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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A SOT-23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：100µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：110 @ 2mA, 5V
- Power - Max：350 mW
- Frequency - Transition：330MHz
- 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
- Grade：-
- Qualification：-
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Overview
The BCW71_D87Z is a PNP silicon epitaxial transistor manufactured by onsemi, categorized under Bipolar Junction Transistors (BJT). It utilizes an SMD/SMT mounting style within an SOT-23-3 package. The device features a maximum collector-emitter voltage (VCEO) of -45 V and a collector-base voltage (VCBO) of -45 V. The emitter-base voltage (VEBO) rating is -5 V. Maximum DC collector current is specified at 0.5 A, with a collector-emitter saturation voltage of 0.55 V. The component operates between -55°C and +150°C, offering a DC current gain (hFE) up to 630.
Feature Summary
- PNP polarity configuration for single-transistor applications
- Epitaxial silicon construction for reliable switching performance
- Compact SOT-23-3 surface-mount packaging
Applications
- General-purpose switching circuits
- Low-voltage amplifier stages
- Signal processing interfaces
Procurement Notes
Verify the specific suffix D87Z against official manufacturer documentation to confirm reel specifications and tape-and-reel dimensions. Ensure the ordering part number matches the exact electrical characteristics required for the design. Cross-reference the datasheet revision date to validate parameter consistency before finalizing procurement orders.
Selection Notes
Select this component when a PNP transistor with a 45 V collector-emitter breakdown voltage and 0.5 A continuous current capability is required. The SOT-23-3 package is suitable for space-constrained printed circuit board layouts. Verify that the operating temperature range of -55°C to +150°C aligns with the environmental conditions of the target application.
Part Context
This component belongs to the BCW series of small-signal bipolar transistors produced by onsemi. These devices are engineered for general-purpose amplification and switching tasks in consumer and industrial electronics. The BCW71 variant specifically provides PNP functionality within a standard three-terminal surface-mount footprint.
Replacement Considerations
Consult official substitution guides for compatible PNP transistors with identical pinouts and comparable voltage/current ratings. Verify thermal resistance and package compatibility before integrating alternative components into existing designs.
