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Specifications
Filter Type:
DC Filter
Voltage - Input:
75V
Mounting Type:
Through Hole
Current Rating:
5mA
Mfr. Part #:
VFM-70-D
Package:
Through Hole
Key Attributes
Model Number:
VFM-70-D
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 protection against input voltage fluctuations and features a soft-start function. Available in DIP, Chassis, and DIN Rail mounting versions, this filter is ideal for applications requiring reliable power conditioning and electromagnetic interference suppression.
Product Attributes
- Brand: CUI
- Series: VFM-70
- Certifications: IEC/EN61000-4 standard, CISPR22/EN55022 compliant
- Mounting Options: DIP, Chassis, DIN Rail
- Material: Black flame-retardant heat-proof epoxy resin (UL94V-0) for case
- Warranty: 2 year limited warranty
Technical Specifications
| Parameter | Conditions/Description | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Voltage | 36 | 48 | 75 | Vdc | |
| Output Power | at 48 Vdc | 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 ±6 kV | 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 (1.2µs/50µs 2“) / ±4 kV (1.2 µs/50 µs 12 “) | Class B | |||
| Conducted Immunity | IEC/EN61000-4-6, 10 Vr.m.s | Class A | |||
| MTBF | as per MIL-HDBK-217F, 40°C | 1,000,000 | hours | ||
| RoHS | yes | ||||
| 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 | 19.00 | mm [inch] | ||
| Dimensions (Chassis Mount) | 76.00 | 27.80 | mm [inch] | ||
| Dimensions (DIN-Rail Mount) | 76.00 | 32.40 | mm [inch] | ||
| Weight (Board Mount) | 50 | g | |||
| Weight (Chassis Mount) | 70 | g | |||
| Weight (DIN-Rail Mount) | 90 | g |
2411192348_CUI-VFM-70-D_C5991463.pdf
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