Description
• Dual element, time delay
• 1/4" x 1-1/4" (6.3mm x 32mm) physical size
• Glass tube, nickel-plated brass endcap construction
• Mounts in Buss HTB panel-mounted HB Series
PC board fuseholders, Series 8000 fuseblocks
and 1/4" clips
• UL Listed product meets standard 248-14
Approvals
•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 product code, option code and packaging code
Dimensions mm⁄(inches)
** DC Cold Resistance (Measured at <10% of rated current)
1/4" x 1-1/4" Fuses MDQ Series
Dual Element,Time Delay, Glass Fuse
ELECTRICAL CHARACTERISTICS
Rated Current % of Amp Rating Opening Time
100% None
1/16A - 30A 135% 60 minutes maximum
200% 120 seconds maximum
SPECIFICATIONS
Voltage Interrupting Typical DC Cold Typical Typical
Product Code Rating Rating Resistance Melt I2tVoltage
AC DC AC (ohms)** AC DC Drop (V)
MDQ-1/16 250V - 35A 83.30000 - - -
MDQ-1/10 250V - 35A 35.00000 - - -
MDQ-1/8 250V - 35A 21.50000 - - -
MDQ-3/16 250V - 35A 10.00000 - - -
MDQ-2/10 250V - 35A 8.65000 - - -
MDQ-1/4 250V - 35A 5.77500 - - -
MDQ-3/10 250V - 35A 4.20000 - - -
MDQ-3/8 250V - 35A 2.35000 - - -
MDQ-1/2 250V - 35A 1.40000 - - -
MDQ-3/4 250V - 35A 0.39685 - - -
MDQ-1 250V - 35A 0.37400 - - -
MDQ-1-1/4 250V - 100A 0.36000 - - -
MDQ-1-1/2 250V - 100A 0.27000 - - -
MDQ-2 250V - 100A 0.13250 - - -
MDQ-2-1/4 250V - 100A 0.11450 - - -
MDQ-2-1/2 250V - 100A 0.10050 - - -
MDQ-3 250V - 100A 0.05715 - - -
MDQ-4 250V - 200A 0.03510 - - -
MDQ-5 250V - 200A 0.02650 - - -
MDQ-6 250V - 200A 0.01715 - - -
MDQ-6-1/4 250V - 200A 0.01690 - - -
MDQ-7 250V - 200A 0.01375 - - -
MDQ-8 32V - 1,000A 0.01200 - - -
MDQ-9 32V - 1,000A 0.00888 - - -
MDQ-10 32V - 1,000A 0.00720 - - -
MDQ-15 32V - 1,000A 0.00410 - - -
MDQ-20 32V - 1,000A 0.00150 - - -
MDQ-25 32V - 1,000A 0.00123 - - -
MDQ-30 32V - 1,000A 0.00105 - - -
PACKAGING CODE
Packaging Code Description
BK 100 pieces of fuses packed into a cardboard car ton with flaps folded
BK1 1,000 pieces of fuses packed into a cardboard car ton with flaps folded
CURRENT IN AMPERES
CURRENT IN AMPERES
TIME IN SECONDS
TIME IN SECONDS
CURRENT IN AMPERES
CURRENT IN AMPERES
20
25
30
1/10
2/10
3/10
1/2
1
1-1/4 1-1/2
1-6/10
2
3-2/10
5
6-1/4
10
15
TIME CURRENT CURVE
1/4" x 1-1/4" Fuses MDQ Series
Dual Element,Time Delay, Glass Fuse
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper
Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of
any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this
bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
OC-2594 7/01
© Cooper Electronic
Technologies 2001
OPTION CODE
Option Code Description
BBoard Washable - Hermetically sealed to withstand aqueous cleaning
VAxial leads - brass overcaps with copper and nickel flash, plated in tin lead
