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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)：4.7 kOhms
- Resistor - Emitter Base (R2)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：80 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 250µA, 5mA
- 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 DDTC143ZCA-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 = 4.7 kΩ and R2 = 47 kΩ. The device utilizes epitaxial planar die construction in a SOT-23 package. Electrical specifications include a maximum collector current (IC) of 100 mA, a supply voltage (VCC) of 50 V, and power dissipation (PD) of 200 mW. The DC current gain (hFE) has a minimum value of 80 at VO = 5V and IO = 10mA. Operating temperature ranges from -55°C to +150°C.
Feature Summary
- Integrated biasing network with unequal resistor values for simplified circuit design
- Qualified to AEC-Q101 standards for high reliability applications
- Totally lead-free and fully RoHS compliant construction
- Halogen and antimony free "Green" device
Applications
- Automotive electronic systems requiring AEC-Q101 qualified components
- General purpose switching applications utilizing single NPN configuration
- Surface mount assembly on FR4 printed circuit boards
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm compliance with specific environmental directives such as RoHS 2 and REACH requirements. Ensure the ordering suffix matches the required packaging quantity and reel size specifications provided in the manufacturer documentation.
Selection Notes
Select this component when a single NPN transistor with integrated base and emitter resistors is required. Verify that the nominal resistance values of 4.7 kΩ and 47 kΩ align with the target circuit design. Ensure the SOT-23 package dimensions fit the available board space constraints.
Part Context
This part belongs to the DDTC (R1≠R2 Series) CA family of pre-biased transistors. It shares electrical characteristics with other variants in the series but differs in internal resistor ratios. The standard commercial version is distinguished from automotive qualified versions by specific ordering suffixes.
Replacement Considerations
Direct substitutes within the same series include DDTC143XCA-7-F and DDTC143FCA-7-F. These alternatives offer different resistor ratios while maintaining identical package and electrical ratings.
