High-Megohm Chip Resistors

SMT-Precision-R-Networks
Type: SCN
Sizes: SOT 143, SOT 223, SO 8, SO 14,
SO 16, SO 20L
Features:
•
•
•
Thinfilm (NiCr) on passivated Si- or Alumina-substrate
Standard types and custom networks
Relative-data (tolerance, TCR and stability) much closer
than with single resistors
Sizes:
Example
Size
L
B
D
n
SOT 143
3.0
2.5
1.1
4
SOT 223
6.5
7.0
1.6
4
SO 8
5.1
6.0
2.0
8
SO 14
8.9
6.0
2.0
14
SO 16
10.2
6.0
2.0
16
SO 20L
13.0
10.5
2.65
20
L = Length, B = Width, D = Thickness, C = Width wrap around (in mm)
(detailed drawings on request)
Standard versions:
Resistor bridges, single resistors and current-divider
(detailed data on request)
Inquiry and ordering data:
Size
Number and connection of resistors
Resistance values
Tolerance and TCR (absolute and relative)
Power rating
Temperature range
Stability requirements
Packaging (bulk, tape/reel, magazine)
Issue 02-2007
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom.
+ 44 (0) 1342 835234 + 44 (0) 1342 834306  [email protected]  http://www.willow.co.uk
SMT-Precision-R-Networks
Type: SCN
Sizes: SOT 143, SOT 223, SO 8, SO 14,
SO 16, SO 20L
Technical data – depending on size
Size
SOT 143
SOT 223
SO 8
So 14
SO 16
SO 20L
Power rating P70
(P125 = 0 mW)
125
250
250
250
250
500
Resistance range
10R / 1M
10R / 5M
10R / 5M
10R / 10M
10R / 10M
10R / 10M
Technical data - general:
Working voltage U_, Ueff
100 V Silizium, 250 V Keramik
Tolerance absolute
relative
± 0.05; ± 0.1; ± 0.25; ± 0.5; ± 1%
< 0.0251) ; < 0.05; < 0.1%
± 51), ± 102), ± 25, ± 50, x 10-6/K
< 11), < 22), < 5, < 10-6/K
- 55°C ... + 125°C
- 55°C ... + 155°C
25/125/56
Solderability DIN EN 60068-2-58 (lead-free and lead-containing) 250°C 3s
Max. soldering temperature DIN EN 60068-2-58
260°C 10s
TCR
absolute
relative
Operating temperature range
Storage temperature range
Climatic category acc. to DIN EN 60068-1
Long term stability
Tol.< 0.25%
1000 h
10000 h
Tol.> 0.25%
1000 h
Storage 125°C/1000h
absolute
relative
< 0.02%
< 0.005%
< 0.06%
< 0.02%
< 0.05%
< 0.01%
Storage 155°C/1000h
absolute
relative
< 0.1%
< 0.05%
< 0.2%
< 0.1%
< 0.2%
< 0.1%
Damp heat
(56d/40°C/96%)
absolute
relative
1)
2)
< 0.05%
< 0.01%
10000 h
< 0.1%
< 0.05%
< 0.5%
< 0.2%
< 0.10%
< 0.05%
Temperature range
0 … + 70°C
Temperature range –25 … + 125°C
Issue 02-2007
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom.
+ 44 (0) 1342 835234 + 44 (0) 1342 834306  [email protected]  http://www.willow.co.uk