MF-S Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

Power Metal
Film Resistors
MF-S Series
• ^{Small size for power rating}
• ^{Range of 4 sizes: 0.5 watt to 3 watt at 70˚C}
• ^{Flameproof protection}
Welwyn Components
Electrical Data
Power rating at 70˚ C
Resistance range
Limiting element voltage
TCR
Isolation voltage
Resistance tolerance
Standard values
Thermal impedance
Ambient temperature range
watts
ohms
volts
ppm/˚ C
volts
%
˚ C/watt
˚C
MF1/2S
MF1S
MF2S
MF3S
0.5
1.0
2.0
3.0
0R1 – 1M
0R1 – 470k
350
150
< 10 :350
10 :150
500
700
1 : 5, 10 >1 : 1, 2, 5
E24 preferred
140
110
80
60
-55 to 155
Physical Data
Dimensions (mm) & Weight (g)
Type
L Max
MF1/2S 6.2
MF1S
9.0
MF2S 12.5
MF3S 14.5
D Max
2.5
3.6
4.2
5.3
f min
21.0
19.6
17.8
23.8
d nom
0.6
0.8
0.8
0.8
PCB
mounting
centres
10.0.2
12.7
18.4
20.3
Min.
bend
radius
0.6
1.2
1.2
1.2
Wt.nom
0.3
0.5
0.9
1.1
dD
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: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
A subsidiary of
TT electronics plc
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