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Product Detailed Parameters
- Description：TRANS PNP 45V 0.1A SOT-23
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Bulk
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：650mV @ 5mA, 100mA
- Current - Collector Cutoff (Max)：15nA
- DC Current Gain (hFE) (Min) @ Ic, Vce：420 @ 2mA, 5V
- Power - Max：310 mW
- Frequency - Transition：200MHz
- 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
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC857CHE3-TP is a PNP small signal transistor manufactured by Micro Commercial Components in an SOT-23 package. It features a collector current of -100 mA and peak currents of -200 mA. Voltage ratings include VCEO at -45 V, VCBO at -50 V, and VEBO at -5 V. The device operates within a junction temperature range of -55°C to +150°C with a power dissipation of 310 mW at 50°C. Electrical characteristics specify a DC current gain (hFE) ranging from 420 to 800 at IC=-2mA, and a transition frequency (fT) between 100 MHz and 200 MHz.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- Halogen-free 'Green' device compliant with environmental regulations
- Epoxy material meets UL 94 V-0 flammability rating
- Moisture sensitivity level 1 for standard surface mount processing
Applications
- General purpose switching circuits
- Audio frequency amplifier stages
- Driver applications for sensors and relays
Procurement Notes
Verify the authenticity of the BC857CHE3-TP by purchasing exclusively from Micro Commercial Components or their authorized distributors. Counterfeit components are prevalent; unauthorized sources lack traceability and quality assurance. Confirm that the ordering suffix '-TP' corresponds to the Tape & Reel packaging format containing 3,000 pieces per reel as specified in the manufacturer's documentation.
Selection Notes
Select this component when high DC current gain is required for low-level signal amplification. The AEC-Q101 qualification makes it suitable for automotive environments where robustness is critical. Ensure the design accommodates the specific hFE range of 420 to 800 and the thermal constraints defined by the 310 mW power dissipation limit at elevated ambient temperatures.
Part Context
This part belongs to the BC857HE3 series, which includes variants BC857AHE3 and BC857BHE3. These devices share identical maximum ratings and package dimensions but differ in their DC current gain specifications. The BC857CHE3 variant offers the highest gain band among the family, distinguishing it from the lower gain options available in the same product line.
Replacement Considerations
Direct substitutes within the same family include BC857AHE3 and BC857BHE3. Note that these alternatives possess different minimum and maximum hFE values compared to the BC857CHE3. Verify that the circuit design tolerates the specific gain variations associated with these replacement parts.
