HQ Series
Designed to provide the highest available attenuation of RFI noise in the frequency range from 10kHz to 30MHz for low leakage current appli
Ordering Information

Specifications
Maximum leakage current, each Line to Ground: |
| @ 120 VAC 60 Hz | 2 µA |
| @ 250 VAC 50 Hz | 5 µA |
| | |
Hipot rating (one minute): |
| Line to Ground | 2250 VDC |
| Line to Line | 1450 VDC |
| | |
Operating Frequency: | 50 / 60 Hz |
| | |
Rated voltage (max.): | 250 VAC |
| | |
Rated Current: | 3A to 6A |
| |
Operating Ambient Temperature Range (at rated current Ir): |
| | -10°C to +40°C |
In an ambient temperature (Ta) higher than +40°C the maximum operating current (Io) is calculated as follows: Io = Ir √(85-Ta)/4 |
Electrical Schematics
3EHQ
6EHQ

Available Part Numbers
Click on any part number for 3D CAD models, customer drawings, distributor stock status and eCommerce Links.
3EHQ1 | 6EHQ1 |
3EHQ3 | 6EHQ3 |
3EHQ8 | 6EHQ8 |
3EHQ8M | 6EHQ8M |
Accessories
GA400:NEMA 5-15P to IEC 60320-1 C13 line cord
Case Styles
HQ1
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 [4.75] Dia. |
Typical Dimensions: |
| Wire leads (3): | .4.0 [101.6] Min. |
| Line Inlet (1): | IEC-60320-1 C14 |
| HQ8 Inserts (2): | 6-32 x 1/4 |
| HQ8M Inserts (2): | M3 x .5 |
HQ3

3EHQ8 & 3EHQ8M (with metric insert
Typical Dimensions: |
| Wire leads (3): | .4.0 [101.6] Min. |
| Line Inlet (1): | IEC-60320-1 C14 |
| HQ8 Inserts (2): | 6-32 x 1/4 |
| HQ8M Inserts (2): | M3 x .5 |
Case Dimensions
Part No. | A | B | C | D | E |
(max.) | (max.) | (max.) | ±.015 | (max.) |
± .38 |
3EHQ1 | 3.85 | 2.07 | 1.78 | 2.938 | 3.34 |
97.8 | 52.6 | 45.2 | 74.63 | 84.8 |
|
3EHQ3 | 2.56 | 2.07 | 1.78 | 2.938 | 3.34 |
65.0 | 52.6 | 45.2 | 74.63 | 84.8 |
|
3EHQ8, 3EHQ8M | 3.07 | 2.25 | 1.78 | 1.575 | 0.63* |
78.0 | 57.2 | 45.2 | 40.01 | 16.0* |
|
6EHQ1 | 4.98 | 2.27 | 1.8 | 4.063 | 4.47 |
126.5 | 57.7 | 45.7 | 103.2 | 113.5 |
|
6EHQ3 | 3.69 | 2.27 | 1.8 | 4.063 | 4.47 |
93.7 | 57.7 | 45.7 | 103.2 | 113.5 |
|
6EHQ8, 6EHQ8M | 5.47 | 2.07 | 1.78 | 1.575 | 2.7* |
138.9 | 52.6 | 45.2 | 40.01 | 68.6* |
|
Minimum Insertion Loss in dB: |
Measured in closed 50 ohm system |
| | |
Common Mode / Asymmetrical (Line to Ground) | | Differential Mode / Symmetrical (Line to Line) |
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|
Current Rating | Frequency - MHz | .01 | .02 | .05 | .15 | .5 | 1 | 2 | 5 | 7 | 10 | 20 | 30 |
| 3A | 19 | 24 | 32 | 44 | 44 | 40 | 38 | 28 | 25 | 22 | 13 | 10 | 6A | 24 | 29 | 39 | 42 | 28 | 35 | 36 | 30 | 30 | 24 | 16 | 15 |
|
| | Current Rating | Frequency - MHz | .01 | .02 | .05 | .15 | .5 | 1 | 2 | 5 | 7 | 10 | 20 | 30 |
| 3A | 1 | 18 | 43 | 68 | 75 | 75 | 72 | 70 | 66 | 65 | 60 | 60 | 6A | 6 | 10 | 43 | 70 | 75 | 75 | 75 | 65 | 50 | 55 | 50 | 40 |
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