FUSIBLE CHIP RESISTORS
RESISTORS
M
CAPS & COILS
M
DELAY LINES
.+5-41-5
FEATURES
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Industry’s widest range of fusible chip resistors!
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Perform like conventional chip resistors under normal
conditions but fuse when subject to overloads
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7 standard sizes from 0402 to 2512
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Wide resistance range: 1Ω to 10K standard
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Standard tolerance: ±5%,10% (1%,2% available)
t
L
T
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Surface Mount Circuit Protection!
RCD Series FC resistors offer a low cost approach to circuit
protection in case of overload or component failure. The resistor
is designed to act as a conventional resistor under normal
operating conditions, but will quickly open under continuous
overload. Standard fusing characteristics can be altered to
customer requirements.
OPTIONS
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Option ER: Group A screening per Mil-PRF-55342
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Customized fusing times
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Extended resistance range
RCD
T yp e
F C 0402
F C 0603
F C 0805
F C 1206
F C 1210
F C 2010
F C 2512
1
Wattage Max. H old-Off
R ating
.063W
.10W
.125W
.25W
.50W
.75W
1.0W
Voltage
50V
1
100V
1
150V
1
200V
1
250V
1
300V
1
400V
1
R esistance
R an g e
1Ω to 2KΩ
2
D IME N S ION S
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.040± .004 [1.0±.10]
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T
t
.020 ± .002 [0.5 ± .05] .014 ± .004 [.35 ± .15] .010 ± .005 [.25 ± .12]
1Ω to 3.6KΩ
2
.063 ± .008 [1.6 ± .20] .031 ± .005 [0.8 ± .13] .018 ± .006 [.45 ± .15] .012 ± .008 [.30 ± .20]
1Ω to 5.1KΩ
2
.079 ± .008 [2.0 ± .20] .050 ± .006 [1.25 ± .15] .018 ± .006 [.45 ± .15] .014 ± .008 [.35 ± .20]
1Ω to 10KΩ
2
.126 ± .008 [3.2 ± .20] .063 ± .008 [1.6 ± .20] .020 ± .006 [.50 ± .15] .020 ± .010 [.51 ± .25]
1Ω to 10KΩ
2
.126 ± .008 [3.2 ± .20] .098 ± .008 [2.5 ± .20] .024 ± .008 [.61 ± .20] .020 ± .010 [.51 ± .25]
1Ω to 10KΩ
2
.197 ± .008 [5.0 ± .20] .100 ± .008 [2.6 ± .20] .024 ± .008 [.61 ±. 20] .020 ± .010 [.51 ± .25]
1Ω to 10KΩ
2
.248 ± .008 [6.3 ± .20] .124 ± .010 [3.2 ± .25] .024 ± .008 [.61 ± .20] .030 ± .018 [.75 ± .46]
2
Open circuit voltage (consult factory for increased voltage rating)
Extended resistance range available
TYPICAL PERFORMANCE CHARACTERISTICS
R E QU IR E ME N T S
F us i ng C ha r a c t e r i s t i c
FC0402:
FC0603:
FC0805:
>F C 0 8 0 5 :
Te m p e r a t ur e C o e f f i c i e nt
R e s i s t a nc e t o S o l d e r i ng H e a t
H i g h Te m p e r a t ur e E xp o s ur e
L o w Te m p . O p e r a t i o n
M o i s t ur e R e s i s t a nc e
L o a d L i f e ( 1 0 0 0 ho ur s )
The r m a l S ho c k
S o ld e ra b i li ty
<3 0 s e c a t 4 0 X ra te d W
<3 0 s e c a t 3 0 X ra te d W
<3 0 s e c a t 2 5 X ra te d W
<3 0 s e c a t 1 5 X ra te d W
1Ω t o 4 . 7
Ω
: 2 5 0 p p m / ° C
>4 .7
Ω
: 2 0 0 p p m/°C
± 0 .2 5 %
± 0 .5 %
± 0 .5 %
± 1 .5 %
± 5%
± 0 .5 %
9 5 % ( M i n. )
U nm o unt e d , 2 5 ° C , r e s i d ua l r e s i s t a nc e
t o b e a m i ni m um o f 1 0 0 X t he o r i g i na l
va l u e
2 5 °C to +1 2 5 °C
2 6 0 ± 5 ° C , 3 s e c o nd s
1 0 0 ho ur s @ + 1 2 5 ° C
- 5 5 ° C , 1 ho ur
Mi l-P RF -5 5 3 4 2
R a t e d W p e r M i l - P R F - 5 5 3 4 2 4 . 8 . 11 . 1
- 5 5 ° C t o + 1 2 5 ° C , 0 . 5 h o u r s , 5 c yc l e s
M IL - S t d - 2 0 2 , M e t ho d 2 0 8
6 0 S e c o nd s , t e r m i na l t o c e r a m i c
Alumina
Substrate
Inner
Electrode
Nickel Barrier
Solder Plating
C H AR AC T E R IS T IC S
T E S T ME T H OD
CONSTRUCTION
Environmental Seal
Fusible Resistive film
Marking available
(specify Opt. A)
D i e l e c t r i c W i t hs t a nd i ng V o l t a g e 2 5 0 V ( 1 0 0 V 0 4 0 2 & 0 6 0 3 )
APPLICATION NOTES:
1. Fuse resistors may reach elevated temperatures prior to
opening, particularly if subjected to insufficient overloads.
Customers should evaluate product for suitability under
all possible overload scenarios.
2. Exercise care when testing fuse resistors, i.e. place the
resistors inside a flameproof protective case, etc.
3. Fusing time varies depending on the amount of “heat sinking”
involved, i.e. PCB material, pad size, trace thickness, etc.
Customers should evaluate fuse resistors in actual-use
P/N DESIGNATION:
FC1206
RCD Type
Option Codes:
ER, A, etc.
(leave blank if standard)
Resis.Code 1%:
3 signif. figures & multiplier,
(1R00=1Ω, 10R0=10Ω, 1000=100Ω, 1001=1K, 1002=10K)
Resis.Code 2%-10%:
2 signif. figures & multiplier,
-
102 -
J
T
(1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K, 103=10K)
Tolerance Code:
F= 1%, J= 5%, K=10%
Packaging:
B = Bulk, T = Tape & Reel
RCD Components Inc.,
520 E. Industrial Park Dr., Manchester, NH, USA 03109
Tel: (603) 669-0054 Fax:(603) 669-5455 E-mail: sales@rcdcomponents.com
www.rcdcomponents.com
FA021B specifications subject to change without notice
PCB Design
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