For more information, please visit the product page. date 03/2010 page 1 of 7 DESCRIPTION: DC EMI FILTER SERIES: VFM-XX FEATURES •compact size •suitable for use with a wide range of dc-dc converters •reduces common and differential mode noise RoHS MODEL input voltage input surge voltage1 input current isolation voltage2 range (V dc) nominal (V dc) max. (A) min. (V dc) VFM-10A 0 ~ 75 100 10 1,500 VFM-15C 0 ~ 75 100 15 1,500 VFM-20A 0 ~ 75 100 20 1,500 VFM-25C 0 ~ 36 50 25 1,500 1) for 100 ms 2) input to ground, output to ground GENERAL parameter conditions/description dimensions VFM-10A: VFM-15C: VFM-20A: VFM-25C: min nom max units 2.00x1.00x0.46 inch 50.8x25.4x11.7 mm 4.06x3.11x0.89 inch 103.2x79x22.7 mm 2.00x1.60x0.50 inch 50.8x40.6x12.7 mm 4.06x3.11x0.89 inch 103.2x79x22.7 mm case material VFM-10A/20A: black plastic VFM-15C/25C: black coated steel isolation voltage input to ground, output to ground 1,500 isolation resistance input to ground, output to ground 10 dc resistance total for two legs V dc 7 16 m ENVIRONMENTAL parameter conditions/description cooling natural convection min operating temperature max units -40 100 °C 100 °C -40 100 °C case temperature storage temperature 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 nom fax 503.612.2383 www.v-infinity.com For more information, please visit the product page. date 03/2010 page 2 of 7 DESCRIPTION: DC EMI FILTER SERIES: VFM-XX DRAWING (VFM-10A) 2.00 [50.8] 0.475 [12.06] 0.15 [3.8] 1.225 [31.12] 2 5 0.12 [3.2] NOTE:Pin Size is ø0.04 inch (ø1.02 mm) All Dimensions in inches (mm) Tolerances: Inches: X.XX= ±0.02, X.XXX= ±0.010 Millimeters: X.X= ±0.5 , X.XX=±0.25 4 0.750 [19.05] 1 BOTTOM VIEW PIN CONNECTION 1.00 [25.4] 3 Pin Function 1 +V Input 2 -V Input 0.22 [5.6] min. 3 +V Output 4 -V Output 0.46 [11.7] 5 GND 0.040 [1.02] SIDE VIEW DRAWING (VFM-20A) 2.00 [50.8] 0.700 [17.78] 0.15 [3.8] 0.15 [3.8] 1.000 [25.40] 5 BOTTOM VIEW 0.25 [6.3] 6 1 0.200 [5.08] 0.200 [5.08] 7 0.200 [5.08] 9 2 8 0.200 [5.08] 3 0.200 [5.08] 0.150 [3.81] 0.200 [5.08] 1.60 [40.6] 4 DIMENSIONS: NOTE:Pin Size is ø0.04 inch (ø1.02 mm) All Dimensions in inches (mm) Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010 Millimeters: X.X= ±0.5 , X.XX=±0.25 0.040 [1.02] 0.22 [5.6] min. SIDE VIEW 20050 SW 112th Ave. Tualatin, Oregon 97062 PIN CONNECTION Pin Function 1,2 +V Input 3,4 -V Input 5,6 +V Output 7,8 -V Output 9 GND 0.50 [12.7] phone 503.612.2300 fax 503.612.2383 www.v-infinity.com For more information, please visit the product page. date 03/2010 page 3 of 7 SERIES: VFM-XX DESCRIPTION: DC EMI FILTER [R 2. 