9N40 Specs and Replacement
Type Designator: 9N40
Type of Transistor: MOSFET
Type of Control Channel: N-Channel
Absolute Maximum Ratings
Pd ⓘ
- Maximum Power Dissipation: 113 W
|Vds|ⓘ - Maximum Drain-Source Voltage: 400 V
|Vgs|ⓘ - Maximum Gate-Source Voltage: 30 V
|Id| ⓘ - Maximum Drain Current: 9 A
Tj ⓘ - Maximum Junction Temperature: 150 °C
Electrical Characteristics
tr ⓘ - Rise Time: 60 nS
Cossⓘ -
Output Capacitance: 160 pF
Rds ⓘ - Maximum Drain-Source On-State Resistance: 0.6 Ohm
Package: TO-220
TO-220F1
- MOSFET ⓘ Cross-Reference Search
9N40 datasheet
..1. Size:153K utc
9n40.pdf 
UNISONIC TECHNOLOGIES CO., LTD 9N40 Preliminary Power MOSFET 8.5 Amps, 400 Volts N-CHANNEL POWER MOSFET 1 TO-220 DESCRIPTION The UTC 9N40 is an N-channel mode power MOSFET using UTC s advanced technology to provide customers with planar stripe and DMOS technology. This technology specializes in allowing a minimum on-state resistance and superior switching performance. It 1... See More ⇒
..2. Size:2008K goford
9n40.pdf 
GOFORD 9N40 Description Features VDSS RDS(ON) ID @ 10V (typ) 0.515 9A 400V TO-252 TO-251 Fast switching 100% avalanche tested Improved dv/dt capability Application DC-DC & DC-AC Converters for telecom, industrial and consumer environment Uninterruptible Power Supply (UPS) Switch Mode Low Power Supplies Industrial Actuators T... See More ⇒
..3. Size:227K inchange semiconductor
9n40.pdf 
INCHANGE Semiconductor isc N-Channel MOSFET Transistor 9N40 DESCRIPTION Drain Current I = 9A@ T =25 D C Drain Source Voltage- V = 400V(Min) DSS Fast Switching Speed Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS General purpose power amplifier ABSOLUTE MAXIMUM RATINGS(T =25 ) C SYMBOL PARAMETER VALUE UNIT V ... See More ⇒
0.1. Size:601K st
stgd19n40lz.pdf 
STGD19N40LZ Automotive-grade 390 V internally clamped IGBT ESCIS 180 mJ Datasheet - production data Features Designed for automotive applications and AEC-Q101 qualified TAB 180 mJ of avalanche energy @ TC = 150 C, L = 3 mH 3 ESD gate-emitter protection 1 Gate-collector high voltage clamping Logic level gate drive DPAK Low saturation voltage Hig... See More ⇒
0.2. Size:841K st
std9n40m2.pdf 
STD9N40M2 N-channel 400 V, 0.59 typ., 6 A MDmesh II Plus low Qg Power MOSFET in a DPAK package Datasheet - preliminary data Features Order code VDS @ TJmax RDS(on) max ID STD9N40M2 450 V 0.8 6 A TAB Extremely low gate charge 3 Lower RDS(on) x area vs previous generation 1 Low gate input resistance DPAK 100% avalanche tested Zener-protected Applica... See More ⇒
0.3. Size:258K fairchild semi
fdp19n40 fdpf19n40.pdf 
October UniFETTM FDP19N40 / FDPF19N40 tm N-Channel MOSFET 400V, 19A, 0.24 Features Description RDS(on) =0.2 ( Typ.)@ VGS = 10V, ID = 9.5A These N-Channel enhancement mode power field effect transistors are produced using Fairchild s proprietary, planar Low Gate Charge ( Typ. 32nC) stripe, DMOS technology. Low Crss ( Typ. 20pF) This advanced technology has been ... See More ⇒
0.4. Size:681K onsemi
fdp19n40.pdf 
Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclatur... See More ⇒
0.5. Size:906K kec
kf9n40d.pdf 
