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Product Detailed Parameters
- Description：TRANS NPN/PNP 25V 0.2A SOT363
- Series：*
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The MMDT4146-7-F is a complementary NPN/PNP small-signal surface mount transistor manufactured by Diodes Incorporated. It integrates two transistors in a single SOT-363 (SC-88) package with six pins. The device features a maximum DC collector current of 200 mA, a collector-emitter voltage (VCEO) of 25 V, and a collector-base voltage (VCBO) of 30 V. The emitter-base voltage (VEBO) is rated at 5 V. This component is designed for general-purpose switching and amplification applications in portable electronics.
Feature Summary
- Complementary NPN and PNP transistors integrated into a single compact package
- Designed for high-density surface mount assembly processes
- Optimized for low-voltage general-purpose switching and signal amplification
Applications
- Portable consumer electronics requiring space-saving dual-transistor solutions
- General-purpose switching circuits in battery-powered devices
- Signal amplification stages in low-power audio or data lines
Procurement Notes
Verify the specific ordering suffix against the manufacturer's latest datasheet to confirm pinout compatibility and electrical tolerances. Ensure the component meets RoHS directives if required by your manufacturing standards. Cross-reference the part number with official distributor catalogs to confirm current availability status and lead times before finalizing procurement plans.
Selection Notes
Select this component when a complementary NPN/PNP pair is required in a minimal footprint. The SOT-363 package offers a smaller area than discrete alternatives. Verify that the 25 V VCEO rating aligns with the circuit's operating voltage. Consider thermal dissipation limits if the application involves continuous high-current loads near the 200 mA maximum rating.
Part Context
This part belongs to the MMDT series of complementary transistors from Diodes Incorporated. It shares functional similarities with other models like the MMDT3946 and MMDT5451 but differs in voltage and current ratings. The series is widely used in mobile phones and handheld devices where board space is limited.
Replacement Considerations
Direct substitutes include the MMDT4146 without the suffix or equivalent parts from other manufacturers such as Unisonic Technologies. Verify pinout alignment and electrical parameters before substitution.
