DMN3732UQ-13

Overview

The DMN3732UQ-13 is a 30V N-channel enhancement mode MOSFET manufactured by Diodes Incorporated. It features a maximum drain-source voltage (BVDSS) of 30V and a gate-source voltage (VGSS) rating of ±8V. The device offers low on-state resistance, with RDS(ON) values of 460mΩ at VGS=4.5V, 560mΩ at VGS=2.5V, and 730mΩ at VGS=1.8V. Continuous drain current (ID) reaches 1A at 25°C and 0.9A at 70°C. Total gate charge (Qg) is 0.9nC. It operates within a temperature range of -55°C to +150°C and is housed in an SOT23 package.

Feature Summary

• Designed for high efficiency power management applications with minimized on-state resistance.
• Features fast switching speed and low gate threshold voltage for efficient control.
• Includes ESD protected gate structure for enhanced reliability.
• Qualified for automotive applications under AEC-Q101 standards and PPAP capable.

Applications

• Load switches in portable electronics
• High efficiency power management circuits
• Automotive electronic systems requiring specific change control

Procurement Notes

Verify the ordering suffix matches the required reel size; DMN3732UQ-13 indicates a 10,000-unit reel. Confirm AEC-Q101 qualification if automotive compliance is mandatory. Ensure the design accounts for thermal resistance limits specified in the datasheet. Check for RoHS and halogen-free compliance requirements against project specifications before finalizing procurement.

Selection Notes

Select this component when a 30V N-channel MOSFET with low RDS(ON) is required for portable or automotive load switch applications. Consider the SOT23 package constraints for space-limited designs. Evaluate the gate threshold voltage characteristics against the driving logic levels to ensure reliable turn-on. Verify that the continuous drain current ratings meet the peak load requirements of the target circuit.

Part Context

This part belongs to the DMN series of N-channel enhancement mode MOSFETs from Diodes Incorporated. It is specifically designed to balance low on-resistance with superior switching performance. The product line targets power management solutions where efficiency and compact packaging are critical. The 'UQ' designation typically denotes specific automotive qualification and packaging variations within the broader DMN family.

Replacement Considerations

Check for direct equivalents such as the DMN3732U-7, which shares similar electrical characteristics but differs in reel quantity. Verify pinout compatibility and package dimensions when substituting. Ensure any replacement meets the same AEC-Q101 and RoHS requirements if applicable to the original design intent.

FAQ

Is the DMN3732UQ-13 suitable for automotive applications?

Yes, the DMN3732UQ 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 continuous drain current at elevated temperatures?

The maximum continuous drain current is 1A at an ambient temperature of +25°C and decreases to 0.8A at +70°C.

Does the device include protection features?

The device features an ESD protected gate structure to enhance reliability during handling and operation.