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Product Detailed Parameters
- Description：BIAS RESISTOR TRANSISTORS (BRT)
- Series：NSBCMXW
- Mfr：onsemi
- Package：Bulk
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：4.7 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：35 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 300µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：-
- Power - Max：450 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：3-XFDFN
- Supplier Device Package：3-XDFNW (1x1)
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Overview
The NSBC143XMXWTBG is a single NPN digital transistor from the onsemi NSBCMXW series, housed in an XDFNW3 (DFN-3) surface-mount package. It features a typical input resistance of 4.7 kOhms and a resistor ratio of 0.47. The device supports a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. DC collector/base gain (hFE) is specified at a minimum of 35 at 5 mA and 10 V. Power dissipation reaches 450 mW, with an operating temperature range spanning from -65 C to +150 C.
Feature Summary
- Integrates a single NPN bipolar junction transistor with built-in biasing resistors for simplified circuit design.
- Utilizes an XDFNW3 (DFN-3) compact surface-mount package suitable for space-constrained applications.
- Designed for high thermal stability with a maximum junction temperature rating of +150 C.
Applications
- General-purpose switching circuits requiring pre-biased NPN configuration.
- Low-voltage logic interface applications within 50 V systems.
- Embedded control boards utilizing SMD/SMT assembly processes.
Procurement Notes
Verify the specific ordering suffix against official onsemi documentation to confirm package type and tape/reel specifications. Ensure compatibility with RoHS requirements by checking the detailed compliance data provided in the manufacturer's datasheet. Confirm that the XDFNW3 footprint matches your PCB layout constraints before finalizing procurement decisions.
Selection Notes
Select this component when a single NPN digital transistor with a 4.7 kOhm base resistor is required in a DFN-3 package. Consider the 50 V VCEO and 100 mA Ic limits for appropriate load handling. Evaluate the 450 mW power dissipation capability relative to your thermal management strategy and ambient operating conditions.
Part Context
This part belongs to the NSBCMXW series of digital transistors from onsemi. These devices combine transistors and resistors into single packages to reduce board space and assembly costs. The NSBC143XMXWTBG specifically denotes the NPN configuration with defined internal resistance values within this product family.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains the same NPN polarity, 50 V rating, and DFN-3 footprint. Verify that internal resistor ratios match the original 0.47 specification to preserve circuit timing and biasing characteristics.
