D40K2
T-NPN SI DARLINGTON
Transistors Bipolar Bjt Single
TO-202 Long Tab
Active
$7.36 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | NTE Electronics, Inc |
| Model | D40K2 |
| Package / Case | TO-202 Long Tab |
| Mounting Type | Through Hole |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Power Dissipation (Max) | 1.67 W |
| Supplier Device Package | TO-202 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
D40K2 by NTE Electronics, Inc 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-202 Long Tab 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 D40K2
Alternatives & Replacements
View All →D40V1
NPN POWER TRANSISTOR
D42C1
3A NPN POWER TRANSISTOR
CEN-U57 PBFREE
TRANS PNP 100V 2A TO-202
CEN-U05 PBFREE
TRANS NPN 60V 2A TO202
CEN-U45 PBFREE
TRANS NPN DARL 40V 2A TO-202
NTE307
TRANS PNP 40V 1.5A TO202
All Technical Specifications
| Power - Max | 1.67 W |
| Transistor Type | NPN - Darlington |
| Vce Saturation (Max) @ Ib, Ic | 1.5V @ 3mA, 1.5A |
| Current - Collector (Ic) (Max) | 2 A |
| Current - Collector Cutoff (Max) | 500nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 10000 @ 200mA, 5V |
| Voltage - Collector Emitter Breakdown (Max) | 50 V |
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