High Voltage
Planar Dividers
4530 Series
Welwyn Components
•
Dissipation up to 4.5 Watts at 70°C
•
Voltage up to 15 kV dc
•
TCR tracking down to 50 ppm/°C
•
Suitable for high voltage precision dividers,
feedback circuits and measurement systems
Electrical Data
4531*
Power rating at 70°C
Resistance range
Limiting element voltage
TCR (20°C to 70°C)
Resistance tolerance
Resistance ratio tolerances
Standard values
Ambient temperature range
°C
watts
ohms
volts
ppm/°C
%
%
1.0
6.5K
4532*
1.7
6.5K
4533*
2.0
10K
4534*
3.0
10K
100+
1, 2, 5
1, 2, 5
Any value to order
-55 to 125
4535*
2.8
15K
4536*
3.6
15K
4537*
4.5
15K
20K to 130M 36K to 250M 36K to 250M 62K to 450M 51K to 370M 82K to 660M 180K to 1.4G
+TCR tracking 50, 100 ppm/°C
*5th or 6th digit determines protection and lead type (see marking)
Physical Data
Dimensions (mm) of Uncoated Resistors*
Substrate
Type
4531
4532
4533
4534
4535
4536
4537
L max
25.7
25.7
38.7
38.7
51.2
51.2
51.2
H max
9
13
9
13
9
13
25.7
T max
2
2
2
2
2
2
2
V nom
5.1
5.1
5.1
5.1
7.62
7.62
7.62
P nom
20.3
20.3
33.0
33.0
45.7
45.7
45.7
nominal
25 x 8.5
25 x 12.5
38 x 8.5
38 x 12.5
50 x 8.5
50 x 12.5
50 x 25
x0.05
*Conformally coated resistors: Add 1mm to dimensions L and H and 0.5mm to T.
Coating can be extended up to 2mm down leads.
Example: A conformally coated 4531 measures 26.7 x 10 x 2.5 max.
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.
A subsidiary of
TT electronics plc
Issue B · 03.02
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
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