CAR Datasheet, PDF (1/2 Pages) Welwyn Components Limited – Ultra Precision Metal Film Resistors

Ultra Precision
Metal Film Resistors
Welwyn Components
CAR series
• Tolerance down to 0.01%
• ^{Low TCR’s}
• ^{High reliability}
• ^{Superior moisture performance}
• ^{Non standard values available}
• ^{Highest stability metal film available}
• ^{Matched sets and networks}
Electrical Data
Power rating at 70°C
Power rating at 85°C
Resistance range
Limiting element voltage
TCR (20 to +70°C)
Resistance tolerance
Standard values
Thermal impedance
Ambient temperature range
CAR5
CAR6
CAR7
watts
0.25
0.33
0.5
watts
0.125
0.25
0.33
ohms 10R0 to 3M 10R0 to 5M 10R0 to 10M
volts
250
350
500
ppm/°C
5(V), 10(T), 15(Y), 25(D), 50(C)
% 0.01(L), 0.02(P), 0.05(W), 0.1(B), 0.25(C), 0.5(D) & 1(F)
E24, E96 preferred
°C/watt
110
70
60
°C
-55 to +155
Notes
See tolerance/TCR
combinations
below
Table of Resistance Restrictions
TCR
ppm/°C 0.01-0.02%
5
50 to 300k
10
50 to 300k
15
50 to 300k
25
50 to 300k
50
50 to 300k
CAR5
0.05%
10 to 500k
10 to 1M
10 to 1M
10 to 1M
10 to 1M
0.1-1%
10 to 500k
10 to 1M
10 to 1M
10 to 1.5M
10 to 3M
0.01/0.02%
50 to 500k
50 to 500k
50 to 500k
50 to 500k
50 to 500k
Tolerance
CAR6
0.05%
10 to 500k
10 to 1M
10 to 1M
10 to 1M
10 to 1M
0.1-1%
10 to 500k
10 to 1M
10 to 1M
10 to 3M
10 to 5M
0.01-0.02%
50 to 750k
50 to 750k
50 to 750k
50 to 750k
50 to 750k
CAR7
0.05%
10 to 750k
10 to 1M
10 to 1M
10 to 1M
10 to 1M
0.1-1%
10 to 750k
10 to 1.5M
10 to 3.5M
10 to 5M
10 to 10M
Physical Data
Dimensions (mm) and Weight (g)
Type
CAR5
CAR6
CAR7
L Max
7.2
10.0
15.5
D Max
2.5
3.7
5.5
f min
30
30
30
PCB
mounting
d nom. centres
0.6
10.2
0.6
12.7
0.8
18.4
Min
Bend
Radius
0.6
0.6
1.2
Wt.
nom.
0.24
0.40
1.15
d
D
L
f
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
178
A subsidiary of
TT electronics plc
Issue B · 03.02