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Specifications
Filter Type:
DC Filter
Voltage - Input:
75V
Current Rating:
5mA
Mounting Type:
Base Mount
Mfr. Part #:
VFM-70-T
Key Attributes
Model Number:
VFM-70-T
Product Description
Product Overview
The CUI VFM-70 Series is a high-efficiency DC power line filter designed to meet stringent EMC standards. It offers up to 98% efficiency and features a soft-start function. Available in DIP, Chassis, and DIN Rail mounting versions, it provides input voltage protection and is compliant with CISPR22/EN55022 and IEC/EN61000-4 standards, making it suitable for applications requiring robust noise suppression and reliable power conditioning.
Product Attributes
- Brand: CUI
- Series: VFM-70
- Certifications: IEC/EN61000-4, CISPR22/EN55022, RoHS
- Mounting Options: DIP, Chassis, DIN Rail
- Case Material: Black flame-retardant heat-proof epoxy resin (UL94V-0)
Technical Specifications
| Parameter | Conditions/Description | Min | Typ | Max | Units |
| Input Voltage | 36 | 48 | 75 | Vdc | |
| Output Power | 75 | W | |||
| No Load Input Current | at 48 Vdc | 5 | mA | ||
| Efficiency | at 48 Vdc, full load | 97 | 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 6kV | class B | |||
| Radiated Immunity | IEC/EN61000-4-3, 10 V/m | class A | |||
| EFT/Burst | IEC/EN61000-4-4, 4 kV(5 kHz, 100 kHz) | class B | |||
| Surge | IEC/EN61000-4-5, 2 kV (1.2s/50s 2)/4 kV (1.2 s/50 s 12 ) | class B | |||
| Conducted Immunity | IEC/EN61000-4-6, 10 Vr.m.s | class A | |||
| MTBF | as per MIL-HDBK-217F, 40C | 1,000,000 | hours | ||
| Operating Temperature | -40 | 85 | C | ||
| Storage Temperature | -55 | 125 | C | ||
| Storage Humidity | non-condensing | 5 | 95 | % | |
| Solderability (Hand Soldering) | for 3~5 seconds | 350 | 360 | 370 | C |
| Solderability (Wave Soldering) | see wave soldering profile | 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 |
2411192348_CUI-VFM-70-T_C6913899.pdf
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