RESISTOR
COMPOSITION RESISTORS
CC SERIES - 1/4W to 1W
FEATURES
RoHS Sn/Pb
►Low inductance / high frequency performance
►High surge / high pulse capability
►Choice of tin or tin-lead termination finish
OPTIONS
►Opt. 37: Group A screening per MIL-R-39008
►Opt. EU8: Group A & B modified screening plan
►Opt. ZZ: Z-formed leads for surface mounting
►Other: Custom marking, custom testing, cut & formed leads, hot solder dipped
leads, pre-conditioning & numerous other options.
H
L
D
d
Composition resistors are considered one of the most reliable of all electronic components.
There are no windings or film, resulting in a non-inductive resistor with excellent surge and high-
frequency characteristics. The parts are also utilized in fusing applications. Hi-Rel Group A or A &
B Screening per MIL-R-39008 is available.
DIMENSIONS
In [mm]
ENERGY
WATTAGE MAXIMUM PEAK PULSE RATING DIELECTRIC RESISTANCE
RCD
@ 70°C 1 VOLTAGE 2 VOLTAGE 3, 5 1 SEC 3, 5 STRENGTH
RANGE
H TYP
TYPE
(W)
(V)
(KV)
(j)
(V)
(E-24 Std Values)
L 4
D 4
d
(bulk pack)
0.250±0.032
[6.35±0.80]
0.374±0.040
[9.50±1.02]
0.610±0.050
[15.5±1.27]
0.090±0.016
[2.30±0.40]
0.140±0.018
[3.56±0.45]
0.232±0.022
[5.90±0.55]
0.024±0.003
[0.60±.076]
0.028±0.004
[0.70±0.10]
0.036±0.006
[0.90±0.15]
1.0
[25.4]
1.0
[25.4]
1.0
CC1/4
CC1/2
CC1
0.25
250
6
1.8
140
1Ω - 22M
1Ω - 22M
2Ω - 1.2M
0.50
1.00
350
500
10
14
6.4
700
20
1000
[25.4]
1 Derate W & V by 1.25%/°C above 70 °C. 2 Rated continuous voltage determined by E=(PR)1/2, E not to exceed the max value listed. 3 Energy capability varies with pulse duration. Rating is based on a 1 sec
overload. Shorter durations have significantly lower joule ratings. 4 Allow 0.032 [0.80] additional to L and D on parts with optional conformal coating.
CC1/4 Peak Pulse Rupture Voltage 5 CC1/2 Peak Pulse Rupture Voltage 5
CC1 Peak Pulse Rupture Voltage 5
5 Peak pulse rupture voltage and joule ratings are dependent on resistance value, pulse wave form & repetition rate. Charts indicate the approximate rupture voltage based on capacitive discharge non-inductive
circuit, pulse width equates to one RC time constant. Refer to Applicaiton Guide below and Engineering Guide R-46. Verify selection by evaluating sufficient prototypes under worst case conditions. Consult
factory for assitance on all surge and fusing applications.
TYPICAL PERFORMANCE (10Ω - 1M TYP)
TEMPERATURE RISE
Operating Temperature Range
Short Time Overload
Moisture Resistance
Load Life (1,000 hrs)
-55°C to +125°C
±2.5%
±10%
±10% (MIL-R-39008 3.21.1.2)
Thermal Shock
±4%
Temperature Coefficient (25°C - 100°C) ±0.15%/°C
Shock & Vibration
±2%
Terminal Strength (direct pull)
Standard Marking (Color Code Table)
5 lbs. MIN
APPLIED WATTAGE (W)
PART NUMBER DERIVATION
RCD Type: CC1/4, CC1/2, CC1
4 bands (or alpha numeric, 5th FR band)
(refer to R-46 guide for additional info)
APPLICATION GUIDE
CC1/2
- 101 - J T
W
CC's are often utilized in high frequency, fusing or pulse applicaitons, including
snubbers, lightning surges, grounding resistors, RFI suppression, etc. Depending
on the applicaiton, CC's can often satisfy requirements of GR1089, ITU-K20,
IEC61000-4-x, etc. For fusing applications, use the peak pulse rupture voltage
graphs and energy ratings as a rough starting point to determine typical fusing
levels. For surge applications, employ a minimum 50% derating (greater for multiple
surges, elevated temperatures,etc.). Fusing and surge capability can vary fairly
significantly so be sure to consult RCD on applications that involve any surges or
fusing, and verify selection by evaluating under worst case conditions. Series CC
resistors are not intended for life-support applications.
Options: 37, EU8, etc.
(leave blank for standard)
Resistance Code: 2 signif. digits & mult.
ex: 1R0 = 1Ω, 100 = 10Ω, 101 = 100Ω, 102 = 1K, 103 = 10K, etc.
Tolerance: J = ±5% (standard on CC1/4 & CC1/2), K = ±10% (standard on CC1),
consult factory for ±2% (G) tolerance
Packaging: B = Bulk, A = Ammo Pack, T = Tape & Reel*
Forming: ZZ = Surface Mount (leave blank if standard), Additional Options Avail.
Termination: W = RoHS (standard), Q = Tin/Lead
Composition construction isn't as stable as other types of resistors, especially in
humid conditions, and therefore not suitable for precision applications (refer to
RCD's PR and CFZ Series for improved stability). In accordance with MIL-R-39008,
parts that have shifted beyond the nominal tolerance due to moisture shall be baked
by the user at 100°C to recondition the resistance value back into tolerance.
(leave blank if both are acceptable)
* Tape & Reel Specs
Standard Qty/Reel = 5000 pcs (CC1/4), 4000 / 5000 pcs (CC1/2), 1000 pcs (CC1)
(non-standard quantity & cut reels available)
520 E. Industrial Park Drive #1, Manchester, NH 03109 USA | T (603) 669-0054 | RCDcomponents.com
Sale of this product is in accordance with GF-061. Specifications subject to change without notice. Verify revision level prior to use.
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