Type MRF
MRFD0106
EMRFD1005A1
RoHS Compliant
Fast Acting Radial Lead Micro Fuse Series
Catalog
Number
Ampere
Rating
Typical
Volt-drop Melting I
2
T
Cold
@100%
In
< 10 mSec
Resistance
(ohm)
(Volt) max. (A
2
Sec)
Melting I
2
T
@10
In
(A
2
Sec)
Maximum
Power
Dissipation
(W)
MRF 50
MRF 63
MRF 80
MRF 100
MRF 125
MRF 160
MRF 200
MRF 250
MRF 315
MRF 400
MRF 500
MRF 630
MRF 800
MRF 1
MRF 1.25
50mA to 6.3A / 250V AC @ 50A
1A to 5A / 250V AC @ 100A
50mA
63mA
80mA
100mA
125mA
160mA
200mA
250mA
315mA
400mA
500mA
630mA
800mA
1A
1.25A
1.6A
2A
2.5A
3.15A
4A
5A
6.3A
12
8.6
6.2
4.48
3.22
2.40
1.60
0.45
0.34
0.25
0.19
0.091
0.071
0.055
0.043
0.034
0.026
0.020
0.016
0.012
0.010
0.008
0.72
0.65
0.58
0.52
0.47
0.46
0.41
0.254
0.246
0.239
0.232
0.106
0.103
0.100
0.097
0.094
0.091
0.088
0.086
0.083
0.081
0.078
0.001
0.001
0.002
0.003
0.006
0.010
0.017
0.029
0.05
0.08
0.15
0.12
0.21
0.36
0.61
1.1
1.8
3.1
5.3
9
16
27
0.001
0.001
0.002
0.003
0.006
0.010
0.016
0.027
0.05
0.08
0.13
0.13
0.22
0.36
0.59
1.0
1.7
2.7
4.5
8
13
21
0.08
0.09
0.11
0.12
0.14
0.10
0.12
0.15
0.18
0.22
0.27
0.15
0.19
0.23
0.28
0.35
0.42
0.51
0.62
0.77
0.93
1.14
Electrical Characteristics
(IEC-127-3 STANDARD SHEET 3)
Rated
Current
50mA to 6.3A
inclusive
1.5
In
2.1
In
MIN
MAX
2.75
In
MIN
MAX
MIN
4
In
MAX
10
In
MAX
1
hr.
30
min.
10
ms
3
sec
3
ms
300
ms
20
ms
Approvals
sd
r
Spc
Amp range / Volt @ I.R. ability
50mA to 5A / 250V AC @ 35A or
10
In
whichever is greater
Safety Agency Approvals
s
d
r
Certificate No. 9535135, 9601126,
9606126, 9710058
License No. 93941
Recognized File No. E20624
Acceptance File No. LR39772
File No. JET1037-31007-1001
S
p
MRF 1.6
MRF 2
MRF 2.5
MRF 3.15
MRF 4
MRF 5
MRF 6.3
RoHS Compliant Product
RoHS Wave Soldering Compatible : (260°C, 10 sec max)
Environmental Specification
Shock Resistance
MIL-STD-202G, Method 213B,Condition I (Sawtooth)
(100 G’s peak for 6 milliseconds; Sawtooth Waveform)
Vibration Resistance
10-55 Hz x 3 axis/ no load (MIL-STD-202G, Method 201A)
Salt Spray Resistance
MIL-STD-202G, Method 101E, Condition B (48Hrs)
Solderability
MIL-STD-202G, Method 208H
Soldering Heat Resistance
MIL-STD-202G Method 210F, Test Condition C. Top Side
(260°C, 20 sec)
Moisture Resistance
MIL-STD-202G, Method 106G
Operating Temperature
-55°C to +125°C
Consult manufacturer for other ratings
On label:
“bel”, “MRF”, “Current Rating”, “Voltage Rating”, “Interrupting Rating”,
“Appropriate Safety Logos” and “
” for RoHS VersionPackaging
Packaging
1. In bulk: 1,000 pcs per box
2. On Tape: Ammo pack, 1,000 pcs per box per EIA-468-A and IEC-286-2
Mechanical Dimensions
BULK / SHORT LEADS
AMMO PACK / LONG LEADS
12.7mm
±
0.3mm
MRF
ø8.35
±
0.10
7.7
±
0.2
4.3
±
0.3
0.5 min
ø0.6mm
±
0.1
9 mm +2
-0
Physical Specification
Materials
Base and Cap: Black thermoplastic, UL 94-V0
Pins: Tin plated copper alloy
Marking
On fuse:
“bel”, “F”, “Current Rating”, “250V” & “Appropriate Safety
Logos”
5.08
±
0.1
(0.200
±
0.004")
6.3mm
±
1.3 mm
Dimension in mm
ORDERING INFORMATION SEE LAST 2 PAGES
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: belfuse@belfuse.com
Website: www.belfuse.com
23
Specifications subject to change without notice
Type MRF
RoHS Compliant
Fast Acting Radial Lead Micro Fuse Series
MRFC1004
(O02)
MRF - TIME CURRENT CHARACTERISTIC CURVE
-
50mA
-
63mA
-
80mA
-
100mA
-
125mA
-
160mA
-
200mA
-
250mA
-
315mA
-
400mA
-
500mA
-
630mA
-
800mA
-
1A
-
1.25A
-
1.6A
-
2A
-
2.5A
-
3.15A
-
4A
-
5A
-
6.3A
10000
1000
100
TIME IN SECONDS
10
1
0.1
0.01
0.01
0.1
1
10
100
CURRENT IN AMPERES
NOTE - see important information under “User Guide”on P.08
Corporate Office
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: belfuse@belfuse.com
Website: www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K
Tel: 44-1772-556601
Fax: 44-1772-888366
Specifications subject to change without notice
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