Rochester Electronics, LLCTO-225AA, TO-126-3RoHS
BD442STU
POWER BIPOLAR TRANSISTOR
Category
Subcategory
Transistors Bipolar Bjt Single
Package
TO-225AA, TO-126-3
Status
Active
Datasheet
$0.18 / unit (market reference)
MOQ: 1697 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | BD442STU |
| Package / Case | TO-225AA, TO-126-3 |
| Mounting Type | Through Hole |
| Operating Temperature | 150°C (TJ) |
| Power Dissipation (Max) | 36 W |
| Supplier Device Package | TO-126-3 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
BD442STU 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-225AA, TO-126-3 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 BD442STU
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All Technical Specifications
| Power - Max | 36 W |
| Transistor Type | PNP |
| Frequency - Transition | 3MHz |
| Vce Saturation (Max) @ Ib, Ic | 800mV @ 200mA, 2A |
| Current - Collector (Ic) (Max) | 4 A |
| Current - Collector Cutoff (Max) | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 500mA, 1V |
| Voltage - Collector Emitter Breakdown (Max) | 80 V |
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