OC-88
Traditional Ferrule Fuses - Ferrule Type
Description
Time delay, glass tube
• Optional axial leads available
• 1/4 x 1-1/4 (6.3mm x 32mm) physical size
• Glass tube, nickel-plated brass endcap construction
• UL Listed product meets standard 248-14
Agency Information
UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180)
UL Recognized Card: MDL 9 - 30A (Guide JDYX2,
File E19180)
CSA Certification Card: MDL 1/16 - 8A
(Class No. 1422-01)
CSA Component Acceptance: MDL 9-30A
(Class No. 1422-30)
Environmental Data
Shock: 1/100A and 8/10A – MIL-STD-202,
Method 213, Test Condition I; 1A thru 30A –
MIL-STD-202, Method 207, (HI Shock)
Vibration: 1/100A and 8/10A – MIL-STD-202,
Method 201; 1/4A thru 30A – MIL-STD-202,
Method 204, Test Condition C (Except 5g, 500HZ)
Ordering
Specify packaging, product, and option code
Dimensions (mmin)
Drawing Not to Scale
SPECIFICATIONS
Voltage AC Interrupting Typical DC Cold Typical Typical
Product Code Rating Rating* Resistance** Melting I2t† Voltage
AC 250V 125V 32V (ohms) AC Drop‡
MDL-1/16 250V 35A 10000A - 38.000 0.0046 2.79
MDL-1/10 250V 35A 10000A - 15.900 0.0420 1.95
MDL-1/8 250V 35A 10000A - 9.850 0.0422 1.52
MDL-3/16 250V 35A 10000A - 4.680 0.116 1.05
MDL-2/10 250V 35A 10000A - 4.115 0.314 0.972
MDL-1/4 250V 35A 10000A - 3.200 0.447 0.965
MDL-3/10 250V 35A 10000A - 2.300 0.412 0.808
MDL-3/8 250V 35A 10000A - 2.800 0.982 1.46
MDL-1/2 250V 35A 10000A - 1.725 1.656 1.27
MDL-3/4 250V 35A 10000A - 0.822 4.343 1.01
MDL-1 250V 35A 10000A - 0.525 11.498 0.995
MDL-1-1/4 250V 100A 10000A - 0.320 86.2 0.722
MDL-1-1/2 250V 100A 10000A - 0.250 22.7 0.721
MDL-2 250V 100A 10000A - 0.173 62.3 0.644
MDL-2-1/4 250V 100A 10000A - 0.068 49.6 0.535
MDL-2-1/2 250V 100A 10000A - 0.096 63.1 0.410
MDL-3 250V 100A 10000A - 0.067 67.5 0.345
MDL-4 250V 200A 10000A - 0.035 19.3 0.187
MDL-5 250V 200A 10000A - 0.023 32.0 0.160
MDL-6 250V 200A 10000A - 0.018 37.4 0.155
MDL-6-1/4 250V 200A 10000A - 0.018 38.7 0.152
MDL-7 250V 200A 10000A - 0.018 42.7 0.140
MDL-8 250V 200A 10000A - 0.011 47.8 0.119
MDL-9 32V - - 1000A 0.009 51.5 0.124
MDL-10 32V - - 1000A 0.008 64.4 0.114
MDL-15 32V - - 1000A 0.006 354.0 0.130
MDL-20 32V - - 1000A 0.002 2914.0 0.530
MDL-25 32V - - 1000A 0.001 15221.0 0.30
MDL-30 32V - - 1000A 0.001 15581.0 0.40
* Interrupting Ratings (Interrupting ratings were measured at 70% - 80% power factor on AC)
** DC Cold Resistance (Measured at 10% of rated current)
Typical Melting I2t (A2Sec) (I2t was measured at listed interrupting rating and rated voltage.)
Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)
ELECTRICAL CHARACTERISTICS
Rated Current Amp Rating Opening Time
100% None
1/16 - 30A 135% 60 minutes max.
200% 120 seconds max.
1/16 - 3A 200% 5 seconds min.
3-2/10 - 8A 200% 12 seconds min.
1/4" x 1-1/4" Fuses
MDL Series, Time Delay, Glass Tube
RoHS
2002/95/EC
OC-89
Traditional Ferrule Fuses - Ferrule Type
90
80
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30
20
10
200
100
5
.01
1
.02
.03
3
2
4
.04
.06
.05
.09
.08
.07
.1
.2
.3
.5
.4
.7
.6
.9
.8
1
2
8
6
7
9
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300
.01
.02
.03
.04
.06
.05
.09
.08
.07
.1
.2
.3
.5
.4
.7
.6
.9
.8
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9
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5
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8
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9
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10000
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9000
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10000
TIME IN SECONDS
TIME IN SECONDS
CURRENT IN AMPERES
CURRENT IN AMPERES
1-1/4
3-2/10
1-1/2
1-6/10
2
5
6-1/4
10
15
20
25
30
40
TIME CURRENT CURVE
PACKAGING CODE
Packaging Code Description
BK 100 pieces of fuses packed into a cardboard carton
BK1 1,000 pieces of fuses packed into a cardboard carton
BK8 8,000 pieces of fuses packed into a cardboard carton
OPTION CODE
Option Code Description
BBoard Washable - Hermetically sealed to withstand aqueous cleaning
VAxial leads - copper tinned wire with nickel plated brass overcaps
-R RoHS compliant version
1/4" x 1-1/4" Fuses
MDL Series, Time Delay, Glass Tube
Visit us on the web at:
www.cooperbussmann.com
Cooper Electronic Technologies
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: 1-636-394-2877
Fax: 1-800-544-2570
Cooper Electronic Technologies
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: +44 (0) 1509 882 737
Fax: +44 (0) 1509 882 786
Cooper Electronic Technologies
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: +34 937 362 812
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
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#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
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