component
ZX5T955ZTA
Public Made by Adomby adom
Diodes Incorporated Bipolar (BJT), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ZX5T955ZTA
Diodes Incorporated · Bipolar (BJT) · SOT-89-3
ZX5T955ZTA from Diodes Incorporated, in a SOT-89-3. 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 | B | input | Base; emitter-base breakdown BVEBO is -7V minimum and base-emitter turn-on voltage VBE(on) is -800mV typ at IC = -3A. |
| 2 | C | passive | Collector (also connected to the metal tab); BVCEO is -140V, BVCBO is -180V, continuous current IC is -3A and peak pulse current ICM is -10A. |
| 3 | E | passive | Emitter of the PNP transistor, which is the most positive terminal in normal operation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-89-3 |
| Category | Transistors/Thyristors |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating and storage temperature range | Tj, Tstg | -55 | 150 | °C | 2 | ||
| Collector-base voltage | BVCBO | -180 | V | 2 | |||
| Collector-emitter voltage | BVCEO | -140 | V | 2 | |||
| Emitter-base voltage | BVEBO | -7 | V | 2 | |||
| Continuous collector current | IC | -3 | A | Note (a) surface mounted on 25mm x 25mm x 1.6mm FR4 PCB | 2 | ||
| Peak pulse current | ICM | -10 | A | 2 | |||
| Power dissipation at Tamb=25°C | PD | 1.5 | W | Tamb=25°C, note (a) 25mm x 25mm x 1.6mm FR4 PCB | 2 | ||
| Power dissipation at Tamb=25°C | PD | 2.1 | W | Tamb=25°C, note (b) 50mm x 50mm x 1.6mm FR4 PCB | 2 | ||
| Junction to ambient | RJA | 83 | °C/W | note (a) 25mm x 25mm x 1.6mm FR4 PCB, still air | 2 | ||
| Junction to ambient | RJA | 60 | °C/W | note (b) 50mm x 50mm x 1.6mm FR4 PCB, still air | 2 | ||
| Collector-Base breakdown voltage | BVCBO | -180 | -200 | V | IC = -100A | 4 | |
| Collector-Emitter breakdown voltage | BVCER | -180 | -200 | V | IC = -100A, RB<1k | 4 | |
| Collector-Emitter breakdown voltage | BVCEO | -140 | -160 | V | IC = -10mA (*) | 4 | |
| Emitter-Base breakdown voltage | BVEBO | -7 | -8 | V | IE = -100A | 4 | |
| Collector cut-off current | ICBO | -20 | nA | VCB = -150V | 4 | ||
| Collector cut-off current | ICBO | -0.5 | A | VCB = -150V, Tamb =100oC | 4 | ||
| Emitter cut-off current | IEBO | -10 | nA | VEB = -6V | 4 | ||
| Collector-Emitter saturation voltage | VCE(sat) | -37 | -60 | mV | IC = -0.1A, IB = -5mA(*) | 4 | |
| Collector-Emitter saturation voltage | VCE(sat) | -50 | -75 | mV | IC = -0.5A, IB = -50mA(*) | 4 | |
| Collector-Emitter saturation voltage | VCE(sat) | -80 | -115 | mV | IC = -1A, IB = -100mA(*) | 4 | |
| Collector-Emitter saturation voltage | VCE(sat) | -255 | -330 | mV | IC = -3A, IB = -300mA(*) | 4 | |
| Base-emitter saturation voltage | VBE(sat) | -910 | -1010 | mV | IC = -3A, IB = -300mA(*) | 4 | |
| Base-emitter turn-on voltage | VBE(on) | -800 | -900 | mV | IC = -3A, VCE = -5V(*) | 4 | |
| Static forward current transfer ratio | hFE | 100 | 225 | IC = -10mA, VCE = -5V(*) | 4 | ||
| Static forward current transfer ratio | hFE | 100 | 200 | 300 | IC = -1A, VCE = -5V(*) | 4 | |
| Static forward current transfer ratio | hFE | 45 | 100 | IC = -3A, VCE = -5V(*) | 4 | ||
| Static forward current transfer ratio | hFE | 5 | IC = -10A, VCE = -5V(*) | 4 |
CAD (KiCad official)
- Symbol:
ZX5T955ZTA - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
zx5t955zta-etched.step/zx5t955zta-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);zx5t955zta.step/zx5t955zta.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (8 pp, sha256
c739d0098dbdb9fd, retrieved 2026-10-20, 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).
