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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.5A SMT3
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：1 kOhms
- Resistor - Emitter Base (R2)：1 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：33 @ 50mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max)：500nA
- 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 PDTD113EK is an NPN Resistor-Equipped Transistor (RET) from the 500 mA family, housed in a SOT346 (SC-59A/TO-236) surface-mount package. It integrates two bias resistors: R1 (input) at 1 kΩ and R2 with a ratio of 1 relative to R1. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V, a DC output current capability of 500 mA, and a total power dissipation of 250 mW at 25 °C ambient temperature. The device features a thermal resistance from junction to ambient of 500 K/W and operates within an ambient temperature range of -65 °C to +150 °C.
Feature Summary
- Built-in bias resistors reduce component count and simplify circuit design.
- Provides ±10% resistor ratio tolerance for consistent performance.
- Offers cost-saving alternative for BC817 series in digital applications.
Applications
- Controlling IC inputs
- Switching loads
- Digital applications in automotive and industrial segments
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current product database to confirm availability and exact packing configuration. The 'EK' suffix denotes the SOT346 package variant. Confirm that the required tape and reel specifications align with automated pick-and-place manufacturing processes before finalizing procurement orders.
Selection Notes
Select this component when a compact NPN switching solution with integrated base and emitter resistors is required. Ensure the application logic levels match the specified on-state input voltage characteristics. Verify that the 500 mA continuous current rating and 50 V breakdown voltage are sufficient for the intended load conditions and system voltages.
Part Context
This part belongs to the PDTD113E series of NPN resistor-equipped transistors. It serves as a digital logic interface component designed to replace discrete transistor and resistor networks. The series includes complementary PNP variants and other package options such as SOT54 and SOT23 to accommodate different board space and mounting requirements.
Replacement Considerations
The PDTB113EK is the documented PNP complement within the same series. For direct replacement, verify pinout compatibility between the SOT346 packages and ensure the replacement meets the same 500 mA current and 50 V voltage ratings.
