component
UMY1NTR
Public Made by Adomby adom
ROHM Semicon Bipolar (BJT), SOT-353-5. 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
markdownUMY1NTR
ROHM Semicon · Bipolar (BJT) · SOT-353-5
UMY1NTR from ROHM Semicon, in a SOT-353-5. 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 | B1 | input | Tr1 (PNP, 2SA1037AK) base; Tr1 is rated VCEO -50V, IC -150mA. |
| 2 | E | passive | Common emitter of Tr1 (PNP) and Tr2 (NPN), shared between both transistors. |
| 3 | B2 | input | Tr2 (NPN, 2SC2412K) base; Tr2 is rated VCEO 50V, IC 150mA. |
| 4 | C2 | passive | Tr2 (NPN) collector; VCEO 50V, IC 150mA, VCBO 60V. |
| 5 | C1 | passive | Tr1 (PNP) collector; VCEO -50V, IC -150mA, VCBO -60V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOT-353-5 |
| Category | Transistors/Thyristors |
| Pins | 5 |
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 breakdown voltage (Tr1 PNP) | BVCBO | -60 | V | IC = -50μA | 2 | ||
| Collector-emitter breakdown voltage (Tr1 PNP) | BVCEO | -50 | V | IC = -1mA | 2 | ||
| Emitter-base breakdown voltage (Tr1 PNP) | BVEBO | -6 | V | IE = -50μA | 2 | ||
| Collector cut-off current (Tr1 PNP) | ICBO | -100 | nA | VCB = -60V | 2 | ||
| Emitter cut-off current (Tr1 PNP) | IEBO | -100 | nA | VEB = -6V | 2 | ||
| Collector-emitter saturation voltage (Tr1 PNP) | VCE(sat) | -500 | mV | IC = -50mA, IB = -5mA | 2 | ||
| DC current gain (Tr1 PNP) | hFE | 120 | 560 | - | VCE = -6V, IC = -1mA | 2 | |
| Output capacitance (Tr1 PNP) | Cob | 4 | 5 | pF | VCB = -12V, IE = 0mA, f = 1MHz | 2 | |
| Collector-base breakdown voltage (Tr2 NPN) | BVCBO | 60 | V | IC = 50μA | 2 | ||
| Collector-emitter breakdown voltage (Tr2 NPN) | BVCEO | 50 | V | IC = 1mA | 2 | ||
| Emitter-base breakdown voltage (Tr2 NPN) | BVEBO | 7 | V | IE = 50μA | 2 | ||
| Collector cut-off current (Tr2 NPN) | ICBO | 100 | nA | VCB = 60V | 2 | ||
| Emitter cut-off current (Tr2 NPN) | IEBO | 100 | nA | VEB = 7V | 2 | ||
| Collector-emitter saturation voltage (Tr2 NPN) | VCE(sat) | 400 | V | IC = 50mA, IB = 5mA | 2 | ||
| DC current gain (Tr2 NPN) | hFE | 120 | 560 | - | VCE = 6V, IC = 1mA | 2 | |
| Output capacitance (Tr2 NPN) | Cob | 2 | 3.5 | pF | VCB = 12V, IE = 0A, f = 1MHz | 2 | |
| Collector-base voltage (Tr1 PNP) | VCBO | -60 | V | Ta = 25°C | 2 | ||
| Collector-base voltage (Tr2 NPN) | VCBO | 60 | V | Ta = 25°C | 2 | ||
| Collector-emitter voltage (Tr1 PNP) | VCEO | -50 | V | Ta = 25°C | 2 | ||
| Collector-emitter voltage (Tr2 NPN) | VCEO | 50 | V | Ta = 25°C | 2 | ||
| Emitter-base voltage (Tr1 PNP) | VEBO | -6 | V | Ta = 25°C | 2 | ||
| Emitter-base voltage (Tr2 NPN) | VEBO | 7 | V | Ta = 25°C | 2 | ||
| Collector current (Tr1 PNP) | IC | -150 | mA | Ta = 25°C | 2 | ||
| Collector current (Tr2 NPN) | IC | 150 | mA | Ta = 25°C | 2 | ||
| Power dissipation (EMY1/UMY1N) | PD | 150 | mW/Total | Each terminal mounted on reference land (*1); 120mW per element must not be exceeded (*2) | 2 | ||
| Junction temperature | Tj | 150 | ℃ | 2 | |||
| Range of storage temperature | Tstg | -55 | 150 | ℃ | 2 |
CAD (KiCad official)
- Symbol:
UMY1NTR - Footprint:
Package_TO_SOT_SMD:SOT-353_SC-70-5 - 3D model: SOT-353-5 (KiCad packages3D, STEP)
- 3D model files:
umy1ntr-etched.step/umy1ntr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);umy1ntr.step/umy1ntr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (12 pp, sha256
290799a524971c36, retrieved 2026-10-17, 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).