# FUSE, CARTRIDGE, 7A, 6.3X32MM TIME DELAY
**URL**: https://novapart.co/products/BK/MDA-7-R/fuse-cartridge-7a-63x32mm-time-delay
**SKU**: BK/MDA-7-R
**Manufacturer**: EATON ELECTRONICS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Cartridge Fuses
**Price**: β¬5.9600
**Stock**: 200+
**Lead Time**: 118 days (indicative)
## Description
Blow Characteristic:Time Delay; Fuse Current:7A; Voltage Rating VAC:250V; Fuse Size Metric:6.3mm x 32mm; Fuse Size Imperial:1/4" x 1-1/4"; Product Range:MDA S 48K9707
## Specifications
| Parameter | Value |
|---|---|
| Fuse Current | 7A |
| Product Range | MDA 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 | 200A |
## Datasheet
π [Download PDF](https://novapart.co/datasheet/farnell:1150680/)
## 1 1 /4Λ x 1 /4Λ Ceramic Tube Fuses
## MDA Series, Time-Delay
## **Description**
- Time-delay
- Optional axial leads available
- 1/4Λ x 1-1/4Λ (6.35 x 31.75mm) physical size
- Ceramic tube, nickel-plated brass endcap construction
- UL Listed product meets standard 248-14
|**Electrical Characteristics**|**Electrical Characteristics**|**Electrical Characteristics**|
|---|---|---|
|**Rated Current**|**Amp Rating**|**Opening Time**|
|1/4 - 30A|**Amp Rating**
100%|**Opening Time**
None|
||135%|60 Minutes Max.|
||200%|120 Seconds Max.|
## **Agency Information**
- UL Listed Card: MDA 2/10 - 20A (Guide JDYX, File E19180)
- UL Recognized Card: MDA 25 - 30A (Guide JDYX2, File E19180)
- CSA Certification Card: MDA 2/10 - 20 (Class No. 1422-01)
- CSA Component Acceptance: MDA 25-30A (Class No. 1422-30)
## **Environmental Data**
- Shock: 1/100A and 8/10A β MIL-STD-202, Method 213, Test Condition I;
- 1A thru 30A β MIL-STD-202, Method 213, Test Condition J
- Vibration: 1/100A and 8/10A β MIL-STD-202, Method 201; 1/4A thru 30A β MIL-STD-202, Method 204, Test Condition C (Except 5g, 500HZ)
## **Dimensions - mm (in)**
Drawing Not to Scale
**==> picture [205 x 173] intentionally omitted <==**
**----- Start of picture text -----**
38.10 32.82 38.10
Pout, (1.500) (1.292) (1.500)
=< 6.76 TD DIA. OF LEADS 5
(0.266) 0.81
0β15 AMP:
(0.032)
1.02
20β30 AMP:
(0.040)
31.75 6.35
(1.250) (0.250)
741 TY
([ C)
Ordering
β’ Specify packaging, product, and option code
**----- End of picture text -----**
|**SPECIFICATIONS**
**Part**
**Voltage**
**AC Interrupting**
**DC Interrupting**
**Typical DC Cold**
**Typical**
**Typical**
**Number**
**Rating**
**Rating* (amps)**
**Rating (amps)**
**Resistance****
**Melting I2tβ **
**Voltage**
**Vac**
**Vdc**
**250V**
**125V**
**125V**
**(**Ξ©**)**
**AC**
**Dropβ‘**
**MDA-1/4-R**
250
-
35
10000
-
9.325
0.748
4.00
**MDA-1/2-R**
250
-
35
10000
-
1.925
2.53
1.42
**MDA-3/4-R**
250
-
35
10000
-
0.8555
8.58
1.31
**MDA-1-R**
250
-
35
10000
-
0.560
12.21
1.03
**MDA-1-1/2-R**
250
-
100
10000
-
0.2585
27.5
0.691
**MDA-2-R**
250
-
100
10000
-
0.170
70.4
0.623
**MDA-2-1/2-R**
250
-
200
10000
-
0.06685
31.79
0.213
**MDA-3-R**
250
-
200
10000
-
0.05350
44.99
0.182
**MDA-4-R**
250
-
200
10000
-
0.03625
147.4
0.162
**MDA-5-R**
250
-
200
10000
-
0.02610
380.49
0.145
**MDA-6-R**
250
-
200
10000
-
0.02120
587.73
0.141
**MDA-7-R**
250
-
200
10000
-
0.01690
638.33
0.137
**MDA-8-R**
250
-
200
10000
-
0.01350
1038.4
0.134
**MDA-10-R**
250
-
200
10000
-
0.00948
1620.43
0.135
**MDA-12-R**
250
-
750
10000
-
0.00725
125.18
0.128
**MDA-15-R**
250
-
750
10000
-
0.00553
336.82
0.107
Ce
~~|Fete]~~
~~|~~
~~ββββ~~
~~βββββ~~
~~βββ~~
~~βββββ~~
~~βββ~~
~~βββββ~~
~~βββ~~
~~βββββ~~|
|---|
|**MDA-20-R**
250
125
1500
10000
10000
0.00400
483.45
0.095
**MDA-25A-R**
250
125
1500
10000
10000
0.00305
734.69
0.105
**MDA-30A-R**
250
125
1500
10000
10000
0.00243
1096.7
0.110
~~β_ββββββββ~~|
|*
Interrupting Ratings (Measured at 70% - 80% power factor on AC. The interrupting ratings for 25Amp, 30Amp were measured at 90% - 100% power factor on AC)|
- ** DC Cold Resistance (Measured at β€10% of rated current)
- Typical Melting I[2] t (A[2] Sec) (I[2] t was measured at listed interrupting rating and rated voltage)
- Typical Voltage Drop (Voltage drop was measured at 25Β°C ambient temperature at rated current)
0709 SB-BU09312
Data Sheet 2002
Page 1 of 2
## **Time-Current Curve**
CURRENT IN AMPS
|TIME IN SECONDS|1/4
1/2
1
2
3-2/10
4
5
6-1/4|1/4
1/2
1
2
3-2/10
4
5
6-1/4|1/4
1/2
1
2
3-2/10
4
5
6-1/4|1/4
1/2
1
2
3-2/10
4
5
6-1/4|1/4
1/2
1
2
3-2/10
4
5
6-1/4||
|---|---|---|---|---|---|---|
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||||||/1
/4||
||||||1/4
1/2
1
2
3-2
4
5
6-1|10
12
15
20
25
30|
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CURRENT IN AMPS
**==> picture [523 x 119] intentionally omitted <==**
**----- Start of picture text -----**
Packaging Code
Packaging Code Description
BK 100 fuses packed into a cardboard carton
BK1 1,000 fuses packed into a cardboard carton
BK8 8,000 fuses packed into a cardboard carton
Option Code
Option Code Description
B Sealed to withstand aqueous cleaning (Board Washable)
V Axial leads - copper tinned wire with nickel plated brass overcaps
**----- End of picture text -----**
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.
0709 SB-BU09312
Data Sheet 2002
Page 2 of 2
## Links
- [View this product on Novapart](https://novapart.co/products/BK/MDA-7-R/fuse-cartridge-7a-63x32mm-time-delay)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/eaton-electronics/bk-mda-7-r/fuse-cartridge-7a-6-3x32mm-time/dp/1150680)
---
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