Overview
The BSS123 is a MOSFET made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-23 package with 3 pins. 1 N-channel 1.4nC 100V 15pF 170mA 2.8V 29pF 2pF 350mW 6Ω@10V N-Channel SOT-23 MOSFETs ROHS.
PCBKit's library has its KiCad symbol (Transistor_FET:BSS123, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 116,899 are in stock at JLCPCB (part C79015).
Symbol
Footprint
From the datasheet
9- Drain-source, most
- 100 V · drain-source voltage, absolute max · p. 1
- Gate-source, most
- 20 V · gate-source voltage, ±20 V absolute max · p. 1
- Drain current, most
- 170 mA · continuous drain current at Ta = 25 °C, absolute max · p. 1
- Junction, hottest
- 150 °C · junction temperature, absolute max · p. 1
- Junction to air (SOT-23)
- 357 K/W · junction to ambient on FR4 with minimum recommended pads · p. 1
- Gate threshold
- 2.8 V · VDS = VGS, ID = 250 uA, max · p. 2
- On resistance
- 10 Ω · VGS = 4.5 V, ID = 0.17 A, max · p. 2
- On resistance
- 6 Ω · VGS = 10 V, ID = 0.17 A, max · p. 2
- Forward voltage
- 1.3 V · body diode, IS = 340 mA, VGS = 0 V, max · p. 2
Parts like it
8
BSS123
SOT-23-55℃~+150℃ 1 N-channel 1.4V 1.4nC@10V 100V 170mA 22pF 2pF 3.5pF 680mW 6Ω@10V、10Ω@4.5V N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETsBSS123
SOT-23-40℃~+150℃ 1 N-channel 1.61nC@10V 1.8V 100V 10pF 200mA 32pF 350mW 3Ω@10V 7pF SOT-23 MOSFETs ROHSMDDMOSFETsAS2324
SOT-23-55℃~+150℃ 1 N-channel 1.2W 100V 17pF 2A 310mΩ@4.5V 330pF 3V 5.3nC@0V N-Channel SOT-23 MOSFETs ROHSAnBonMOSFETs5N10-MS
SOT-23-55℃~+150℃ 1 N-channel 1.5V 100V 18nC@10V 2.5W 33pF 38pF 5A 765pF 90mΩ@10V N-Channel SOT-23 MOSFETs ROHSMSKSEMIMOSFETsPJM10H01PSA
SOT-23-55℃~+150℃ 1 P-Channel 100V 1A 2.5V 4nC@10V 500mW 650mΩ@10V P-Channel SOT-23 MOSFETs ROHSPJSEMIMOSFETsAP1002
SOT-23-55℃~+150℃ 1 N-channel 1.1W 100V 13pF 190pF 2.5V 22pF 250mΩ@10V 2A 5.2nC@10V SOT-23 MOSFETs ROHSALLPOWERMOSFETsBSS123
SOT-23-55℃~+150℃ 1 N-channel 1.8nC@10V 100V 15pF 2.5V 200mA 350mW 3Ω@10V 5pF SOT-23 MOSFETs ROHSFUXINSEMIMOSFETsBSS169H6327
SOT-23-55℃~+150℃ 1 N-channel 100V 12Ω@10V 170mA 360mW 68pF 7pF SOT-23 MOSFETs ROHSInfineon TechnologiesMOSFETs
Questions
Is there a KiCad symbol and footprint for the BSS123?
Yes. The symbol is Transistor_FET:BSS123 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.
What package is the BSS123?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the BSS123 datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the BSS123?
JLCPCB lists it as part C79015, with 116,899 in stock; the sellers' links on this page open their listings.
What can replace the BSS123?
Parts like it in the library: the BSS123 by hongjiacheng, the BSS123 by MDD, the AS2324 by AnBon and the 5N10-MS by MSKSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.