FLAT POWER WIREWOUND RESISTORS, 40 - 450 WATT
RESISTORS CAPACITORS COILS DELAY LINES
FW SERIES - Wirewound
FWE SERIES - Edgewound
Widest range in the industry!
Stackable, low profile design
High power-to-size ratio
Flameproof silicone coating (UL-94V0)
Tapped versions, custom sizes and terminations avail.
OPTIONS
Option X: Non-inductive
Option EQ: 24-hour burn-in at full rated power
Option 22: 22mm stand-off height
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
High power flat wound construction, low cost!
Unique oval-shaped ceramic core construction offers a low
profile body for minimal height installation. Available in a wide
range of power ratings from 40W to 450W. Feature all-welded
construction and integral mounting brackets, allows stackable
mounting configurations for increased power ratings. Series
FWE (edgewound) offers highest size-to-power ratio making it
ideally suited for load testing, power distribution, high power
instrumentation, etc.
FW SERIES
0.16 [4.1] dia. 40W - 120W
0.20 [5.2] dia 150W - 300W
FWE SERIES (EDGEWOUND VERSION)
→
←
F
0.16 [4.1] dia. 60W - 180W
0.20 [5.2] dia 225W - 450W
→
←
F
0.205
[5.2]
E
D
→
0.48
←
[12]
0.55 *
[14]
0.205
[5.2]
E
D
→
0.7
←
[18]
0.55 *
[14]
C
B
A
*
Inch [mm]
C
B
A
For 22mm (.87”) stand-off height instead of standard 14mm, specify option 22
SPECIFICATIONS
RCD
Type
FW40
FW55
FW70
FW95
FW120
FW150
FW200
FW250
FW300
FWE60
FWE80
FWE100
FWE140
FWE180
FWE225
FWE300
FWE375
FWE450
1
Wattage
@ 25°C
40W
55W
70W
95W
120W
150W
200W
250W
300W
60W
80W
100W
140W
180W
225W
300W
375W
450W
Resistance
R an g e
1
( Ω )
0.1 - 5K
0.1 - 6K
0.1 - 7K
0.1 - 10K
0.1 - 15K
0.1 - 18K
0.1 - 25K
0.1 - 30K
0.1 - 35K
1.0 - 4.0
1.0 - 5.0
1.0 - 7.0
1.0 - 9.0
1.0 - 12.0
1.0 - 15.0
1.0 - 20.0
1.0 - 25.0
1.0 - 30.0
A
3.26 [83]
4.84 [123]
6.0 [153]
7.2 [183]
8.58 [218]
8.58 [218]
9.56 [243]
11.29 [287]
13.11 [333]
3.26 [83]
4.84 [123]
6.0 [153]
7.2 [183]
8.58 [218]
8.58 [218]
9.56 [243]
11.29 [287]
13.11 [333]
B
2.75 [70]
4.33 [110]
5.5 [140]
6.69 [170]
8.07 [205]
8.07 [205]
9.05 [230]
10.78 [274]
12.6 [320]
2.75 [70]
4.33 [110]
5.5 [140]
6.69 [170]
8.07 [205]
8.07 [205]
9.05 [230]
10.78 [274]
12.6 [320]
C
1.97 [50]
3.54 [90]
4.72 [120]
5.9 [150]
7.28 [185]
7.28 [185]
8.26 [210]
10.0 [254]
11.8 [300]
1.97 [50]
3.54 [90]
4.72[120]
5.9 [150]
7.28 [185]
7.28 [185]
8.26 [210]
10.0 [254]
11.81 [300]
D
1.14
1.14
1.14
1.14
1.14
[29]
[29]
[29]
[29]
[29]
.5
.5
.5
.5
.5
E
[12.7]
[12.7]
[12.7]
[12.7]
[12.7]
F
.27
.27
.27
.27
.27
[7]
[7]
[7]
[7]
[7]
1.42 [36]
1.42 [36]
1.42 [36]
1.42 [36]
1.14
1.14
1.14
1.14
1.14
1.42
1.42
1.42
1.42
[29]
[29]
[29]
[29]
[29]
[36]
[36]
[36]
[36]
.53 [13.5]
.53 [13.5]
.53 [13.5]
.53 [13.5]
.5 [12.7]
.5 [12.7]
.5 [12.7]
.5 [12.7]
.5 [12.7]
.53 [13.5]
.53 [13.5]
.53 [13.5]
.53 [13.5]
.35 [9]
.35 [9]
.35 [9]
.35 [9]
.27
.27
.27
.27
.27
.35
.35
.35
.35
[7]
[7]
[7]
[7]
[7]
[9]
[9]
[9]
[9]
Available as low as 0.05Ω on special order.
Tolerance
Temperature Coefficient*
Dielectric Strength**
Overload
Derating
±5% is standard 1
Ω
and above,
±10% below 1
Ω
(avail. to ±1%)
260ppm/°C Typ. 21
Ω
and above,
400ppm/°C 0.1
Ω
to 20
Ω
1000 VAC: terminal to mounting bracket
0 VAC: terminal to resistor body
10x rated power for 5 sec.
Full power @ 25°C to zero power @ 350°C
P/N DESIGNATION:
FW70
- 250 - J
B
W
RCD Type:
Options:
X, EQ,22 (Leave blank if standard)
Resis.Code 1%:
3 signif. figures & multiplier,
(R100=.1Ω, 1R00=1Ω,10R0=10Ω,1000=100Ω, 1001=1KΩ
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),
H=3%, G=2%, F=1%
Packaging:
B = Bulk (only)
Termination:
W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable)
*TC’s to 50ppm available **Increased dielectric strength available
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
FA064A
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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