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Specifications
Filter Type:
DC Filter
Voltage - Input:
36V
Mounting Type:
Through Hole
Current Rating:
5mA
Mfr. Part #:
VFM-50-D
Package:
Through Hole
Key Attributes
Model Number:
VFM-50-D
Product Description
Product Overview
The CUI VFM-50 series is a compact, high-efficiency DC power line filter designed to meet stringent industry standards for conducted and radiated emissions. With up to 98% efficiency and protection against input voltage fluctuations, it offers reliable performance in various mounting configurations including DIP, chassis, and DIN rail. This filter is ideal for applications requiring robust EMI/RFI suppression and stable DC power delivery.
Product Attributes
- Brand: CUI
- Certifications: IEC/EN61000-4, CISPR22/EN55022, RoHS
- Material: Black flame-retardant heat-proof epoxy resin (UL94V-0)
- Color: Black
- Warranty: 2 year limited
Technical Specifications
| Parameter | Conditions/Description | Min | Typ | Max | Units |
| Series | VFM-50 | ||||
| Output Power | 50 | W | |||
| Input Voltage | 18 | 24 | 36 | Vdc | |
| Efficiency | at 24 Vdc, full load | 98 | % | ||
| Isolation Voltage | +Vin to GND, -Vin to GND, at 1 minute | 500 | Vac | ||
| Leakage Current | 5 | mA | |||
| 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 (1.2μs/50μs 2Ω>)/±4 kV (1.2 μs/50 μs 12 Ω>) | 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 | ||
| 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 |
2411192355_CUI-VFM-50-D_C7410262.pdf
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