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Tomita EP Type Ferrite Core
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EP Ferrite Core has the advantages of good magnetic shielding effect, small distributed capacitance, low transmission loss, high inductance, small leakage inductance, uniform magnetic field distribution, etc. The skeleton is equipped with multi-way connectors, which makes it easy to design multi-way output transformers.
- Product Name: EP Type Ferrite Core
- Brand: Tomita
- Lead Time: 2 weeks
- Product Details
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EP Ferrite Core has the advantages of good magnetic shielding effect, small distributed capacitance, low transmission loss, high inductance, small leakage inductance, uniform magnetic field distribution, etc. The skeleton is equipped with multi-way connectors, which makes it easy to design multi-way output transformers.
EP Cores are used in broadband transformers, inductors, isolation transformers, matching transformers, and are widely used in program-controlled switch terminals and precision electronic equipment.
Dimensions and Effective Parameter
| Cores | Dimensions(mm) | Effective Parameter | Weight (g) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D1 | D2 | D3 | D4 | D5 | H1 | H2 | C1 (mm-1) | Ae (mm2) | le (mm) | Ve (mm3) | Aw (mm2) | |||
| EP-7 | 9.2±0.2 | 7.4±0.2 | 3.4 +0/-0.2 | 6.5 +0/-0.3 | 1.8 +0/-0.2 | 7.5±0.2 | 5.0 +0.6/-0 | 1.52 | 10.3 | 15.7 | 163 | 10.9 | 1.5 | |
| EP-10 | 11.5±0.3 | 9.4±0.2 | 3.45 +0/-0.3 | 7.85 +0/-0.4 | 1.95 +0/-0.25 | 10.4 +0/-0.4 | 7.2 +0.4/-0 | 1.70 | 11.3 | 19.3 | 218 | 22.6 | 2.7 | |
| EP-13 | 12.5±0.3 | 10.0±0.3 | 4.5 +0/-0.3 | 9.0 +0/-0.4 | 2.5 +0/-0.25 | 13.0 +0.1/-0.4 | 9.0 +0.4/-0 | 1.24 | 19.6 | 24.3 | 476 | 26.0 | 4.5 | |
| EP-17 | 18.0±0.4 | 12.0±0.4 | 5.85 +0/-0.35 | 11.25 +0/-0.5 | 3.25±0.2 | 17.0 +0/-0.4 | 11.0 +0.6/-0 | 0.84 | 33.9 | 28.5 | 964 | 35.7 | 12 | |
| EP-20 | 24.0±0.5 | 16.5±0.4 | 9.0 +0/-0.5 | 15.3 +0/-0.7 | 4.5±0.2 | 21.6 +0/-0.4 | 14.0 +0.6/-0 | 0.51 | 78.3 | 39.8 | 3110 | 55.4 | 27 | |
Electrical Characteristics
| Core | AL-Value(nH/N2) Without air gap | |||
|---|---|---|---|---|
| 2H1 | 2E2D | 2G1 | 2G8 | |
| EP-7 | 4760min | 3600min | 2000±25% | 1350±25% |
| EP-10 | 4760min | 3600min | 2000±25% | 1350±25% |
| EP-13 | 7350min | 4900min | 2850±25% | 1650±25% |
| EP-17 | 12500min | 7000min | 4300±25% | 2600±25% |
| EP-20 | 16100min | 13000min | 7700±25% | 3600±25% |
Material:2G8 (Low core loss)
| Code | AL-Value(nH/n2) With air gap | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| AL*** | AL40 | AL63 | AL100 | AL160 | AL250 | AL315 | AL400 | AL500 | |
| 2G8-EP- 7-AL*** | Gap(mm)≒ | 0.380 | 0.200 | 0.110 | 0.060 | 0.030 | |||
| 2G8-EP-10-AL*** | Gap(mm)≒ | 0.380 | 0.200 | 0.110 | 0.060 | 0.030 | |||
| 2G8-EP-13-AL*** | Gap(mm)≒ | 0.390 | 0.210 | 0.120 | 0.070 | 0.045 | 0.030 | 0.020 | |
Material:2E2D (Low THD)
| Code | AL-Value(nH/n2) With air gap | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| AL*** | AL40 | AL63 | AL100 | AL160 | AL250 | AL315 | AL400 | AL500 | |
| 2E2D-EP- 7N-AL*** | Gap(mm)≒ | 0.40 | 0.220 | 0.120 | 0.070 | 0.040 | |||
| 2E2D -EP-10N-AL*** | Gap(mm)≒ | 0.40 | 0.220 | 0.120 | 0.070 | 0.040 | |||
| 2E2D-EP-13N-AL*** | Gap(mm)≒ | 0.400 | 0.220 | 0.128 | 0.070 | 0.055 | 0.040 | 0.028 | |
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