MF-S Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

Power Metal
RPeoswis_Fteo_ilrmsMReteaslistors
P^Fo^ilmwe^Rr ^eM^se^ist^ta^ol ^rF^silm Resistors
MF-S Series
MF-S Series^{Small size for power rating}
MF_S-S_mS_ae_lr_lie_ss_izeRafnogr epoowf 4ersirzaetsin: _g0.5 watt to 3 watt at 70˚C
RSmanagll esizoefFfo4larsmpiozewepse^r:r^o0r^oa.5ftin^pwg^{roatttecttoio3nwatt} at 70˚C
F^Rl^aaⁿm^geep^ofro⁴o^sif^zep^sr^:o⁰t^.e⁵c^wti^ao^tn^{t to 3 watt at 70°C}
Flameproof protection
Welwyn_MakC_{e P}o_osm_sibp_le onents
Welwyn Components
Electrical Data
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
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
M_ohF_m1/_s2S
0.5
MF1S
1.0
2.0
M₀F2_RS_{1 – 1M}
MF3S
vo0l.t5s
1.0
2.0 ₃₅₀
3.0
ppm/° C
0R1<–110M_{Ω :350}
10Ω :150
volts
500 ³⁵⁰
%
< 10Ω :350 _{< 1Ω}1:05Ω :150 _{>1Ω : 1, 2, 5}
500
E24 preferred ⁷⁰⁰
° C/watt
°C
140< ^{1Ω : 5}
11>01^{Ω : 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 L_MMx_F1S
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.
G^Ge^enⁿe^er^ra^al ^lN^No^ote^te
T^WAT_lleE_ill_nwe_fc^yotⁿr_ro_mCn_ai^oc_tms_ior^pne^os_ie^ns©_Tr_eev_slne_ue^Ws^tbpst_jheh^re_oece^l_nts^wr^eei_tg^ro:vh^y_+eWtⁿ_4st₄o_et^Chlwm_(e0^o_ya_)r^m_nk^i1ge_’s6h^pc_o7th^o_w0a^tonn_n8g^em2de₂ⁿ_as^a1tkti_an_8e^s₁p_ac^Lr_nh·oⁱ_daFd^m_anu_iscgcⁱ_s^tt_cei^e_mos^sp_n^diie^nlsec_i·d:pif_eBi_+rc^ore4a_edt_4di^ulo^in(can_0tgc)w_ctso1upit^n6reh_a,7co_ti0Neu^fit^co8aan^r2tto^hi9tot_iu4i_mnc^m6e_ew5bo_oier_·tfrhl_Ei^la_gaomb^noui_aditl_ni_it_lngy_{:[e-mail],wbUyilKnit-yt.t.com · Website: www.welwyn-tt.com}
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
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