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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V TO92-3
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Box (TB)
- 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)：22 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：60 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：1µA
- Frequency - Transition：-
- Power - Max：500 mW
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
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Overview
The PDTC144WS,126 is an NPN resistor-equipped transistor from the PDTC144W series manufactured by NXP Semiconductors. It integrates a base bias resistor (R1) of 47 kΩ and an emitter-base resistor (R2) of 22 kΩ within a single SOT54 (TO-92) package. The device supports a maximum collector-emitter voltage (VCEO) of -50 V and a continuous DC output current (IO) of -100 mA. Key electrical characteristics include a DC current gain (hFE) of at least 60 at IC = 5 mA, a collector-emitter saturation voltage (VCEsat) of 150 mV max at IC = 10 mA, and a thermal resistance (Rth(j-a)) of 250 K/W in free air for the SOT54 package.
Feature Summary
- Built-in bias resistors simplify circuit design and reduce component count
- Reduces pick and place costs through integrated passive components
- Single-package solution for general purpose switching and amplification
Applications
- General purpose switching and amplification
- Inverter and interface circuits
- Circuit driver applications
Procurement Notes
Verify the specific ordering suffix '126' against official NXP documentation to confirm packaging details such as tape and reel specifications or bulk quantities. Ensure the source document explicitly defines this suffix, as standard datasheets may only list the base part number PDTC144WS without detailed packaging variants. Cross-reference with the manufacturer's latest product status information before finalizing procurement orders.
Selection Notes
Select the PDTC144WS variant when a through-hole TO-92 package is required for prototyping or low-volume assembly. The integrated 47 kΩ and 22 kΩ resistors eliminate external biasing components, reducing board space. Verify that the 100 mA current rating and 50 V voltage limits meet the application requirements. Consider the 250 K/W thermal resistance for heat dissipation calculations in free air environments.
Part Context
The PDTC144WS belongs to the broader PDTC144W series of NPN resistor-equipped transistors. This series includes multiple package options such as surface-mount types like SOT23, SOT323, and SOT416, alongside through-hole versions. All variants share identical internal electrical characteristics, including the 47 kΩ base resistor and 22 kΩ emitter-base resistor configuration, allowing for flexible PCB layout choices while maintaining consistent performance.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official cross-reference lists or contact NXP Semiconductors directly for verified equivalent components that match the specific electrical parameters and pinout configuration of the PDTC144WS.
