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Product Detailed Parameters
- Description：TRANS SOT323
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
- Grade：-
- Qualification：-
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Overview
The BC850CW/ZLF is an NPN silicon small-signal transistor manufactured by Nexperia. It is housed in a SOT-323 (SC-70) surface-mount package. The device supports a maximum collector current of 100 mA and a collector-emitter voltage of 45 V. Key electrical parameters include a collector-base voltage of 50 V, an emitter-base voltage of 5 V, and a power dissipation of 200 mW. The component features a minimum DC current gain (hFE) of 420 at 2 mA and 5 V, with a transition frequency (fT) of 100 MHz. It operates within a temperature range of -65 °C to +150 °C.
Feature Summary
- Low noise performance suitable for sensitive signal applications
- High DC current gain for efficient amplification
- Small outline plastic package for compact board layouts
Applications
- General purpose switching circuits
- Audio pre-amplification stages
- Signal conditioning modules
Procurement Notes
Verify the ZLF suffix indicates lead-free compliance against the official datasheet. Confirm the specific tape-and-reel quantity matches project requirements. Ensure the SOT-323 footprint aligns with the PCB design. Check for any automotive qualification markings if required for the target application environment.
Selection Notes
Select this component for designs requiring low noise characteristics in a minimal footprint. Compare the 200 mW power dissipation limit against thermal constraints. Verify that the 45 V breakdown voltage exceeds peak circuit voltages. Consider the BC850C variant if a larger SOT-23 package is acceptable for improved thermal handling.
Part Context
This part belongs to the BC850 series of NPN general-purpose transistors from Nexperia. It serves as the PNP complement to the BC855C series. The device is widely used in consumer electronics and industrial control systems where space-saving surface-mount technology is essential for signal processing tasks.
Replacement Considerations
The BC850CW/T3 is a confirmed substitute part number listed in public documentation. Verify pinout compatibility and parameter equivalence before substitution.
