2SC3503-E C3503 New TO-126 5PCS/LOT, www.iccfl.com
2SC3503 - Transistor, NPN, 300V, 0.1A, 7W, TO126
2SA1381 2SC3503 A1381 C3503 New Pair 5PCS/LOT, www.iccfl.com
2SC3503 NPN High Frequency Medium Power Transistor Max Working Voltage = 300 Volts, Max Collector-current = 100 mA, Max Power Dissipation = 7 Watts Gain-Bandwidth Product fT - 150 Mhz | MYPCB