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Product Detailed Parameters
- Description：TRANS NPN 45V 0.2A SOT-23
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：200 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：550mV @ 1.25mA, 50mA
- Current - Collector Cutoff (Max)：20nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：250 @ 2mA, 5V
- Power - Max：250 mW
- Frequency - Transition：250MHz
- 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：-
- Qualification：-
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Overview
The BCX70J-TP is an NPN general-purpose bipolar junction transistor manufactured by Micro Commercial Components. It utilizes a surface-mount SOT-23-3 (SC-59) package, suitable for automated assembly processes. The device features a collector-emitter voltage rating of 45V and a continuous collector current capacity of 800mA. Maximum power dissipation is specified at 250mW under standard conditions. The component operates within a temperature range of -55°C to +150°C junction temperature. It includes an emitter-base voltage rating of 5V and exhibits a gain bandwidth product of 250MHz.
Feature Summary
- NPN polarity configuration for switching and amplification applications
- Compact SOT-23-3 surface-mount packaging for space-constrained designs
- High thermal stability with extended junction temperature range
Applications
- General-purpose signal amplification circuits
- Low-power switching applications in consumer electronics
- Driver stages for small-signal processing systems
Procurement Notes
Verify the specific manufacturer datasheet for the BCX70J-TP to confirm electrical characteristics and mechanical dimensions. Ensure compatibility with SOT-23-3 footprints during PCB layout. Cross-reference official documentation for absolute maximum ratings to prevent operational failure. Confirm RoHS compliance status through authorized supplier channels prior to integration into final products.
Selection Notes
Select this component when a compact NPN transistor with moderate current handling capabilities is required. The 45V collector-emitter voltage provides sufficient headroom for low-voltage logic interfaces. Consider the 250mW power dissipation limit for thermal management in enclosed environments. The SOT-23-3 package offers a balance between size and thermal performance for high-density board layouts.
Part Context
The BCX70J-TP belongs to the family of small-signal NPN transistors designed for versatile electronic applications. It serves as a common replacement or alternative in circuits requiring reliable switching and amplification. The part is widely utilized in portable devices and industrial control modules where space efficiency is critical. Its specifications align with standard industry requirements for general-purpose discrete semiconductors.
Replacement Considerations
The BCX71J-TP is the documented PNP complement within the same series. Verify pinout compatibility and electrical symmetry if substituting for complementary circuit designs. Consult official MCC documentation for direct cross-references to ensure functional equivalence in existing schematics.
