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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SOT23F
- 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)：22 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 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：SOT-23-3 Flat Leads
- Supplier Device Package：SOT-23F
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Overview
The DDTC144WCA-7-F is an NPN pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It features built-in biasing resistors with nominal values of R1 = 47 kΩ and R2 = 22 kΩ. The device operates with a maximum supply voltage (VCC) of 50 V and a continuous collector current (IC) of 100 mA. Power dissipation is rated at 200 mW, with a thermal resistance (RθJA) of 625 °C/W. The gain-bandwidth product (fT) is typically 250 MHz. It utilizes an SOT-23 package and complies with AEC-Q101 standards for high reliability.
Feature Summary
- Epitaxial planar die construction
- Built-in biasing resistors with unequal values
- Qualified to AEC-Q101 automotive standards
- Totally lead-free and fully RoHS compliant
Applications
- Automotive electronic circuits requiring high reliability
- General-purpose switching applications
- Driver circuits for logic interfaces
Procurement Notes
Verify the component against the official Diodes Incorporated datasheet DS30330 Rev. 11-2 to confirm authenticity. Ensure the marking code matches 'N22' for this specific part number. Check for compliance with RoHS and halogen-free requirements as specified in the manufacturer's documentation before integration into production.
Selection Notes
Select this component when an NPN digital transistor with a 47 kΩ base resistor and 22 kΩ emitter resistor is required. It is suitable for designs needing AEC-Q101 qualification. Compare electrical characteristics such as DC current gain and saturation voltage against alternative models if different resistor ratios or higher current ratings are needed.
Part Context
This part belongs to the DDTC (R1≠R2 SERIES) CA family from Diodes Incorporated. It is designed as a single NPN pre-biased transistor in an SOT-23 package. Complementary PNP types are available within the same series under the DDTA designation.
Replacement Considerations
Direct replacement options include other parts within the DDTC144 series with identical resistor values, such as the DDTC144VCA-7-F, provided the specific R1/R2 ratio matches the circuit design requirements.
