Corcom T Series RFI Power Line Filters
The Corcom T Series offers high-performance RFI filtering for switching power supplies, providing superior common-mode and premium differential-mode attenuation. These filters are designed to be size and cost-effective, with ET models capable of meeting very low leakage current requirements. They are UL Recognized, CSA Certified, and VDE Approved.
Key Features
- Superior common-mode and premium differential-mode attenuation
- Smaller package sizes compared to the EP Series
- Size and cost-effective
- ET models assist in meeting very low leakage current requirements
Specifications
Maximum leakage current (each Line to Ground):
| Current Rating | Model Type | @120 VAC 60 Hz | @250 VAC 50 Hz |
|---|---|---|---|
| 3, 6 & 10A | ET Models | .30 mA | .50 mA |
| 3, 6 & 10A | VT Models | .75 mA | 1.2 mA |
| 15 & 20A | ET Models | .30 mA | .50 mA |
| 15 & 20A | VT Models | 1.2 mA | 2.0 mA |
Hipot rating (one minute):
- Line to Ground: 2250 VDC
- Line to Line: 1450 VDC
Rated Voltage (max): 250 VAC
Operating Frequency: 50 / 60 Hz
Rated Current: 3 to 20A
Operating Ambient Temperature Range (at rated current Ir): -10°C to +40°C
Note: In ambient temperatures above +40°C, the maximum operating current (Io) is calculated as: Io = Ir \(\(85-\text{Ta}) / 45\)
Ordering Information
The part number is structured as follows:
Current Rating - Leakage Current Designation - Input / Output Style
- Current Rating: 3, 6, 10, 15, or 20A
- Leakage Current Designation: E (Low leakage, <0.5 mA), V (Standard)
- Input / Output Style:
- 1: .250 [6.3] spade terminals
- 3: Wire leads
- 6: Threaded bolt
- 7: IEC inlet* (line side) with .250 [6.3] spade terminals (load side)
* IEC 60320-1 C14 inlet mates with C13 connector.
Available Part Numbers Example
- 3ET1, 3ET3, 3ET7
- 6ET1, 6ET3, 6ET7
- 10ET1, 10ET3, 10VT1, 10VT3
- 15ET1, 15ET6, 15VT1, 15VT6
- 20ET1, 20ET6, 20VT1, 20VT6
Electrical Schematics
The following diagrams illustrate the typical electrical configurations for different current ratings:
3 & 6A Schematic
[Diagram showing a pi-filter configuration with two inductors, three capacitors, and a resistor between line and ground, and line to line.]
10A Schematic
[Diagram showing a more complex pi-filter configuration with two inductors, a transformer, three capacitors, and a resistor between line and ground, and line to line.]
15 & 20A Schematic
[Diagram showing a further enhanced pi-filter configuration with two inductors, a transformer, three capacitors, and a resistor between line and ground, and line to line.]
Accessories
- GA400: NEMA 5-15P to IEC 60320-1 C-13 line cord. [Image of a power cord with a NEMA 5-15P plug on one end and an IEC C-13 connector on the other.]
Case Styles and Dimensions
T1 (3, 6, 10A)
[Diagram showing the T1 case style with dimensions labeled A, B, C, D, E. Terminals are shown on the sides.]
Typical Dimensions:
- Line/Load Terminals (4): .250 [6.3] with .07 [1.8] Dia. hole
- Ground Terminal (1): .250 [6.3] with .07 x .16 [1.8 x 3.8] slot
- Mounting Holes (2): .188 [4.78] Dia.
T1 (15 & 20A)
[Diagram showing the T1 case style for 15 & 20A models with dimensions labeled A, B, C, D, E. Terminals are shown on the sides.]
Typical Dimensions:
- Line/Load Terminals (4): .250 [6.3] with .07 [1.8] Dia. hole
- Ground Terminal (1): .250 [6.3] with .07 x .16 [1.8 x 3.8] slot
- Mounting Slots (4): .250 x .156 [6.35 x 3.96] Dia.
T3
[Diagram showing the T3 case style with wire leads and mounting holes. Dimensions A, C, D, E are indicated.]
Typical Dimensions:
- Wire Leads (5): 4.0 [101.6] Min., AWG18
- Mounting Holes (2): .188 [4.78] Dia.
T6
[Diagram showing the T6 case style with terminals and mounting slots. Dimensions A, B, C, D, E are indicated.]
Typical Dimensions:
- Terminals (5)
- Mounting Slots (4)
T7
[Diagram showing the T7 case style with an IEC inlet and tapped inserts. Dimensions A, B, C, D, E are indicated.]
