This is one of the MOSFET types. This is a kind of the transistor.
A1SHB is -20V, P-Channel MOSFET.
Part Number : HM2301B, Si2301DS
Marking : A1SHB
Function : P-Channel Trench Power MOSFET
Package : SOT-23 Type
Manufactures : H&M Semiconductor, Vishay
The A1SHB uses advanced trench technology to provide excellent RDS(ON), low gate charge and operation with gate voltages as low as -2.5V. This device is suitable for use as a battery protection or in other switching application.
1. VDS = -20V, ID =-2.5A
(1) RDS(ON) < 160mΩ @ VGS =-4.5V
(2) RDS(ON) < 230mΩ @ VGS =-2.5V
2. High Power and current handing capability
3. Lead free product is acquired
4. Surface Mount Package
1. Battery protection
2. Load switch
3. Power management
1. Drain-Source Voltage : VDS = -20
2. Gate-Source Voltage : VGS = ±8V
3. Continuous Drain Current : ID = -2.3
4. Maximum Power Dissipation : PD = 0.35 W