Jiangsu Changjing Electronics Technology (CJ)Extended
-55℃~+150℃ 1 N-channel 220mA 27pF 350mW 50V 6pF 6Ω@4.5V 800mV SOT-23 MOSFETs ROHS
The BSS138 is a MOSFET made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-23 package with 3 pins. -55℃~+150℃ 1 N-channel 220mA 27pF 350mW 50V 6pF 6Ω@4.5V 800mV SOT-23 MOSFETs ROHS.
PCBKit's library has its KiCad symbol (Transistor_FET:BSS138, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 48,367 are in stock at JLCPCB (part C78284). 2 open-source boards in 1 repository on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Drain-Source Voltage VDS | Ta=25℃ | max 50 V | 1 |
| Continuous Gate-Source Voltage VGSS | Ta=25℃; ±20 V | min -20 · max 20 V | 1 |
| Continuous Drain Current ID | Ta=25℃ | max 0.22 A | 1 |
| Power Dissipation PD | Ta=25℃ | max 0.35 W | 1 |
| Thermal Resistance from Junction to Ambient RθJA | SOT-23; Ta=25℃ | max 357 ℃/W | 1 |
| Operating Temperature Tj | max 150 ℃ | 1 | |
| Storage Temperature Tstg | min -55 · max 150 ℃ | 1 | |
| Drain-source breakdown voltage V(BR)DSS | Ta =25 ℃; VGS = 0V, ID =250uA | min 50 V | 2 |
| Gate-body leakage IGSS | Ta =25 ℃; VDS =0V, VGS =±20V; maximum magnitude | max 100 nA | 2 |
| Zero gate voltage drain current IDSS | Ta =25 ℃; VDS =50V, VGS =0V | max 0.5 uA | 2 |
| Zero gate voltage drain current IDSS | Ta =25 ℃; VDS =30V, VGS =0V | max 100 nA | 2 |
| Gate-threshold voltage (note 1) VGS(th) | Ta =25 ℃; VDS =VGS, ID =1mA | min 0.8 · max 1.5 V | 2 |
| Static drain-source on-resistance (note 1) RDS(on) | Ta =25 ℃; VGS =10V, ID =0.22A | max 3.5 Ω | 2 |
| Static drain-source on-resistance (note 1) RDS(on) | Ta =25 ℃; VGS =4.5V, ID =0.22A | max 6 Ω | 2 |
| Forward transconductance (note 1) gFS | Ta =25 ℃; VDS =10V, ID =0.22A | min 0.12 S | 2 |
| Input capacitance Ciss | Ta =25 ℃; VDS =25V,VGS =0V, f=1MHz; note 2 | typ 27 pF | 2 |
| Output capacitance Coss | Ta =25 ℃; VDS =25V,VGS =0V, f=1MHz; note 2 | typ 13 pF | 2 |
| Reverse transfer capacitance Crss | Ta =25 ℃; VDS =25V,VGS =0V, f=1MHz; note 2 | typ 6 pF | 2 |
| Turn-on delay time (note 1,2) td(on) | Ta =25 ℃; VDD=30V, VDS=10V, ID =0.29A,RGEN=6Ω | max 5 ns | 2 |
| Rise time (note 1,2) tr | Ta =25 ℃; VDD=30V, VDS=10V, ID =0.29A,RGEN=6Ω | max 18 ns | 2 |
| Turn-off delay time (note 1,2) td(off) | Ta =25 ℃; VDD=30V, VDS=10V, ID =0.29A,RGEN=6Ω | max 36 ns | 2 |
| Fall time (note 1,2) tf | Ta =25 ℃; VDD=30V, VDS=10V, ID =0.29A,RGEN=6Ω | max 14 ns | 2 |
| Body diode forward voltage (note 1) VSD | Ta =25 ℃; IS=0.44A, VGS = 0V | max 1.4 V | 2 |
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
Yes. The symbol is Transistor_FET:BSS138 and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOT-23, with 3 pins. Its footprint is drawn on this page.
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C78284, with 48,367 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the 2N7002K by hongjiacheng, the BSS138 by hongjiacheng, the 2N7002K by Diodes Incorporated and the BSS138P by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.