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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：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)：2.2 kOhms
- Resistor - Emitter Base (R2)：2.2 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：20 @ 20mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：Automotive
- Qualification：AEC-Q101
- 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 DDTC123ECAQ-7-F is an NPN pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It belongs to the DDTC (R1 = R2 SERIES) CA family and features built-in biasing resistors where R1 equals R2, with a nominal resistance of 2.2kΩ. The device is housed in an SOT23 package and supports a supply voltage (VCC) of 50 V and a continuous collector current (IO) of 100 mA. It operates within a temperature range of -55°C to +150°C and has a power dissipation rating of 200 mW. The component is qualified to AEC-Q101 standards for automotive applications.
Feature Summary
- Automotive-grade reliability through AEC-Q101 qualification
- Integrated equal-value biasing resistors (R1 = R2)
- Totally lead-free and fully RoHS compliant construction
Applications
- Automotive electronic circuits requiring high reliability
- General-purpose switching applications
- Driver circuits for low-power loads
Procurement Notes
Verify the specific ordering suffix 'Q' confirms automotive grade status against the manufacturer's official documentation. Confirm that the standard electrical parameters match the design requirements, as automotive and standard products are electrically identical unless specified otherwise. Ensure compliance with relevant environmental directives such as RoHS 3.
Selection Notes
Select this component when an NPN digital transistor with equal internal biasing resistors is required for space-constrained designs. The SOT23 package offers a compact footprint suitable for surface mount technology. Consider the 2.2kΩ resistor value for appropriate base drive currents in switching applications. Verify thermal management capabilities given the 200 mW power dissipation limit.
Part Context
This part is part of the DDTC123ECA series from Diodes Incorporated. The 'Q' suffix denotes automotive qualification under AEC-Q101 standards. It shares electrical characteristics with the non-automotive DDTC123ECA variant but meets stricter automotive reliability criteria. The series includes complementary PNP types available as DDTA.
Replacement Considerations
Direct replacement options include the standard DDTC123ECA-7-F if automotive qualification is not strictly required. Other variants within the DDTC123ECA series may be considered if different resistor values are acceptable.
