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Product Detailed Parameters
- Description：TRANS 2PNP 40V 200MA SOT-363
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：2 PNP (Dual) Matched Pair
- Current - Collector (Ic) (Max)：200mA
- Voltage - Collector Emitter Breakdown (Max)：40V
- Vce Saturation (Max) @ Ib, Ic：400mV @ 5mA, 50mA
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 10mA, 1V
- Power - Max：200mW
- Frequency - Transition：250MHz
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SOT-363
- Grade：-
- Qualification：-
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Overview
The DMMT3906W-7-F is a matched pair of PNP small signal transistors manufactured by Diodes Incorporated in an SOT-363 surface-mount package. It features a collector-emitter voltage (VCEO) and collector-base voltage (VCBO) rating of -40 V, with a maximum continuous collector current (IC) of -200 mA. The device dissipates up to 200 mW of power at +25°C ambient temperature. Electrical characteristics include a DC current gain (hFE) ranging from 60 to 300 depending on the collector current, and a transition frequency (fT) of 250 MHz. The intrinsic matching provides a 2% tolerance on current gain and a 2 mV difference in base-emitter voltage.
Feature Summary
- Intrinsically matched pair of PNP transistors built using adjacent die from the same wafer for high precision.
- Fully internally isolated within a compact SOT-363 surface mount package.
- Qualified to AEC-Q101 standards for automotive applications and capable of PPAP submission.
Applications
- Current mirrors
- Differential and instrumentation amplifiers
- Comparators
Procurement Notes
Verify the specific ordering suffix when purchasing. The standard commercial version uses the -7-F suffix, while the automotive-grade variant requires the Q designation (-Q-7-F). Confirm that the required reel size and tape width align with automated assembly equipment specifications before placing orders.
Selection Notes
Select this component when circuit design requires closely matched transistor pairs for analog signal processing. The SOT-363 package is suitable for space-constrained layouts. Ensure thermal management accommodates the 625 °C/W junction-to-ambient resistance under steady-state operating conditions.
Part Context
This part belongs to the DMMT3906 series of dual PNP transistors. It serves as a matched-pair alternative to single discrete transistors, offering improved performance in differential circuits. The device is electrically identical to the automotive-specific DMMT3906WQ variant, differing only in qualification documentation.
Replacement Considerations
The DMMT3906WQ-7-F is the direct automotive equivalent. Single-transistor alternatives like MMBT3906 lack the intrinsic matching characteristics required for precision analog applications.
FAQ
What is the guaranteed matching tolerance for the base-emitter voltage?
The datasheet specifies a matching tolerance of 2 mV for the absolute difference between the base-emitter voltages of the two transistors at a collector current of -2mA.
Is this component qualified for automotive use?
Yes, the DMMT3906W-7-F is qualified to AEC-Q101 standards. An automotive-specific marking code is available via the DMMT3906WQ-7-F part number.
How is the device internally configured?
The device contains two fully internally isolated PNP transistors housed in a single SOT-363 package, utilizing adjacent die from the same wafer to ensure intrinsic matching.
