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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.1A SMT3
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Resistors Included：R1 Only
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：2.2 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 20mA, 5V
- Vce Saturation (Max) @ Ib, Ic：150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：1µA
- Frequency - Transition：-
- Power - Max：250 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SMT3; MPAK
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Overview
The PDTA123TK,115 is a PNP Resistor-Equipped Transistor (RET) from the PDTA123T series, manufactured by Nexperia. It features a built-in input bias resistor (R1) of 2.2 kΩ with R2 open. The device operates in the SOT346 (SC-59A/TO-236) surface-mount package. Key electrical parameters include a collector-emitter voltage (VCEO) of -50 V and a continuous output current (IO) of -100 mA. The total power dissipation is rated at 250 mW at 25 °C ambient temperature, with a maximum junction temperature of 150 °C. The DC current gain (hFE) has a minimum value of 30 at IC = -20 mA.
Feature Summary
- Integrates a single internal bias resistor to simplify circuit design and reduce component count.
- Provides cost-saving alternative for discrete transistor applications in digital switching.
- Supports reflow soldering methods for automated pick-and-place assembly.
Applications
- General purpose switching and amplification
- Inverter and interface circuits
- Controlling IC inputs
- Switching loads
Procurement Notes
Verify the manufacturer designation as Nexperia B.V., which succeeded the NXP Standard Product business in February 2017. Confirm the specific ordering suffix ',115' corresponds to the standard tape and reel packing method for the SOT346 package variant. Ensure compatibility with the SC-59A footprint dimensions during PCB layout verification.
Selection Notes
Select this component when a PNP configuration with an integrated base resistor is required for space-constrained designs. The SOT346 package offers a compact form factor suitable for surface-mount technology. Consider the 2.2 kΩ input resistance value for appropriate base drive current calculations in low-power digital logic interfacing scenarios.
Part Context
This part belongs to the PDTA123T series of PNP resistor-equipped transistors. The series includes various package options such as SOT23, SOT323, and SOT883. The PDTA123TK specifically utilizes the SOT346 package, providing a standardized leaded-compatible footprint adapted for surface mounting. It serves as a direct replacement for discrete PNP transistors requiring external biasing networks.
Replacement Considerations
The NPN complement for this device is the PDTC123TK. Designers replacing discrete BC857 series transistors should verify that the integrated 2.2 kΩ resistor matches their existing bias requirements without modification to the surrounding circuitry.
