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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- 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)：50 V
- Resistor - Base (R1)：10 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 5mA, 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：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The DDTC114ECA-7-F is an NPN pre-biased small signal surface mount transistor from Diodes Incorporated, housed in a SOT23 package. It features built-in biasing resistors with nominal values of R1 = R2 = 10 kΩ. The device supports a supply voltage (VCC) of 50 V and a maximum collector current of 100 mA. Power dissipation is rated at 200 mW, with a thermal resistance (RθJA) of 625 °C/W. Operating temperature ranges from -55°C to +150°C. The DC current gain (hFE) has a minimum value of 30 at IO = 5 mA. Input voltage limits vary by series; for the DDTC114ECA, VIN is -10 to +40 V.
Feature Summary
- Epitaxial planar die construction with integrated biasing resistors where R1 equals R2.
- Qualified to AEC-Q101 standards for high reliability applications.
- Totally lead-free and fully RoHS compliant with halogen and antimony-free green device characteristics.
Applications
- Switching applications requiring simplified bias networks.
- Automotive electronics due to AEC-Q101 qualification.
- General purpose digital logic interfacing.
Procurement Notes
Verify the specific ordering suffix when purchasing. The datasheet lists DDTC114ECA-7-F as Active with AEC-Q101 compliance. Ensure the required reel size matches the quantity needs, typically 3,000 units per 7-inch reel for this part number configuration. Confirm availability status directly with the manufacturer or authorized distributors as product statuses may change.
Selection Notes
Select this component when a single NPN transistor with equal input and output biasing resistors is required. The 10 kΩ resistor value suits moderate drive currents. Consider the 100 mA collector current limit and 50 V breakdown voltage for circuit design. Verify that the SOT23 package dimensions fit the PCB layout constraints.
Part Context
This part belongs to the DDTC (R1 = R2 Series) CA family from Diodes Incorporated. It is designed as a replacement for discrete resistor-transistor networks, reducing board space and assembly steps. The 'CA' designation indicates the specific resistor ratio and packaging variant within the broader DDTC lineup.
Replacement Considerations
The datasheet notes that the automotive version DDTC114ECAQ-7-F is Not Recommended for New Design (NRND) and suggests using ADTC114ECAQ instead. For standard applications, verify if other manufacturers offer equivalent NPN pre-biased transistors with matching 10k/10k resistor ratios and SOT23 packaging.
