Catalog excerpts
Patent Protection RoHS 1W, Fixed input voltage, isolated & unregulated single output FEATURES • Continuous short-circuit protection • Operating temperature range: -40C to +105°C • Conversion efficiency high up to 80% • Miniature SIP/DIP package, International standard pin-out • Isolation voltage: 1.5K VDC • EN60950,UL60950 Approval B_S-1WR2& B-D-1WR2 series are specially designed for applications where an isolated voltage is required in a distributed power supply system. They are suitable for 1. Where the voltage of the input power supply is stable (voltage variation: ±10%Vin); 2. Where isolation between input and output is necessary (isolation voltage ^1500VDC); 3. Where the output voltage regulation and the ripp/e & noise of the output voltage is not strictly required; 4 Typical application: digit circuit condition; normal low-frequency artificial circuit condition; relay drive circuit and data switching circuit Selection Guide MORNSUN GUANGZHOU SCIGNCG & TGCHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 1MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 2DC/DC Converter B_S-1WR2 & B_D-1WR2 series General Specifications Item Operating Conditions Isolation Voltage Input-output, with the test time of 1 minute and the leak current lower than 1mA Isolation Resistance Input-output, isolation voltage 500VDC Isolation Capacitance Operating Temperature Derating when operating temperature up to 85℃, (see Fig. 2) Storage Temperature Casing Temperature Rise Ta=25℃, nominal input, full load output Pin Welding Resistance Temperature Welding spot is 1.5mm away from the casing, 10 seconds Storage Humidity Switching Frequency Full load, nominal input...
Open the catalog to page 3Design Reference 1. Typical application circuit If it is required to further reduce input and output ripple, a filter capacitor may be connected to the input and output terminals, see Fig.3. Moreover, choosing a suitable filter capacitor is very important, start-up problems may be caused if the capacitance is too large. Under the condition of safe and reliable operation, the recommended capacitive load values are shown in Table 1. Recommended capacitive load value table (Table 1) 3. Output load requirements In order to ensure the converter can work reliably with high efficiency, the minimum...
Open the catalog to page 4Dimensions and Recommended Layout B_S-1WR2 THIRD ANGLE PROJECTION 11.60 [0.457] Note: Unit :mm[inch] Pin section tolerances :±0.10[±0.004] General tolerances:±0.25[±0.010] Dimensions and Recommended Layout B_D-1WR2 MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 51. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com. Packing bag number: 58200003(B_S-1WR2), 58200011(B_D-1WR2); 2. If the product is not operated within the required load range, the product performance cannot be guaranteed to comply with all parameters in the datasheet; 3. The maximum capacitive load offered were tested at nominal input voltage and full load; 4. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25 C, humidity<75% with nominal input voltage and rated output...
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