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Product Detailed Parameters
- Description：IC TRANSISTOR ARRAY SMD
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- pa_vce-saturation-max-ib-ic：
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：-
- Power - Max：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The DMMT3904W-7-F is a matched NPN small signal surface mount transistor manufactured by Diodes Incorporated. It utilizes epitaxial planar die construction and features intrinsically matched characteristics for the dual NPN pair, including hFE, VCE(SAT), and VBE(SAT). The device is housed in a compact SOT-363 molded plastic case with UL 94V-0 flammability rating. Key electrical ratings include a collector-base voltage of 60 V, collector-emitter voltage of 40 V, continuous collector current of 200 mA, and power dissipation of 200 mW at 25°C. The junction-to-ambient thermal resistance is 625 °C/W. Operating temperature ranges from -55°C to +150°C.
Feature Summary
- Intrinsically matched NPN pair built with adjacent die from a single wafer
- High matching tolerance for DC current gain, collector-emitter saturation voltage, and base-emitter saturation voltage
- Small surface mount package suitable for automated assembly
Applications
- General purpose switching applications requiring matched transistor pairs
- Analog circuits utilizing matched differential pairs
- Low voltage signal processing systems
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm lead-free plating status and packaging configuration. Confirm that the requested part number matches the exact mechanical dimensions and marking codes specified in the datasheet. Ensure compatibility with standard SMT reflow processes and moisture sensitivity level requirements.
Selection Notes
Select this component when matched transistor performance is critical for circuit accuracy. The intrinsic matching reduces the need for external trimming or selection. Consider the SOT-363 package size constraints and verify thermal management capabilities within the target application environment. Ensure the required voltage and current ratings align with the system specifications.
Part Context
This component belongs to the DMMT3904 series of matched NPN transistors produced by Diodes Incorporated. It shares similar electrical characteristics with other members of the family but differs in packaging and specific matching tolerances. The series is designed for applications requiring precise matching between two transistors on a single chip.
Replacement Considerations
DMMT3904W-7-F serves as a direct replacement for the non-lead-free variant DMMT3904W-7. Verify pinout compatibility and thermal resistance values when substituting with components from other manufacturers.
