ROHM RVQ040N05 Specifications and User Guide

Summary

This datasheet provides comprehensive technical specifications for an Nch 45V 4A Power MOSFET designed for efficient switching applications. It details crucial electrical parameters (like breakdown voltage and on-state resistance), thermal dissipation guidelines, and mounting suitability. The complete manual serves as a vital resource for electronics engineers and power system designers who require reliable components for developing DC/DC converters and other high-power conversion circuits in various electronic equipment.

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RVQ040N05 Nch 45V 4A Power MOSFET Datasheet

l Outline

VDSS 45V TSMT6

RDS(on) (Max.) 53m W

ID 4A (1) (2)

PD 1.25W

l Features l Inner circuit

1) Low on - resistance. (1) Drain (2) Drain

2) Built-in G-S Protection Diode. (3) Gate

(4) Source

3) Small Surface Mount Package (TSMT6).

(5) Drain (6) Drain

4) Pb-free lead plating ; Ro HS compliant

*1 ESD PROTECTION DIODE *2 BODY DIODE

l Packaging specifications Packaging Taping Reel size (mm)

l Application

Tape width (mm)

DC/DC converters

Type Basic ordering unit (pcs) 3,000 Taping code TR Marking QG

l Absolute maximum ratings(Ta = 25°C)

Parameter Symbol Value Unit

Drain - Source voltage VDSS *1

Continuous drain current ID 4.0

Pulsed drain current ID,pulse 16

Gate - Source voltage VGSS 21 *3

PD 1.25

Power dissipation

PD 0.6

Junction temperature Tj °C Range of storage temperature Tstg -55 to +150 °C

Page Summary Contents For ROHM RVQ040N05 Specifications and User Guide

Page 1 RVQ040N05 Nch 45V 4A Power MOSFET Datasheet l Outline VDSS 45V TSMT6 RDS(on) (Max.) 53m W ID 4A (1) (2) PD 1.25W l Features l Inner circuit 1) Low on - resistance. (1) Drain (2) Drain 2) Built-in G-S ...

Page 2 Data Sheet RVQ040N05 l Thermal resistance Values Parameter Symbol Unit Min. Typ. Max. *3 Thermal resistance, junction - ambient Rth JA °C/W Thermal resistance, junction - ambient Rth JA °C/W l Electri...

Page 3 Data Sheet RVQ040N05 l Electrical characteristics(Ta = 25°C) Values Parameter Symbol Conditions Unit Min. Typ. Max. Input capacitance Ciss VGS = 0V Coss VDS = 10V p FOutput capacitance Reverse transfe...

Page 4 Data Sheet RVQ040N05 rm liz ra ie rm is ta is ip ti /P l Electrical characteristic curves Fig.1 Power Dissipation Derating Curve Fig.2 Maximum Safe Operating Area Operation in this area PW = 100μs is ...

Page 5 Data Sheet RVQ040N05 ra in rr l Electrical characteristic curves Fig.5 Typical Output Characteristics(I) Fig.6 Typical Output Characteristics(II) VGS= 10V Ta=25ºC Ta=25ºC VGS= 4.5 Pulsed Pulsed VGS= 4...

Page 6 Data Sheet RVQ040N05 ra in rc re lt te re ld lt [V (B )D l Electrical characteristic curves Fig.7 Breakdown Voltage Fig.8 Typical Transfer Characteristics vs. Junction Temperature VDS= 10V VGS=0V Puls...

Page 7 Data Sheet RVQ040N05 ta ti ra in rc -S ta te is ta ra in rr is ip ti l Electrical characteristic curves Fig.11 Drain Current Derating Curve Fig.12 Static Drain - Source On - State Resistance vs. Gate ...

Page 8 Data Sheet RVQ040N05 ta ti ra in rc -S ta te is ta ta ti ra in rc -S ta te is ta l Electrical characteristic curves Fig.15 Static Drain-Source On-State Fig.16 Static Drain - Source On - State Resistan...

Page 9 Data Sheet RVQ040N05 te rc lt it l Electrical characteristic curves Fig.18 Typical Capacitance Fig.19 Switching Characteristics vs. Drain - Source Voltage Ta=25ºC Ta=25ºC VDD= 25V f=1MHz td(off) Ciss ...

Page 10 Data Sheet RVQ040N05 l Measurement circuits Fig.1-1 Switching Time Measurement Circuit Fig.1-2　Switching Waveforms Fig.2-1 Gate Charge Measurement Circuit Fig.2-2 Gate Charge Waveform www.rohm.com © 2...

Page 11 Data Sheet RVQ040N05 l Dimensions (Unit : mm) TSMT6 Patterm of terminal position areas MILIMETERS INCHES MIN MAX MIN MAX HE 2.60 3.00 0.102 0.118 L1 0.30 0.60 0.012 0.024 Lp 0.40 0.70 0.016 0.028 MILI...

Page 12 Notice No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without not...

Manual Details

Brand	ROHM
Pages	12
File Size	762.23 KB
Published	June 18, 2026

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Frequently Asked Questions

What are the maximum voltage and current ratings for this MOSFET?

The absolute maximum drain-source voltage is 45V, with a continuous drain current of ±4.0 A.

Is the RVQ040N05 compatible with modern, environmentally conscious electronics?

Yes, it features Pb-free lead plating and is RoHS compliant.

How do I determine the proper power dissipation based on my setup?

You must consult the derating curve (Fig.1) and factor in physical mounting materials, checking guidance for ceramic or FR4 boards.

Can this device be used in safety-critical applications like medical equipment?

No; the product is not designed for systems requiring extremely high reliability where failure could threaten human life.