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Product Detailed Parameters
- Description：TRANS PNP 45V 0.5A SOT23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：620mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 100mA, 1V
- Power - Max：300 mW
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3 (TO-236)
- Grade：-
- Qualification：-
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Overview
The BCX17LT3G is a PNP bipolar junction transistor manufactured by onsemi, housed in an SOT-23 surface-mount package. It features a maximum DC collector current of 500 mA and a maximum collector-emitter voltage of 45 V. The device has a maximum collector-base voltage of -50 V and a maximum emitter-base voltage of -5 V. Power dissipation is rated at 300 mW. It operates as a single transistor with three pins and supports a maximum operating temperature of +150 °C.
Feature Summary
- PNP configuration for complementary switching applications
- SOT-23 surface-mount packaging for compact circuit integration
- High thermal stability supporting operation up to +150 °C
Applications
- General-purpose signal amplification
- Complementary output stages in audio circuits
- Switching applications in low-power logic interfaces
Procurement Notes
Verify the specific ordering suffix LT3G against official onsemi documentation to confirm the tape-and-reel packaging format. Ensure the component matches the required PNP type and SOT-23 footprint for your design. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before procurement.
Selection Notes
Select this component when a PNP transistor with 500 mA continuous current capability is required in a small SOT-23 package. The 45 V collector-emitter voltage rating suits low-voltage switching and amplification tasks. Consider the 300 mW power dissipation limit for thermal management in dense PCB layouts.
Part Context
This part belongs to the BCX series of general-purpose transistors from onsemi. The series offers various voltage and current ratings in standard packages like SOT-23 and TO-92. The BCX17 variant specifically targets applications requiring moderate current handling with reliable performance in consumer and industrial electronics.
Replacement Considerations
Compatible substitutes include other PNP transistors in SOT-23 packages with similar electrical characteristics, such as the BC856 or BC807 series, provided voltage and current ratings meet the circuit requirements.