Typical Dimensions:
- Load Terminals (2)
- Ground Terminal (1)
- Line Inlet (1)
- Tapped Inserts (2)
Case Dimensions
| Part No. | A (max) | B (max) | C (max) | D (± 0.01) | E (max) |
|---|---|---|---|---|---|
| 3ET1, 6ET1 | 3.56 (90.4) | 2.15 (54.6) | 1.81 (46.0) | 2.938 (74.63) | 3.38 (85.9) |
| 3ET3, 6ET3 | 2.55 (64.8) | 2.15 (54.6) | 1.81 (46.0) | 2.938 (74.63) | 3.38 (85.9) |
| 3ET7, 6ET7 | 3.52 (89.4) | 2.25 (57.2) | 1.78 (45.2) | 1.575 (40.01) | 0.63* (16.0*) |
| 10ET1, 10VT1 | 4.69 (119.1) | 2.27 (57.7) | 1.80 (45.7) | 4.063 (103.2) | 4.47 (113.5) |
| 10ET3, 10VT3 | 3.69 (93.7) | 2.27 (57.7) | 1.80 (45.7) | 40.63 (103.2) | 4.47 (113.5) |
| 15ET1, 15VT1, 20ET1, 20VT1 | 5.45 (138.4) | 3.12 (79.2) | 2.18 (55.4) | 3.5 (88.9) | 3.96 (100.6) |
| 15ET6, 15VT6, 20ET6, 20VT6 | 5.95 (151.1) | 3.12 (79.2) | 2.18 (55.4) | 3.5 (88.9) | 3.96 (100.6) |
* ± 0.02 [0.5]
Tolerance ± .005 [0.13]
Dimensions are in inches and millimeters unless otherwise specified. Values in italics are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change.
Performance Data
Typical Insertion Loss
Measured in closed 50 Ohm system.
3ET Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 3ET models.]
6ET Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 6ET models.]
10ET Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 10ET models.]
15ET Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 15ET models.]
20ET Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 20ET models.]
10VT Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 10VT models.]
15VT Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 15VT models.]
20VT Insertion Loss
[Graph showing insertion loss (dB) vs. frequency (MHz) for common mode and differential mode for 20VT models.]
Minimum Insertion Loss
Measured in closed 50 Ohm system.
Common Mode / Asymmetrical (Line to Ground)
| Current Rating | Frequency - MHz | .01 | .03 | .05 | .15 | .5 | 1 | 2 | 5 | 10 | 20 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ET Models | ||||||||||||
| 3A | 22 | 32 | 36 | 46 | 47 | 44 | 43 | 40 | 42 | 42 | 42 | |
| 6A | 16 | 26 | 30 | 41 | 47 | 44 | 43 | 43 | 40 | 42 | 42 | |
| 10A | 12 | 22 | 26 | 36 | 47 | 42 | 42 | 40 | 42 | 42 | 45 | |
| 15A | 8 | 17 | 22 | 31 | 43 | 44 | 44 | 42 | 47 | 52 | 43 | |
| 20A | 3 | 12 | 17 | 26 | 34 | 36 | 37 | 37 | 42 | 47 | 38 | |
| VT Models | ||||||||||||
| 10A | 12 | 22 | 26 | 38 | 52 | 50 | 50 | 50 | 50 | 50 | 50 | |
| 15A | 8 | 17 | 22 | 33 | 52 | 52 | 52 | 52 | 57 | 45 | 35 | |
| 20A | 3 | 12 | 17 | 29 | 42 | 47 | 50 | 51 | 55 | 40 | 30 |
Differential Mode / Symmetrical (Line to Line)
| Current Rating | Frequency - MHz | .01 | .03 | .05 | .15 | .5 | 1 | 2 | 5 | 10 | 20 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ET Models | ||||||||||||
| 3A | 3 | 1 | 30 | 61 | 70 | 70 | 70 | 50 | 50 | 50 | 55 | |
| 6A | 4 | 2 | 14 | 51 | 70 | 70 | 70 | 65 | 47 | 50 | 55 | |
| 10A | 7 | 12 | 17 | 52 | 70 | 70 | 70 | 65 | 55 | 50 | 60 | |
| 15A | 12 | 19 | 15 | 51 | 70 | 70 | 70 | 70 | 70 | 65 | 60 | |
| 20A | 10 | 17 | 13 | 51 | 70 | 70 | 70 | 70 | 67 | 65 | 60 | |
| VT Models | ||||||||||||
| 10A | 7 | 12 | 17 | 52 | 70 | 70 | 70 | 65 | 65 | 50 | 65 | |
| 15A | 12 | 19 | 15 | 51 | 70 | 70 | 70 | 70 | 70 | 65 | 60 | |
| 20A | 10 | 17 | 13 | 51 | 70 | 70 | 70 | 70 | 67 | 65 | 60 |
Dimensions are in inches and millimeters unless otherwise specified. Values in italics are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change.
