EMI Filters for UPS

EMI stands for “Electromagnetic Interference”, also known as electrical noise. Thus, an EMI filter is used for noise suppression, and all modern designs include at least one. EMI can be in the wiring of a circuit or it can be radiated through the air (referred to as “RFI.”) EMI shielding and filtering is required by government standards.

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Capacitance
Tolerance
Minimum Operating Temperature
Maximum Operating Temperature
Length
Width
Height
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Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1812 500V .1uF 20% X7R X2Y Filter
Datasheet
501In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

0.1 uF 20 % - 55 C + 125 C 4.5 mm (0.177 in) 3.2 mm (0.126 in) 2 mm (0.079 in) X2Y IPC - E03 Reel, Cut Tape, MouseReel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1812 500V .039uF 20% X7R X2Y Filter
Datasheet
1,000Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

0.039 uF 20 % - 55 C + 125 C 4.5 mm (0.177 in) 3.2 mm (0.126 in) 2 mm (0.079 in) X2Y IPC - E03 Reel, Cut Tape, MouseReel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1206 200V .01uF 20% X7R X2Y Filter
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

0.01 uF 20 % - 55 C + 125 C 3.2 mm (0.126 in) 1.6 mm (0.063 in) 1.1 mm (0.043 in) X2Y IPC - E03 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1812 500V.0027uF 20% X7R X2Y Filter
Datasheet
Lead-Time 10 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 500

2700 pF 20 % - 55 C + 125 C 4.5 mm (0.177 in) 3.2 mm (0.126 in) 2 mm (0.079 in) X2Y IPC - E03 Reel, Cut Tape, MouseReel