MF1 查看數據表（PDF） - Welwyn Components Limited
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MF1 Datasheet PDF : 3 Pages
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Power Metal
RPeoswisFteoilrmsMReteaslistors
PFoilmweRr eMseisttaol rFsilm Resistors
MF-S Series
MF-S SeriesSmall size for power rating
MFS-SmSaelrliessizeRafnogr epoowf 4ersirzaetsin: g0.5 watt to 3 watt at 70˚C
RSmanagll esizoefFfo4larsmpiozewepser:ro0roa.5ftinpwgroatttecttoio3nwatt at 70˚C
FRlaanmgeepofro4osifzepsr:o0t.e5cwtiaotnt to 3 watt at 70°C
Flameproof protection
Welwyn Components
Welwyn Components
Electrical Data
All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
Electrical Data
Power rating at 70° C
Resistance range
Power rating Laitm7it0in° gCelement voltage
Resistance ranTgCeR
Limiting elemIesnotlavtoioltnagvoeltage
TCR
Resistance tolerance
Isolation voltaSgteandard values
Resistance tolTehraenrmceal impedance
Standard valuAems bient temperature range
Thermal impedance
Ambient temperature range
Physical Data
watts
ohms
volts
ppm/° C
volts
%
° C/watt
°C
MF1/2S
MF1S
MF2S
watts
MohFm1/s2S
0.5
MF1S
1.0
2.0
M0F2RS1 – 1M
MF3S
vo0l.t5s
1.0
2.0 350
3.0
ppm/° C
0R1<–110MΩ :350
10Ω :150
volts
500 350
%
< 10Ω :350 < 1Ω1:05Ω :150 >1Ω : 1, 2, 5
500
E24 preferred 700
° C/watt
°C
140< 1Ω : 5
11>01Ω : 1, 2, 5 80
E24 preferred -55 to 155
140
110
80
60
-55 to 155
MF3S
3.0
700
60
Physical Data Dimensions (mm) & Weight (g)
Dimensions (mm) & Weight (g)
Type
L LMx D MDax
f min
PCB
Min.
mounting bend
d
P+dC0.0Bn1om-0.06 Mceinn.tres radius
Wt.nom
Type
MF1/2S
MF1S
MF2S
MF1/2S
6.2
+0 -0.5
2.5
+0 -0.25
d 21.0 mount0in.g6
L LMMxF1S
6.2
+0 M-0F.52S
9.0
+0M-0F.63S
12.5
+0 -2.1
D MDax9.0
2.5+0 -0.6
+0 -0.1225.5
3.6+0 -2.1
+0.5 -104.5
4.2+0.6 -0
+0.8 -0
f
min3.6
+0.5
-0+d0.0n1o1m-09.0.66
21.04.2
+0.8 -0
0.617.8
19.65.3
+0 -0.4
0.823.8
17.8
0.8
centre0s.8
10.0.20.8
12.70.8
18.4
ben1d0.0.2
0.6
radiu1s2.7 Wt.no1m.2
0.618.4 0.31.2
1.220.3 0.51.2
1.2
0.9
0.3
0.5
0.9 d D
1.1
dD
L
L
f
f
MF3S
14.5
+0.6 -0
5.3
+0 -0.4
23.8
0.8
20.3
1.2
1.1
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.
A subsidiary of
BI Technologies GGeenneerraal lNNootete
TWATlleEillnwefcyotnrromCnaioctmsiorpneosiens©TreevslneueWstbpstjhehreoecelntswreeitgro:vhy+eWtn4st4oetChlwm(e0oya)rmnki1ge’s6hpco7thow0atonnn8gem2de2nasa1tktian8es1pacLrnh·oidaFdmanuiscgcisttceiemosspndiienlseci·d:pifeBi+rcore4aedt4diuloin(can0tgc)wctso1upitn6reha,7coti0Neufitco8aanr2ttohi9totiu4imncm6eew5booier·tfrhlEilagaombnouiaditlniitlngy:No.iEntto2ifco2ep@r7oiwnArteAl.ila,wbUyilKnit-yt.t.com · Website: www.welwyn-tt.com
IRC WelwynTT electronics plc
A subsidiary of Issue C · 0031..0086
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK
www.ttelectrToTniecsle.ccotmro/nreicssisptolcrs
©TeleTpThEonleec:t+ro44ni(c0s) p1l6c70 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Issue C · 0031..0086
06.18 147
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