EWT Series — Non-Flammable Edgewound Tubular Wire Wound
Features
• High current capability
• Wide ohmic range offering
• RoHS / Lead-free
• Suitable for soldering or thru bolt connections
• Wirewound Ribbon on ceramic substrate
Electrical Specifications
Type
Power Rating
(Watts)
@ 70°C
10W
20W
30W
40W
50W
60W
80W
100W
120W
150W
160W
200W
250W
300W
400W
500W
600W
700W
800W
1000W
1300W
Dielectric Strength
VAC
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
2,500
Ohmic Range and Tolerance
5%
1Ω
−
10KΩ
1Ω
−
20KΩ
1Ω
−
30KΩ
1Ω
−
40KΩ
0.1Ω
−
50KΩ
0.1Ω
−
60KΩ
0.1Ω
−
80KΩ
0.1Ω
−
100KΩ
0.1Ω
−
120KΩ
0.1Ω
−
150KΩ
0.1Ω
−
160KΩ
0.1Ω
−
200KΩ
0.5Ω
−
250KΩ
0.5Ω
−
300KΩ
0.5Ω
−
400KΩ
0.5Ω
−
500KΩ
1Ω
−
600KΩ
1Ω
−
600KΩ
1Ω
−
800KΩ
1Ω
−
1MΩ
1Ω
−
1.3MΩ
EWT 10
EWT 20
EWT 30
EWT 40
EWT 50
EWT 60
EWT 80
EWT 100
EWT 120
EWT 150
EWT 160
EWT 200
EWT 250
EWT 300
EWT 400
EWT 500
EWT 600
EWT 700
EWT 800
EWT 1000
EWT 1300
How to Order
EWT
SEI Type
Type
EWT
Description
Std
10
20
30
40
50
60
80
50
Code
Code
100
120
150
160
200
250
300
400
500
600
700
800
200
Nominal Resistance
5%
Tolerance
Tolerance
5%
10%
B
Packaging
Code
B
Description
Bulk
1000
1300
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
69
email: marketing@seielect.com
Rev 07/07
EWT Series — Non-Flammable Edgewound Tubular Wire Wound
.
Mechanical Specifications
A
Tolerance
EWT10
EWT20
EWT30
EWT40
EWT50
EWT60
EWT80
EWT100
EWT120
EWT150
EWT160
EWT200
EWT250
EWT300
EWT400
EWT500
EWT600
EWT700
EWT800
EWT900
EWT1000
EWT1300
B
±
0.08
±
2.0
1.77
45
2.36
60
3.15
80
4.33
110
4.33
110
3.54
90
4.33
110
5.51
140
6.30
160
7.68
195
7.28
185
8.27
210
8.27
210
10.24
260
13.00
330
13.00
330
15.75
400
18.11
460
18.11
460
19.69
500
21.26
540
25.59
650
C
±
0.08
±
2.0
1.38
35
1.77
45
2.56
65
3.74
95
3.62
92
2.83
72
3.62
92
4.80
122
5.59
142
6.97
177
6.57
167
7.56
192
7.40
188
9.37
238
12.13
308
11.94
304
15.12
384
15.12
384
16.73
425
D
±
0.004
±
0.1
0.08
2.1
0.12
3.0
0.12
3.0
0.12
3.0
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.21
5.2
0.25
6.2
0.25
6.2
0.25
6.2
0.25
6.2
0.25
6.2
E
±
0.008
±
0.2
0.16
4.0
0.20
5.0
0.20
5.0
0.20
5.0
0.32
8.0
0.32
8.0
0.32
8.0
0.32
8.0
0.32
8.0
0.32
8.0
0.32
8.0
0.32
8.0
0.40
10
0.40
10
0.40
10
0.47
12
0.47
12
0.47
12
0.59
15
0.59
15
0.59
15
0.59
15
F
±
0.04
±
1.0
0.39
10
0.47
12
0.47
12
0.47
12
0.75
19
0.67
17
0.67
17
0.67
17
0.67
17
0.67
17
0.67
17
0.67
17
0.71
18
0.71
18
0.71
18
1.10
28
1.10
28
1.10
28
1.18
30
1.18
30
1.18
30
1.18
30
G
±
0.08
±
2.0
2.17
55
2.76
70
3.54
90
4.72
120
4.72
120
3.98
101
4.76
121
5.94
151
6.73
171
7.11
206
7.76
197
8.74
222
8.74
222
10.71
272
13.46
342
13.62
346
16.38
416
18.18
462
18.90
480
H
±
0.08
±
2.0
2.20
56
3.30
84
4.09
104
5.28
134
5.59
142
4.84
123
5.63
143
6.81
173
7.60
193
9.02
229
8.54
217
9.53
242
9.53
242
11.50
292
14.96
380
14.45
367
17.32
440
19.69
500
19.48
504
21.46
545
I
±
0.08
±
2.0
2.24
57
3.94
100
4.72
120
5.91
150
6.46
164
5.69
145
6.50
165
7.68
195
8.46
215
9.83
250
9.65
245
10.63
270
10.63
270
12.60
320
15.35
390
15.75
400
18.47
469
20.87
530
21.00
533
22.64
575
24.15
613
28.15
715
J
±
0.08
±
2.0
1.18
30
1.46
37
1.46
37
1.46
37
2.28
58
2.36
60
2.36
60
2.36
60
2.36
60
2.36
60
2.95
75
2.95
75
3.03
77
3.03
77
3.03
77
4.13
105
4.13
105
4.13
105
4.41
112
4.41
112
4.41
112
4.53
115
K
±
0.004
±
0.1
0.16
4.0
0.16
4.0
0.16
4.0
0.16
4.0
0.24
6.0
0.24
6.0
0.24
6.0
0.24
6.0
0.24
6.0
0.24
6.0
0.31
8.0
0.31
8.0
0.31
8.0
0.31
8.0
0.31
8.0
0.35
9.0
0.35
9.0
0.35
9.0
0.35
9.0
0.35
9.0
0.39
10.0
0.39
10.0
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
±
0.04
±
1.0
0.47
12
0.65
16.5
0.65
16.5
0.65
16.5
0.98
25
1.10
28
1.10
28
1.10
28
1.10
28
1.10
28
1.38
35
1.38
35
1.57
40
1.57
40
1.57
40
1.97
50
1.97
50
1.97
50
2.36
60
2.36
60
2.36
60
2.56
65
19.88
505
24.41
620
0.25
6.2
0.25
6.2
22.05
560
26.26
667
22.99
584
27.56
700
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
70
email: marketing@seielect.com
Rev 07/07
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