | input | Base of the PNP transistor (2SA1037AK chip, Tr1), with VEBO max -6 V. |
| 5 | E (PNP Tr1) | passive | Emitter of the PNP transistor (2SA1037AK chip, Tr1), rated VEBO -6 V. |
| 6 | C (NPN Tr2) | passive | Collector of the NPN transistor (2SC2412K chip, Tr2), rated VCEO 50 V and IC 150 mA. |
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 |
|---|---|---|---|---|---|---|---|
| Collector-base voltage Tr1 (PNP) | VCBO | -60 | V | 1 | |||
| Collector-base voltage Tr2 (NPN) | VCBO | 60 | V | 1 | |||
| Collector-emitter voltage Tr1 (PNP) | VCEO | -50 | V | 1 | |||
| Collector-emitter voltage Tr2 (NPN) | VCEO | 50 | V | 1 | |||
| Emitter-base voltage Tr1 (PNP) | VEBO | -6 | V | 1 | |||
| Emitter-base voltage Tr2 (NPN) | VEBO | 7 | V | 1 | |||
| Collector current Tr1 (PNP) | IC | -150 | mA | 1 | |||
| Collector current Tr2 (NPN) | IC | 150 | mA | 1 | |||
| Collector power dissipation (package value) | PC | 150 | mW | 1 | |||
| Operation junction and storage temperature range | TJ,Tstg | -55 | 150 | ℃ | 1 | ||
| Collector-base breakdown voltage Tr1 (PNP) | V(BR)CBO | -60 | V | IC=-50μA, IE=0 | 1 | ||
| Collector-emitter breakdown voltage Tr1 (PNP) | V(BR)CEO | -50 | V | IC=-1mA, IB=0 | 1 | ||
| Emitter-base breakdown voltage Tr1 (PNP) | V(BR)EBO | -6 | V | IE=-50μA, IC=0 | 1 | ||
| Collector cut-off current Tr1 (PNP) | ICBO | -0.1 | μA | VCB=-60V, IE=0 | 1 | ||
| Emitter cut-off current Tr1 (PNP) | IEBO | -0.1 | μA | VEB=-6V, IC=0 | 1 | ||
| DC current gain Tr1 (PNP) | hFE | 120 | 560 | VCE=-6V, IC=-1mA | 1 | ||
| Collector-emitter saturation voltage Tr1 (PNP) | VCE(sat) | -0.5 | V | IC=-50mA, IB=-5mA | 1 | ||
| Transition frequency Tr1 (PNP) | fT | 140 | MHz | VCE=-12V, IE=2mA, f=100MHz | 1 | ||
| Collector output capacitance Tr1 (PNP) | Cob | 5 | pF | VCB=-12V, IE=0, f=1MHz | 1 | ||
| Collector-base breakdown voltage Tr2 (NPN) | V(BR)CBO | 60 | V | IC=50μA, IE=0 | 2 | ||
| Collector-emitter breakdown voltage Tr2 (NPN) | V(BR)CEO | 50 | V | IC=1mA, IB=0 | 2 | ||
| Emitter-base breakdown voltage Tr2 (NPN) | V(BR)EBO | 7 | V | IE=50μA, IC=0 | 2 | ||
| Collector cut-off current Tr2 (NPN) | ICBO | 0.1 | μA | VCB=60V, IE=0 | 2 | ||
| Emitter cut-off current Tr2 (NPN) | IEBO | 0.1 | μA | VEB=7V, IC=0 | 2 | ||
| DC current gain Tr2 (NPN) | hFE | 120 | 560 | VCE=6V, IC=1mA | 2 | ||
| Collector-emitter saturation voltage Tr2 (NPN) | VCE(sat) | 0.4 | V | IC=50mA, IB=5mA | 2 | ||
| Transition frequency Tr2 (NPN) | fT | 180 | MHz | VCE=12V, IE=-2mA, f=100MHz | 2 | ||
| Collector output capacitance Tr2 (NPN) | Cob | 3.5 | pF | VCB=12V, IE=0, f=1MHz | 2 |
CAD (KiCad official)
- Symbol:
UMZ2N - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
umz2n-etched.step/umz2n-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);umz2n.step/umz2n.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (6 pp, sha256
d2bec64fe60f92ee, retrieved 2026-10-21, 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).