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BK/MDA-V-1-1/4R

Description
cartridge fuses small dimension fuse
CategoryCircuit protection   
File Size272KB,2 Pages
ManufacturerBussmann (Eaton)
Environmental Compliance
Download Datasheet Parametric View All

BK/MDA-V-1-1/4R Overview

cartridge fuses small dimension fuse

BK/MDA-V-1-1/4R Parametric

Parameter NameAttribute value
ManufactureCooper Bussm
Product CategoryCartridge Fuses
RoHSYes
Body StyleCylindrical Leaded
Current Rating1.25 A
Voltage Rating AC250 V
Mounting StyleThrough Hole
Fuse TypeTime Delay / Slow Blow
Fuse Size / Grou3AB (6.3 mm x 32 mm)
Dimensions32.82 mm L x 6.76 mm D
Case Diamete6.76 mm
Case Length32.82 mm
Indicator StyleWithout Indic
PackagingBulk
ProducSpecialty Fuses
Factory Pack Quantity100
Termination StyleAxial
TypeElectronic Time Delay Ferrule Fuse
Unit Weigh453.592 mg
/
4
˝ x 1
1
/
4
˝ Ceramic Tube Fuses
MDA Series,
Time-Delay
1
Description
• Time-delay
• Optional axial leads available
• 1/4˝ x 1-1/4˝ (6.35 x 31.75mm) physical size
• Ceramic tube, nickel-plated brass endcap construction
• UL Listed product meets standard 248-14
Electrical Characteristics
Rated Current
Amp Rating
Opening Time
100%
None
1/4 - 30A
135%
60 Minutes Max.
200%
120 Seconds Max.
Dimensions - mm (in)
Drawing Not to Scale
38.10
(1.500)
32.82
(1.292)
38.10
(1.500)
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 – MIL-STD-202,
Method 213, Test Condition I;
1A thru 30A – MIL-STD-202, Method 213,
Test Condition J
• Vibration: 1/100A and 8/10A – MIL-STD-202,
Method 201; 1/4A thru 30A – MIL-STD-202,
Method 204, Test Condition C (Except 5g, 500HZ)
6.76
(0.266)
DIA. OF LEADS
0.81
0–15 AMP:
(0.032)
20–30 AMP: 1.02
(0.040)
31.75
(1.250)
6.35
(0.250)
Ordering
• Specify packaging, product, and option code
SPECIFICATIONS
Part
Number
MDA-1/4-R
MDA-1/2-R
MDA-3/4-R
MDA-1-R
MDA-1-1/2-R
MDA-2-R
MDA-2-1/2-R
MDA-3-R
MDA-4-R
MDA-5-R
MDA-6-R
MDA-7-R
MDA-8-R
MDA-10-R
MDA-12-R
MDA-15-R
MDA-20-R
MDA-25A-R
MDA-30A-R
*
**
Voltage
Rating
Vac
Vdc
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
-
250
125
250
125
250
125
AC Interrupting
Rating* (amps)
250V
125V
35
10000
35
10000
35
10000
35
10000
100
10000
100
10000
200
10000
200
10000
200
10000
200
10000
200
10000
200
10000
200
10000
200
10000
750
10000
750
10000
1500
10000
1500
10000
1500
10000
DC Interrupting
Rating (amps)
125V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
10000
10000
10000
Typical DC Cold
Resistance**
Ω
(Ω)
9.325
1.925
0.8555
0.560
0.2585
0.170
0.06685
0.05350
0.03625
0.02610
0.02120
0.01690
0.01350
0.00948
0.00725
0.00553
0.00400
0.00305
0.00243
Typical
Melting I
2
t†
AC
0.748
2.53
8.58
12.21
27.5
70.4
31.79
44.99
147.4
380.49
587.73
638.33
1038.4
1620.43
125.18
336.82
483.45
734.69
1096.7
Typical
Voltage
Drop‡
4.00
1.42
1.31
1.03
0.691
0.623
0.213
0.182
0.162
0.145
0.141
0.137
0.134
0.135
0.128
0.107
0.095
0.105
0.110
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 ≤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 25°C ambient temperature at rated current)
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SB-BU09312
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