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MF-R250 Datasheet(PDF) 2 Page - Bourns Electronic Solutions

Part # MF-R250
Description  Radial Leaded Devices
Download  5 Pages
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

MF-R250 Datasheet(HTML) 2 Page - Bourns Electronic Solutions

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Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
A
B
C
D
E
Physical Characteristics
Model
Max.
Max.
Max.
Min.
Max.
Lead Dia.
Material
MF-R008/250
7.5
11.5
5.1 ± 0.7
5.0
4.8
0.65
Sn/Cu
(0.295)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.189)
(0.026)
MF-R008/250U
6.2
11.5
5.1 ± 0.7
5.0
3.8
0.65
Sn/Cu
(0.244)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.150)
(0.026)
MF-R011/250U
6.2
11.5
5.1 ± 0.7
5.0
3.8
0.65
Sn/Cu
(0.244)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.150)
(0.026)
MF-R012/250
7.5
11.5
5.1 ± 0.7
5.0
4.8
0.65
Sn/Cu
(0.295)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.189)
(0.026)
MF-R012/250U
6.2
11.5
5.1 ± 0.7
5.0
3.8
0.65
Sn/Cu
(0.244)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.150)
(0.026)
MF-R014/250
7.5
11.5
5.1 ± 0.7
5.0
4.8
0.65
Sn/Cu
(0.295)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.189)
(0.026)
MF-R014/250U
6.2
11.5
5.1 ± 0.7
5.0
3.8
0.65
Sn/Cu
(0.244)
(0.453)
(0.201 ± 0.028)
(0.197)
(0.150)
(0.026)
MF-R018/250U
10.4
12.6
5.1 ± 0.7
5.0
3.8
0.65
Sn/Cu
(0.409)
(0.496)
(0.201 ± 0.028)
(0.197)
(0.150)
(0.026)
Product Dimensions
Packaging options:
BULK: 500 pcs. per bag.
TAPE & REEL: 1500 pcs. per reel (not available with binned option).
MF-R/250 Series - Telecom PTC Resettable Fuses
MM
(INCHES)
DIMENSIONS =
C
D
B
E
A
Typical Part Marking
Represents total content. Layout may vary.
R012
0180T
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
COUNTRY OF
MANUFACTURE
(T = TAIWAN
S = CHINA)
Thermal Derating Chart - Ihold (Amps)
Ambient Operating Temperature
Model
-40 ˚C
-20 ˚C
0 ˚C
23 ˚C
40 ˚C
50 ˚C
60 ˚C
70 ˚C
85 ˚C
MF-R008/250
0.124
0.110
0.095
0.080
0.066
0.059
0.051
0.044
0.033
MF-R011/250U
0.171
0.151
0.131
0.110
0.091
0.081
0.071
0.061
0.046
MF-R012/250
0.186
0.165
0.143
0.120
0.099
0.088
0.077
0.066
0.050
MF-R014/250
0.255
0.199
0.172
0.145
0.119
0.106
0.093
0.080
0.060
MF-R018/250U
0.269
0.240
0.211
0.180
0.153
0.138
0.123
0.109
0.087
Itrip is approximately two times Ihold.
Additional Features
Assists equipment with meeting ITU-T K.20/K.21/K.45
Assists equipment with meeting Telcordia GR-1089-C Intrabuilding


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