MFR4-22KFI Datasheet, PDF (1/4 Pages) List of Unclassifed Manufacturers – Metal Film Resistors

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Metal Film Resistors
M_MF_FR_RS_Ser_ei_re_ies _s
s ^{PProffeessssioionnalaglrgadraedaepparpovperdovtoedBStCoECC 40101-803 and 019}
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Optional RoHS compliant or Lead bearing wire finishes
s ^{Temperature coefficient down to 50ppm/°C}
Make Possible
Welwyn Components
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
Electrical Data
Power rating at 70°C
Resistance range
Limiting element voltage
TCR
Resistance tolerance
watts
ohms
volts
ppm/°C
%
MFR3
0.4
10R - 1M
200
50
1
Note 1 - Tighter TCRs are available on professional grade, consult factory for details.
MFR4
0.5
1R0 - 1M
350
50
0.5, 1
CECC 40101 - 019 Requirements
Power rating at 70°C
watts
Resistance range.
ohms
Limiting element voltage
volts
TCR
ppm/°C
Resistance tolerance
%
FZ
0.25
1 to 1M
250
100
5.1 to 9.1 : 200
1
FX
0.25
1 to 1M
250
250
5.1 to 9.1 : 500
1
MFR5
0.75
1R0 - 1M
350
≤10:150 >10:100¹
0.5, 1
EZ
0.5
10 to 1M0
350
100
1
EX
0.5
10 to 1M
350
250
1
CECC 40101 - 803 Requirements
Power rating at 70°C
watts
Resistance range.
ohms
Limiting element voltage
volts
TCR
ppm/°C
Resistance tolerance
%
BC
0.125
10 to 1M
200
50
0.5, 1
BK
0.125
10 to 1M
200
100
0.5, 1
CC
0.25
10 to 1M
250
50
0.5, 1
CK
0.25
10 to 1M
250
100
0.5, 1
These tables indicate the CECC specification requirements, and these are met or exceeded by the corresponding MFR series products.
.
Standard values
E24, E96 preferred
Thermal impedance
°C/watt
150
140
Ambient temperature range
°C
-55 to 155
Product grades available
commercial
commercial, professional
112
professional
Physical Data
Dimensions (mm) & Weight (g)
Type
L max
D max
PCB Min
F min d nom mount bend
centres radius
Wt.
nom
MFR3
Commercial
Professional
3.7
2.0 22.4 0.45 7.6 0.5 0.1
6.2
2.5 21.0 0.6 10.2 0.6 0.3
dD
L
f
MFR4
Commercial
6.8
3.0
21.0 0.55 10.2 0.6 0.3
MFR5 Professional
9.0
3.6 19.6 0.8 12.7 1.2 0.5
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