KTC3199 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 50 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.15 A
• Collector Dissipation: 0.4 W
• DC Current Gain (h_fe): 70 to 700
• Transition Frequency, min: 80 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92
• Electrically Similar to the Popular 2SC3199 transistor

The KTC3199 is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, collector, and base leads.
Here is an image showing the pin diagram of this transistor.The KTC3199 transistor can have a current gain of 70 to 700. The gain of the KTC3199BL will be in the range from 300 to 700, for the KTC3199GR it will be in the range from 200 to 400, for the KTC3199O it will be in the range from 70 to 140, for the KTC3199Y it will be in the range from 120 to 240.The complementary PNP transistor to the KTC3199 is the KTA1267.The 2SC2712 (SOT-23), 2SC4116 (SOT-323), 2SC4738 (SOT-23), FJX945 (SOT-323), KTC3875 (SOT-23) and KTC3875S (SOT-23) is the SMD version of the KTC3199 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the KTC3199 with the 2SC1815, 2SC2458, 2SC3198, 2SC3199, 2SC3916, 2SC3917, 2SC3918, 2SC3919, 2SC3920, 2SC3921, 2SC3922, 2SC3923, C1815, C945, KSC1815, KSC945C or KTC3198.