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Product Detailed Parameters
- Description：TRANS NPN 25V 0.8A SOT-23-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：800 mA
- Voltage - Collector Emitter Breakdown (Max)：25 V
- Vce Saturation (Max) @ Ib, Ic：700mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce：160 @ 100mA, 1V
- Power - Max：310 mW
- Frequency - Transition：100MHz
- Operating Temperature：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 BC81825MTF is a PNP bipolar junction transistor manufactured by onsemi. It features a maximum collector current of 0.8 A and a collector-emitter voltage rating of 25 V. The device utilizes an SOT-23 surface-mount package, designated as JESD-30 code R-PDSO-G3. It provides a minimum DC current gain (hFE) of 100. The component is lead-free, RoHS compliant, and classified as a commercial-grade small signal transistor.
Feature Summary
- PNP configuration for general-purpose amplification
- High current capability up to 0.8 A
- Compact SOT-23 surface-mount footprint
Applications
- General-purpose amplification circuits
- Switching applications in low-voltage systems
- Signal processing stages requiring PNP topology
Procurement Notes
Verify the manufacturer designation matches onsemi specifications. Confirm the suffix MTF corresponds to the required tape-and-reel packaging format. Ensure the component meets RoHS and lead-free compliance requirements for the target assembly process. Cross-reference the datasheet electrical characteristics against design constraints.
Selection Notes
Select this component when a PNP transistor with 25 V breakdown and 0.8 A continuous current is required. The SOT-23 package suits space-constrained printed circuit board layouts. Verify that the minimum hFE of 100 satisfies the circuit's biasing requirements. Consider thermal dissipation limits within the plastic epoxy encapsulation during operation.
Part Context
This part belongs to the BC818 series of small-signal NPN/PNP transistors designed for versatile electronic applications. The BC81825 variant specifically denotes the PNP counterpart with standardized electrical ratings. It serves as a fundamental active element in analog and digital switching designs across consumer and industrial electronics.
Replacement Considerations
Compatible substitutes include the BC80825MTF from Fairchild or Rochester Electronics. These parts share identical electrical ratings and pin configurations. Verify package compatibility and manufacturer-specific parameter tolerances before implementation.
