WNCR Datasheet, PDF (1/2 Pages) Welwyn Components Limited – Chip Resistor Arrays

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