RESISTORSꢀCAPACITORSꢀCOILSꢀDELAY LINES
FUSIBLE CHIP RESISTORS
Term.W is
RoHS
compliant
& 260°C
compatible
L
RoHS
FC SERIES
T
t
ꢀ Industry’s broadest range of fusible chip resistors-
W
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.
OPTIONS
ꢀ Option ER: Group A screening per Mil-PRF-55342
ꢀ Customized fusing time and/or fusing power level
RCD Wattage Max. Hold-Off Resistance
DIMENSIONS
Type
Rating
Voltage
Range
L
W
T
t
FC0402 .10W
FC0603 .125W
FC0805 .15W
FC1206 .25W
50V1
1Ω to 1KΩ2
.040± .004 [1.0±.10] .020 ± .002 [0.5 ± .05] .014 ± .004 [.35 ± .15] .010 ± .005 [.25 ± .12]
100V1
150V1
200V1
1Ω to 1.8KΩ2 .063 ± .008 [1.6 ± .20] .031 ± .005 [0.8 ± .13] .018 ± .006 [.45 ± .15] .012 ± .008 [.30 ± .20]
1Ω to 3KΩ2 .079 ± .008 [2.0 ± .20] .050 ± .006 [1.25 ± .15] .018 ± .006 [.45 ± .15] .014 ± .008 [.35 ± .20]
1Ω to 5.1KΩ2 .126 ± .008 [3.2 ± .20] .063 ± .008 [1.6 ± .20] .020 ± .006 [.50 ± .15] .020 ± .010 [.51 ± .25]
FC1210 .50W
FC2010 .75W
FC2512 1.0W
250V1
300V1
400V1
1Ω to 6.2KΩ2 .126 ± .008 [3.2 ± .20] .098 ± .008 [2.5 ± .20] .024 ± .008 [.61 ± .20] .020 ± .010 [.51 ± .25]
1Ω to 7.5KΩ2 .197 ± .008 [5.0 ± .20] .100 ± .008 [2.6 ± .20] .024 ± .008 [.61 ±. 20] .020 ± .010 [.51 ± .25]
1Ω to 10KΩ2 .248 ± .008 [6.3 ± .20] .124 ± .010 [3.2 ± .25] .024 ± .008 [.61 ± .20] .030 ± .018 [.75 ± .46]
1Open circuit voltage (consult factory for increased voltage rating) 2Extended resistance range available
TYPICAL PERFORMANCE CHARACTERISTICS
REQUIREMENTS
CHARACTERISTICS
TEST METHOD
Min. Fusing Power
FC0402: <30 sec at 2.5W
FC0603: <30 sec at 3W
FC0805: <30 sec at 3.25W
FC1206: <30 sec at 5W
FC1210: <30 sec at 7.5W
FC2010: <30 sec at 11.25W
FC2512: <30 sec at 15W
Unmounted, 25°C, residual resistance
to be a minimum of 100X the original
value.
CONSTRUCTION
Environmental Seal
Fusible Resistive film
Marking available
(specify Opt. A)
Temperature Coefficient
200ppm/°C (<5Ω=250ppm) 25°C to +125°C
Resistance to Soldering Heat
High Temperature Exposure
Low Temp. Operation
Moisture Resistance
Load Life (1000 hours)
Thermal Shock
± 0.25%
± 0.5%
± 0.5%
± 1.5%
± 5%
260 ± 5°C, 3 seconds
100 hours @ +125°C
-55°C, 1 hour
Mil-PRF-55342
Rated W per Mil-PRF-55342 4.8.11.1
-55°C to +125°C, 0.5 hours, 5 cycles
MIL-Std-202, Method 208
Alumina
Substrate
Inner Electrode
Nickel Barrier
± 0.5%
95% (Min.)
Solder Plating
Solderability
Dielectric Withstanding Voltage 250V (100V 0402 & 0603) 60 Seconds, terminal to ceramic
Operating Temp. Range
Derating (above 70°C)
-55°C to +125°C
derate W & V by 1.18%/°C
APPLICATION NOTES:
P/N DESIGNATION:
FC1206
-
102 -
J
T W
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).
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.
Customers should evaluate fusing in actual-use conditions.
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,
(1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K, 103=10K)
2)
3)
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)
Exercise care when testing fuse resistors.
-
-
-
-
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.
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