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YAGEO CORPORATION LEADED RESISTORS
Metal Oxide Film Resistors
FLAME-PROOF TYPE
Normal & Miniature Style [ RSF Series ]
FEATURES
Low Cost, Prompt Delivery
High Power-to-Size Ratio for Significant Space Savings
Complete Flameproof Construction-UL 1412
High Surge/Overload Capability
Non-Inductive Design
Wide Resistance Range: 1
Ω~1MΩ
Resistance ToLerance:
± 5%
Unit : mm
INTRODUCTION
These Metal Oxide Resistors offer excellent
performance in applications where stability
and uniformity of characteristics are desired.
They provide lower cost alternatives to
Carbon Composition Resistors and General
Purpose Metal Films. Metal Oxides also can
replace many low power General Purpose
wirewound applications, saving both money
and time, with shorter delivery cycles.
The normal style & the miniature style of RSF
series are coated with layers of gray and pink
colors flame-proof lacquer respectively.
ød
H
L
øD
DIMENSIONS
STYLE
DIMENSION
Normal
Miniature
L
øD
H
ød
–
RSF50S
6.3
± 0.5
2.3
± 0.3
28
± 2.0
0.6
± 0.05
RSF-50
–
9.0
± 0.5
3.2
± 0.3
26
± 2.0
0.6
± 0.05
–
RSF1WS
9.0
± 0.5
3.2
± 0.3
26
± 2.0
0.6
± 0.05
RSF100
RSF2WS
11.5
± 1.0
4.5
± 0.5
35
± 2.0
0.8
± 0.05
RSF200
RSF3WS
15.5
± 1.0
5.0
± 0.5
33
± 2.0
0.8
± 0.05
RSF5SS
RSF3WM
17.5
± 1.0
6.5
± 1.0
32
± 2.0
0.8
± 0.05
RSF300
RSF5WS
24.5
± 1.0
8.5
± 1.0
38
± 2.0
0.8
± 0.05
RSF500
–
24.5
± 1.0
8.5
± 1.0
38
± 2.0
0.8
± 0.05
DERATING CURVE
Ambient Temperature (ºC)
Rated Load (%)
HOT-SPOT TEMPERATURE
Surface Temp. Rise (ºC)
Applied Load, % of RCWV
100
80
60
40
20
50
100
150
200
250
70ºC
025
50
75
100
200
150
100
50
RSF500
RSF5WS
RSF300
RSF3WM, RSF5SS
RSF2WS RSF3WS
RSF200
RSF1WS
RSF100
RSF50S
RSF-50
Measuring Position
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