# ZX5T955ZTA
**Diodes Incorporated** · Bipolar (BJT) · SOT-89-3
ZX5T955ZTA from Diodes Incorporated, in a SOT-89-3. 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 | B | input | Base; emitter-base breakdown BVEBO is -7V minimum and base-emitter turn-on voltage VBE(on) is -800mV typ at IC = -3A. |
| 2 | C | passive | Collector (also connected to the metal tab); BVCEO is -140V, BVCBO is -180V, continuous current IC is -3A and peak pulse current ICM is -10A. |
| 3 | E | passive | Emitter of the PNP transistor, which is the most positive terminal in normal operation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-89-3 |
| Category | Transistors/Thyristors |
| Pins | 3 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating and storage temperature range | Tj, Tstg | -55 | | 150 | °C | | 2 |
| Collector-base voltage | BVCBO | | | -180 | V | | 2 |
| Collector-emitter voltage | BVCEO | | | -140 | V | | 2 |
| Emitter-base voltage | BVEBO | | | -7 | V | | 2 |
| Continuous collector current | IC | | | -3 | A | Note (a) surface mounted on 25mm x 25mm x 1.6mm FR4 PCB | 2 |
| Peak pulse current | ICM | | | -10 | A | | 2 |
| Power dissipation at Tamb=25°C | PD | | | 1.5 | W | Tamb=25°C, note (a) 25mm x 25mm x 1.6mm FR4 PCB | 2 |
| Power dissipation at Tamb=25°C | PD | | | 2.1 | W | Tamb=25°C, note (b) 50mm x 50mm x 1.6mm FR4 PCB | 2 |
| Junction to ambient | RJA | | | 83 | °C/W | note (a) 25mm x 25mm x 1.6mm FR4 PCB, still air | 2 |
| Junction to ambient | RJA | | | 60 | °C/W | note (b) 50mm x 50mm x 1.6mm FR4 PCB, still air | 2 |
| Collector-Base breakdown voltage | BVCBO | -180 | -200 | | V | IC = -100A | 4 |
| Collector-Emitter breakdown voltage | BVCER | -180 | -200 | | V | IC = -100A, RB<1k | 4 |
| Collector-Emitter breakdown voltage | BVCEO | -140 | -160 | | V | IC = -10mA (*) | 4 |
| Emitter-Base breakdown voltage | BVEBO | -7 | -8 | | V | IE = -100A | 4 |
| Collector cut-off current | ICBO | | | -20 | nA | VCB = -150V | 4 |
| Collector cut-off current | ICBO | | | -0.5 | A | VCB = -150V, Tamb =100oC | 4 |
| Emitter cut-off current | IEBO | | | -10 | nA | VEB = -6V | 4 |
| Collector-Emitter saturation voltage | VCE(sat) | | -37 | -60 | mV | IC = -0.1A, IB = -5mA(*) | 4 |
| Collector-Emitter saturation voltage | VCE(sat) | | -50 | -75 | mV | IC = -0.5A, IB = -50mA(*) | 4 |
| Collector-Emitter saturation voltage | VCE(sat) | | -80 | -115 | mV | IC = -1A, IB = -100mA(*) | 4 |
| Collector-Emitter saturation voltage | VCE(sat) | | -255 | -330 | mV | IC = -3A, IB = -300mA(*) | 4 |
| Base-emitter saturation voltage | VBE(sat) | | -910 | -1010 | mV | IC = -3A, IB = -300mA(*) | 4 |
| Base-emitter turn-on voltage | VBE(on) | | -800 | -900 | mV | IC = -3A, VCE = -5V(*) | 4 |
| Static forward current transfer ratio | hFE | 100 | 225 | | | IC = -10mA, VCE = -5V(*) | 4 |
| Static forward current transfer ratio | hFE | 100 | 200 | 300 | | IC = -1A, VCE = -5V(*) | 4 |
| Static forward current transfer ratio | hFE | 45 | 100 | | | IC = -3A, VCE = -5V(*) | 4 |
| Static forward current transfer ratio | hFE | 5 | | | | IC = -10A, VCE = -5V(*) | 4 |
## CAD (KiCad official)
- Symbol: `ZX5T955ZTA`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `zx5t955zta-etched.step` / `zx5t955zta-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `zx5t955zta.step` / `zx5t955zta.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905076652326912) (8 pp, sha256 `c739d0098dbdb9fd`, retrieved 2026-10-20, 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](docs/zx5t955zta-datasheet.pdf)