Japan, Seiwa Electric MFG. Co.
Seiwa E04SR401938 SR, SRM and SRS Types Split Cores
Made in Japan
Manufacturer: SEIWA ELECTRIC MFG.CO.,LTD
Model: E04SR401938
Features
The ferrite’s high frequency wave absorption characteristic is effectively used to absorb high frequency noise.
Since the ferrite core is integral with its plastic resin case, it can be fitted to an interface or power cable very easily.
The ferrite core effectively suppresses common mode noise without any unfavorable influence on the quality of signals.
The ferrite core is available in a variety of sizes to suit different cable diameters.
Case material: Nylon 66 (UL94 V-0)
We also supply a range of models which match a cable diameter of 19mm.
An external form
Dimension
Application
Countermeasures against unwanted radiation or noise terminal voltage caused by interface cables for various digital devices or immunity enhancement measures.
SR type: Intended to be fastened with a supplied binding band.
SR-A type: Intended to be fixed to a cable.
SR-AB type: The plastic resin case is black.
E04SRB: Intended to be fixed to an enclosure. Mounting hole diameter range 4.8-4.9 mm,
Thickness range 0.5-2.0mm (for E04SR200917)
Characteristic Graph(Impedance-Frequency curve)
| Part No. | Dimensions(mm) | Max. Applicable Cable Diameter (mm) | ||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| E04SR311835F | 35.0 | – | 17.5 | 30.8 | 12.2 | 17.5×2.6 |
| E04SR150718 | 22 | 18 | 7 | 15.0 | – | 7.0 |
| E04SR200917 | 21 | 17 | 9 | 20.0 | – | 9.0 |
| E04SR200932 | 36 | 32 | 9 | 19.5 | – | 9.0 |
| E04SR211132 | 36 | 32 | 11 | 20.5 | – | 11.0 |
| E04SR301334 | 39 | 34 | 13 | 30.0 | – | 13.0 |
| E04SR401938 | 61 | 38 | 19 | 40.0 | – | 19.0 |
| E04SR130525A | 25 | 20 | 5 | 12.8 | 11.2 | 3.0-5.0 |
| E04SR130525AB | 25 | 20 | 5 | 12.8 | 11.2 | 3.0-5.0 |
| E04SR170730A | 30 | 23 | 7 | 16.5 | 15.0 | 4.0-7.0 |
| E04SR170730AB | 30 | 23 | 7 | 16.5 | 15.0 | 4.0-7.0 |
| E04SR200935A | 35 | 28 | 9 | 19.5 | 17.4 | 6.0-9.0 |
| E04SR200935AB | 35 | 28 | 9 | 19.5 | 17.4 | 6.0-9.0 |
| E04SR241336A | 36 | 29 | 13 | 23.5 | 22.0 | 10.0-13.0 |
| E04SR241336AB | 36 | 29 | 13 | 23.5 | 22.0 | 10.0-13.0 |
| E04SRS200917S | 24.6 | 20.8 | 8.4 | 24.5 | 24.2 | 8.0 |
| E04SRS251512 | 19.0 | 15.0 | 14.0 | 31.0 | 29.5 | 14.0 |
| E04SRM281312 | 16.0 | – | 12.0 | 35.0 | 33.0 | 12.0 |
| E04SRM381913 | 17.0 | – | 18.0 | 45.0 | 43.0 | 18.0 |
| E04SRM472715 | 17.0 | – | 27.0 | 54.0 | 52.0 | 26.0 |
| E04SRM563218 | 23.0 | – | 32.0 | 65.0 | 62.0 | 31.0 |
The above characteristic data are not guaranteed data but actual measurements.
Kouei is Distributor/Agent of Seiwa.
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