2N4391 PBFREE
JFET N-CH 40V 150MA 1.8W TO18
Transistors Jfets
TO-206AA, TO-18-3 Metal Can
Active
$1.48 / unit (market reference)
MOQ: 2000 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Central Semiconductor Corp |
| Model | 2N4391 PBFREE |
| Package / Case | TO-206AA, TO-18-3 Metal Can |
| Mounting Type | Through Hole |
| Operating Temperature | -65°C ~ 175°C (TJ) |
| FET Type | N-Channel |
| Input Capacitance (Ciss) | 14pF @ 20V |
| Power Dissipation (Max) | 1.8 W |
| Supplier Device Package | TO-18 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
2N4391 PBFREE by Central Semiconductor Corp is an N-channel power MOSFET rated at - / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-206AA, TO-18-3 Metal Can 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 2N4391 PBFREE
Alternatives & Replacements
View All →2N4392 PBFREE
JFET N-CH 40V 1.8W TO-18
2N5116 TO-18 3L
P-CHANNEL, SINGLE, JFET SWITCH
2N5114 TO-18 3L
P-CHANNEL, SINGLE, JFET SWITCH
2N4393 TO-18 3L
LOW NOISE, N-CHANNEL JFET SWITCH
2N4392 TO-18 3L
LOW NOISE, N-CHANNEL JFET SWITCH
U310 TO-18 3L
WIDEBAND, HIGH GAIN, SINGLE, N-
All Technical Specifications
| FET Type | N-Channel |
| Power - Max | 1.8 W |
| Resistance - RDS(On) | 30 Ohms |
| Current Drain (Id) - Max | 100 pA |
| Voltage - Breakdown (V(BR)GSS) | 40 V |
| Voltage - Cutoff (VGS off) @ Id | 10 V @ 1 nA |
| Current - Drain (Idss) @ Vds (Vgs=0) | 150 mA @ 20 V |
| Input Capacitance (Ciss) (Max) @ Vds | 14pF @ 20V |
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