BD135-16 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 45 V
• Collector-Base Voltage, max: 45 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1.5 A
• Collector Dissipation: 12.5 W
• DC Current Gain (h_fe): 100 to 250
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.The BD135-16 transistor can have a current gain of 100 to 250. The gain of the BD135 will be in the range from 40 to 250, for the BD135-10 it will be in the range from 63 to 160, for the BD135-6 it will be in the range from 40 to 100.The complementary PNP transistor to the BD135-16 is the BD136-16.The BCP54 (SOT-223), BCP54-16 (SOT-223), BCX54 (SOT-89) and BCX54-16 (SOT-89) is the SMD version of the BD135-16 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the BD135-16 with the 2SD1348, 2SD1682, 2SD1683, 2SD1722, 2SD1723, 2SD794, 2SD794A, BD131, BD135G, BD137, BD137-16, BD137G, BD139, BD139-16, BD139G, BD165, BD167, BD169, BD175, BD175-16, BD177, BD179, BD187, BD189, BD226, BD228, BD230, BD233, BD233G, BD235, BD235G, BD237, BD237G, BD375, BD375-16, BD377, BD377-16, BD379, BD379-16, BD785, BD787, BD787G, BD789, BDX35, BDX36, BDX37, KSD794, KSD794A, KSE181, KSE182, MJE181, MJE181G, MJE182, MJE182G, MJE225, MJE242, MJE721 or MJE722.