SM1A42CSK Datasheet and Replacement
Type Designator: SM1A42CSK
Marking Code: 1A42CS
Type of Transistor: MOSFET
Type of Control Channel: NP -Channel
Pd ⓘ - Maximum Power Dissipation: 2.1 W
|Vds|ⓘ - Maximum Drain-Source Voltage: 100 V
|Vgs|ⓘ - Maximum Gate-Source Voltage: 20 V
|Vgs(th)|ⓘ - Maximum Gate-Threshold Voltage: 3 V
|Id| ⓘ - Maximum Drain Current: 2.2(2.5) A
Tj ⓘ - Maximum Junction Temperature: 150 °C
Qg ⓘ - Total Gate Charge: 5 nC
Cossⓘ - Output Capacitance: 45(29) pF
Rds ⓘ - Maximum Drain-Source On-State Resistance: 0.205(0.15) Ohm
Package: SOP8
SM1A42CSK substitution
SM1A42CSK Datasheet (PDF)
sm1a42csk.pdf

SM1A42CSKDual Enhancement Mode MOSFET (N-and P-Channel)Features Pin Description N ChannelD1D1D2100V/2.5A,D2RDS(ON) = 150m (max.) @ VGS = 10VRDS(ON) = 170m (max.) @ VGS = 4.5VS1G1 P Channel S2G2-100V/-2.2A,Top View of SOP-8RDS(ON) = 205m (max.) @ VGS =-10V(8) (7) (6) (5)RDS(ON) = 240m (max.) @ VGS =-4.5VD1 D1 D2 D2 100% UIS + Rg Tested
sm1a40csq.pdf

SM1A40CSQDual Enhancement Mode MOSFET (N-and P-Channel)Features Pin Description N Channel100V/2.3A, D2D1D2D1RDS(ON) = 162m (max.) @ VGS = 10VG2RDS(ON) = 182m (max.) @ VGS = 4.5VS2S1G1RDS(ON) = 203m (max.) @ VGS = 4.0V P Channel Top View of DFN3x3C-8-100V/-1.6A,RDS(ON) = 350m (max.) @ VGS =-10V (8) (7) (6) (5)D1 D1 D2 D2RDS(ON) = 405m (max.) @ VGS =-4.5V
sm1a40csk.pdf

SM1A40CSKDual Enhancement Mode MOSFET (N-and P-Channel)Features Pin Description N ChannelD1D1D2100V/2.5A,D2RDS(ON) = 155m (max.) @ VGS = 10VRDS(ON) = 175m (max.) @ VGS = 4.5VS1G1RDS(ON) = 195m (max.) @ VGS = 4.0VS2G2 P ChannelTop View of SOP-8-100V/-1.7A,RDS(ON) = 345m (max.) @ VGS =-10V (8) (7) (6) (5)D1 D1 D2 D2RDS(ON) = 400m (max.)
Datasheet: IRFP344 , IRFP350 , IRFP350A , IRFP350FI , IRFP350LC , IRFP351 , IRFP352 , IRFP353 , 2SK3568 , IRFP360 , IRFP360LC , IRFP3710 , IRFP430 , IRFP431 , IRFP432 , IRFP433 , IRFP440 .
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