2SC4209-Y Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.3 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 120 to 240
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The 2SC4209-Y transistor can have a current gain of 120 to 240. The gain of the 2SC4209 will be in the range from 70 to 240, for the 2SC4209-O it will be in the range from 70 to 140.The 2SC4209-Y transistor is marked as "CY".The complementary PNP transistor to the 2SC4209-Y is the 2SA1620-Y.You can replace the 2SC4209-Y with the 2N5551S, FMMT455, FMMT620, FMMT624, FMMT625, FMMTA06, KST06, KST5550, KST5551, MMBT5550, MMBT5551, MMBTA06, PBHV8115T, PMBT5550, PMBT5551, PMBTA06 or SMBTA06.