Datasheet

5© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard E5002_ESD-R-B • 9/14/2018
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
EMI Core – ESD-R-B Toroidal Cores for Round Cables for Low & High Frequency (with snail-shaped case)
Performance Characteristics
Item Performance Characteristics
Operatingtemperature −25°Cto+60°C
Frequencyrange Lowfrequencyandhighfrequency
Outer diameter 21.5 – 51.5 mm
Inner diameter 8.8 – 21.5 mm
Thickness 13.0 – 17.5 mm
Type Snail-shaped case
Caseameresistantrating UL94 V–2
Material MnZn5HandNiZn700L
Table 1 – Ratings & Part Number Reference
Part
Number
Dimensions (mm) Weight
Case
Color
Compatible
Toroid Core
(Bare Type)
Frequency Range
1
Material
A B
C
Maximum
D (g)
≤ 10 MHz
(AM band range)
≤ 300 MHz
(FM band range)
MnZN NiZn
ESD-R-19B
21.5 ±1.0
8.8 ±1.0
13.0
18.5 ±1.0
12.1
White
ESD-R-19S
X
5H
—
ESD-R-19D-B
21.5 ±1.0
8.8 ±1.0
13.0
18.5 ±1.0
11.7
Black
ESD-R-19SD
X
—
700L
ESD-R-25B
29.3 ±1.0
13.9 ±1.0
15.0
23.0 ±1.0
21.8
White
ESD-R-25S
X
5H
—
ESD-R-25D-B
29.3 ±1.0
13.9 ±1.0
15.0
23.0 ±1.0
12.9
Black
ESD-R-25SD
X
—
700L
ESD-R-38B
42.4 ±0.8
17.9 ±0.8
16.0
28.0 ±0.8
58.6
White
ESD-R-38D
X
5H
—
ESD-R-38D-B
42.4 ±0.8
17.9 ±0.8
16.0
28.0 ±0.8
58.6
Black
—
X
—
700L
ESD-R-47B
51.5 ±0.7
25.5 ±0.7
17.5
34.0 ±0.7
89.0
White
—
X
5H
—
ESD-R-47D-B
51.5 ±0.7
25.5 ±0.7
17.5
34.0 ±0.7
89.0
Black
—
X
—
700L
Part
Number
A B
C
Maximum
D (g)
Color
Compatible
Toroid Core
(Bare Type)
≤ 10 MHz
(AM band range)
≤ 300 MHz
(FM band range)
MnZn NiZn
Dimensions Weight Frequency Range
1
Material
1
Frequency range is for reference only. Please test with actual device before use.