component
BD135-16
Public Made by Adomby adom
STMicroelectronics Bipolar Transistors - BJT, TO-126. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "BD135-16",
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"status": "found",
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},
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"name": "B",
"type": "input",
"description": "Base of the NPN transistor; the datasheet lists a maximum base current of 0.5 A and a maximum emitter-base voltage of 5 V."
},
{
"number": "2",
"name": "C",
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"description": "Collector (also connected to the mounting tab); the BD135 is rated for VCEO of 45 V and a collector current of 1.5 A (3 A peak)."
},
{
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}
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"guards": "pin_guards 0.1: passed",
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"cost_usd": 0.2253,
"at": "2026-11-07T03:11:23"
},
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"source_tier": "mfr"
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"described": 3,
"cites_pages": true,
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
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"checked": "2026-11-07",
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},
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"metadata": {
"specs": {
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"Package": "TO-126",
"Category": "Triode/MOS Tube/Transistor",
"Pins": "3"
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"characteristics": {
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"symbol": "ICBO",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "VCB = 30 V",
"source_page": 4,
"source": "datasheet"
},
{
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"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
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"conditions": "VCB = 30 V, TC = 125 °C",
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"source": "datasheet"
},
{
"name": "Emitter cut-off current (IC=0)",
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"min": null,
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"conditions": "VEB = 5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-emitter sustaining voltage (IB=0), BD135",
"symbol": "VCEO(sus)",
"kind": "electrical",
"unit": "V",
"min": 45,
"typ": null,
"max": null,
"conditions": "IC = 30 mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "IC = 0.5 A, IB = 0.05 A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base-emitter voltage",
"symbol": "VBE",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
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"conditions": "IC = 0.5 A, VCE = 2 V",
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{
"name": "DC current gain",
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"min": 25,
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{
"name": "DC current gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 40,
"typ": null,
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"conditions": "IC = 150 mA, VCE = 2 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC current gain hFE group 16 (BD135-16)",
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"unit": "",
"min": 100,
"typ": null,
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"min": null,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 3,
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},
{
"name": "Collector current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Collector peak current",
"symbol": "ICM",
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"unit": "A",
"min": null,
"typ": null,
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{
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{
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"min": null,
"typ": null,
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"conditions": "Tc ≤ 25 °C",
"source_page": 3,
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},
{
"name": "Total dissipation",
"symbol": "PTOT",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.25,
"conditions": "Tamb ≤ 25 °C",
"source_page": 3,
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{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
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"conditions": "",
"source_page": 3,
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},
{
"name": "Max. operating junction temperature",
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"min": null,
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{
"name": "Thermal resistance junction-case",
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"unit": "°C/W",
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"source_page": 3,
"source": "datasheet"
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{
"name": "Thermal resistance junction-ambient",
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"unit": "°C/W",
"min": null,
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}
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"author": {
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"email": "[email protected]"
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