Type MRT
MRTD0104
Time Lag Radial Lead Micro Fuse Series
Catalog
Number
Ampere
Rating
Typical
Volt-drop Melting I
2
T Melting I
2
T Maximum
Cold
@100%
In
< 10 mSec
@10
In
Power
Resistance
Dissipation
(ohm)
(Volt) max. (A
2
Sec)
(A
2
Sec)
(W)
MRT 80
MRT 100
MRT 125
MRT 160
MRT 200
MRT 250
MRT 315
80mA to 6.3A
inclusive
1
hr.
2
min.
400
ms
10
sec
150
ms
3
sec
20
ms
150
ms
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
3.3
2.2
1.5
1.0
0.7
0.5
0.38
0.28
0.21
0.16
0.12
0.09
0.06
0.047
0.035
0.026
0.019
0.014
0.010
0.008
0.40
0.35
0.30
0.28
0.25
0.22
0.19
0.16
0.15
0.13
0.12
0.11
0.10
0.095
0.090
0.087
0.083
0.080
0.077
0.073
0.01
0.02
0.04
0.07
0.12
0.38
0.60
0.95
1.50
2.4
3.7
5.9
9
15
23
37
58
92
145
230
0.01
0.02
0.04
0.06
0.11
0.41
0.66
1.05
1.66
2.6
4.2
6.7
11
17
27
43
69
110
175
281
0.10
0.11
0.13
0.15
0.17
0.19
0.22
0.25
0.29
0.33
0.38
0.44
0.51
0.58
0.67
0.77
0.88
1.02
1.17
1.34
Electrical Characteristics
(IEC-127-3 STANDARD SHEET 4)
Rated
Current
1.5
In
2.1
In
MIN
MAX
2.75
In
MIN
MAX
4
In
MIN
MAX
10
In
MIN
MAX
MRT 400
MRT 500
MRT 630
MRT 800
MRT 1
MRT 1.25
MRT 1.6
MRT 2
MRT 2.5
MRT 3.15
MRT 4
MRT 5
MRT 6.3
Approvals
sdrSpc
c
Amp range / Volt @ I.R. ability
80mA to 5A / 250V AC@ 35A or
10
In
whichever is greater
80mA to 6.3A / 250V AC@ 35A or
10
In
whichever is greater
80mA to 6.3A / 277V AC@ 100A
80mA to 6.3A / 250V AC@ 50A
1A to 5A / 250V AC@ 100A
80mA to 6.3A / 250V AC@ 35A or
10
In
whichever is greater
Safety Agency Approvals
s
d
Certificate No. 9434106, 9445096,
9524234, 9528130, 9921061
License No. 139937, 40001000
r
Recognized File No. E20624
S
Acceptance File No. LR39772
p
File No. JET1037-31007-1001
c
Licence No. 2002010207021532
Consult manufacturer for other ratings
Environmental Specification
Soldering Heat Resistance
260ºC, 10 sec. per IEC 68-2-20
Vibration Resistance
10-55 Hz x 3 axis/ no load (MIL-STD-202, Method 201)
Shock Resistance
MIL-STD-202, Method 213, Condition I (Sawtooth)
Moisture Resistance
MIL-STD-202F, Method 106
Salt Spray
MIL-STD-202, Method 101, Condition B (48Hrs)
Operating Temperature
-55ºC to +125ºC
Marking
On fuse:
“bel”, “T”, “Current Rating”, “250V”, and “Appropriate Safety Logos”
On label:
Above info plus “MRT”, “rSc
c
” and Interrupting Rating Packaging
Packaging
1. In bulk: 1,000 pcs per box (Short Leads)
2. On tape: Ammo pack, 1,000 pcs per box, per IEC-286-2 (Long Leads)
Mechanical Dimensions
BULK / SHORT LEADS
AMMO PACK / LONG LEADS
12.7mm
±
0.3mm
MRT
ø8.35±0.10
7.7
±
0.1
4.3
±
0.3
0.5 min
ø0.6mm
±
0.1
Physical Specification
Materials
Base and Cap: Black thermoplastic, UL 94-V0
Pins: Tin plated copper alloy
9 mm +2
-0
5.08
±
0.1
(0.200
±
0.004")
6.3mm
±
1.3 mm
Dimension in mm
ORDERING INFORMATION SEE PAGES 67 & 68
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
BEL [ BEL FUSE INC. ]
