This post explains for the semiconductor K1191.
The Part Number is 2SK1191.
The function of this semiconductor is MOSFET.
Manufacturer: Sanken electric
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Description
2SK1191 Absolute Maximum Ratings Symbol VDSS VGSS ID ID (pulse) PD EAS Tch Tstg Ratings 60 ± 20 ± 30 ± 120 (Tch 150ºC) (Ta = 25ºC) External dimensions 1 …… FM20 Electrical Characteristics Symbol V(BR) DSS I GSS I DSS VTH Re (yfs) RDS (on) Ciss Coss t on t off 2.0 13 20 0.021 2500 1200 180 120 0.028 min 60 ± 500 250 4.0 Ratings typ max Unit V nA µA V S Ω pF pF ns ns (Ta = 25ºC) Unit V V A A W mJ ºC ºC Conditions I D = 250µA, VGS = 0V VGS = ± 20V VDS = 60V, VGS = 0V VDS = 10V, I D = 250µA VDS = 10V, I D = 15A VGS = 10V, I D = 15A VDS = 25V, f = 1.0MHz, VGS = 0V I D = 15A, VDD = 30V, VGS = 10V, See Figure 2 on Page 5. 40 (Tc = 25ºC) – 38 150 –55 to +150 unclamped, VDD = 25V, L = 50µH, I L = 30A, *: See Figure 1 on Page 5. VDS — I D Characteristics 30 10V 5.5V 20 20 30 VGS — I D Characteristics 40 VDS = 10V 30 I D — RDS (ON) Characteristics VGS =10V RDS (ON) (mΩ) 0 2 4 TC = – 55ºC 25ºC 125ºC 6 8 10 I D (A) I D (A) 20 5V 10 VGS = 4.5V 0 10 […]