component
MJL21194G
Public Made by Adomby adom
onsemi Bipolar (BJT), TO-264-3. 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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Contents
README
markdownMJL21194G
onsemi · Bipolar (BJT) · TO-264-3
MJL21194G from onsemi, in a TO-264-3. 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 | BASE | input | Base terminal of the NPN MJL21194; the datasheet gives a maximum continuous base current IB of 5 Adc. |
| 2 | COLLECTOR | passive | Collector terminal of the MJL21194; the datasheet gives VCEO 250 Vdc, continuous collector current IC 16 Adc, and peak collector current ICM 30 Adc. |
| 3 | EMITTER | passive | Emitter terminal of the MJL21194; the datasheet gives an emitter-base voltage VEBO of 5 Vdc. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TO-264-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector−Emitter Voltage | VCEO | 250 | Vdc | 1 | |||
| Collector−Base Voltage | VCBO | 400 | Vdc | 1 | |||
| Emitter−Base Voltage | VEBO | 5 | Vdc | 1 | |||
| Collector−Emitter Voltage | VCEX | 400 | Vdc | − 1.5 V | 1 | ||
| Collector Current − Continuous | IC | 16 | Adc | 1 | |||
| Collector Current − Peak | ICM | 30 | Adc | Note 1: Pulse Width = 300 s, Duty Cycle ≤2% | 1 | ||
| Base Current − Continuous | IB | 5 | Adc | 1 | |||
| Total Power Dissipation | PD | 200 | W | TC = 25C | 1 | ||
| Operating and Storage Junction Temperature Range | TJ, Tstg | -65 | 150 | C | 1 | ||
| Thermal Resistance, Junction−to−Case | RJC | 0.7 | C/W | 1 | |||
| Collector−Emitter Sustaining Voltage | VCEO(sus) | 250 | Vdc | IC = 100 mAdc, IB = 0 | 2 | ||
| Collector Cutoff Current | ICEO | 100 | Adc | VCE = 200 Vdc, IB = 0 | 2 | ||
| Emitter Cutoff Current | IEBO | 100 | Adc | VCE = 5 Vdc, IC = 0 | 2 | ||
| Second Breakdown Collector Current with Base Forward Biased | IS/b | 4 | Adc | VCE = 50 Vdc, t = 1 s (non−repetitive) | 2 | ||
| Second Breakdown Collector Current with Base Forward Biased | IS/b | 2.25 | Adc | VCE = 80 Vdc, t = 1 s (non−repetitive) | 2 | ||
| DC Current Gain | hFE | 25 | 75 | IC = 8 Adc, VCE = 5 Vdc | 2 | ||
| DC Current Gain | hFE | 8 | IC = 16 Adc, IB = 5 Adc | 2 | |||
| Base−Emitter On Voltage | VBE(on) | 2.2 | Vdc | IC = 8 Adc, VCE = 5 Vdc | 2 | ||
| Collector−Emitter Saturation Voltage | VCE(sat) | 1.4 | Vdc | IC = 8 Adc, IB = 0.8 Adc | 2 | ||
| Collector−Emitter Saturation Voltage | VCE(sat) | 4 | Vdc | IC = 16 Adc, IB = 3.2 Adc | 2 | ||
| Current Gain Bandwidth Product | fT | 4 | MHz | IC = 1 Adc, VCE = 10 Vdc, ftest = 1 MHz | 2 | ||
| Output Capacitance | Cob | 500 | pF | VCB = 10 Vdc, IE = 0, ftest = 1 MHz | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | pet | Second Breakdown Collector Current with Base Forward Biased (VCE = 50 Vdc, t = 1 s (non−repetitive) | 2 |
CAD (KiCad official)
- Symbol:
MJL21194G - Footprint:
Package_TO_SOT_THT:TO-264-3_Vertical - 3D model: TO-264-3 (KiCad packages3D, STEP)
- 3D model files:
mjl21194g-etched.step/mjl21194g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mjl21194g.step/mjl21194g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (7 pp, sha256
70ea8065a8375814, retrieved 2026-10-18, tier: lcsc) - 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).