BD439 TO-126 Bipolar Transistors – BJT

From the shop's description

BD439 NPN Transistor , 60V 4A, TO-126 Package for Power Switching & Amplification Features: Voltage Rating: Maximum collector-emitter voltage of 60V, suitable for various power control applications. Current Handling: Capable of withstanding an average collector current of 4A, accommodating substantial load requirements. Transition Frequency: Transition frequency of 3MHz, enabling operation in high-speed switching applications. Package Type: Housed in a TO-126 package, allowing for through-hole mounting and effective heat dissipation. Specifications: TYPE DESCRIPTION Package Bulk Product Status Obsolete Transistor Type NPN Current – Collector (Ic) (Max) 4 A Voltage – Collector Emitter Breakdown (Max) 60 V Vce Saturation (Max) @ Ib, Ic 800mV @ 300mA, 3A Current – Collector Cutoff (Max) 100µA (ICBO) DC Current Gain (hFE) (Min) @ Ic, Vce 40 @ 500mA, 1V Power – Max 36 W Frequency – Transition 3MHz Operating Temperature -55°C ~ 150°C (TJ) Mounting Type Through Hole Package / Case TO-126-3 Supplier Device Package TO-126 Base Product Number BD439 Applications: Amplifiers: Suitable for audio and RF amplifier circuits requiring medium power handling. Switching Circuits: Used in power switching applications, including motor control and power supplies. Signal Processing: Employed in signal processing circuits where medium power amplification is needed. BD439 Datasheet