Microchip TechnologyTO-206AA, TO-18-3 Metal CanRoHS
2N4858
N CHANNEL JFET
Category
Subcategory
Transistors Jfets
Package
TO-206AA, TO-18-3 Metal Can
Series
Military, MIL-PRF-19500/385
Status
Active
$55.80 / unit (market reference)
MOQ: 100 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Microchip Technology |
| Model | 2N4858 |
| Package / Case | TO-206AA, TO-18-3 Metal Can |
| Mounting Type | Through Hole |
| Operating Temperature | -65°C ~ 200°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 40 V |
| Input Capacitance (Ciss) | 18pF @ 10V |
| Power Dissipation (Max) | 360 mW |
| Supplier Device Package | TO-18 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
2N4858 by Microchip Technology is an N-channel power MOSFET rated at 40 V / 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.
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All Technical Specifications
| FET Type | N-Channel |
| Power - Max | 360 mW |
| Resistance - RDS(On) | 60 Ohms |
| Drain to Source Voltage (Vdss) | 40 V |
| Voltage - Breakdown (V(BR)GSS) | 40 V |
| Voltage - Cutoff (VGS off) @ Id | 4 V @ 0.5 nA |
| Current - Drain (Idss) @ Vds (Vgs=0) | 80 mA @ 15 V |
| Input Capacitance (Ciss) (Max) @ Vds | 18pF @ 10V |
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