# CARTRIDGE FUSE, TIME DELAY, 3A, 250V

![Product image](https://novapart.co/image/farnell:2799813/)

**URL**: https://novapart.co/products/BK/MDQ-3/cartridge-fuse-time-delay-3a-250v
**SKU**: BK/MDQ-3
**Manufacturer**: EATON BUSSMANN
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Cartridge Fuses
**Price**: €4.3200
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Fuse Current | 3A |
| Product Range | MDQ Series |
| Fuse Size Metric | 6.3mm x 32mm |
| Fuse Size Imperial | 1/4" x 1-1/4" |
| Voltage Rating Vac | 250V |
| Blow Characteristic | Time Delay |
| Breaking Capacity Current Ac | 100A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2799813/)

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|



Life Support Policy: Eaton 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. 

Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. 

## **Eaton** 

**Electronics Division** 1000 Eaton Boulevard Cleveland, OH 44122 United States www.eaton.com/electronics 

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

Eaton is a registered trademark. All other trademarks are property of their respective owners. 



## Links

- [View this product on Novapart](https://novapart.co/products/BK/MDQ-3/cartridge-fuse-time-delay-3a-250v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/eaton-bussmann/bk-mdq-3/cartridge-fuse-time-delay-3a-250v/dp/2799813)
---

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