Chip Resistor
Arrays
Welwyn Components
WNCR Series
Reduced placement cost
•
Compact size
•
Zero ohms also available
•
Design flexibility
•
Electrical Data
WNCR
0.063
10 to 1M
200
Power rating per resistor at 70°C
Resistance range (E24)
watts
ohms
ppm/°C
%
TCR -55 to 125°C
Resistance tolerance
5
Maximum overload voltage
Maximum working overload
Ambient temperature range
volts
volts
°C
100
50
-55 to +125
Physical Data
Dimensions (mm)
P
L
t
c
c
d
d
Type
L
W
a
b
c
d
p
t
W
WNCR 164
Concave
Terminations
Type
3.20
0.15
1.60
0.15
0.50
0.15
0.5
0.35
0.15
0.40
0.15
0.8
0.45
0.10
a
b
p
L
W
a
b
c
d
p
t
c
c
d
d
WNCR 168
Convex
3.20
0.10
1.60
0.10
0.60
0.15
0.40
0.15
0.25
0.15
0.30
0.20
0.8
0.50
0.10
W
a
b
t
Terminations
L
Solderability
At least 95% of the terminal area shall be covered by
Schematic
continuous smooth new solder.
8
5
4
Marking
Normal resistance value is marked on the top of the resistor
with three digits.
1
The first two digits are significant of the nominal value and
the third digit is the multiplier.
Construction
Substrate
Resistor
Terminations
Alumina
Ruthenium Oxide
Nickel & solder plated
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
© 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 · 03.02
80
TTELEC [ TT Electronics ]
