Datasheet
KSH122 / KSH122I — NPN Silicon Darlington Transistor
© 2002 Fairchild Semiconductor Corporation www.fairchildsemi.com
KSH122 / KSH122I Rev. 1.1.0 1
November 2013
KSH122 / KSH122I
NPN Silicon Darlington Transistor
Features
• D-PAK for Surface Mount Applications
• High DC Current Gain
• Built-in Damper Diode at E-C
• Lead Formed for Surface Mount Applications (No Suffix)
• Straight Lead (I-PAK, “ - I ” Suffix)
• Electrically Similar to Popular TIP122
• Complement to KSH127
Applications
• Switching Regulators
• Converters
• Power Amplifiers
Ordering Information
Part Number Top Mark Package Packing Method
KSH122TF KSH122 TO-252 3L (DPAK) Tape and Reel
KSH122TM KSH122 TO-252 3L (DPAK) Tape and Reel
KSH122ITU KSH122-I TO-251 3L (IPAK) Rail
Description
Designed for general-purpose power and switching, such
as output or driver stages in applications.
1.Base 2.Collector 3.Emitter
D-PAK I-PAK
11
Equivalent Circuit
B
E
C
R1
R2
R1 8kΩ≅
R2 0.12kΩ≅