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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SOT523
- 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)：47 kOhms
- Resistor - Emitter Base (R2)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：150 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SOT-523
- Supplier Device Package：SOT-523
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Overview
The DDTC144EE-7-F is an NPN pre-biased transistor manufactured by Diodes Incorporated, housed in a SOT523 surface-mount package. It integrates biasing resistors with nominal values of R1 = 47 kΩ and R2 = 47 kΩ. The device supports a maximum supply voltage (VCC) of 50 V and a continuous collector current (IC) of 100 mA. Electrical characteristics include a minimum DC current gain (hFE) of 68 at 5 mA, a transition frequency (fT) of 250 MHz, and a power dissipation rating of 150 mW. Operating temperature ranges from -55°C to +150°C.
Feature Summary
- Integrates built-in biasing resistors (R1 = R2) to simplify circuit design without external input components.
- Utilizes epitaxial planar die construction for reliable performance.
- Compliant with RoHS standards and halogen/antimony-free specifications.
Applications
- Inverter circuits
- Interface applications
- Driver circuits
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation before procurement. Confirm that the component meets all required environmental and quality standards for the intended application. Ensure compatibility with existing assembly processes and packaging requirements.
Selection Notes
Select this component when an NPN pre-biased transistor with 47 kΩ internal resistors is required. Verify that the 50 V voltage rating and 100 mA current capacity align with the system's operational limits. Consider the SOT523 package dimensions for PCB layout constraints.
Part Context
This part belongs to the DDTC144E series within the DDTC EE family of NPN pre-biased transistors. It is designed as a drop-in replacement for discrete resistor-transistor networks, offering space savings and simplified biasing configurations in compact electronic designs.
Replacement Considerations
Check for direct equivalents such as DTC144EE or other manufacturers' parts with identical pinouts and electrical parameters. Ensure thermal resistance and package compatibility are maintained during substitution.
FAQ
What are the nominal values of the integrated resistors?
The integrated base resistor (R1) and emitter-base resistor (R2) both have a nominal value of 47 kΩ.
What is the maximum supply voltage for this device?
The maximum supply voltage (VCC) is rated at 50 V.
Is this component suitable for high-frequency applications?
Yes, it has a transition frequency (fT) of 250 MHz, making it suitable for certain high-speed switching applications.
