Data sheet E 2/4.936 -
10499
CNS
020
021
high precision resistors
The models CNS 020 and CNS 021 resistors incorporate an ultrastable
thin film element into the RCK02 form factor thereby extending the
existing range capability.
CNS 020
8,1
8,1
CNS 021
ELECTRICAL
DIAGRAM
2,54 max.
2,54 max.
6,62 max.
6,62 max.
3,17 min.
3,17 min.
0,254
0,508
3,81
0,254
4
Thin film
products
0,508
5,08
Dimensions in mm
SPECIFICATIONS
MECHANICAL
..
SUBSTRATE...
RESISTIVE ELEMENT...
TERMINAL LEADS...
PROTECTION...
alumina
passivated nichrome
Sn Pb on Cu alloy
epoxy coating
PERFORMANCE
REQUIREMENTS
TESTS
CONDITIONS
MIL
NFC 83-220
CECC 40 300 R-55182E
DRIFTS
max.
OVERLOAD
TEMPERATURE
CYCLING
TERMINAL
STRENGTH
RESISTANCE TO
SOLDER HEAT
2,5 Un / 5 s
U max. < 2 Un
–55°C/+155°C 5 cycles
CEI 68-2-14 Test Na
CEI 68-2-21
Test Ua (pulling)
Ub (bending)
Uc (twisting)
+260°C / 10 s
CEI 68-2-20A
Test Tb (met 1A)
10 Hz to 500 Hz
10 g. 6 hours met B4
CEI 68-2-6 Test Fc
–55°C / +155°C
6 cycles 95% RH 85mbar
CEI 68-2-61
56 days 95% RH
+ 40°C
CEI 68-2-3
1000 hours Pn at 70°C
90’ / 30’
1000 hours / +155°C
CEI 68-2-2
Test B
± 0,01 %
± 0,05 %
0,01 %
ELECTRICAL
...
OHMIC VALUE RANGE... 100 kΩ... 10 MΩ (lower on request)
RESISTANCE TOLERANCE... ± 0,01 % tightest
± 1% looset
TEMPERATURE COEFFICIENT
...
OF RESISTANCE...
± 10 ppm/°C standard
(–55°C, +125°C)
± 5 ppm/°C on request
(0°C, +70°C)
POWER RATING... 0,25 W at +70°C
0,125 W at +125°C
derating 0 W at +155°C
MAXIMUM WORKING VOLTAGE... 300 V
(higher on request)
CLIMATIC
...
OPERATING TEMPERATURE...
RANGE... –55°C +155°C
MARKING
± 0,01 %
± 0,05 %
0,01 %
± 0,01 %
± 0,02 %
0,01 %
± 0,01 %
± 0,02 %
0,01 %
VIBRATION
± 0,01 %
± 0,05 %
I. Resist.
>10
2
MΩ
± 0,05 %
I. Resist.
>10
2
MΩ
± 0,05 %
± 0,02 %
0,01 %
CLIMATIC
SEQUENCE
–
0,05 %
MOISTURE
–
0,02 %
LOAD LIFE
HIGH
TEMPERATURE
STORAGE
± 0,05 %
0,05 %
In clear : series, model, SFERNICE trademark and manu-
facturing code.
On back side : ohmic value (in
Ω),
tolerance (in %).
ORDERING PROCEDURE
SERIES
MODEL
± 0,05 %
–
0,05 %
OHMIC VALUE
TOLERANCE
CNS
020
020
021
100 kΩ
± 0,02%
±0,01 %
±0,02 %
±0,05 %
±0,1 %0
±1 %
4-46
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