MDA-4-R [COOPER]
1/4Ë x 1 1/4Ë Ceramic Tube Fuses;型号: | MDA-4-R |
厂家: | COOPER BUSSMANN, INC. |
描述: | 1/4Ë x 1 1/4Ë Ceramic Tube Fuses 电路保护 |
文件: | 总2页 (文件大小:280K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
1
1
/
4
˝ x 1 / ˝ Ceramic Tube Fuses
4
MDA Series, Time-Delay
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
100%
Opening Time
None
1/4 - 30A
135%
60 Minutes Max.
120 Seconds Max.
Dimensions - mm (in)
200%
Drawing Not to Scale
Agency Information
32.82
(1.292)
38.10
(1.500)
38.10
(1.500)
• UL Listed Card: MDA 2/10 - 20A (Guide JDYX,
File E19180)
• UL Recognized Card: MDA 25 - 30A (Guide JDYX2,
File E19180)
6.76
(0.266)
DIA. OF LEADS
0.81
0–15 AMP:
(0.032)
• CSA Certification Card: MDA 2/10 - 20
(Class No. 1422-01)
• CSA Component Acceptance: MDA 25-30A
(Class No. 1422-30)
1.02
(0.040)
20–30 AMP:
Environmental Data
31.75
(1.250)
6.35
(0.250)
• 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)
Ordering
• Specify packaging, product, and option code
SPECIFICATIONS
Part
Voltage
Rating
AC Interrupting
Rating* (amps)
DC Interrupting
Typical DC Cold
Resistance**
(Ω)
Typical
Typical
Voltage
Drop‡
4.00
2
Number
Rating (amps)
Melting I t†
Vac
Vdc
250V
35
125V
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
125V
AC
0.748
2.53
MDA-1/4-R
MDA-1/2-R
MDA-3/4-R
MDA-1-R
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
-
-
9.325
-
35
-
1.925
1.42
-
35
-
0.8555
8.58
1.31
-
35
-
0.560
12.21
27.5
1.03
MDA-1-1/2-R
MDA-2-R
-
100
100
200
200
200
200
200
200
200
200
750
750
1500
1500
1500
-
0.2585
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
-
-
0.170
70.4
MDA-2-1/2-R
MDA-3-R
-
-
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
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
-
-
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
-
-
-
-
-
125
125
125
10000
10000
10000
*
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)
2
2
2
†
‡
Typical Melting I t (A Sec) (I 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)
0709 SB-BU09312
Page 1 of 2
Data Sheet 2002
Time-Current Curve
CURRENT IN AMPS
CURRENT IN AMPS
Packaging Code
Packaging Code
Description
BK
100 fuses packed into a cardboard carton
1,000 fuses packed into a cardboard carton
8,000 fuses packed into a cardboard carton
BK1
BK8
Option Code
Option Code
Description
B
V
Sealed to withstand aqueous cleaning (Board Washable)
Axial leads - copper tinned wire with nickel plated brass overcaps
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 con-
tained 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 sup-
port 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.
© 2009 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0709 SB-BU09312
Page 2 of 2
Data Sheet 2002
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