MPSW51A Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -50 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 1 W
• DC Current Gain (h_fe): 60
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The MPSW51A 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, base, and collector leads.
Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the MPSW51A is the MPSW01A.The 2SA1313 (SOT-23), 2SA1313-O (SOT-23), 2SA1313-Y (SOT-23), 2SB1115 (SOT-89), 2SB1115-YK (SOT-89), 2SB1115-YL (SOT-89), 2SB1115-YM (SOT-89), 2SB1122 (SOT-89), 2SB1122-R (SOT-89), 2SB1122-S (SOT-89), 2SB1122-T (SOT-89), 2SB1122-U (SOT-89), 2SB710A (SOT-23), 2SB710A-Q (SOT-23), 2SB710A-R (SOT-23), 2SB710A-S (SOT-23), 2SB766A (SOT-89), 2SB766A-Q (SOT-89), 2SB766A-R (SOT-89), 2SB766A-S (SOT-89), BC807 (SOT-23), BC807-16 (SOT-23), BC807-16W (SOT-323), BC807-25 (SOT-23), BC807-25W (SOT-323), BC807-40 (SOT-23), BC807-40W (SOT-323), BC807W (SOT-323), BCW68 (SOT-23), BCW68F (SOT-23), BCW68G (SOT-23), BCW68H (SOT-23), BCX17 (SOT-23), BSP60 (SOT-223), FMMT2907 (SOT-23), FMMT2907R (SOT-23), KN2907S (SOT-23), KTN2907S (SOT-23), KTN2907U (SOT-323), MMBT2907 (SOT-23), PMBT2907 (SOT-23) and PMST2907 (SOT-23) is the SMD version of the MPSW51A transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the MPSW51A with the BC527-10, BC527-16, BC527-25, BC528-10, BC528-16, BC528-25, MPS4355, MPS750, MPS750G, MPS751, MPS751G, MPSW51AG, ZTX550, ZTX790A, ZTX792A or ZTX951.The MPSW51AG transistor is the lead-free version of the MPSW51A.