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MFR4P-309KFI

Description
Metal Film Resistors - Through Hole
CategoryPassive components   
File Size574KB,4 Pages
ManufacturerTT Electronics
Download Datasheet Parametric View All

MFR4P-309KFI Overview

Metal Film Resistors - Through Hole

MFR4P-309KFI Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerTT Electronics
Product CategoryMetal Film Resistors - Through Hole
TechnologyMetal Film
Mounting StylePCB Mount
Resistors
Metal Film Resistors
Metal Film Resistors
MFR Series
MFR Series
Professional grade approved to BSCECC
Professional grade approved to
40101-803 and 019
Tolerances down to 0.5%
BSCECC 40101-803 and 019
Temperature coefficient down to 50ppm/°C
Tolerances down to 0.5%
Temperature coefficient down to 50ppm/°C
Welwyn Components
All parts are Pb-free and 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
MFR4
0.5
1R0 - 1M
350
50
0.5, 1
FZ
FX
0.25
0.25
1 to 1M
1 to 1M
250
250
100
250
5.1 to 9.1 : 200 5.1 to 9.1 : 500
1
1
BC
0.125
10 to 1M
200
50
0.5, 1
BK
0.125
10 to 1M
200
100
0.5, 1
MFR5
0.75
1R0 - 1M
350
≤10:150
>10:100
0.5, 1
EZ
0.5
10 to 1M0
350
100
1
CC
0.25
10 to 1M
250
50
0.5, 1
EX
0.5
10 to 1M
350
250
1
CK
0.25
10 to 1M
250
100
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
%
CECC 40101 - 803 Requirements
Power rating at 70°C
watts
Resistance range.
ohms
Limiting element voltage
volts
TCR
ppm/°C
Resistance tolerance
%
These tables indicate the CECC specification requirements, and these are met or exceeded by the corresponding MFR series products.
.
Standard values
Thermal impedance
Ambient temperature range
Product grades available
E24, E96 preferred
°C/watt
°C
150
commercial
140
-55 to 155
commercial, professional
112
professional
Physical Data
Dimensions (mm) & Weight (g)
Type
MFR3
MFR4
MFR5
Commercial
Professional
Commercial
Professional
L max
3.7
6.2
6.8
9.0
D max
2.0
2.5
3.0
3.6
F min
22.4
21.0
21.0
19.6
d nom
0.45
0.6
0.55
0.8
PCB
mount
centres
Min
bend
radius
Wt.
nom
7.6
10.2
10.2
12.7
0.5
0.6
0.6
1.2
0.1
0.3
0.3
0.5
d
D
L
f
General Note
General Note
TT Electronics reserves the right to make changes in product specification without notice
without notice or liability.
Welwyn Components reserves the right to make changes in product specification
or liability.
All information
subject to TT Electronics’ own data and is considered
accurate at time of going
print.
All information is
is subject to Welwyn’s own data and is considered
accurate at time of going to
to print.
BI Technologies IRC Welwyn
A subsidiary of
www.ttelectronics.com/resistors
TT electronics plc
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
© TT Electronics plc
822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Telephone: +44 (0) 1670
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