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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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78250MC-R 데이터시트(PDF) 1 Page - Murata Power Solutions Inc. |
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78250MC-R 데이터시트(HTML) 1 Page - Murata Power Solutions Inc. |
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1 / 5 page  KMP_78250C_D03 Page 1 of 5 78250 Series MAX250/MAX251 Compatible Converter Transformers www.murata-ps.com For full details go to www.murata-ps.com/rohs www.murata.com FEATURES RoHS compliant Maxim MAX250/MAX251 compatible Isolation to 4kVrms Industry-standard pinout Surface mount option UL 94 V-0 package materials Low profile Toroidal construction Fully encapsulated Industrial temperature range DESCRIPTION The 78250 series of converter transformers are specifically designed for use with Maxim chipsets to provide isolated RS232 interfaces. Carefully controlled turns ratios ensure consistent performance whilst a toroidal construction minimises EMI. Surface-mount parts The surface-mount (M suffix) products are not recommended for new designs. For recommended alternatives please refer to the 78250J Series datasheet. CHARACTERISTICS 78250C Parameter Conditions Min. Typ. Max. Units Primary Inductance, L P 10kHz, 100mV 1.0 2.0 2.5 mH Leakage Inductance, L L 100kHz, 100mV 2.0 3.0 μH Interwinding Capacitance, C WW 100kHz, 100mV 69 90 pF Primary D.C. Resistance, R DC <0.1VDC 1.0 2.0 Ω Volt-time Product, Et Pins1/2 or 2/3 50 Vμs CHARACTERISTICS 78250VC Parameter Conditions Min. Typ. Max. Units Primary Inductance, L P 10kHz, 100mV 1.0 2.0 2.5 mH Leakage Inductance, L L 100kHz, 100mV 35 40 μH Interwinding Capacitance, C WW 100kHz, 100mV 9 12 pF Primary D.C. Resistance, R DC <0.1VDC 1.4 1.8 Ω Volt-time Product, Et Pins1/2 or 2/3 50 Vμs CHARACTERISTICS 78250MC Recommended Alternative Parameter Conditions Min. Typ. Max. Units Primary Inductance, L P 10kHz, 100mV 1.0 2.0 2.5 mH 78250JC Leakage Inductance, L L 100kHz, 100mV 2.0 3.0 μH Interwinding Capacitance, C WW 100kHz, 100mV 69 90 pF Primary D.C. Resistance, R DC <0.1VDC 1.0 2.0 Ω Volt-time Product, Et Pins1/2 or 2/3 50 Vμs CHARACTERISTICS 78250MVC Recommended Alternative Parameter Conditions Min. Typ. Max. Units Primary Inductance, L P 10kHz, 100mV 1.0 2.0 2.5 mH 78250JVC Leakage Inductance, L L 100kHz, 100mV 35 40 μH Interwinding Capacitance, C WW 100kHz, 100mV 9 12 pF Primary D.C. Resistance, R DC <0.1VDC 1.4 1.8 Ω Volt-time Product, Et Pins1/2 or 2/3 50 Vμs ORDER CODE DETAILS Order Code Package Type Packaging Type Quantity 78250C / 78250VC 6 Pin DIL Tube 50 78250MC / 78250MVC 6 Pin SM Tube 50 78250MC-R / 78250MVC-R 6 Pin SM Tape & Reel 500 All specifications typical at T A =25°C ABSOLUTE MAXIMUM RATINGS Operating free air temperature range -40°C to 85°C Storage temperature range -50°C to 125°C Lead temperature 1.5mm from case for 10 seconds 300°C Peak current, I PK 300mA Isolation voltage 78250(M)C (flash tested for 1 second) 1.5kVrms Isolation voltage 78250(M)VC (flash tested for 1 second) 4.0kVrms |
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