Type MRT
Time Lag Radial Lead Micro Fuse Series
RoHS 6 Compliant
MRT May2012D
Pb
Sub-miniature,time lag type, 250V rated fuses designed,
approved and complied with IEC 60127-3, standard
sheet 4.
Description
MRT Series
Electrical Characteristics (IEC-127-3 STANDARD SHEET 4) Features
- Time lag (250VAC)
-
Meet IEC standard 60127
-
3,Sheet 4
Safety Agency Approvals
Applications
-
Meet IEC standard 60127
-
3,Sheet 4
- Wide operating temperature range
- Bulk and Tape & Reel packing available
- RoHS6 compliant
- Halogen Free
- Leadfree
Provide individual protection for components or internal
circuits.
Pb
In clause 9.2,the test voltage for MRT ratings from 80mA to
6.3A is 64VDC.
SAFETY
AGENCY
SAFETY AGENCY
CERTIFICATE NUMBER
AMPERE RANGE / VOLT
@ I.R.ABILITY
139937;40001000
80mA - 6.3A / 250V AC @ 35A or
10 In whichever is greater
910555;917227;910556
LR39772
80mA - 6.3A / 250V AC @50A
circuits.
- Power Supplies
- Battery chargers
- Consumer Electronics
- Adapter
- Industrial Controllers
LEAD FREE =
Pb
HALOGEN FREE = HF
E20624
1A - 5A / 250V AC @100A
80mA - 6.3A / 250V AC @ 35A or
10 In whichever is greater
80mA - 6.3A / 277V AC @100A
80mA - 6.3A / 277V AC @100A
2002010207021532
JET 1037-31007-1001
Specifications Subject to change without notice.
Website: www.belfuse.com
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
‧
Tel: 201-432-0463
‧
Fax: 201-432-9542
‧
E-Mail: belfuse@belf.com
Type MRT
Time Lag Radial Lead Micro Fuse Series
RoHS 6 Compliant
Electrical Specifications
MRT May2012D
Pb
80mA 3.5 0.398 250 Y Y Y Y Y Y
100mA 2.3 0.329 250 Y Y Y Y Y Y
125mA
1.6
0.295
250
Y
Y
Y
Y
Y
Y
0.10
0.11
0.13
0.01
0.02
0.04
0.02
0.04
MRT 80
Agency Approvals
MRT 100
MRT 125
0.01
Voltage
Rating
(V)
Typical
Cold
Resistance
(ohm)
Ampere
Rating
Catalog
Number
Maximum
Power
Dissipation
(W)
Melting I2T
@ 10 In
(A2 Sec)
Melting I2T
<10 m Sec
(A2 Sec)
Interrupting
Rating
Volt-drop
@100%
In
(Volt)
Max.
Electrical Specifications
125mA
1.6
0.295
250
Y
Y
Y
Y
Y
Y
160mA 1.1 0.252 250 Y Y Y Y Y Y
200mA 0.73 0.200 250 Y Y Y Y Y Y
250mA 0.55 0.188 250 Y Y Y Y Y Y
315mA 0.36 0.152 250 Y Y Y Y Y Y
400mA 0.25 0.129 250 Y Y Y Y Y Y
500mA 0.18 0.114 250 Y Y Y Y Y Y
80mA - 6.3A
/ 250V AC
0.22
0.25
0.29
0.13
0.15
0.17
0.66
1.0
1.7
0.04
0.06
0.6
0.38 0.41
1.5
0.12 0.11
MRT 500
0.04
0.07
MRT 315
MRT 400 0.9
MRT 125
MRT 160
MRT 200
MRT 250 0.19
630mA 0.13 0.109 250 Y Y Y Y Y Y
800mA 0.095 0.103 250 Y Y Y Y Y Y
1A 0.070 0.090 250 Y Y Y Y Y Y Y
1.25A 0.053 0.087 250 Y Y Y Y Y Y Y
1.6A 0.038 0.085 250 Y Y Y Y Y Y Y
2A 0.029 0.084 250 Y Y Y Y Y Y Y
2.5A
0.022
0.084
250
Y
Y
Y
Y
Y
Y
Y
/ 250V AC
@ 35A
or
10 In
whichever is
greater
MRT 2.5
37
43
0.77
0.67
0.33
0.38
0.44
27
0.51
0.58
11
2.4 2.6
