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Product Detailed Parameters
- Description：TRANS NPN SOT323
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Bulk
- 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/ZLX is a silicon NPN general-purpose bipolar junction transistor manufactured by Nexperia. It is housed in the SOT-323 (SC-70) surface-mount package. Key electrical parameters include a maximum collector current of 100 mA and a collector-emitter voltage of 45 V. The device features a collector-base voltage of 50 V and an emitter-base voltage of 5 V. Power dissipation is rated at 200 mW, with a gain-bandwidth product of 100 MHz. DC current gain is specified at 420 under test conditions of 2 mA and 5 V. The saturation voltage is 600 mV. Operating temperature ranges from -65°C to +150°C.
Feature Summary
- NPN polarity configuration for switching and amplification
- Small SOT-323 surface-mount plastic package
- Low current handling capability up to 100 mA
- Low voltage operation with 45 V collector-emitter rating
Applications
- General purpose switching circuits
- Amplifier applications
- Low-voltage signal processing
Procurement Notes
Verify the specific suffix ZLX against official Nexperia documentation to confirm packaging details and compliance status. Ensure the component matches the required SOT-323 footprint and electrical specifications for the target design. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability.
Selection Notes
Select this component for designs requiring a compact NPN transistor with moderate current capabilities. The SOT-323 package suits space-constrained PCB layouts. Consider the 100 mA limit and 45 V voltage rating when designing circuits. Verify thermal management requirements given the 200 mW power dissipation rating in the small package.
Part Context
This part belongs to the Nexperia BC850 series of NPN general-purpose transistors. It serves as a complement to PNP devices like the BC860C. The series is designed for low-power applications requiring reliable switching and amplification in consumer electronics and industrial control systems.
Replacement Considerations
The BC850C in SOT-23 package offers similar electrical characteristics but requires a different footprint. Check pin compatibility and thermal performance before substitution. No direct equivalent part numbers are confirmed in public sources for identical package replacement.
