CUI VFM-30-W DC Power Line Filter
The CUI VFM-30-W is a compact, high-efficiency DC power line filter designed to meet stringent industry standards for electromagnetic compatibility. With up to 98% efficiency, it offers reliable performance and protection for various applications. Available in DIP, Chassis, and DIN Rail mounting versions, it provides flexible integration options. The filter is compliant with CISPR22/EN55022 and meets IEC/EN61000-4 standards, ensuring robust protection against conducted and radiated emissions, as well as ESD, EFT/burst, surge, and conducted immunity disturbances. It is suitable for applications requiring input voltage protection and a clean DC power supply.
Product Attributes
- Brand: CUI
- Certifications: IEC/EN61000-4, CISPR22/EN55022 Class B, RoHS
- Material: Black flame-retardant heat-proof epoxy resin (UL94V-0)
Technical Specifications
| Parameter | Conditions/Description | Min | Typ | Max | Units |
| Input Voltage | 18 | 48 | 75 | Vdc | |
| Output Power | 30 | W | |||
| No Load Input Current | at 48 Vdc | 10 | mA | ||
| Efficiency | at 48 Vdc, full load | 98 | % | ||
| Isolation Voltage | +Vin to GND, -Vin to GND, at 1 minute and leakage current 5 mA max | 500 | Vac | ||
| Conducted Emissions | CISPR22/EN55022, 150 kHz ~ 30 MHz | Class B | |||
| Radiated Emissions | CISPR22/EN55022, 30 MHz ~ 1 GHz | Class B | |||
| ESD | IEC/EN61000-4-2, air ±8 kV, contact ±6 kV, class B | Class B | |||
| Radiated Immunity | IEC/EN61000-4-3, 10 V/m, class A | Class A | |||
| EFT/Burst | IEC/EN61000-4-4, ±4 kV(5 kHz, 100 kHz), class B | Class B | |||
| Surge | IEC/EN61000-4-5, ±2 kV (1.2μs/50μs 2Ω)/±4 kV (1.2 μs/50 μs 12 Ω), class B | Class B | |||
| Conducted Immunity | IEC/EN61000-4-6, 10 Vr.m.s, class A | Class A | |||
| MTBF | as per MIL-HDBK-217F, 40°C | 1,000,000 | hours | ||
| Operating Temperature | -40 | 85 | °C | ||
| Storage Temperature | -55 | 125 | °C | ||
| Storage Humidity | non-condensing | 5 | 95 | % | |
| Solderability (Board Mount) | Hand soldering for 3~5 seconds | 350 | 360 | 370 | °C |
| Solderability (Board Mount) | Wave soldering | 260 | °C | ||
| Dimensions (Board Mount) | 53.80 x 28.80 x 19.00 | mm [inch] | |||
| Dimensions (Chassis Mount) | 76.00 x 31.50 x 27.80 | mm [inch] | |||
| Dimensions (DIN-Rail Mount) | 76.00 x 31.50 x 32.40 | mm [inch] | |||
| Weight (Board Mount) | 50 | g | |||
| Weight (Chassis Mount) | 70 | g | |||
| Weight (DIN-Rail Mount) | 90 | g |
2411220716_CUI-VFM-30-W-D_C7104456.pdf
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