KF9N40D SEMICONDUCTOR N CHANNEL MOS FIELD TECHNICAL DATA EFFECT TRANSISTOR General Description This planar stripe MOSFET has better characteristics, such as fast switching time, low on resistance, low gate charge and excellent A K DIM MILLIMETERS avalanche characteristics. It is mainly suitable for LED Convertor and L C D _ A 6.60 + 0.20 _ B 6.10 + 0.20 switching mode power sup... See More ⇒
0.6. Size:522K kec
kmb3d9n40ta.pdf 
SEMICONDUCTOR KMB3D9N40TA TECHNICAL DATA N-Ch Trench MOSFET General Description This Trench MOSFET has better characteristics, such as fast switching time, low on resistance, low gate charge and excellent avalanche E characteristics. It is mainly suitable for Load switch and Back-Light B K DIM MILLIMETERS Inverter. _ A 2.9 + 0.2 B 1.6+0.2/-0.1 _ C 0.70 + 0.05 2 3 _ D 0.4 + 0... See More ⇒
0.7. Size:252K aosemi
aot9n40.pdf 
AOT9N40 400V,8A N-Channel MOSFET General Description Product Summary VDS The AOT9N40 is fabricated using an advanced high 500V@150 voltage MOSFET process that is designed to deliver high ID (at VGS=10V) 8A levels of performance and robustness in popular AC-DC ... See More ⇒
0.8. Size:261K aosemi
aod9n40.pdf 
AOD9N40 400V,8A N-Channel MOSFET General Description Product Summary The AOD9N40 is fabricated using an advanced high voltage MOSFET process that is designed to deliver high 500V@150 VDS levels of performance and robustness in popular AC-DC ID (at VGS=10V) 8A applications.By providing low RDS(on), Ciss and Crss along ... See More ⇒
0.9. Size:252K aosemi
aot9n40l.pdf 
AOT9N40 400V,8A N-Channel MOSFET General Description Product Summary VDS The AOT9N40 is fabricated using an advanced high 500V@150 voltage MOSFET process that is designed to deliver high ID (at VGS=10V) 8A levels of performance and robustness in popular AC-DC ... See More ⇒
0.10. Size:426K crhj
cs19n40 a8h.pdf 
Silicon N-Channel Power MOSFET R CS19N40 A8H VDSS 400 V General Description ID 19 A CS19N40 A8H the silicon N-channel Enhanced PD(TC=25 ) 180 W VDMOSFETs, is obtained by the self-aligned planar Technology RDS(ON)Typ 0.18 which reduce the conduction loss, improve switching performance and enhance the avalanche energy. The transistor can be used in various pow... See More ⇒
0.11. Size:438K crhj
cs19n40 an.pdf 
Silicon N-Channel Power MOSFET R CS19N40 AN VDSS 400 V General Description ID 19 A CS19N40 AN, the silicon N-channel Enhanced PD(TC=25 ) 180 W VDMOSFETs, is obtained by the self-aligned planar Technology RDS(ON)Typ 0.18 which reduce the conduction loss, improve switching performance and enhance the avalanche energy. The transistor can be used in various power... See More ⇒
0.12. Size:834K magnachip
mdd9n40rh.pdf 
MDD9N40 N-Channel MOSFET 400V, 6A, 0.85 General Description Features These N-channel MOSFET are produced using advanced VDS = 400V MagnaChip s MOSFET Technology, which provides low on- ID = 6A @ VGS = 10V state resistance, high switching performance and excellent RDS(ON) 0.85 @ VGS = 10V quality. Applications These devices are suitable device for SMPS, high Speed s... See More ⇒
0.13. Size:1048K belling
bl19n40-p bl19n40-a.pdf 
BL19N40 Power MOSFET 1 Description Step-Down Converter BL19N40, the silicon N-channel Enhanced , MOSFETs, is obtained by advanced MOSFET technology which reduce the conduction loss, improve switching performance and enhance the avalanche energy. The transistor is suitable device for SMPS, high speed switching and general purpose applications. KEY CHARACTERISTICS Par... See More ⇒
