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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)：47 kOhms
- Resistor - Emitter Base (R2)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：80 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：150mV @ 500µA, 10mA
- 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 PDTC144EU-QX is an NPN Resistor-Equipped Transistor (RET) housed in a compact SOT323 (SC-70) surface-mount package. It integrates bias resistors with a nominal R1 value of 47 kΩ and an R2/R1 ratio of 1, eliminating external components. The device supports a maximum collector-emitter voltage (VCEO) of 50 V and an output current (IO) of 100 mA. Qualified under AEC-Q101 standards, it operates within a junction temperature range up to 150 °C and features a transition frequency (fT) of 230 MHz.
Feature Summary
- Integrated bias resistors simplify circuit design by reducing component count and placement costs.
- Qualified according to AEC-Q101 for automotive applications.
- Small SOT323 (SC-70) plastic package minimizes PCB footprint.
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 suffix 'QX' against the manufacturer's official ordering information to confirm reel packaging specifications. Ensure compliance with RoHS directives and REACH regulations as documented in the product data sheet. Confirm that the SC-70 package dimensions align with the target PCB footprint requirements before finalizing procurement.
Selection Notes
Select this component when a small form factor is required for NPN switching or logic interfacing. The built-in 47 kΩ input resistor simplifies base drive circuits. Consider the 50 V collector-emitter voltage rating and 100 mA current capability to ensure adequate headroom for the intended load. Verify thermal dissipation limits if operating near maximum ratings.
Part Context
This part belongs to Nexperia’s portfolio of NPN Resistor-Equipped Transistors designed for digital signal processing and control. It serves as a direct replacement for discrete transistor-resistor combinations, offering space savings on printed circuit boards. The PNP complement for this device is the PDTA144EU.
Replacement Considerations
The PDTA144EU is the PNP complement. For equivalent NPN RETs, verify pinout compatibility with other SC-70 devices. Check datasheets for matching R1 values and voltage ratings when substituting similar parts from other manufacturers.
FAQ
What are the internal resistor values?
The device includes a built-in input bias resistor (R1) of 47 kΩ and an output bias resistor (R2) configured with an R2/R1 ratio of 1.
Is this component suitable for automotive use?
Yes, the PDTC144EU-Q is qualified according to the AEC-Q101 standard and is recommended for use in automotive applications.
What is the maximum power dissipation?
The total power dissipation (Ptot) is rated at 200 mW when the ambient temperature is 25 °C or lower.
