Double-Sided
Chip Resistors
Welwyn Components
DSC Series
Two parallel resistance elements
in a single chip
•
Excellent pulse withstand performance
•
Laser trimmed up to 0.5% tolerance
•
Enhanced working voltage
•
Enhanced power rating
•
Pb-free terminations
•
Electrical Data
1206
0.33
2.1
2010
0.75
2512
1.5
Power @70°C
Watts
Watts
2 second overload power @25°C
Short pulse performance
Resistance range
Tolerance
4.7
9.4
See graphs
1R0 to 4M7
Ohms
%
10R to 1M: 0.5, All values: 1, 5
400
LEV
Volts
ppm/°C
°C
200
500
TCR
<10R:200 >10R:100
_
Operating temperature
Dielectric withstand voltage
Thermal Impedance
Pad & trace area for rated power*
Values
-55 to +155
Volts
°C/W
mm2
500
80
160
50
50
60
100
E24 or 96 preferred - other values to special order
*Recommended minimum pad & adjacent trace area for each termination for rated power dissipation on FR4 PCB
Physical Data
Dimensions (mm) & Weight (g)
L
W
T max
A
B min
C
Wt.
C
1206
2010
2512
3.2 0.4
1.6 0.2
0.7
0.4 0.2
1.7
0.4 0.15
0.020
T
A
B
5.1 0.3
6.5 0.3
2.5 0.2
3.2 0.2
0.8
0.8
0.6 0.3
0.6 0.3
3.0
4.4
0.6 0.25
0.6 0.25
0.036
0.055
L
W
A
Wrap-around terminations
(3 faces)
Construction
Thick film resistor material, overglaze and organic protection are screen printed on a 96% alumina substrate. Wrap-around terminations
have an electroplated nickel barrier and Pb-free solderable coating, this ensures excellent ‘leach’ resistance properties and solderability.
Marking
Components are not marked. Reels are marked with type, value, tolerance, date code and quantity.
Solvent Resistance
The body protection is resistant to all normal industrial cleaning solvents suitable for printed circuits.
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
A subsidiary of
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
TT electronics plc
© 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
Issue B · 01.06