Rochester Electronics, LLCTO-226-3, TO-92-3 (TO-226AA)RoHS
BC640BU
TRANS PNP 80V 1A TO92-3
Category
Subcategory
Transistors Bipolar Bjt Single
Package
TO-226-3, TO-92-3 (TO-226AA)
Status
Obsolete
Datasheet
$0.02 / unit (market reference)
MOQ: 15000 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | BC640BU |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
| Mounting Type | Through Hole |
| Operating Temperature | 150°C (TJ) |
| Power Dissipation (Max) | 1 W |
| Supplier Device Package | TO-92-3 |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
BC640BU by Rochester Electronics, LLC is an N-channel power MOSFET rated at N/A / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-226-3, TO-92-3 (TO-226AA) package offers good thermal performance for SMT mounting. Key spec: Rds(on) max N/A. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for BC640BU
Alternatives & Replacements
View All →Rochester Electronics, LLCStockTO-226-3, TO-92-3 (TO-226AA)
SS9014DBU
0.1A, 45V, NPN, TO-92
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Rochester Electronics, LLCStockTO-226-3, TO-92-3 (TO-226AA)
SS9013GBU
TRANS NPN 20V 500MA TO92-3
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Rochester Electronics, LLCStockTO-226-3, TO-92-3 (TO-226AA)
KSC945YBU
SMALL SIGNAL BIPOLAR TRANSISTOR,
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Rochester Electronics, LLCStockTO-226-3, TO-92-3 (TO-226AA)
KSC945GBU
TRANS NPN 50V 150MA TO92-3
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Rochester Electronics, LLCStockTO-226-3, TO-92-3 (TO-226AA)
PN100
TRANS NPN 45V 500MA TO92-3
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Rochester Electronics, LLCStockTO-226-3, TO-92-3 (TO-226AA)
SS9013HBU
TRANS NPN 20V 500MA TO92-3
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All Technical Specifications
| Power - Max | 1 W |
| Transistor Type | PNP |
| Frequency - Transition | 100MHz |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 50mA, 500mA |
| Current - Collector (Ic) (Max) | 1 A |
| Current - Collector Cutoff (Max) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 150mA, 2V |
| Voltage - Collector Emitter Breakdown (Max) | 80 V |
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