Abstract:Today the economic growth in many parts of the world has increased, especially in developing country, such Indonesia country. With increased economic growth, income and purchasing power of consumers also increased especially in big city like Jakarta. Increased incomes allow consumers to meet their secondary and tertiary needs such air conditioning (AC), washing machine, refrigerator with advanced technology. The purpose of this study was to determine the effect of product quality, perceived price and brand image of the brand purchase decision on Japan's electronics are mediated by consumer trust. Population of this research is visitors of electronic city outlet in South Jakarta and questionnaires were distributed to 376 visitors Electronics City in SCBD and in Pondok Indah Mall using multistage cluster random sampling technique. Data were analyzed using Structural Equation Modeling ( SEM ). The results showed that there are product quality and perceived price have significant and positive effect of the purchase decision; product quality, brand image and perceived price have significant and positive effect of the customer trust; customer trust has significant and positive effect of the purchase decision; no effect of brand image of purchase decision; product quality, perceived price and brand image of the purchase decision mediated by consumer trust in electronic products of Japanese brand .Keywords: Product Quality, Perceived Price, Brand Image and Purchase Decision.Abstraks: Dewasa ini pertumbuhan ekonomi di berbagai dunia meningkat terutama di negara-negara berkembang, seperti Negara Indonesia. Dengan peningkatan pertumbuhan ekonomi, pendapatan dan daya beli konsumen juga meningkat terutama di kota-kota besar seperti Jakarta. Peningkatan pendapatan memungkinkan kosumen untuk memenuhi kebutuhan sekunder dan tersier dengan membeli produk yang akan membuat mereka nyaman seperti air conditioning (AC), mesin cuci, kulkas dengan technologi canggih. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh kualitas produk, persepsi harga dan image merek terhadap keputusan pembelian merek elektronik Jepang yang dimediasi oleh kepercayaan konsumen. Jumlah populasi adalah pengunjung outlet electronic city di wilayah Jakarta Selatan dan kusioner dibagikan kepada 376 pengunjung Electronics City di SCBD dan di Pondok Indah Mall dengan menggunakan multistage cluster random sampling teknik. Data dianalisis dengan menggunakan Structural Equation Modeling (SEM). Hasil penelitian menunjukkan bahwa kualitas produk dan persepsi harga berpengaruh positif dan signifikan terhadap keputusan pembelian; kualitas produk, image merek dan persepsi harga berpengaruh positif dan signifikan terhadap kepercayaan konsumen; kepercayaan konsumen berpengaruh positif dan signifikan terhadap keputusan pembelian; image merek tidak berpengaruh terhadap keputusan pembelian; kualitas