Power supply ON/OFF control and reverse connection protecting circuit (P-ch type)

Example of ON/OFF control and reverse connection protecting circuit using P-ch MOSFET for 12 V power lines

Downconverter

Lineup

U-MOS series -40 V / -60 V P-ch MOSFET

Part number Drain-source Voltage Drain current

On-resistance (Max)

@VGS = -10 V

Package
TJ90S04M3L -40 V -90 A 4.3 mΩ DPAK+
TJ60S06M3L -60 V -60 A 11.2 mΩ
XPH3R114MC -40 V -100 A 3.1 mΩ SOP Advance(WF)
TJ200F04M3L -40 V -200 A 1.8 mΩ TO-220SM(W)

General purpose small signal MOSFET

Part number SSM3K7002KF SSM3J168F SSM3J66MFV
Package

S-Mini
(SOT-346)

S-Mini
(SOT-346)

VESM
(SOT-723)

VDSS [V] 60 -60 -20
ID [A] 0.4 -0.4 -0.8

RDS(ON)

@|VGS| = 4.5 V [Ω]

Typ. 1.2 1.4 0.31
Max 1.75 1.9 0.39
Drive voltage [V] 4.5 -4.0 -1.2
Polarity N-ch P-ch P-ch

General purpose small signal bipolar transistor

Package SOT-23F

USM (SOT-323)

UFM (SOT-323F)*

S-Mini (SOT-346)
Classification |VCEO| [V] |IC| [mA] NPN PNP NPN PNP NPN PNP
General purpose 50 150     2SC4116 2SA1586 2SC2712 2SA1162
50 500         2SC3325 2SA1313
Low noise 120 100     2SC4117 2SA1587 2SC2713 2SA1163
High current 50 1700       2SA2195*    
50 2000   TTA501        
100 2500 TTC501          

Small signal bias resistor built-in transistor (BRT)

Part number NPN (BRT) PNP (BRT)
Package ES6 (SOT-563) RN1907FE RN2907FE
US6 (SOT-363) RN1901 RN2901
VCEO (Max) [V] 50 -50
IC [mA] 100 -100

TVS diode (for CAN communication)

Part number DF3D18FU DF3D29FU DF3D36FU
Package USM (SOT-323)
VESD [kV] @ISO 10605 ±30 ±30 ±20
VRWM (Max) [V] 12 24 28
Ct (Typ. / Max) [pF] 9 / 10 6.5 / 8
RDYN (Typ.) [Ω] 0.8 1.1 1.5

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