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Specifications
Filter Type:
DC Filter
Voltage - Input:
75V
Current Rating:
5mA
Mounting Type:
DIN Rail
Mfr. Part #:
VFM-70-DIN
Key Attributes
Model Number:
VFM-70-DIN
Product Description
Product Overview
The CUI VFM-70 Series is a high-efficiency DC power line filter designed to meet stringent EMI standards. With up to 98% efficiency and soft-start functionality, it offers reliable performance and protection for sensitive electronic equipment. Available in DIP, Chassis, and DIN Rail mounting versions, it ensures versatile integration into various system architectures.
Product Attributes
- Brand: CUI
- Certifications: IEC/EN61000-4, CISPR22/EN55022
- Material: Black flame-retardant heat-proof epoxy resin (UL94V-0)
- Warranty: 2 Year Limited Warranty
Technical Specifications
| Parameter | Conditions/Description | Min | Typ | Max | Units |
| Series | VFM-70 | ||||
| Input Voltage | 36 | 48 | 75 | Vdc | |
| Output Power | 75 | W | |||
| Efficiency | at 48 Vdc, full load | 97 | % | ||
| 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 | ||
| RoHS | yes | ||||
| 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 | [inch] | |||
| Dimensions (Chassis Mount) | 76.00 x 31.50 x 27.80 | [inch] | |||
| Dimensions (DIN-Rail Mount) | 76.00 x 31.50 x 32.40 | [inch] | |||
| Weight (Board Mount) | 50 | g | |||
| Weight (Chassis Mount) | 70 | g | |||
| Weight (DIN-Rail Mount) | 90 | g |
2411192348_CUI-VFM-70-DIN_C7410266.pdf
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