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WMO-S Datasheet, PDF (1/3 Pages) Welwyn Components Limited – FLAMEPROOF METAL OXIDE RESISTORS
Flameproof Metal
Oxide Resistors
WMO-S Series
Cost effective
Small size for power rating
Good pulse handling capability
Flameproof protection
Electrical Data
Power rating @70°C
watts
Resistance range
ohms
Limiting element voltage volts
TCR (25 to 75°C)
ppm/°C
Isolation Voltage
volts
Resistance tolerance
%
Standard Values
Thermal Impedance
°C/watt
Ambient temperature range °C
WMO½S
½
250
250
125
WMO1S
WMO2S
1
2
10R – 100K
300
350
350
350
5
E24
105
75
-55 to +155
WMO3S
3
63
WMO5S
5
500
500
42
Physical Data
Dimensions (mm) and Weight (g)
Type
L max.
WMO½S
7.5
WMO1S
10
WMO2S
12
WMO3S
16
WMO5S
26
D max.
3
4.5
5
5.5
8.5
f min.
22
21
20
25
29
D
d nom.
0.6
0.7
0.7
0.8
0.8
PCB mounting centres Min. bend radius
12.7
0.6
15.2
1.05
17.8
1.05
20.3
1.2
30.5
1.2
Wt. nom.
0.22
0.42
0.63
1.0
3.7
d
L
f
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: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
A subsidiary of
TT electronics plc
Issue B . 03.07