4.2
17
9
3.7
6
MRT 1.25
MRT 1.6
MRT 2
7
15
23
MRT 630
MRT 800
MRT 1
2.5A
0.022
0.084
250
Y
Y
Y
Y
Y
Y
Y
3.15A 0.017 0.074 250 Y Y Y Y Y Y Y
4A 0.013 0.073 250 Y Y Y Y Y Y Y
5A 0.010 0.073 250 Y Y Y Y Y Y Y
6.3A 0.008 0.072 250 Y Y Y Y Y Y
MRT 6.3 230 281 1.34
MRT 4 92 110 1.02
MRT 5 145 175 1.17
MRT 2.5
37
43
0.77
MRT 3.15 58 69 0.88
Consult manufacturer for other ratings
CORPORATE OFFICE FAR EAST OFFICE EUROPE OFFICE EUROPE
Bel Fuse Inc. Bel Fuse Ltd. Bel Fuse Europe Ltd. Bel Stewart GmbH
206 Van Vorst Street 8/F Luk Hop Industrial Building Preston Technology Management Centre Industriestrasse 20
Jersey City, NJ 07302 8 Luk Hop Street Marsh Lane, Suite F15 61381 Friedrichsdorf
Tel 201-432-0463 San Po Kong Preston, Lancashire, PR1 8UQ Germany
Fax 201-432-9542 Kowloon, Hong Kong United Kingdom Tel 49-6172-9552-0
E-Mail: belfuse@belf.com
Tel 852-2328-5515
Tel 44-1772-556601
Fax 49-6172-9552-40
E-Mail: belfuse@belf.com
Tel 852-2328-5515
Tel 44-1772-556601
Fax 49-6172-9552-40
Website: www. belfuse.com Fax 852-2352-3706 Fax 44-1772-561008
Pb
Type MRT
Time Lag Radial Lead Fuse Series
RoHS 6 Compliant
Time Lag Radial Lead Fuse Series
MRT May2012C
Pb
Temperature Derating Curve Average Time Current Curve
120
130
140
50
60
70
80
90
100
110
Percent of Rated Current
50
-75 -65 -55 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125 135 145
Ambient Temperature [oC]
Soldering Parameters
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
‧
Tel: 201-432-0463
‧
Fax: 201-432-9542
‧
E-Mail: belfuse@belf.com
Website: www.belfuse.com
Type MRT
Time Lag Radial Lead Micro Fuse Series
RoHS 6 Compliant
Pb
MRT May2012D
Physical Specifications
MRT May2012D
Environmental Specifications
Environmental Specifications
Mechanical Dimensions Ordering Information
Packaging Option
Packaging Specification
Quantity
Packaging Code
Packaging
Specifications subject to change without notice.
CORPORATE OFFICE FAR EAST OFFICE EUROPE OFFICE EUROPE
Bel Fuse Inc. Bel Fuse Ltd. Bel Fuse Europe Ltd. Bel Stewart GmbH
206 Van Vorst Street 8/F Luk Hop Industrial Building Preston Technology Management Centre Industriestrasse 20
Jersey City, NJ 07302 8 Luk Hop Street Marsh Lane, Suite F15 61381 Friedrichsdorf
Tel 201-432-0463
San Po Kong
Preston, Lancashire, PR1 8UQ
Germany
Packaging Option
Packaging Specification
Quantity
Packaging Code
Bulk / bag, 1K / box N/A 100 01
12.7 mm pitch, On Tape / box EIA-468-C 1000 02
Tel 201-432-0463
San Po Kong
Preston, Lancashire, PR1 8UQ
Germany
Fax 201-432-9542 Kowloon, Hong Kong United Kingdom Tel 49-6172-9552-0
E-Mail: belfuse@belf.com Tel 852-2328-5515 Tel 44-1772-556601 Fax 49-6172-9552-40
Website: www. belfuse.com Fax 852-2352-3706 Fax 44-1772-561008
