BC212A Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -50 V
• Collector-Base Voltage, max: -60 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.2 A
• Collector Dissipation: 0.3 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 200 MHz
• Noise Figure, max: 10 dB
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-92

The BC212A 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 2SA812 (SOT-23), FJX733 (SOT-323) and KSA812 (SOT-23) is the SMD version of the BC212A transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the BC212A with the 2SA1283, 2SA1284, 2SA1317, 2SA1318, 2SA1391, 2SA1392, 2SA1450, 2SA1522, 2SA1523, 2SA1524, 2SA1525, 2SA1526, 2SA1527, 2SA1528, 2SA1529, 2SA1534A, 2SA1619A, 2SA684, 2SA720, 2SA935, 2SA953, 2SA954, 2SA984, 2SA984K, 2SA993, 2SB1229, 2SB560, 2SB647, 2SB740, 2SB764, 2SB892, 2SB985, BC212, KSA708C, KSP2907AC, KSP8598C, KSP8599C or KTB764.