HIGH POWER EDGEWOUND RESISTORS
TUBULAR, 75 WATT to 2000 WATT
RESISTORS CAPS & COILS DELAY LINES
EW SERIES
Widest range in the industry!
High thermal capacity & power-to-size ratio
Highest power performance for low cost
Flameproof silicone coating
Custom sizes and terminations available
OPTIONS
Option X: Non-inductive
Option ER: 100 hour burn-in
Option M: Thru-bolt brackets
Option T: Single or multi-tapped design
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
High power edgewound construction, economical price!
RCD Series EW is designed to meet heavy-duty requirements
where space is at a premium. Unique ribbon element is
edgewound onto a ceramic tube offering the industry’s highest
power ratings at a low cost. Inductance levels are lower than
conventional round-wire designs. Series EW is ideally suited for
load testing, power distribution, high power instrumentation, etc.
SPECIFICATIONS
RCD
Type
EW75
EW100
EW120
EW150
EW180
EW225
EW240
EW300
EW375
EW450
EW600
EW750
EW900
EW1000
EW1200
EW1500
EW2000
Wattage
@ 25°C
75W
100W
120W
150W
180W
225W
240W
300W
375W
450W
600W
750W
900W
1000W
1200W
1500W
2000W
Resistance
R an g e*
Ω
A
4.33[110]
3.54[90]
4.33[110]
5.51[140]
6.3[160]
7.67[195]
7.28185]
8.27[210]
8.27[210]
10.23[260]
12.99[330]
12.99[330]
15.75[400]
18.11[460]
18.11[460]
21.26[540]
25.59[650]
B
.984[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]
2.56[60]
C
.63 [16]
.708[18]
.708[18]
.708[18]
.708[18]
.708[18]
.945[24]
.945[24]
.984[25]
.984[25]
.984[25]
1.38[35]
1.38[35]
1.38[35]
1.57[40]
1.57[40]
1.65[28]
E
.32[8]
.32[8]
.32[8]
.32[8]
.32[8]
.32[8]
.36[9]
.36[9]
.44[11]
.44[11]
.44[11]
.47[12]
.47[12]
.47[12]
.59[15]
.59[15]
.59[15]
F
5.9[150]
5.12[130]
5.90[150]
7.08[180]
7.87[200]
9.25[235]
8.86[225]
9.84[250]
9.84[250]
11.81[300]
14.56[370]
14.96[380]
17.72[450]
20.07[510]
20.27[515]
23.42[595]
27.63[702]
G
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.197[5]
.236[6]
.236[6]
.236[6]
.236[6]
.236[6]
.238[6]
H
.71[18]
.71[18]
.71[18]
.71[18]
.71[18]
.71[18]]
.748[19]
.748[19]
.748[19]
.748[19]
.748[19]
.984[25]
.984[25]
.984[25]
I
.236[6]
.236[6]
.236[6]
.236[6]
.236[6]
.236[6]
315[8]
315[8]
315[8]
315[8]
315[8]
354[9]
354[9]
354[9]
J
6.53[166]
5.75[146]
6.53[166]
7.71[196]
8.50[216]
9.88[251]
9.64[245]
K
2.28[58]
2.36[60]
2.36[60]
2.36[60]
2.36[60
2.36[60]
2.99[76]
L
.047[1.2]
.047[1.2]
.047[1.2]
.047[1.2]
.047[1.2]
.047[1.2]
.063[1.6]
.063[1.6]
.063[1.6]
.063[1.6]
.063[1.6]
0.1 - 8
0.1 - 9
0.1 - 12
0.1 - 15
0.1 - 18
0.1 - 23
0.1 - 24
0.3 - 30
0.3 - 38
0.3 - 45
0.3 - 60
0.3 - 75
0.3 - 90
0.5 - 100
0.5 - 120
0.5 - 150
0.5 - 200
10.78[274] 2.99[76]
10.78[274] 3.07[78]
12.6[320]
3.07[78]
15.55[395] 3.07[78]
15.75[400] 4.13[105] .063[1.6]
18.5[470] 4.13[105] .063[1.6]
21.0[533] 4.13[105] .063[1.6]
.063[1.6]
.063[1.6]
1.18[30] .393[10] 21.06[535] 4.41[112]
1.18[30] .393[10] 24.21[615] 4.41[112]
1.18[30] .393[10] 28.42[722] 4.72[120] .063[1.6]
* Available as low as 0.05Ω on special order.
E
G
21
21
Option M
- thru-bolt mounting
brackets for secured mounting
H
K
21
21
L
C
B
A
F
J
I
PERFORMANCE CHARACTERISTICS
±5% is standard 1
Ω
and above,
±10% below 1
Ω
(avail. to ±1%)
Temperature
400ppm/°C Typ.
Coefficient
(available to 50 ppm)
1000 VAC: terminal to mounting bracket
Dielectric Strength*
0 VAC: terminal to resistor body
Overload
10x rated power for 5 sec.
Derating
Full power @ 25°C to zero power @ 350°C
Tolerance
* Increased dielectric strength available.
P/N DESIGNATION:
RCD Type:
EW750
- 1R5 - J
B
W
Options:
X, ER, M (Leave blank if standard)
Resis.Code 1%:
3 signif. figures & multiplier,
(R100=.1Ω, 1R00=1Ω,10R0=10Ω,1000=100Ω
Resis.Code 2%-10%:
2 signif. figures & multiplier,
(R10=0.1Ω, 1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K
Tolerance:
K=10% (std <1Ω), J=5%(std 1Ω & above), G=2%, F=1%
Packaging:
B = Bulk (only)
Termination:
W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable)
RCD Components Inc,
520 E.Industrial Park Dr, Manchester, NH, USA 03109
rcdcomponents.com
Tel: 603
-
669
-
0054 Fax: 603
-
669
-
5455 Email:sales@rcdcomponents.com
FA063B
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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