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MPSA42L-T92-K
Public Made by Adomby adom
UTC(Unisonic Tech) Bipolar (BJT), TO-92. 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
markdownMPSA42L-T92-K
UTC(Unisonic Tech) · Bipolar (BJT) · TO-92
MPSA42L-T92-K from UTC(Unisonic Tech), in a TO-92. 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 | passive | Emitter terminal of the NPN transistor in the TO-92 bulk (MPSA42L-T92-K) variant, per the datasheet pin assignment E B C. |
| 2 | B | passive | Base terminal of the NPN transistor in the TO-92 bulk (MPSA42L-T92-K) variant, per the datasheet pin assignment E B C. |
| 3 | C | passive | Collector terminal of the NPN transistor in the TO-92 bulk (MPSA42L-T92-K) variant, per the datasheet pin assignment E B C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC(Unisonic Tech) |
| Package | TO-92 |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Base Voltage | VCBO | 300 | V | 3 | |||
| Collector-Emitter Voltage | VCEO | 300 | V | 3 | |||
| Emitter-Base Voltage | VEBO | 6 | V | 3 | |||
| Collector Current | IC | 500 | mA | 3 | |||
| Collector Dissipation TO-92/TO-92NL | PC | 625 | mW | TA=25C | 3 | ||
| Junction Temperature | TJ | 150 | C | 3 | |||
| Storage Temperature | TSTG | -55 | 150 | C | 3 | ||
| Collector-Base Breakdown Voltage MPSA42 | BVCBO | 300 | V | IC=100μA, IE=0 | 3 | ||
| Collector-Emitter Breakdown Voltage MPSA42 | BVCEO | 300 | V | IC=1mA, IB=0 | 3 | ||
| Emitter-Base Breakdown Voltage | BVEBO | 6 | V | IE=100μA, IC=0 | 3 | ||
| Collector Cut-Off Current MPSA42 | ICBO | 100 | nA | VCB=200V, IE=0 | 3 | ||
| Emitter Cut-Off Current MPSA42 | IEBO | 100 | nA | VEB=6V, IC=0 | 3 | ||
| DC Current Gain | hFE | 80 | VCE=10V, IC=1mA | 3 | |||
| DC Current Gain | hFE | 80 | 300 | VCE=10V, IC=30mA | 3 | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | 0.2 | V | IC=20mA, IB=2mA | 3 | ||
| Base-Emitter Saturation Voltage | VBE(SAT) | 0.9 | V | IC=20mA, IB=2mA | 3 | ||
| Current Gain Bandwidth Product | fT | 50 | MHz | VCE=20V, IC=10mA, f=100MHz | 3 | ||
| Collector Base Capacitance MPSA42 | Ccb | 3 | pF | VCB=20V, IE=0, f=1MHz | 3 | ||
| Junction to Ambient TO-92/TO-92NL | θJA | 200 | °C/W | 3 | |||
| Junction to Case TO-92/TO-92NL | θJC | 83.3 | °C/W | 3 |
CAD (KiCad official)
- Symbol:
MPSA42L-T92-K - Footprint:
Package_TO_SOT_THT:TO-92_Inline - 3D model: TO-92 (KiCad packages3D, STEP)
- 3D model files:
mpsa42l-t92-k-etched.step/mpsa42l-t92-k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mpsa42l-t92-k.step/mpsa42l-t92-k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UTC(Unisonic Tech) datasheet (5 pp, sha256
4e271adab66d70e3, retrieved 2026-11-02, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).