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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 200MW SOT323
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Tape & Reel (TR)
- 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)：100 kOhms
- Resistor - Emitter Base (R2)：100 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：82 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 250µA, 5mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
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Overview
The DDTC115EUA-7-F is an NPN pre-biased small signal surface mount transistor from Diodes Incorporated, housed in a SOT323 case. It features built-in biasing resistors with nominal values of R1 = 100 kΩ and R2 = 100 kΩ. The device supports a maximum supply voltage (VCC) of 50 V and a continuous output current (IO(MAX)) of 100 mA. Power dissipation is rated at 200 mW, with a thermal resistance (RθJA) of 625 °C/W. Operating and storage temperatures range from -55°C to +150°C. The gain-bandwidth product (fT) is typically 250 MHz.
Feature Summary
- Epitaxial planar die construction for reliable performance
- Built-in biasing resistors simplify circuit design
- Qualified to AEC-Q101 standards for high reliability
- Totally lead-free and fully RoHS compliant
Applications
- Switching applications requiring compact footprint
- Driver circuits for logic interfaces
- Automotive electronics systems
Procurement Notes
Verify the complete part number includes the suffix '-7-F' to ensure correct packaging configuration. Confirm that the required variant matches the specific resistor tolerance and marking code listed in the ordering information table. Check for automotive-specific variants if AEC-Q101 qualification is mandatory for the application environment.
Selection Notes
Select this component when a single NPN pre-biased transistor with 100 kΩ input resistors is needed. Ensure the required collector current does not exceed 100 mA and the supply voltage remains within 50 V limits. Consider the SOT323 package dimensions for PCB layout constraints and verify thermal requirements against the specified power dissipation rating.
Part Context
This component belongs to the DDTC (R1 = R2 Series) UA family of NPN pre-biased transistors. It shares the same epitaxial planar construction and general electrical characteristics as other members of the series, differentiated primarily by the nominal values of the integrated biasing resistors R1 and R2.
Replacement Considerations
DDTC115EUAQ-7-F
FAQ
What are the nominal values for the built-in biasing resistors?
For the DDTC115EUA, both R1 and R2 have a nominal value of 100 kΩ.
Is this component suitable for automotive applications?
Yes, the base device is qualified to AEC-Q101 standards. Automotive-specific variants like DDTC115EUAQ-7-F are also available.
What is the maximum operating temperature?
The maximum operating and storage temperature range extends up to +150°C.
