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ROHM VQFN User Guide and Manual

Summary

This is a design support document from ROHM Co., Ltd. providing package dimension specifications for VQFN (Very Thin Quad Flat No-lead) semiconductor packages in various pin configurations including VQFN16, VQFN20, VQFN28, and VQFN36. The document contains detailed mechanical drawings with measurements in millimeters, soldering guidelines, and thermal considerations for surface-mount integrated circuit packages. It serves as a reference for PCB layout designers and manufacturing engineers. The t

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Page 1 Text Content

www.rohm.com 2011.08 - Rev.H 1/4 © 2011 ROHM Co., Ltd. All rights reserved.

Page Summary Contents For ROHM VQFN User Guide and Manual

Page 1 www.rohm.com 2011.08 - Rev.H 1/4 © 2011 ROHM Co., Ltd. All rights reserved.
Page 2 VQFN Design Support Document www.rohm.com 2011.08 - Rev.H 2/4 © 2011 ROHM Co., Ltd. All rights reserved.
Page 3 VQFN Design Support Document www.rohm.com 2011.08 - Rev.H 3/4 © 2011 ROHM Co., Ltd. All rights reserved.
Page 4 VQFN Design Support Document www.rohm.com 2011.08 - Rev.H 4/4 © 2011 ROHM Co., Ltd. All rights reserved.
Page 5 Design Support Document Package Dimensions VQFN16 Notice : Do not use the dotted line area for soldering (Unit : mm) 2011.06 - Rev. Awww.rohm.com © 2011 ROHM Co., Ltd. All rights reserved.
Page 6 Design Support Document Package Dimensions VQFN20 2) .2 (0 0.5 Notice : Do not use the dotted line area for soldering (Unit : mm) 2011.06 - Rev. Awww.rohm.com © 2011 ROHM Co., Ltd. All rights reserved...
Page 7 Design Support Document Package Dimensions VQFN28 Notice : Do not use the dotted line area for soldering (Unit : mm) 2011.06 - Rev. Awww.rohm.com © 2011 ROHM Co., Ltd. All rights reserved.
Page 8 Design Support Document Package Dimensions VQFN36 Notice : Do not use the dotted line area for soldering (Unit : mm) 2011.06 - Rev. Awww.rohm.com © 2011 ROHM Co., Ltd. All rights reserved.
Page 9 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 9
File Size 949.45 KB
Published June 16, 2026
1 views

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Frequently Asked Questions

What are the critical soldering considerations for the VQFN packages?

Do not use the dotted line area for soldering, as specified in the package dimension drawings.

What are the typical package body dimensions for the VQFN36?

The VQFN36 package body dimensions are 6.2±0.1mm by 6.0±0.1mm.

Where can I find detailed product specifications?

Detailed product specifications can be obtained from ROHM upon request, as stated in the document notes.

What safety precautions should be taken when using these components?

Implement safety measures like derating, redundancy, and fail-safe designs, as these are general-use components.