1 Available as low as 0.05Ω on special order.
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.
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.
FLAT POWER WIREWOUND RESISTORS, 40 - 450 WAT T
SPECIFICATIONS
OPTIONS
Option X: Non-inductive
Option EQ: 24-hour burn-in at full rated power
FW SERIES - Wirewound
FWE SERIES - Edgewound
DCR epyT egattaW C°52@ ecnatsiseR egnaR
1
)Ω()Ω( )Ω( )Ω()Ω( ABCDEF
04WFW04K5-1.0]38[62.3]07[57.2]05[79.1]92[41.1]7.21[5.]7[72.
55WFW55K6-1.0]321[48.4]011[33.4]09[45.3]92[41.1]7.21[5.]7[72.
07WFW07K7-1.0]351[0.6]041[5.5]021[27.4]92[41.1]7.21[5.]7[72.
59WFW59K01-1.0]381[2.7]071[96.6]051[9.5]92[41.1]7.21[5.]7[72.
021WFW021K51-1.0]812[85.8]502[70.8]581[82.7]92[41.1]7.21[5.]7[72.
051WFW051K81-1.0]812[85.8]502[70.8]581[82.7]63[24.1]5.31[35.]9[53.
002WFW002K52-1.0]342[65.9]032[50.9]012[62.8]63[24.1]5.31[35.]9[53.
052WFW052K03-1.0]782[92.11]472[87.01]452[0.01]63[24.1]5.31[35.]9[53.
003WFW003K53-1.0]333[11.31]023[6.21]003[8.11]63[24.1]5.31[35.]9[53.
06EWFW060.4-0.1]38[62.3]07[57.2]05[79.1]92[41.1]7.21[5.]7[72.
08EWFW080.5-0.1]321[48.4]011[33.4]09[45.3]92[41.1]7.21[5.]7[72.
001EWFW0010.7-0.1]351[0.6]041[5.5]021[27.4]92[41.1]7.21[5.]7[72.
041EWFW0410.9-0.1]381[2.7]071[96.6]051[9.5]92[41.1]7.21[5.]7[72.
081EWFW0810.21-0.1]812[85.8]502[70.8]581[82.7]92[41.1]7.21[5.]7[72.
522EWFW5220.51-0.1]812[85.8]502[70.8]581[82.7]63[24.1]5.31[35.]9[53.
003EWFW0030.02-0.1]342[65.9]032[50.9]012[62.8]63[24.1]5.31[35.]9[53.
573EWFW5730.52-0.1]782[92.11]472[87.01]452[0.01]63[24.1]5.31[35.]9[53.
054EWFW0540.03-0.1]333[11.31]023[6.21]003[18.11]63[24.1]5.31[35.]9[53.
ecnareloT 1dradnatssi%5± Ω,evobadna
1woleb%01± Ω)%1±ot.liava(
*tneiciffeoCerutarepmeT 12.pyTC°/mpp062 Ω,evobadna
1.0C°/mpp004 Ω02ot Ω
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*TC’s to 50ppm available **Increased dielectric strength available
P/N DESIGNATION: FW70 - 250 - J B W
RCD Type:
Options: X, EQ (Leave blank if standard)
T olerance: K=10% (std <1Ω), J=5% (std ≥1Ω), H=3%, G=2%, F=1%
Packaging: B = Bulk (only)
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
FW SERIES FWE SERIES (EDGEWOUND VERSION)
FA064A Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
Termination: W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable)
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
RESISTORSCAPACITORSCOILSDELAY LINES
Inch [mm]
C
B
A
0.205
[5.2]
0.16 [4.1] dia. 60W - 180W
0.20 [5.2] dia 225W - 450W
0.55
[14]
E
D
F
→ ←
→ ←
0.48
[12]
C
B
A
0.205
[5.2]
0.16 [4.1] dia. 60W - 180W
0.20 [5.2] dia 225W - 450W
0.55
[14]
E
D
F
→ ←
→ ←
0.7
[18]
RCD C omponents I nc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 6 03-669-0054 Fax: 603-669-5455 Email:sales@rcdcomponents.com
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