r Industry’s widest range of fusible chip resistors!
r Perform like conventional chip resistors under normal
conditions but fuse when subject to overloads
r 7 standard sizes from 0402 to 2512
r Wide resistance range: 1Ω to 10K standard
FEATURES
RCD Components Inc., 520 E. Industrial Park Dr., Manchester, NH USA 03109
Tel: (603) 669-0054 Fax:(603) 669-5455 E-mail: rcdcompinc@aol.com
www.rcd-comp.com
FUSIBLE CHIP RESISTORS
FC SERIES
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 characteris-
tics can be altered to customer requirements.
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
conditions. Modified fusing characteristics are available.
APPLICATION NOTES:
OPTIONS
r Option ‘ER’: Group A screening per Mil-PRF-55342
r Customized fusing times
r Extended resistance range
RCD Type Wattage
Rating Max. Hold-Off
Voltage Resistance
Range DIMENSIONS
LW Tt
FC 040 2 .06 3W 50V11Ω to 2 K Ω2.040 ± .004
[1. 0 ± .1] .02 0 ± .002
[0.5 ± .05] .01 4 ± .004
[. 35 ± .15 ] .010 ± .00 5
[.25 ± .12]
FC0603 .10 W 100V11Ω to 3.6KΩ2.063 ± .008
[1.60 ± .2] .0 31 ± .00 5
[. 8 ± .13 ] .01 8 ± .00 6
[. 45 ± .15 ] .012 ± .00 8
[.30 ± .2]
FC0805 .125W 150V11Ω to 5.1KΩ2.07 9 ± .008
[2.0 ± .2] .05 0 ± .00 6
[1.25 ± .15 ] .01 8 ± .00 6
[. 45 ± .15 ] .01 4 ± .00 8
[.35 ± .2]
FC1206 .25W 200V11Ω to 10KΩ2.12 6 ± .008
[3.2 ± .2] .06 3 ± .008
[1.6 ± .2] .02 0 ± .00 6
[. 50 ± .15 ] .02 0 ± .01 0
[. 51 ± .25 ]
FC1210 .50 W 250V11Ω to 10KΩ2.12 6 ± .008
[3.2 ± .2] .09 8 ± .00 8
[2.5 ± .2] .02 4 ± .00 8
[.61 ± .2] .02 0 ± .01 0
[. 51 ± .25 ]
FC2010 .75W 300V11Ω to 10KΩ2.197 ± .008
[5.0 ± .2] .10 0 ± .008
[2.6 ± .2] .02 4 ± .00 8
[.61 ±. 2] .02 0 ± .01 0
[. 51 ± .25 ]
FC2512 1.0W 400V11Ω to 10KΩ2.2 48 ± .00 8
[6.3 ± .2] .12 4 ± .01 0
[3.2 ± .25 ] .02 4 ± .00 8
[.61 ± .2] .03 0 ± .01 8
[. 75 ± .46 ]
RESISTORS wCOILS wDELAY LINES
TYPICAL PERFORMANCE CHARACTERISTICS
REQUIREMENTS CHARACTERISTICS TEST METHOD
Fusing Characteristic FC0402:
FC0603:
FC0805:
>FC0805:
<30 sec at 40X rated W
<30 sec at 30X rated W
<30 sec at 25X rated W
<30 sec at 15X rated W
Unmounted, 25°C, residual resistance
to be a minimum of 100X the original
value
Temperature Coefficient 1Ω to 4.7Ω: 250ppm/°C
>4.7Ω: 200ppm/°C 25°C to +125°C
Resistance to Soldering Heat ± 0.25% 260 ± 5°C, 3 seconds
High Temperature Exposure ± 0.5% 100 hours @ +125°C
Low Temp. Operation ± 0.5% -55°C, 1 hour
Moisture Resistance ± 1.5% Mil-PRF-55342
Load Life (1000 hours) ± 5% Rated W per Mil-PRF-55342 4.8.11.1
Thermal Shock ± 0.5% -55°C to +125°C, 0.5 hours, 5 cycles
Solderability 95% (Min.) MIL-Std-202, Method 208
Dielectric Withstanding Voltage 250V (100V 0402 & 0603) 60 Seconds, terminal to ceramic
L
T
tW
1 Open circuit voltage (consult factory for increased voltage rating) 2 Extended resistance range available
FA021 Specifications subject to change without notice
CONSTRUCTION
Fusible Resistive film
Inner Electrode
Alumina
Substrate
Nickel Barrier
Solder Plating
Environmental Seal
Marking available
(specify Opt. A)
FC1206 1001 J T
P ART NUMBER DESIGNA TION:
Option Codes: ER, A, etc
(leave blank if standard)
RCD Type
4-Digit Resis: 3 signif. digits & multiplier
(10R0=10Ω, 1000=100Ω, 1001=1KΩ)
Tolerance Code: F= 1%, J= 5%
Packaging: ‘B’ Bulk, ‘T’ Tape & Reel
