MDQ-3/8

Effective June 2017 Supersedes March 2008 

# Technical Data **2044** 

## MDQ Dual-element time-delay glass fuses 

## **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** 

## **Product features** 

- 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 

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

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



|**Specifications**<br>Voltage<br>Interrupting<br>Typical DC Cold<br>Product Code<br>Rating<br>Rating<br>Resistance<br>Vac<br>Amps<br>(Ω)**<br>~~Rs~~|**Specifications**<br>Voltage<br>Interrupting<br>Typical DC Cold<br>Product Code<br>Rating<br>Rating<br>Resistance<br>Vac<br>Amps<br>(Ω)**<br>~~Rs~~|**Specifications**<br>Voltage<br>Interrupting<br>Typical DC Cold<br>Product Code<br>Rating<br>Rating<br>Resistance<br>Vac<br>Amps<br>(Ω)**<br>~~Rs~~|**Specifications**<br>Voltage<br>Interrupting<br>Typical DC Cold<br>Product Code<br>Rating<br>Rating<br>Resistance<br>Vac<br>Amps<br>(Ω)**<br>~~Rs~~|
|---|---|---|---|
|MDQ-1/16<br>~~Rs~~|250|35|83.30000|
|MDQ-1/10<br>~~Rs~~<br>~~a~~<br>~~es~~|250|35|35.00000|
|MDQ-1/8<br>~~a~~<br>~~es~~<br>~~es~~|250|35|21.50000|
|MDQ-3/16<br>~~es~~<br>~~es~~<br>~~**R**R~~|250|35|10.00000|
|MDQ-2/10<br>~~es~~<br>~~**R**R~~|250|35|8.65000|
|MDQ-1/4<br>~~**R**R~~|250|35<br>~~e~~|5.77500<br>~~e~~|
|MDQ-3/10<br>~~a~~<br>~~es~~|250|35|4.20000|
|MDQ-3/8<br>~~a~~<br>~~es~~<br>~~es~~|250|35|2.35000|
|MDQ-1/2<br>~~es~~<br>~~es~~<br>~~**R**R~~|250|35|1.40000|
|MDQ-3/4<br>~~es~~<br>~~**R**R~~|250|35|0.39685|
|MDQ-1<br>~~**R**R~~<br>~~Re~~|250|35<br>~~e~~|0.37400<br>~~e~~|
|MDQ-1-1/4<br>~~Re~~<br>~~es~~|250|100|0.36000|
|MDQ-1-1/2<br>~~Re~~<br>~~es~~|250|100|0.27000|
|MDQ-2<br>~~es~~<br>~~a~~<br>~~**e**s~~|250|100|0.13250|
|MDQ-2-1/4<br>~~**e**s~~|250|100|0.11450|
|MDQ-2-1/2<br>~~**e**s~~<br>~~Re~~|250<br>~~Ge~~|100<br>~~e~~|0.10050<br>~~e~~|
|MDQ-3<br>~~Re~~|250<br>~~Ge~~|100|0.05715|
|MDQ-4<br>~~Re~~<br>~~se~~<br>~~a~~|250<br>~~Ge~~<br>~~se~~|200<br>~~se~~|0.03510<br>~~se~~|
|MDQ-5<br>~~a~~<br>~~es~~|250|200|0.02650|
|MDQ-6<br>~~a~~<br>~~es~~|250|200|0.01715|
|MDQ-6-1/4<br>~~es~~<br>~~i~~<br>~~Re~~|250<br>~~Ge~~|200|0.01690|
|MDQ-7<br>~~Re~~|250<br>~~Ge~~|200|0.01375|
|MDQ-8<br>~~Re~~<br>~~se~~<br>~~a~~|32<br>~~Ge~~<br>~~se~~|1,000<br>~~se~~|0.01200<br>~~se~~|
|MDQ-9<br>~~a~~<br>~~es~~|32|1,000|0.00888|
|MDQ-10<br>~~a~~<br>~~es~~<br>~~RR~~|32|1,000|0.00720|
|MDQ-15<br>~~es~~<br>~~RR~~|32|1,000|0.00410|



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

MDQ Dual-element time-delay glass fuses 

Technical Data 2044 Effective June 2017 

## Dimensions - mm (in) 

## **Time-Current Curve** 

**==> picture [477 x 341] intentionally omitted <==**

**----- Start of picture text -----**<br>
CURR E NT IN  AMPE RE  SS<br>with axial leads<br>CUR RE NT  IN  A MPE RE S<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 Code Prefx|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 Sufx|Description|
|B|Board Washable-Hermetically sealed to withstand aqueous cleaning|
|V|Axial leads - copper tinned wire with nickel plated brass overcaps|



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© 2017 Eaton All Rights Reserved Printed in USA Publication No. 2044 BU-SB07472 June 2017 

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