25 ] 2.92 [74.2] 2.16 [55.0] 1.51 [38.5] 3.70 [94.2] CONVERTER -Vin +Vin 0.03 [1.0] 88 3.11 [79.0] .0 0.89 [22.7] POWER +Vin -Vin GND R0 2.79 [71.0] 4- 4-0.47 [12.0] DRAWING (VFM-15C/25C) 3.15 [80.0] 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com For more information, please visit the product page. date 03/2010 page 4 of 7 SERIES: VFM-XX DESCRIPTION: DC EMI FILTER VFM-10A INTERNAL SCHEMATIC VFM-20A INTERNAL SCHEMATIC VFM-15C/25C INTERNAL SCHEMATIC 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com For more information, please visit the product page. date 03/2010 page 5 of 7 DESCRIPTION: DC EMI FILTER SERIES: VFM-XX INSERTION LOSS (VFM-10A) COMMON MODE DIFFERENTIAL MODE ˃ ˃ ˀ˄˃ ˀ˄˃ ˀ˅˃ ˀ˅˃ ˀˆ˃ ˚˴˼́ ˀˇ˃ dB dB ˀˆ˃ ˚˴˼́ ˀˇ˃ ˀˈ˃ ˀˈ˃ ˀˉ˃ ˀˉ˃ ˀˊ˃ ˀˊ˃ ˀˋ˃ ˀˋ˃ ˀˌ˃ ˀˌ˃ ˄˃˃ ˄˃˃˃ KHz ˄˃˃˃˃ ˄˃˃ ˄˃˃˃˃˃ ˄˃˃˃ ˄˃˃˃˃ KHz ˄˃˃˃˃˃ INSERTION LOSS (VFM-15C) COMMON MODE DIFFERENTIAL MODE ˃ ˃ ˀ˄˃ ˀ˅˃ ˀ˄˃ ˀˆ˃ ˀ˅˃ dB dB ˀˇ˃ ˚˴˼́ ˚˴˼́ ˀˈ˃ ˀˉ˃ ˀˊ˃ ˀˋ˃ ˀˆ˃ ˀˌ˃ ˀ˄˃˃ ˀˇ˃ ˀ˄˄˃ ˄˃˃ ˄˃˃˃ ˄˃˃˃˃ ˄˃˃˃˃˃ ˄˃˃ KHz ˄˃˃˃ ˄˃˃˃˃ ˄˃˃˃˃˃ KHz INSERTION LOSS (VFM-20A) COMMON MODE DIFFERENTIAL MODE 0 0 -10 -10 -20 -20 -30 Gain -40 dB dB -30 -50 -60 -60 -70 -70 -80 -80 -90 -90 100 Gain -40 -50 1000 10000 100000 100 KHz 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 1000 10000 100000 KHz fax 503.612.2383 www.v-infinity.com For more information, please visit the product page. date 03/2010 page 6 of 7 DESCRIPTION: DC EMI FILTER SERIES: VFM-XX INSERTION LOSS (VFM-25C) COMMON MODE DIFFERENTIAL MODE 0 0 -10 -5 -20 -30 -10 Gain dB dB -40 -15 -20 Gain -50 -60 -70 -25 -80 -90 -30 -100 -35 -110 100 1000 10000 100000 100 KHz 1000 10000 100000 KHz APPLICATION NOTES The following application note shows EN55022 class B conducted emissions tests for the VFM-XX series EMI filters in series with a VHK or VHB series DC/DC converter and a purely resistive load. This information is for example only. Actual results may vary. 1) EMI Filtering - Connection Diagram Filter Model (VFM-XX) VFM-10A VFM-15C VFM-20A VFM-25C DC-DC Converter Model (VHXXXW) C1 C2 CY1 CY2 CY3 CY4 VHB50W-Q24-S5 47 μF/100 V KY ••• ••• ••• ••• ••• VHB50W-Q48-S5 47 μF/100 V KY ••• ••• ••• ••• ••• VHK200W ••• ••• ••• ••• ••• ••• VHB150W-Q24-S5 47 μF/100 V KY 220 μF/100 V KY 1000 pF / 2 KV ••• 1000 pF / 2 KV 560 pF/2 KV VHB150W-Q48-S5 ••• 220 μF/100 V KY 1000 pF / 2 KV ••• 1000 pF / 2 KV 560 pF/2 KV VHK200W ••• ••• ••• ••• ••• ••• DC-DC POWER SUPPLY SPECTRUM ANALYZER LISN C1 VFM-XX GND C2 VHBXXW CY4 CY3 CY1 CY2 LOAD 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com For more information, please visit the product page. date 03/2010 page 7 of 7 SERIES: VFM-XX DESCRIPTION: DC EMI FILTER 2) Conducted Emission Measurement Filter Model: VFM-10A Filter Model: VFM-15C Filter Model: VFM-20A Filter Model: VFM-25C DC-DC Converter Model: VHB50W-Q24-S5 Input Voltage: 12 V dc DC-DC Converter Model: VHB150W-Q24-S5 Input Voltage: 12 V dc 20050 SW 112th Ave. Tualatin, Oregon 97062 DC-DC Converter Model: VHK200W-Q48-S12 Input Voltage: 48 V dc DC-DC Converter Model: VHK200W-Q24-S12 Input Voltage: 24 V dc phone 503.612.2300 fax 503.612.2383 www.v-infinity.com