Datasheet

Precision Metal
Film Resistors
RC series
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General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© TT electronics plc
11.12
CECC 40101-004 CECC 40101-804 *Actual Performance
Requirements Requirements Maximum Typical
Load at commercial rating: 1000 hours at 70°C ∆ 1.03.0%R
Load at CECC rating: 1000 hours at 70°C ∆R% 0.5 0.5 0.3 0.05
Dry heat: 1000 hours at 155°C ∆R% 0.5 0.5 **1.0 0.15
Shelf life: 12 months at room temperature ∆R% Not specified Not specified 0.1 0.03
50% at 125°C & Zero at 155°C
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Short term overload ∆R% 0.1 0.1 0.1 0.02
Climatic ∆R% 0.5 0.5 0.3 0.1
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Long term damp heat ∆R% 0.5 0.5 0.5 0.1
Temperature rapid change ∆R% 0.1 0.1 **0.2 0.05
Resistance to solder heat ∆R% 0.1 0.1 0.06 0.03
Vibration and bump ∆R% 0.1 0.1 0.06 0.02
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Construction
A metal film is deposited onto a high quality ceramic former.
Nickel-plated steel caps are force fitted to the former and
termination wires are welded to the caps.
The resistor is adjusted to value by a helical cut in the film
and the body is protected with a specially formulated epoxy
coating.
Terminations
Material Solder coated copper wire
Strength The terminations meet the requirements of
IEC 68.2.21.
Solderability The terminations meet the requirements of
IEC 115-1, Clause 4.17.3.2.
Precision Metal
Film Resistors
RC series
Marking
Type reference, TCR code, resistance value and
tolerance code.
The resistance values conform to IEC 62.
Solvent Resistance
The body protection and marking are resistant to all normal
industrial cleaning solvents suitable for printed circuits.
Performance Data
Note: *An 0.01 ohm addition to be added to the performance claims of all resistors <10R.
** All products within the specified approved range meet CECC requirements.
Dimensions (mm) & Weight (g)
PCB Min.
mounting Bend
Type L max D max f min d nom centres Radius Wt. nom
RC55 7.2 2.5 30 0.6 10.2 0.6 0.24
RC65 10.0 3.7 30 0.6 12.7 0.6 0.40
RC70 15.5 5.5 30 0.8 18.4 1.2 1.15
Physical Data
L
D
f
d
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© TT electronics plc
07. 11