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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 PDTC144EU is an NPN Resistor-Equipped Transistor (RET) housed in a SOT323 (SC-70) surface-mounted package. It integrates bias resistors R1 and R2, both nominally 47 kΩ, to simplify circuit design. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V and an output current capability of 100 mA. The device features a DC current gain (hFE) of at least 80 at IC = 5 mA and a transition frequency (fT) typically rated at 230 MHz. Total power dissipation is limited to 200 mW at 25 °C ambient temperature.
Feature Summary
- Integrates built-in bias resistors to reduce component count and simplify circuit design.
- Provides 100 mA output current capability within a compact SOT323 plastic package.
- Offers cost-saving alternative for discrete transistor configurations in digital applications.
Applications
- Digital applications in industrial segments
- Controlling IC inputs
- Switching loads
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current catalog to ensure correct packaging and marking codes. Confirm that the procurement channel provides authentic Nexperia products with valid traceability documentation. Check for any recent revision history updates that may affect pinning or thermal characteristics before finalizing orders.
Selection Notes
Select this component when space constraints require a small SOT323 package and integrated biasing is desired. Ensure the application voltage does not exceed the 50 V collector-emitter rating. Verify that the required switching speed aligns with the typical 230 MHz transition frequency. Consider the 200 mW power dissipation limit relative to the expected operating ambient temperature.
Part Context
This part belongs to the PDTC144E series of resistor-equipped transistors. It serves as the NPN complement to the PDTA144EU PNP variant. The device replaces discrete base-bias networks in standard digital logic interfaces, consolidating multiple components into a single three-lead surface-mount package for improved assembly efficiency.
Replacement Considerations
Publicly confirmed substitute part numbers are not explicitly listed in the provided datasheet. Designers should consult official Nexperia cross-reference guides or distributor compatibility lists for verified equivalents. Ensure any replacement maintains identical pinout configuration and electrical ratings to avoid redesign.
FAQ
What are the nominal values of the internal bias resistors?
The internal bias resistors R1 (input) and R2 are both nominally 47 kΩ.
What is the maximum collector-emitter voltage rating?
The maximum collector-emitter voltage (VCEO) with an open base is 50 V.
Does this component have automotive qualification?
No, the product data sheet states the product is non-automotive qualified unless specifically designated with a -Q suffix.
