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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 0.1A SOT323
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：10 kOhms
- Resistor - Emitter Base (R2)：4.7 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：24 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
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Overview
The DTC114WUA-HF is a single NPN digital transistor manufactured by Comchip Technology, designed for surface-mount applications. It integrates biasing resistors within an SOT-323 (SC-70) package to simplify circuit design. The device supports a collector-emitter voltage of 50V and a continuous collector current of 100mA. Typical internal resistance values include an input resistor (R1) of 10kΩ and an emitter-base resistor (R2) of 47kΩ. Power dissipation is rated at 150mW, with an operating temperature range from -55°C to +150°C.
Feature Summary
- Integrates built-in biasing resistors to reduce component count and board space.
- Utilizes epitaxial planar die construction for reliable performance.
- Offers high DC current gain (hFE) suitable for switching applications.
Applications
- General-purpose switching circuits in consumer electronics.
- Driver stages for small signal loads.
- Logic level translation interfaces.
Procurement Notes
Verify the specific datasheet version for the DTC114WUA-HF, as Comchip Technology may share pinouts with other manufacturers using similar naming conventions. Confirm RoHS compliance status directly with the supplier or through official documentation, as regulatory markings can vary by production batch. Ensure the SOT-323 footprint matches your PCB layout requirements before finalizing procurement.
Selection Notes
Select this component when a compact NPN digital transistor with a 10kΩ base resistor is required. Compare the 100mA collector current limit against load requirements. Verify that the 50V VCEO rating exceeds the maximum circuit voltage. Consider the SOT-323 package size constraints relative to available board real estate.
Part Context
This part belongs to the family of digital transistors featuring integrated resistors. While the 'DTC' prefix often denotes NPN polarity in industry standards, verify the specific configuration in the Comchip Technology datasheet. The '-HF' suffix typically indicates Halogen-Free manufacturing, aligning with environmental compliance standards.
Replacement Considerations
Cross-reference with DTC114WUA from Rohm or Jiangsu Changjiang Elec for pin-compatible alternatives. Ensure substitute parts match the SOT-323 package and electrical ratings. Verify that the replacement maintains the same resistor ratios if circuit timing or biasing is critical.
