With a nominal power of 1.5KWAC, the transformer-less inverter, which provides one MPPT and a peak efficiency of 97.2%, offers a suitable solution for small size photovoltaic system owners. It enables grid-injection as well as self-consumption, following the new trend in solar inverters. Integrated Ethernet and WLAN interfaces offer multiple possibilities for communication and data monitoring. Delivered without display, the integrated user interface makes possible to monitor system data on any smartphone, tablet or PC.

1. DISCLAIMER : System Plus Consulting provides cost studies based on its knowledge of the manufacturing and selling prices of electronic components and systems. The given values are realistic estimates which do not
bind System Plus Consulting nor the manufacturers quoted in the report. System Plus Consulting is in no case responsible for the consequences related to the use which is made of the contents of this report. The
quoted trademarks are property of their owners.
© 2015 by SYSTEM PLUS CONSULTING, all rights reserved. 1
Electronic Costing & Technology Experts
www.systemplus.fr
21 rue la Nouë Bras de Fer
44200 Nantes – France Phone : +33 (0) 240 180 916 email : info@systemplus.fr
July 2015 - Version 1 written by Wilfried THERON

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1. Overview/Introduction 3
– Executive Summary
– Company Profile: SMA
– SMA Sunny Boy Main Features
– Reverse Costing Methodology
2. Physical Analysis 10
 Views and Dimensions of the Packaging
 Packaging Opening
 Accessories
 Views and Dimensions of the Inverter
 Label of the Inverter
 External Interfaces
 Inverter Opening
 Electronic Boards
• Main Board – Top Side – Global View
• Main Board – Top Side – High Definition Photo
• Main Board – Top Side – Markings
• Main Board – Top Side – Components Identification
• Main Board – Bottom Side – Global View
• Main Board – Bottom Side – High Definition Photo
• Main Board – Bottom Side – Markings
• Main Board – Bottom Side – Components Identification
• WLAN Board – Top Side – Global View
• WLAN Board – Top Side – Components Identification
• WLAN Board – Bottom Side – Global View
 VINCOTECH Power Module Analysis
• Power Module – Global View
• Power Module Opening
• Power Module BOM
• IGBT & Diode Dies analysis
• Functional Scheme
3. Cost Analysis 61
– Accessing the BOM
– Estimation of the cost of the PCBs
– Estimation of the Housing Part Cost
– Estimation of the Top Cover Part Cost
– BOM Cost - Packaging
– BOM Cost - Housing
– Estimation of the Power Module Cost
– BOM Cost – Main Board
– BOM Cost – WLAN Board
– Material Cost Breakdown
– ABC Breakdown
– Accessing the Added Value (AV) cost
– Main Board Manufacturing Flow
– Details of the Main Board AV Cost
– WLAN Board Manufacturing Flow
– Details of the WLAN Board AV Cost
– Details of the Housing Assembly & Functional Test Costs
– Details of the Packaging Assembly AV Cost
– Added Value Cost Breakdown
– Manufacturing Cost Breakdown
4. Estimated Price Analysis 98
– Estimation of the Manufacturing Price
– Functional Cost Breakdown
Contact 102

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This Reverse Costing analysis has been conducted in several phases :
• The initialization of the analysis
Pictures of the elements to be studied.
Identification of the components.
• Description of the material in the “SYScost+” software
Creation of an “estimation project” of the studied board with SYScost+software.
Construction of the Bill of Material (BOM).
• Assessing the material
Searching for the price of each reference among distributors and manufacturers.
Assessing the cost of the PCB and of the unaccounted references (unknown by distributors)
The BOM is valued with SYScost+ : price simulation according to the requested quantities.
• Assessing the assembling and test phases
Assembly and test lines are modeled with the SYScost+ software.
The assembly and tests costs are estimated.
• Production cost & selling price
Estimation of the production cost & selling price.
• Report
A report is edited.
SYScost+©, is a software tool developed by SYSTEM PLUS CONSULTING to calculate the cost of electronic boards. More
information on the software can be found at www.systemplus.fr.

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• The Reverse costing analysis represents the best cost/price evaluation given the publically available
data, completed with industry expert estimates.
• These results are open for discussion. We can re-evaluate this system with your information. Please
contact us:
• Consulting and Specific Analysis
– North America: Steve LaFerriere, Director of Northern America Business Development, Yole Inc.
Email: laferriere@yole.fr
– Japan: Yutaka Katano, General Manager, Yole Japan & President, Yole K.K.
Email: katano@yole.fr
– RoW: Jean-Christophe Eloy, President & CEO, Yole Développement
Email: eloy@yole.fr
• Report business
– North America: Steve LaFerriere, Director of Northern America Business Development, Yole Inc.
Email: laferriere@yole.fr
– Europe: Fayçal El Khamassi, Headquarter Sales Coordination & Customer Service
Email: khamassi@yole.fr
– Japan & Asia: Takashi Onozawa, Sales Asia & General Manager, Yole K.K.
Email: onozawa@yole.fr
– Korea: Hailey Yang, Business Development Manager, Korean Office
Email: yang@yole.fr
– Taiwan/China: Mavis Wang, Business Development Manager, Chinese Office
– Email: wang@yole.fr
• Financial services
– Jean-Christophe Eloy, CEO & President
Email: eloy@yole.fr
• General: info@yole.fr