BK/MDQ-5

## **1 1 ⁄4" x 1 ⁄4" Fuses** 

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

## **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 

|• Dual-element, time-delay<br>•[1]⁄4" x 14" x 1" x 1[1]⁄4" (6.3 x 32mm) physical size4" (6.3 x 32mm) physical size" (6.3 x 32mm) physical size<br>• Glass tube, nickel-plated brass endcap construction<br>• UL Listed product meets standard 248-14<br>• Available with axial leads|• Dual-element, time-delay<br>•[1]⁄4" x 14" x 1" x 1[1]⁄4" (6.3 x 32mm) physical size4" (6.3 x 32mm) physical size" (6.3 x 32mm) physical size<br>• Glass tube, nickel-plated brass endcap construction<br>• UL Listed product meets standard 248-14<br>• Available with axial leads|• Dual-element, time-delay<br>•[1]⁄4" x 14" x 1" x 1[1]⁄4" (6.3 x 32mm) physical size4" (6.3 x 32mm) physical size" (6.3 x 32mm) physical size<br>• Glass tube, nickel-plated brass endcap construction<br>• UL Listed product meets standard 248-14<br>• Available with axial leads|
|---|---|---|
|Electrical Characteristics|||
|Rated Current|% of Amp Rating|Opening Time|
|1⁄16- 30A|% of Amp Rating<br>100%|Opening Time<br>None|
||135%|60 minutes maximum|
||200%|120 seconds maximum|



Dimensions - mm (in) 

## **Agency Information** 

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

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

**==> picture [73 x 9] intentionally omitted <==**

**----- Start of picture text -----**<br>
with axial leads<br>**----- End of picture text -----**<br>


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

## **Ordering** 

- Specify packaging, product, and option code 

- (i.e., Bk-MDQ-BV-1) 

## **Specifications** 

|Product Code|Voltage<br>Rating<br>Vac|Interrupting<br>Rating<br>Amps|Typical DC Cold<br>Resistance<br>(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|



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

0308    BU-SB07472 

Data Sheet 2044 

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## Time-Current Curve 

**==> picture [73 x 6] intentionally omitted <==**

**----- Start of picture text -----**<br>
CURRENT  IN  AMPERES<br>**----- End of picture text -----**<br>


**==> picture [522 x 387] intentionally omitted <==**

**----- Start of picture text -----**<br>
CURRENT  IN  AMPERES<br>Packaging<br>1 20 25<br>1-1/2 1-6/10 2<br>1/10 2/10 3/10 1/2 1-1/4 3-2/10 5 6-1/4 10<br>TIME  IN  SECONDS<br>TIME  IN  SECONDS<br>15 30<br>**----- End of picture text -----**<br>


|Packaging|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|
|||
|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|
|||
|North America<br>Cooper Electronic Technologies<br>1225 Broken Sound Parkway NW<br>Suite F<br>Boca Raton, FL 33487-3533<br>Tel: 1-561-998-4100<br>Fax: 1-561-241-6640<br>Toll Free: 1-888-414-2645<br>Cooper Bussmann<br>P.O. Box 14460<br>St. Louis, MO 63178-4460<br>Tel: 1-636-394-2877<br>Fax: 1-636-527-1607<br>Europe<br>Cooper Electronic Technologies<br>Cooper (UK) Limited<br>Burton-on-the-Wolds<br>Leicestershire • LE12 5TH UK<br>Tel: +44 (0) 1509 882 737<br>Fax: +44 (0) 1509 882 786<br>Cooper Electronic Technologies<br>Avda. Santa Eulalia, 290<br>08223<br>Terrassa, (Barcelona), Spain<br>Tel: +34 937 362 812<br>+34 937 362 813<br>Fax: +34 937 362 719<br>Asia Pacific<br>Cooper Electronic Technologies<br>1 Jalan Kilang Timor<br>#06-01 Pacific Tech Centre<br>Singapore 159303<br>Tel: +65 278 6151<br>Fax: +65 270 4160||



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. 

0308    BU-SB07472 

Data Sheet 2044 

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