0.14. Size:426K wuxi china
cs19n40a8h.pdf 
Silicon N-Channel Power MOSFET R CS19N40 A8H VDSS 400 V General Description ID 19 A CS19N40 A8H the silicon N-channel Enhanced PD(TC=25 ) 180 W VDMOSFETs, is obtained by the self-aligned planar Technology RDS(ON)Typ 0.18 which reduce the conduction loss, improve switching performance and enhance the avalanche energy. The transistor can be used in various pow... See More ⇒
0.15. Size:438K wuxi china
cs19n40an.pdf 
Silicon N-Channel Power MOSFET R CS19N40 AN VDSS 400 V General Description ID 19 A CS19N40 AN, the silicon N-channel Enhanced PD(TC=25 ) 180 W VDMOSFETs, is obtained by the self-aligned planar Technology RDS(ON)Typ 0.18 which reduce the conduction loss, improve switching performance and enhance the avalanche energy. The transistor can be used in various power... See More ⇒
0.16. Size:439K cn hmsemi
hm19n40.pdf 
General Description VDSS 400 V HM19N40, the silicon N-channel Enhanced ID 19 A PD (TC=25 ) 150 W VDMOSFETs, is obtained by the self-aligned planar Technology RDS(ON)Typ 0.23 which reduce the conduction loss, improve switching performance and enhance the avalanche energy. The transistor can be used in various power switching circuit for system miniaturizatio... See More ⇒
0.17. Size:796K cn fx-semi
fxn9n40c.pdf 
FuXin Semiconductor Co., Ltd. FXN9N40C Series Rev.A General Description Features The FXN9N40C uses advanced Silicon s MOSFET Technology, which VDS = 400V provides high performance in on-state resistance, fast switching ID = 10A @VGS = 10V performance, and excellent quality. Very low on-resistance These devices can also be utilized in industria... See More ⇒
0.18. Size:261K inchange semiconductor
aot9n40.pdf 
isc N-Channel MOSFET Transistor AOT9N40 FEATURES Drain Current I = 8.0A@ T =25 D C Drain Source Voltage- V =400V(Min) DSS Static Drain-Source On-Resistance R =0.8 (Max) DS(on) 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation DESCRIPTION Designed for use in switch mode power supplies and general purpose... See More ⇒
0.19. Size:262K inchange semiconductor
fdp19n40.pdf 
isc N-Channel MOSFET Transistor FDP19N40 FEATURES Drain Current I = 19A@ T =25 D C Drain Source Voltage V = 240V(Min) DSS Static Drain-Source On-Resistance R = 240m (Max) DS(on) 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation DESCRIPTION motor drive, DC-DC converter, power switch and solenoid drive. A... See More ⇒
0.20. Size:265K inchange semiconductor
aod9n40.pdf 
isc N-Channel MOSFET Transistor AOD9N40 FEATURES Drain Current I = 8.0A@ T =25 D C Drain Source Voltage- V =400V(Min) DSS Static Drain-Source On-Resistance R =0.8 (Max) DS(on) 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation DESCRIPTION Designed for use in switch mode power supplies and general purpose... See More ⇒
Detailed specifications: 1N40
, 2N40
, 3N40
, 4N40
, 5N40
, 6N40
, 7N40
, 8N40
, NCEP15T14
, 10N40
, 11N40
, 12N40
, 13N40
, 15N40
, 18N40
, 20N40
, 25N40
.
Keywords - 9N40 MOSFET specs
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Learn how to find the right MOSFET substitute. A guide to cross-reference, check specs and replace MOSFETs in your circuits.