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Type MRT
MRTD0104
Time Lag Radial Lead Micro Fuse Series
Catalog Number Ampere Rating Typical Volt-drop Melting I2T Melting I2T Maximum Cold @100% In < 10 mSec @10 In Power Resistance Dissipation 2 Sec) 2 Sec) (ohm) (Volt) max. (A (A (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
sdrSpcc
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 260C, 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 -55C to +125C
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
o8.350.10 7.7 0.1 4.3 0.3 0.5 min o0.6mm 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
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Specifications subject to change without notice
Type MRT
Time Lag Radial Lead Micro Fuse Series
MRTC0801
MRT - TIME CURRENT CHARACTERISTIC CURVE
- 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
1000
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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