Product Summary

The 4N40 is an N-Channel enhancement mode power field effect transistor. This advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and commutation mode. The 4N40 is well suited for high efficient switched mode power supplies and active power factor correction.

Parametrics

4N40 absolute maximum ratings: (1)VDSS Drain to Source Voltage 400 V; (2)VGSS Gate to Source Voltage ±30 V; (3)ID Drain Current: 23A; (4)IDM Drain Current - Pulsed: 92 A; (5)EAS Single Pulsed Avalanche Energy: 1190 mJ; (6)IAR Avalanche Current: 23 A; (7)EAR Repetitive Avalanche Energy: 23.5 mJ; (8)dv/dt Peak Diode Recovery dv/dt: 4.5 V/ns; (9)PD Power Dissipation: 235 W; (10)TJ, TSTG Operating and Storage Temperature Range: -55 to +150℃.

Features

4N40 features: (1)RDS(on) = 0.15Ω ( Typ.)@ VGS = 10V, ID = 11.5A; (2)Low gate charge (Typ. 46nC); (3)Low Crss (Typ.25pF); (4)Fast switching; (5)100% avalanche tested; (6)Improved dv/dt apability; (7)RoHS compliant.

Diagrams

4N40 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
4N40
4N40

Fairchild Semiconductor

Triac & SCR Output Optocouplers DIP-6 PHOTO SCR

Data Sheet

Negotiable 
4N40300
4N40300

Fairchild Semiconductor

Triac & SCR Output Optocouplers Optocoupler Photo SCR Output

Data Sheet

Negotiable 
4N40300W
4N40300W

Fairchild Semiconductor

Triac & SCR Output Optocouplers Optocoupler Photo SCR Output

Data Sheet

Negotiable 
4N403S
4N403S

Fairchild Semiconductor

Triac & SCR Output Optocouplers Optocoupler SM-DIP6 Photo SCR Output

Data Sheet

Negotiable 
4N403SD
4N403SD

Fairchild Semiconductor

Triac & SCR Output Optocouplers Optocoupler SM-DIP6 Photo SCR Output

Data Sheet

Negotiable 
4N40S
4N40S

Fairchild Semiconductor

Triac & SCR Output Optocouplers SO-6 PHOTO SCR

Data Sheet

Negotiable 
4N40SD
4N40SD

Fairchild Semiconductor

Triac & SCR Output Optocouplers Optocoupler SM-DIP6 Photo SCR Output

Data Sheet

Negotiable 
4N40W
4N40W

Fairchild Semiconductor

Triac & SCR Output Optocouplers Optocoupler Photo SCR Output

Data Sheet

Negotiable