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Product Detailed Parameters
- Description：TRANS NPN/PNP 40V 200MA SOT-363
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- Transistor Type：1 NPN, 1 PNP Complementary
- Current - Collector (Ic) (Max)：200mA
- Voltage - Collector Emitter Breakdown (Max)：40V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 5mA, 50mA / 400mV @ 5mA, 50mA
- Current - Collector Cutoff (Max)：50nA
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 10mA, 1V
- Power - Max：200mW
- Frequency - Transition：300MHz, 250MHz
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SOT-363
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The MMDT3946Q-7R is a complementary NPN-PNP small signal transistor manufactured by Diodes Incorporated. It features a maximum collector-emitter voltage (VCEO) of 40V and a continuous collector current (IC) of 200mA for both the NPN and PNP elements. The device operates within a junction temperature range of -55°C to +150°C and dissipates up to 200mW of power. It utilizes an SOT363 surface-mount package with a total device thermal resistance (RθJA) of 625°C/W. The component is AEC-Q101 qualified, PPAP capable, and supplied in 7-inch reels containing 3,000 units.
Feature Summary
- AEC-Q101 qualified for automotive applications requiring specific change control
- Totally lead-free and fully RoHS compliant
- Halogen and antimony free "Green" device
- Ultra-small surface mount SOT363 package
Applications
- Low power amplification
- General purpose switching
- Automotive electronic circuits
Procurement Notes
Verify that the ordering suffix matches the required reel size and tape width specifications. Confirm compliance with automotive quality standards such as IATF16949 certification if the application demands it. Ensure the procurement channel is authorized to maintain product integrity and warranty coverage.
Selection Notes
Select this component when a compact complementary NPN/PNP pair is needed for low-power signal processing or switching tasks. Verify that the 40V breakdown voltage and 200mA current ratings align with the circuit requirements. Consider the SOT363 footprint constraints and thermal dissipation limits during the design phase.
Part Context
This part belongs to the MMDT3946Q series of complementary small signal transistors. It is designed specifically for applications demanding high reliability in automotive environments while maintaining a minimal physical footprint. The Q suffix indicates its qualification status for automotive use.
Replacement Considerations
Check datasheets for alternative complementary NPN/PNP pairs in SOT363 packages. Ensure equivalent VCEO, IC, and package dimensions before substitution.
FAQ
Is the MMDT3946Q-7R suitable for automotive applications?
Yes, the MMDT3946Q is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities, making it suitable for automotive applications requiring specific change control.
What is the maximum collector current rating?
The maximum collector current (IC) is 200mA for both the NPN and PNP elements.
What packaging format is used for the -7R suffix?
The -7R suffix indicates a 7-inch reel with an 8mm tape width, containing 3,000 units per reel.
