DS30366 Rev. 5 - 2 1 of 3 BSS123
www.diodes.com ã Diodes Incorporated
BSS123
N-CHANNEL ENHANCEMENT MODE FIELD EFFECT
TRANSISTOR
Features
·Low Gate Threshold Voltage
·Low Input Capacitance
·Fast Switching Speed
·Low Input/Output Leakage
·High Drain-Source Voltage Rating
·Available in Lead Free/RoHS Compliant Version (Note 2)
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic Symbol BSS123 Units
Drain-Source Voltage VDSS 100 V
Drain-Gate Voltage RGS £ 20KWVDGR 100 V
Gate-Source Voltage Continuous VGSS ±20 V
Drain Current (Note 1) Continuous
Pulsed
ID
IDM
170
680 mA
Total Power Dissipation (Note 1) Pd300 mW
Thermal Resistance, Junction to Ambient (Note 1) RqJA 417 °C/W
Operating and Storage Temperature Range Tj,T
STG -55 to +150 °C
·Case: SOT-23
·Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
·Moisture Sensitivity: Level 1 per J-STD-020C
·Terminals: Solderable per MIL-STD-202, Method 208
·Also Available in Lead Free Plating (Matte Tin Finish
annealed over Alloy 42 leadframe). Please see Ordering
Information, Note 5, on Page 3
·Terminal Connections: See Diagram
·Marking: K23 (See Page 3)
·Ordering & Date Code Information: See Page 3
·Weight: 0.008 grams (approximate)
Mechanical Data
TCUDORPWEN
Note: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead.
SOT-23
Dim Min Max
A0.37 0.51
B1.20 1.40
C2.30 2.50
D0.89 1.03
E0.45 0.60
G1.78 2.05
H2.80 3.00
J0.013 0.10
K0.903 1.10
L0.45 0.61
M0.085 0.180
a0°8°
All Dimensions in mm
A
E
JL
TOP VIEW
M
BC
H
G
D
K
D
GS
Source
Gate
ra
n