Type MRT
Time Lag Radial Lead Micro Fuse Series
MRTD0104
Catalog
Number
Ampere
Rating
Typical
Cold
Volt-drop Melting I2T Melting I2T Maximum
@100% In < 10 mSec
@10 In
Power
Dissipation
(W)
Resistance
(ohm)
(Volt) max. (A2 Sec)
(A2 Sec)
0.01
0.02
0.04
0.06
0.11
0.41
0.66
1.05
1.66
2.6
MRT 80
MRT 100
MRT 125
MRT 160
MRT 200
MRT 250
MRT 315
MRT 400
MRT 500
MRT 630
MRT 800
MRT 1
80mA
100mA
125mA
160mA
200mA
250mA
315mA
400mA
500mA
630mA
800mA
1A
3.3
0.40
0.35
0.01
0.02
0.04
0.07
0.12
0.38
0.60
0.95
1.50
2.4
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
2.2
1.5
0.30
Electrical Characteristics (IEC-127-3 STANDARD SHEET 4)
1.0
0.28
0.7
0.25
1.5 In 2.1 In 2.75 In
4 In
10 In
Rated
0.5
0.22
Current
MIN
MAX MIN MAX MIN MAX MIN MAX
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
0.19
1
2
400 10 150
3
20 150
80mA to 6.3A
inclusive
0.16
hr. min. ms sec ms sec ms ms
0.15
0.13
0.12
3.7
4.2
sdrSpcc
Approvals
0.11
5.9
6.7
Safety Agency Approvals
Amp range / Volt @ I.R. ability
MRT 1.25
MRT 1.6
MRT 2
1.25A
1.6A
0.10
9
11
80mA to 5A / 250V AC@ 35A or
10 In whichever is greater
Certificate No. 9434106, 9445096,
0.095
0.090
0.087
0.083
0.080
0.077
0.073
15
17
s
d
9524234, 9528130, 9921061
License No. 139937, 40001000
2A
23
37
27
80mA to 6.3A / 250V AC@ 35A or
10 In whichever is greater
MRT 2.5
MRT 3.15
MRT 4
2.5A
43
r Recognized File No. E20624
3.15A
4A
58
69
80mA to 6.3A / 277V AC@ 100A
80mA to 6.3A / 250V AC@ 50A
1A to 5A / 250V AC@ 100A
92
110
175
281
S
Acceptance File No. LR39772
MRT 5
5A
145
230
File No. JET1037-31007-1001
p
MRT 6.3
6.3A
80mA to 6.3A / 250V AC@ 35A or
c
Licence No. 2002010207021532
Consult manufacturer for other ratings
10 In whichever is greater
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)
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)
Mechanical Dimensions
Moisture Resistance
MIL-STD-202F, Method 106
Salt Spray
MIL-STD-202, Method 101, Condition B (48Hrs)
BULK / SHORT LEADS
AMMO PACK / LONG LEADS
OperatingTemperature
-55ºC to +125ºC
±
12.7mm 0.3mm
MRT
±
ø
8.35 0.10
+2
9 mm
-
0
±
7.7 0.1
±
ø0.6mm 0.1
Physical Specification
0.5 min
Materials
±
4.3 0.3
Base and Cap: Black thermoplastic, UL 94-V0
Pins: Tin plated copper alloy
±
5.08 0.1
(0.200 0.004")
±
±
6.3mm 1.3 mm
Dimension in mm
S
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
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