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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SOT323
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- 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)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：100mV @ 250µA, 5mA
- Current - Collector Cutoff (Max)：1µA
- Frequency - Transition：230 MHz
- Power - Max：200 mW
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
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Overview
The PDTC143ZU-QX is an NPN Resistor-Equipped Transistor (RET) manufactured by Nexperia, housed in a compact SOT-323 (SC-70) surface-mount package. It integrates bias resistors to simplify circuit design and reduce component count. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V, a continuous output current (IO) of 100 mA, and a total power dissipation (Ptot) of 200 mW at 25 °C ambient temperature. The internal resistor configuration consists of R1 = 4.7 kΩ and R2 = 47 kΩ, yielding a nominal ratio of 10. The device operates within a junction temperature range of -65 °C to +150 °C and features a transition frequency (fT) of 230 MHz.
Feature Summary
- Qualified according to AEC-Q101 for automotive applications
- Integrates built-in bias resistors to simplify circuit design
- Reduces overall component count and pick-and-place costs
Applications
- Digital applications in automotive and industrial segments
- Cost-saving alternative for BC847-Q series in digital applications
- Controlling IC inputs
- Switching loads
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging details such as reel size or tape width. Confirm that the requested variant matches the required AEC-Q101 qualification status if intended for automotive use. Cross-reference the marking code with the datasheet to ensure authenticity upon receipt.
Selection Notes
Select this component when a small form factor is required alongside integrated biasing functionality. Ensure the application voltage does not exceed the 50 V collector-emitter rating. Verify that the 100 mA output current capability meets the load requirements. Consider the thermal resistance characteristics if operating near the upper temperature limits.
Part Context
This part belongs to Nexperia's portfolio of NPN Resistor-Equipped Transistors designed for space-constrained designs. The 'Q' designation indicates qualification under the AEC-Q101 standard, making it suitable for automotive environments. It serves as a direct replacement for discrete transistor and resistor combinations in signal switching and logic interface circuits.
Replacement Considerations
The PDTA143ZU-Q is the PNP complement counterpart. For pin-compatible replacements, verify the package dimensions and electrical ratings match the original design constraints.
