2SD1622-S Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 140 to 280
• Transition Frequency, min: 150 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-89

Here is an image showing the pin diagram of this transistor.The 2SD1622-S transistor can have a current gain of 140 to 280. The gain of the 2SD1622 will be in the range from 100 to 560, for the 2SD1622-R it will be in the range from 100 to 200, for the 2SD1622-T it will be in the range from 200 to 400, for the 2SD1622-U it will be in the range from 280 to 560.The 2SD1622-S transistor is marked as "DES".The complementary PNP transistor to the 2SD1622-S is the 2SB1122-S.You can replace the 2SD1622-S with the 2SC3444, 2SD1615, 2SD1615A, 2SD1623, 2SD1623-S, 2SD1624, 2SD1624-S, 2SD874A, BSR41, BSR43 or KTC4378.