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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V TO236AB
- 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)：10 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：1µA
- Frequency - Transition：230 MHz
- Power - Max：250 mW
- Grade：Automotive
- Qualification：AEC-Q101
- 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 PDTC144ET/DG/B4,21 is an NPN Resistor-Equipped Transistor (RET) from the PDTC144E series, manufactured by Nexperia. It integrates a single NPN transistor with built-in bias resistors in a SOT23 surface-mounted device plastic package. The component features a collector-emitter voltage (VCEO) of 50 V and a continuous output current capability of 100 mA. The internal bias network consists of an input resistor R1 of 47 kΩ and a bias resistor ratio (R2/R1) of 1. Key electrical characteristics include a minimum DC current gain (hFE) of 80 at IC = 5 mA and VCE = 5 V, and a transition frequency (fT) of 230 MHz at IC = 10 mA. The device supports a junction temperature up to 150 °C and total power dissipation of 250 mW.
Feature Summary
- Integrates NPN transistor with built-in bias resistors to reduce component count and simplify circuit design.
- AEC-Q101 qualified for reliability in automotive applications.
- Provides cost-saving alternative to discrete BC847/857 series components in digital switching applications.
Applications
- Digital applications in automotive and industrial segments
- Control of IC inputs
- Switching loads
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and packing method. Ensure compatibility with AEC-Q101 requirements if used in automotive designs. Confirm RoHS compliance status through the latest product data sheet revision before finalizing procurement specifications.
Selection Notes
Select this component when a compact NPN switching solution with integrated base biasing is required. The SOT23 package offers a small footprint suitable for space-constrained PCB layouts. Consider the 47 kΩ input resistance and unity bias ratio for logic level interface applications requiring simplified drive circuits.
Part Context
This part belongs to the Nexperia PDTC144E series of NPN resistor-equipped transistors. The series includes variants in different packages such as SOT416, SOT883, and SOT323. The PDTC144ET specifically utilizes the SOT23 package, which is a standard three-lead surface-mount configuration widely used in consumer and industrial electronics for general-purpose switching tasks.
Replacement Considerations
Publicly confirmed substitutes within the same family include PDTC144EE, PDTC144EM, and PDTC144EU, provided the package form factor matches the design constraints. Direct pin-compatible replacements from other manufacturers are not explicitly listed in the provided datasheet; verify equivalent electrical parameters independently.
