MF-R008/250U-0 Bourns Inc., MF-R008/250U-0 Datasheet - Page 2
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MF-R008/250U-0
Manufacturer Part Number
MF-R008/250U-0
Description
PTC Resettable Fuses 250v Max 3Amps Max
Manufacturer
Bourns Inc.
Type
Telecom PTC Resettable Fusesr
Series
MF-RX/250r
Datasheet
1.MF-R008250U-0.pdf
(5 pages)
Specifications of MF-R008/250U-0
Hold Current
0.08 Amp
Trip Current
0.16 Amp
Current Rating (max)
40 Amps
Resistance
20 Ohms
Maximum Voltage
60 VoltsDC
Termination Style
Radial
Mounting Style
Through Hole
Current Rating
0.08 Amp
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Additional Features
■
■
I trip is approximately two times I hold.
Packaging options:
BULK: 500 pcs. per bag.
Thermal Derating Chart - I hold (Amps)
Product Dimensions
MF-R008/250
MF-R011/250U
MF-R012/250
MF-R014/250
MF-R018/250U
Assists equipment with meeting ITU-T K.20/K.21/K.45
Assists equipment with meeting Telcordia GR-1089-C Intrabuilding
Model
MF-R008/250
MF-R008/250U
MF-R011/250U
MF-R012/250
MF-R012/250U
MF-R014/250
MF-R014/250U
MF-R018/250U
Model
MF-R/250 Series -
D
TAPE & REEL: 1500 pcs. per reel (not available with binned option).
-40 ˚C
0.124
0.171
0.186
0.255
0.269
A
(0.295)
(0.244)
(0.244)
(0.295)
(0.244)
(0.295)
(0.244)
(0.409)
Max.
10.4
7.5
6.2
6.2
7.5
6.2
7.5
6.2
A
C
0.110
0.151
0.165
0.199
0.240
-20 ˚C
Telecom PTC Resettable Fuses
B
(0.453)
(0.453)
(0.453)
(0.453)
(0.453)
(0.453)
(0.453)
(0.496)
Max.
11.5
11.5
11.5
11.5
11.5
11.5
11.5
12.6
B
0.095
0.131
0.143
0.172
0.211
E
0 ˚C
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
Ambient Operating Temperature
0.080
0.110
0.120
0.145
0.180
23 ˚C
Max.
C
0.066
0.091
0.099
0.119
0.153
40 ˚C
Customers should verify actual device performance in their specific applications.
(0.197)
(0.197)
(0.197)
(0.197)
(0.197)
(0.197)
(0.197)
(0.197)
Min.
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
D
0.059
0.081
0.088
0.106
0.138
50 ˚C
(0.189)
(0.150)
(0.150)
(0.189)
(0.150)
(0.189)
(0.150)
(0.150)
Max.
4.8
3.8
3.8
4.8
3.8
4.8
3.8
3.8
E
Represents total content. Layout may vary.
Typical Part Marking
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
PART
IDENTIFICATION
Specifications are subject to change without notice.
0.051
0.071
0.077
0.093
0.123
60 ˚C
Physical Characteristics
Lead Dia.
(0.026)
(0.026)
(0.026)
(0.026)
(0.026)
(0.026)
(0.026)
(0.026)
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0180T
R012
70 ˚C
0.044
0.061
0.066
0.080
0.109
DIMENSIONS =
Material
MANUFACTURER'S
TRADEMARK
COUNTRY OF
MANUFACTURE
(T = TAIWAN
S = CHINA)
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
85 ˚C
0.033
0.046
0.050
0.060
0.087
(INCHES)
MM