Bussmann MDQ Series Data Sheet

Description

• Dual-element, time-delay

• 1⁄4" x 1 1⁄4" (6.3 x 32mm) physical size

• Glass tube, nickel-plated brass endcap construction

• UL Listed product meets standard 248-14

• Available with axial leads

Agency Information

• UL Listed Card: MDQ-1⁄16 - 7A (Guide JDYX,
File E19180)

• UL Recognition Card: MDQ-7.5 - 15A
(Guide JDYX2, File E19180)

• CSA Component Acceptance Card:
MDQ-1⁄16 - 15 (Class 1422-01)

Ordering

• Specify packaging, product, and option code
(i.e., Bk-MDQ-BV-1)

** DC Cold Resistance (Measured at <10% of rated current)

Electrical Characteristics

Rated Current % of Amp Rating Opening Time

100% None

1

⁄16 - 30A 135% 60 minutes maximum

200% 120 seconds maximum

Specifications

Voltage Interrupting Typical DC Cold

Product Code Rating Rating Resistance

Vac Amps (Ω)**
MDQ-1/16 250 35 83.30000
MDQ-1/10 250 35 35.00000
MDQ-1/8 250 35 21.50000
MDQ-3/16 250 35 10.00000
MDQ-2/10 250 35 8.65000
MDQ-1/4 250 35 5.77500
MDQ-3/10 250 35 4.20000
MDQ-3/8 250 35 2.35000
MDQ-1/2 250 35 1.40000
MDQ-3/4 250 35 0.39685
MDQ-1 250 35 0.37400
MDQ-1-1/4 250 100 0.36000
MDQ-1-1/2 250 100 0.27000
MDQ-2 250 100 0.13250
MDQ-2-1/4 250 100 0.11450
MDQ-2-1/2 250 100 0.10050
MDQ-3 250 100 0.05715
MDQ-4 250 200 0.03510
MDQ-5 250 200 0.02650
MDQ-6 250 200 0.01715
MDQ-6-1/4 250 200 0.01690
MDQ-7 250 200 0.01375
MDQ-8 32 1,000 0.01200
MDQ-9 32 1,000 0.00888
MDQ-10 32 1,000 0.00720
MDQ-15 32 1,000 0.00410

1

⁄4" x 1 1⁄4" Fuses

MDQ Series Dual-Element, Time-Delay, Glass Fuse

with axial leads

Dimensions - mm (in)

0308 BU-SB07472 Page 1 of 2 Data Sheet 2044

Packaging

Packaging Code Prefix Description

BK 100 pieces of fuses packed into a cardboard carton

BK1 1000 pieces of fuses packed into a cardboard carton

Time-Current Curve

Option Code

Option Code Suffix Description

B Board Washable - Hermetically sealed to withstand aqueous cleaning
V Axial leads - copper tinned wire with nickel plated brass overcaps

© 2008 Cooper Bussmann

St. Louis, MO 63178
www.cooperbussmann.com

0308 BU-SB07472 Page 2 of 2 Data Sheet 2044

The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled.This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann 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.

Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support
systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in
significant injury to the user.

North America

Cooper Electronic Technologies
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: [phone]
Fax: [phone]
Toll Free: 1-888-414-2645

Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: [phone]
Fax: [phone]

Europe

Cooper Electronic Technologies
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: [phone]
Fax: [phone]

Cooper Electronic Technologies
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: [phone]

[phone]

Fax: [phone]

Asia Pacific

Cooper Electronic Technologies
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: [phone]
Fax: [phone]

CURRE NT IN AMP ERE

CURRE NT IN AMP ERE

2

1-6/10

1-1/2

S

S

1/10

2/10

TIME IN SECONDS

3/10

1/2

/10

1-1/4

3-2

5

6-1/4

1

5

15

10

30

20

2

TIME IN SECONDS

CURREN T IN AMP ERE S

CURREN T IN AMP ERE S