FUSIBLE CHIP RESISTORS
RESISTORS CAPACITORS COILS DELAY LINES
Term.W is
RoHS
compliant
& 260°C
compatible
FC SERIES
L
T
t
W
RoHS
Industry’s broadest range of fusible chip resistors-
7 standard sizes from 0402 to 2512, widest resistance
range- 1Ω to 10K standard
Perform like conventional chip resistors under normal
conditions but fuse when subject to overloads
Standard tolerance: ±5%,10% (1%,2% available)
See MBW Series for additional SM fuse resistors (1/4W-3W)
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 when subjected to
suitable continuous overload. Standard fusing characteristics
can be altered to customer requirements.
D IME N S ION S
OPTIONS
Option ER: Group A screening per Mil-PRF-55342
Customized fusing time and/or fusing power level
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
.10W
.125W
.15W
.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 1KΩ
2
L
.040± .004 [1.0±.10]
W
T
t
.020 ± .002 [0.5 ± .05] .014 ± .004 [.35 ± .15] .010 ± .005 [.25 ± .12]
1Ω to 1.8KΩ
2
.063 ± .008 [1.6 ± .20] .031 ± .005 [0.8 ± .13] .018 ± .006 [.45 ± .15] .012 ± .008 [.30 ± .20]
1Ω to 3KΩ
2
.079 ± .008 [2.0 ± .20] .050 ± .006 [1.25 ± .15] .018 ± .006 [.45 ± .15] .014 ± .008 [.35 ± .20]
1Ω to 5.1KΩ
2
.126 ± .008 [3.2 ± .20] .063 ± .008 [1.6 ± .20] .020 ± .006 [.50 ± .15] .020 ± .010 [.51 ± .25]
1Ω to 6.2KΩ
2
.126 ± .008 [3.2 ± .20] .098 ± .008 [2.5 ± .20] .024 ± .008 [.61 ± .20] .020 ± .010 [.51 ± .25]
1Ω to 7.5KΩ
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
M i n. F us i ng P o w e r
FC0402:
FC0603:
FC0805:
FC1206:
FC1210:
FC2010:
FC2512:
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
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
O p e r a t i ng Te m p . R a ng e
D e r a t i n g ( a b o ve 7 0 ° C )
C H AR AC T E R IS T IC S
T E S T ME T H OD
<3 0 s e c a t 2 .5 W
<3 0 s e c a t 3 W
<3 0 s e c a t 3 .2 5 W
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
<3 0 s e c a t 5 W
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
<3 0 s e c a t 7 .5 W
va l u e .
< 3 0 s e c a t 11 . 2 5 W
<3 0 s e c a t 1 5 W
2 0 0 p p m/°C (<5
Ω
=2 5 0 p p m) 2 5 °C to +1 2 5 °C
± 0 .2 5 %
2 6 0 ± 5 ° C , 3 s e c o nd s
± 0 .5 %
1 0 0 ho ur s @ + 1 2 5 ° C
± 0 .5 %
- 5 5 ° C , 1 ho ur
± 1 .5 %
Mi l-P RF -5 5 3 4 2
± 5%
R a t e d W p e r M i l - P R F - 5 5 3 4 2 4 . 8 . 11 . 1
± 0 .5 %
- 5 5 ° C t o + 1 2 5 ° C , 0 . 5 h o u r s , 5 c yc l e s
9 5 % ( M i n. )
M IL - S t d - 2 0 2 , M e t ho d 2 0 8
2 5 0 V ( 1 0 0 V 0 4 0 2 & 0 6 0 3 ) 6 0 S e c o nd s , t e r m i na l t o c e r a m i c
-5 5 °C to +1 2 5 °C
d e ra te W & V b y 1 .1 8 %/°C
CONSTRUCTION
Environmental Seal
Fusible Resistive film
Marking available
(specify Opt. A)
Alumina
Substrate
Inner
Electrode
Nickel Barrier
Solder Plating
APPLICATION NOTES:
1) Fault level must be suitable to safely open the resistor. If insufficient
the resistor may reach elevated temp. For this reason, the fusing load
must be relatively large compared to rated W, 30-60x is common for
most circuits, and should be at least equal to the minimum fusing
power listed in Performance Chart. Fusing may still occur at W levels
below these but not as consistently (fast-blow models available).
2) Don’t exceed volt rating or 200x W rating, whichever is less. Customers
should evaluate product for suitability under all possible overload
scenarios. Customized fusing characteristics are available.
Fusing times vary depending on the amount of “heat sinking”
involved, i.e. PCB material, pad size, trace thickness, etc.
3) Customers should evaluate fusing in actual-use conditions.
Exercise care when testing fuse resistors.
P/N DESIGNATION:
RCD Type
FC1206
-
102 -
J
T W
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,
(1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K, 103=10K)
Tolerance Code:
F= 1%, J= 5%, K=10%
Packaging:
B = Bulk, T = Tape & Reel
Termination:
W= Lead-free, Q= Tin/Lead (leave blank if either is
acceptable, in which case RCD will select based on lowest price
and quickest delivery)
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
FA021C
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
29
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