Film Resistors
RC series
Precision Metal Metal
Film Resistors
RC series
Physical Data
Dimensions (mm) & Weight (g)
PCB
mounting
Min.
Bend
Type
RC55
RC65
L max
7.2
10.0
D max
2.5
3.7
f min
30
30
d nom
0.6
0.6
centres
10.2
12.7
Radius
0.6
0.6
Wt. nom
0.24
0.40
d
D
L
f
RC70
15.5
5.5
30
0.8
18.4
1.2
1.15
Construction
A metal film is deposited onto a high quality ceramic former.
Nickel-plated steel caps are force fitted to the former and
Marking
Type reference, TCR code, resistance value and
tolerance code.
termination wires are welded to the caps.
The resistance values conform to IEC 62.
The resistor is adjusted to value by a helical cut in the film
and the body is protected with a specially formulated epoxy
coating.
Solvent Resistance
The body protection and marking are resistant to all normal
industrial cleaning solvents suitable for printed circuits.
Terminations
Material
Strength
Solderability
Solder coated copper wire
The terminations meet the requirements of
IEC 68.2.21.
The terminations meet the requirements of
IEC 115-1, Clause 4.17.3.2.
Performance Data
CECC 40101-004 CECC 40101-804
*Actual Performance
Requirements
Requirements
Maximum
Typical
Load at commercial rating: 1000 hours at 70°C
? R %
0 . 3
0 . 1
Load at CECC rating: 1000 hours at 70°C
Dry heat: 1000 hours at 155°C
Shelf life: 12 months at room temperature
? R%
? R%
? R%
0.5
0.5
Not specified
0.5
0.5
Not specified
0.3
**1.0
0.1
0.05
0.15
0.03
D e r a t i n g f r o m r a t e d p o w e r a t 7 0 ° C
Z e r o a t 1 5 5 ° C
5 0 % a t 1 2 5 ° C
50% at 125°C & Zero at 155°C
Short term overload
Climatic
C l i m a t i c c a t e g o r y
Long term damp heat
Temperature rapid change
Resistance to solder heat
Vibration and bump
N o i s e ( i n a d e c a d e o f f r e q u e n c y )
V o l t a g e c o e f f i c i e n t o f r e s i s t a n c e
? R%
? R%
? R%
? R%
? R%
? R%
μ V / V
p p m / V
0.1
0.5
5 5 / 1 5 5 / 5 6
0.5
0.1
0.1
0.1
N o t s p e c i f i e d
N o t s p e c i f i e d
0.1
0.5
5 5 / 1 2 5 / 5 6
0.5
0.1
0.1
0.1
N o t s p e c i f i e d
N o t s p e c i f i e d
0.1
0.3
5 5 / 1 5 5 / 5 6
0.5
**0.2
0.06
0.06
1 . 0
0.02
0.1
0.1
0.05
0.03
0.02
0 . 1
< 1
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.
General Note
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
TT electronics reserves the right to make changes in product speci?cation 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
? TT electronics plc
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
2.14
07. 11
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