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A733-MS
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MSKSEMI Bipolar Transistors - BJT, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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A733-MS
MSKSEMI · Bipolar Transistors - BJT · SOT-23
A733-MS from MSKSEMI, in a SOT-23. 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 | BASE | input | Base terminal of the PNP transistor, with base-emitter voltage VBE(on) of -0.58 to -0.68 V at VCE=-6V and IC=-1mA. |
| 2 | EMITTER | passive | Emitter terminal of the PNP transistor, with emitter-base breakdown voltage V(BR)EBO of -5 V minimum at IE=-50uA. |
| 3 | COLLECTOR | passive | Collector terminal of the PNP transistor, rated for collector-base voltage VCBO of -60 V and continuous collector current IC of -150 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | Triode/MOS Tube/Transistor |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Emitter Voltage | VCEO | -50 | V | 2 | |||
| Collector-Base Voltage | VCBO | -60 | V | 2 | |||
| Emitter-Base Voltage | VEBO | -5 | V | 2 | |||
| Collector Current -Continuous | IC | -150 | mA | 2 | |||
| Collector Power Dissipation | PC | 200 | mW | 2 | |||
| Junction Temperature | Tj | 150 | ℃ | 2 | |||
| Storage Temperature | Tstg | -55 | 150 | ℃ | 2 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -50 | V | IC= -1mA , IB=0 | 2 | ||
| Collector-base breakdown voltage | V(BR)CBO | -60 | V | IC= -5uA,IE=0 | 2 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -5 | V | IE= -50uA, IC=0 | 2 | ||
| Collector cut-off current | ICBO | -0.1 | uA | VCB= -60 V , IE=0 | 2 | ||
| Emitter cut-off current | IEBO | -0.1 | uA | VEB= -5 V , IC=0 | 2 | ||
| DC current gain | hFE | 120 | 475 | VCE= -6 V, IC= -1mA | 2 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.18 | -0.3 | V | IC= -100mA, IB=- 10mA | 2 | |
| Base-emitter voltage | VBE(on) | -0.58 | -0.62 | -0.68 | V | VCE=-6V,IC=-1.0mA | 2 |
| Transition frequency | fT | 50 | MHz | VCE=-6V,IC=-10mA | 2 | ||
| Collector output capacitance | Cob | 4.5 | 7 | pF | VCB=-10V,IE=0,f=1MHZ | 2 | |
| Noise figure | NF | 6 | 20 | dB | VCE=-6V,IC=-0.3mA, Rg=10kΩ,f=100HZ | 2 |
CAD (KiCad official)
- Symbol:
A733-MS - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
a733-ms-etched.step/a733-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);a733-ms.step/a733-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (5 pp, sha256
99c31d802b5f8521, retrieved 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusoff(skipped (clean text read)), 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).
# A733-MS
**MSKSEMI** · Bipolar Transistors - BJT · SOT-23
A733-MS from MSKSEMI, in a SOT-23. 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 | BASE | input | Base terminal of the PNP transistor, with base-emitter voltage VBE(on) of -0.58 to -0.68 V at VCE=-6V and IC=-1mA. |
| 2 | EMITTER | passive | Emitter terminal of the PNP transistor, with emitter-base breakdown voltage V(BR)EBO of -5 V minimum at IE=-50uA. |
| 3 | COLLECTOR | passive | Collector terminal of the PNP transistor, rated for collector-base voltage VCBO of -60 V and continuous collector current IC of -150 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | Triode/MOS Tube/Transistor |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Emitter Voltage | VCEO | | | -50 | V | | 2 |
| Collector-Base Voltage | VCBO | | | -60 | V | | 2 |
| Emitter-Base Voltage | VEBO | | | -5 | V | | 2 |
| Collector Current -Continuous | IC | | | -150 | mA | | 2 |
| Collector Power Dissipation | PC | | | 200 | mW | | 2 |
| Junction Temperature | Tj | | | 150 | ℃ | | 2 |
| Storage Temperature | Tstg | -55 | | 150 | ℃ | | 2 |
| Collector-emitter breakdown voltage | V(BR)CEO | -50 | | | V | IC= -1mA , IB=0 | 2 |
| Collector-base breakdown voltage | V(BR)CBO | -60 | | | V | IC= -5uA,IE=0 | 2 |
| Emitter-base breakdown voltage | V(BR)EBO | -5 | | | V | IE= -50uA, IC=0 | 2 |
| Collector cut-off current | ICBO | | | -0.1 | uA | VCB= -60 V , IE=0 | 2 |
| Emitter cut-off current | IEBO | | | -0.1 | uA | VEB= -5 V , IC=0 | 2 |
| DC current gain | hFE | 120 | | 475 | | VCE= -6 V, IC= -1mA | 2 |
| Collector-emitter saturation voltage | VCE(sat) | | -0.18 | -0.3 | V | IC= -100mA, IB=- 10mA | 2 |
| Base-emitter voltage | VBE(on) | -0.58 | -0.62 | -0.68 | V | VCE=-6V,IC=-1.0mA | 2 |
| Transition frequency | fT | 50 | | | MHz | VCE=-6V,IC=-10mA | 2 |
| Collector output capacitance | Cob | | 4.5 | 7 | pF | VCB=-10V,IE=0,f=1MHZ | 2 |
| Noise figure | NF | | 6 | 20 | dB | VCE=-6V,IC=-0.3mA, Rg=10kΩ,f=100HZ | 2 |
## CAD (KiCad official)
- Symbol: `A733-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `a733-ms-etched.step` / `a733-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `a733-ms.step` / `a733-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](docs/a733-ms-datasheet.pdf) (5 pp, sha256 `99c31d802b5f8521`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `off` (skipped (clean text read)), 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/a733-ms-datasheet.pdf)