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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V TO236AB
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：250 mW
- Grade：Automotive
- Qualification：AEC-Q100
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：TO-236AB
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Overview
The PDTC143ZT is an NPN Resistor-Equipped Transistor (RET) housed in a SOT23 surface-mounted plastic 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, an output current (IO) of 100 mA, and total power dissipation (Ptot) of 250 mW at 25 °C. The input bias resistor R1 has a typical value of 4.7 kΩ with a range of 3.3–6.1 kΩ, while the bias resistor ratio (R2/R1) typically equals 10. The device operates within an ambient temperature range of -65 °C to +150 °C and features AEC-Q101 qualification.
Feature Summary
- AEC-Q101 qualified for automotive applications
- Built-in bias resistors simplify circuit design
- Reduces component count and pick-and-place costs
Applications
- Digital applications in industrial segments
- Cost-saving alternative for BC847 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 part number matches the exact pin configuration and marking code required for the target PCB footprint. Ensure compliance with RoHS directives and check for any recent product status changes or obsolescence notices before finalizing procurement plans.
Selection Notes
Select this component when a compact NPN switching solution with integrated base biasing is required. The built-in resistors eliminate the need for external components, reducing board space and assembly complexity. Verify that the 50 V voltage rating and 100 mA current capability meet the specific load requirements of the application circuit.
Part Context
This device belongs to the Nexperia Resistor-Equipped Transistor (RET) family, designed to replace discrete transistor and resistor combinations. The PNP complement for this NPN device is the PDTA143ZT. Both devices share similar electrical characteristics and package dimensions, allowing for flexible design choices in complementary circuits.
Replacement Considerations
Direct functional equivalents include the PDTA143ZT for PNP applications. Other RETs from the same family may serve as alternatives if resistor values differ. Verify pin compatibility and thermal performance when substituting with devices from other manufacturers.
FAQ
What are the nominal values for the built-in bias resistors?
The input bias resistor R1 has a typical value of 4.7 kΩ, and the bias resistor ratio R2/R1 is typically 10.
Is this component suitable for automotive applications?
Yes, the PDTC143ZT is qualified according to the AEC-Q101 standard and is suitable for use in automotive applications.
What is the maximum power dissipation at 25 °C?
The total power dissipation (Ptot) is 250 mW when the ambient temperature is 25 °C.
