Question 1

What is 4N40?

Accepted Answer

MOSFET N -Channel - 4N40

Question 2

What are the specifications of 4N40?

Accepted Answer

Key specifications include: Type: MOSFET, Channel Type: N -Channel, Drain-Source Voltage (Vds): 400 V, Gate-Source Voltage (Vgs): 30 V, Drain Current (Id): 4 A, Drain-Source On-Resistance (Rds): 1.2, Rise Time (tr): 42 nS, Output Capacitance (Coss): 150 pF, Junction Temperature (Tj): 150 °C, Package: TO-220 TO-251 TO-252 TO-220F, Power Dissipation (Pd): 60 W

Question 3

What are equivalent components to 4N40?

Accepted Answer

See the component details for equivalent parts.

4N40 MOSFET — Specifications & Equivalents

Key Specifications

Equivalent & Replacement Parts

Type	MOSFET
Channel Type	N -Channel
Drain-Source Voltage (Vds)	400 V
Gate-Source Voltage (Vgs)	30 V
Drain Current (Id)	4 A
Drain-Source On-Resistance (Rds)	1.2
Rise Time (tr)	42 nS
Output Capacitance (Coss)	150 pF
Junction Temperature (Tj)	150 °C
Package	TO-220 TO-251 TO-252 TO-220F
Power Dissipation (Pd)	60 W