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Product Detailed Parameters
- Description：TRANS PREBIAS
- Series：*
- Mfr：Nexperia USA Inc.
- Package：Bulk
- Resistors Included：-
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：-
- Power - Max：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The PDTC143ZU/ZLX is an NPN Resistor-Equipped Transistor (RET) manufactured by Nexperia USA Inc. It integrates a single NPN transistor with built-in bias resistors in a compact SOT323 (SC-70) surface-mount package. The device features a collector-emitter voltage of 50 V and a continuous output current capability of 100 mA. Internal resistor values include R1 at 4.7 kΩ and R2 at 47 kΩ, yielding a typical bias resistor ratio of 10. The component operates within an ambient temperature range of -65 °C to +150 °C and supports junction temperatures up to 150 °C.
Feature Summary
- Integrates an NPN transistor with internal bias resistors to simplify circuit design
- Reduces overall component count and pick-and-place manufacturing costs
- Provides high DC current gain for efficient load switching applications
Applications
- Digital logic circuits in industrial segments
- Cost-effective replacement for BC847 series transistors
- Direct control of integrated circuit inputs
- General-purpose load switching
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging details such as reel or cut tape configuration. Confirm that the requested variant matches the standard non-automotive product specification rather than automotive qualified versions. Ensure compatibility with standard SMT assembly processes for the SC-70 package footprint.
Selection Notes
Select this component when space constraints require a small SOT323 package combined with discrete biasing functions. Verify that the required collector-emitter voltage does not exceed 50 V and that the load current remains within the 100 mA limit. Consider the thermal resistance characteristics if operating near maximum ambient temperature limits on standard FR4 PCBs.
Part Context
This part belongs to the Nexperia PDTC143Z family of resistor-equipped transistors. The ZU suffix specifically denotes the SOT323 (SC-70) plastic surface-mounted package variant. The PNP complement for this device is the PDTA143ZU. This family is designed to replace multiple discrete components with a single integrated solution.
Replacement Considerations
PDTC143ZT: Alternative version utilizing the SOT23 package.
FAQ
What are the specific values of the internal bias resistors?
The internal bias resistor R1 is typically 4.7 kΩ, and the internal bias resistor R2 is typically 47 kΩ.
Is this component suitable for automotive applications?
No, this specific product data sheet identifies the device as non-automotive. Automotive qualified versions are available with different suffixes.
What is the transition frequency of the built-in transistor?
The typical transition frequency (fT) is 230 MHz under standard test conditions.
