1/4" x 1-1/4" Fuses
MDQ Series Dual Element, Time Delay, Glass Fuse
Description
• Dual element, time delay
• 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
ELECTRICAL CHARACTERISTICS
Rated Current % of Amp Rating
Opening Time
100%
None
1/16A - 30A
135%
60 minutes maximum
200%
120 seconds maximum
Agency Information
• UL Listed Card: MDQ-1/16 - 7A (Guide JDYX,
File E19180)
• UL Recognition Card: MDQ-7.5 - 30A
(Guide JDYX2, File E19180)
• CSA Component Acceptance Card:
MDQ-1/100 - 30 (Class 1422-01)
Ordering
• Specify packaging, product, and option code
Dimensions
mm
⁄
(inches)
SPECIFICATIONS
Product Code
MDQ-1/16
MDQ-1/10
MDQ-1/8
MDQ-3/16
MDQ-2/10
MDQ-1/4
MDQ-3/10
MDQ-3/8
MDQ-1/2
MDQ-3/4
MDQ-1
MDQ-1-1/4
MDQ-1-1/2
MDQ-2
MDQ-2-1/4
MDQ-2-1/2
MDQ-3
MDQ-4
MDQ-5
MDQ-6
MDQ-6-1/4
MDQ-7
MDQ-8
MDQ-9
MDQ-10
MDQ-15
MDQ-20
MDQ-25
MDQ-30
Voltage
Rating
AC
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
32V
32V
32V
32V
32V
32V
32V
Interrupting
Rating
AC
35A
35A
35A
35A
35A
35A
35A
35A
35A
35A
35A
100A
100A
100A
100A
100A
100A
200A
200A
200A
200A
200A
1,000A
1,000A
1,000A
1,000A
1,000A
1,000A
1,000A
Typical DC Cold
Resistance
(ohms)**
83.30000
35.00000
21.50000
10.00000
8.65000
5.77500
4.20000
2.35000
1.40000
0.39685
0.37400
0.36000
0.27000
0.13250
0.11450
0.10050
0.05715
0.03510
0.02650
0.01715
0.01690
0.01375
0.01200
0.00888
0.00720
0.00410
0.00150
0.00123
0.00105
Traditional Ferrule Fuses - Ferrule Type
** DC Cold Resistance (Measured at <10% of rated current)
OC-90
1/4" x 1-1/4" Fuses
MDQ Series Dual Element, Time Delay, Glass Fuse
TIME CURRENT CURVE
CURRENT IN AMPERES
1-1/2
1-6/10
2
3-2/10
5
6-1/4
1
1-1/4
1/10
2/10
3/10
1/2
10
15
TIME IN SECONDS
20
25
30
TIME IN SECONDS
CURRENT IN AMPERES
PACKAGING CODE
Packaging Code
BK
BK1
Description
100 pieces of fuses packed into a cardboard carton
1,000 pieces of fuses packed into a cardboard carton
OPTION CODE
Option Code
B
V
Description
Board Washable - Hermetically sealed to withstand aqueous cleaning
Axial leads - copper tinned wire with nickel plated brass overcaps
Traditional Ferrule Fuses - Ferrule Type
Visit us on the web at:
www.cooperbussmann.com
North America
Cooper Electronic Technologies Cooper Bussmann
1225 Broken Sound Parkway NW P.O. Box 14460
St. Louis, MO 63178-4460
Suite F
Tel: 1-636-394-2877
Boca Raton, FL 33487-3533
Fax: 1-800-544-2570
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Europe
Cooper Electronic Technologies Cooper Electronic Technologies
Avda. Santa Eulalia, 290
Cooper (UK) Limited
08223
Burton-on-the-Wolds
Terrassa, (Barcelona), Spain
Leicestershire • LE12 5TH UK
Tel: +34 937 362 812
Tel: +44 (0) 1509 882 737
+34 937 362 813
Fax: +44 (0) 1509 882 786
Fax: +34 937 362 719
Asia Pacific
Cooper Electronic Technologies
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
OC-91
