SC3 WELWYN [Welwyn Components Limited], SC3 Datasheet
SC3
Manufacturer Part Number
SC3
Description
High Power Chip Resistors
Manufacturer
WELWYN [Welwyn Components Limited]
Datasheet
1.SC3.pdf
(3 pages)
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Part Number
Manufacturer
Quantity
Price
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84
Physical Data
High Power
Chip Resistors
SC3 Series
•
•
•
* Rated Power @ 70˚C
Electrical Data
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
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
C
Power dissipation @70˚ C
R
E L
Ambient temp range
R
TCR
Termination
Pad & trace area for maximum
power rating
e
e
h
3 Watts in a 1 Watt size package*
Resistance range from 1 to 200
Tolerances to ±1%
V
s i s
s i s
r a
6.35 ± 0.13mm
a t
a t
c a
n
n
e t
e c
e c
i r
R
o t
t s
a
c i
e l
n
g
a r
e
n
e c
3.18 ± 0.13mm
0.51 ± 0.13mm
Top
· Bedlington, Northumberland NE22 7AA, UK
Leach-resistant solder-plated
copper wrap-around
-55 to +150˚C
±100ppm/˚C
1
0 .
, 1
300mm
3 Watts
V
o t
5
, 2
a
0
u l
wrap-around
± 0.127mm
2
V
5
e
0
thickness
%
0
2
Plating
0.762
(Board Side)
Bottom
0.61 ± 0.13mm
Power Derating Curve
2.29
± 0.13mm
100
80
60
40
20
0
25˚
Temperature in ˚C
Solder Pad Layout
Recommended
Welwyn Components
70˚
7.6mm
TT electronics plc
Issue B · 01.07
Issue A · 03.02
A subsidiary of
150˚
2mm
1mm
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SC3 Summary of contents
Page 1
... High Power Chip Resistors SC3 Series • 3 Watts Watt size package* • Resistance range from 1 to 200 • Tolerances to ±1% * Rated Power @ 70˚C Electrical Data Power dissipation @70˚ ...
Page 2
... Marking The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuits. Chips are packed and mounted with marking side up. The SC3 Chips are mounted with the actual resistor element mounted face down on its termination pads ...
Page 3
... Chip Resistors SC3 Series Packaging SC3 Resistors are supplied taped and reeled as per IEC 286-3. The standard quantity per reel is 1800 parts. LRF3W Resistors are supplied taped and reeled as per IEC 286-3. The standard quantity per reel is 1800 parts. 33 ± 1.0 Marking (Both sides) 13 ± ...