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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 200MW SOT323
- Series：*
- Mfr：Diodes Incorporated
- Package：Cut Tape (CT)
- Resistors Included：-
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：-
- Power - Max：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The DDTC114YUA-7 is a single NPN pre-biased transistor manufactured by Diodes Incorporated, housed in an SOT-323 surface-mount package. It integrates internal biasing resistors with nominal values of R1 = 10 kΩ and R2 = 47 kΩ. The device supports a maximum supply voltage (VCC) of 50 V and a continuous collector current (IOUT) of 70 mA. Electrical characteristics include a minimum DC current gain (Gl) of 68 at VOUT = 5 V and IOUT = 5 mA, and a transition frequency (fT) of 250 MHz. Power dissipation is rated at 200 mW, with an operating temperature range spanning from -55 °C to +150 °C.
Feature Summary
- Epitaxial planar die construction for reliable semiconductor performance
- Integrated biasing resistors simplify circuit design and reduce component count
- Surface mount package optimized for automated assembly processes
- Fully RoHS compliant and halogen/antimony-free green device
Applications
- General-purpose switching applications requiring integrated biasing
- Driver circuits for low-power loads in consumer electronics
- Logic interface buffering between microcontrollers and peripheral devices
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation before procurement. The provided datasheet lists the orderable part number as DDTC114YUA-7-F. Confirm that the required packaging quantity and reel specifications align with production needs. Ensure compliance with regional environmental directives such as RoHS 3 when sourcing components.
Selection Notes
Select this component when a compact NPN solution with fixed base and emitter resistors is required. Verify that the 70 mA output current rating meets the load requirements, as other variants in the series support up to 100 mA. Check the input voltage limits relative to the driving logic levels to ensure proper saturation and cutoff behavior within the specified thermal constraints.
Part Context
This component belongs to the DDTC (R1≠R2 Series) UA family from Diodes Incorporated. These devices are designed to replace discrete resistor networks and transistors, saving board space. The 'UA' suffix indicates the SOT-323 package type, while the numeric code specifies the unique resistor ratio configuration for the specific part number.
Replacement Considerations
Direct substitutes must match the NPN polarity, SOT-323 package, and the 10kΩ/47kΩ resistor ratio. Verify that alternative parts maintain the 50V VCC rating and 70mA IOUT limit. Cross-reference electrical parameters such as Gl and fT to ensure functional equivalence in the target application.
