MDL-20 Datasheet, PDF (1/2 Pages) Cooper Bussmann, Inc. – 1/4 x 1 1/4 Time-Delay, Glass Tube Fuses

1_{/4˝ x 1} 1_{/4˝ Time-Delay, Glass Tube Fuses}
MDL Series
Description
• Time-delay
• Optional axial leads available
•
⁄1
4
x
1
⁄1
4
(6.4
x
31.7mm)
physical
size
• Glass tube, nickel-plated brass endcap construction
• UL Listed product meets standard 248-14
Rated Current
⁄1
16
-
30A
⁄1
16
-
3A
3-²â„10 - 8A
Electrical Characteristics
% of Amp Rating
Opening Time
100%
None
135%
60 minutes maximum
200%
120 seconds maximum
200%
5 seconds minimum
200%
12 seconds minimum
Agency Information
• UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180)
• UL Recognized Card: MDL 9 - 30A (Guide JDYX2,
File E19180)
• CSA Certification Card: MDL 1/16 - 8A (Class No. 1422-01)
• CSA Component Acceptance: MDL 9-30A
(Class No. 1422-30)
• CE
Environmental Data
• Shock: 1A thru 30A – MIL-STD-202, Method 207, (HI Shock)
• Vibration: 1/4A thru 30A – MIL-STD-202, Method 204, Test
Condition C (Except 5g, 500HZ)
Ordering
Specify packaging code
• Insert packaging code prefix before part number. E.g., BK
(or BK1)-MDL-5-R
Specify option codes if desired
• For axial leads, insert “V” between catalog series and amp
rating. E.g., BK-MDL-V-5-R
• For board washable, insert “B” between catalog series and
amp rating. E.g., BK-MDL-B-5-R
• For axial leads and board washable, insert “B” then “V”
between catalog series and amp rating. E.g., BK-MDL-BV-5-R
Dimensions - mm (in)
Drawing Not to Scale
38.10
(1.500)
32.82
(1.292)
38.10
(1.500)
6.76
(0.266)
31.75
(1.250)
DIA. OF LEADS
0–15
AMP:
0.81
(0.032)
20–30 AMP: ^1.02
(0.040)
6.35
(0.250)
Part
Number
MDL-1/16-R
MDL-1/10-R
MDL-1/8-R
MDL-3/16-R
MDL-2/10-R
MDL-1/4-R
MDL-3/10-R
MDL-3/8-R
MDL-1/2-R
MDL-3/4-R
MDL-1-R
MDL-1-1/4-R
MDL-1-1/2-R
MDL-2-R
MDL-2-1/4-R
MDL-2-1/2-R
MDL-3-R
MDL-4-R
MDL-5-R
MDL-6-R
MDL-6-1/4-R
MDL-7-R
MDL-8-R
MDL-9-R
MDL-10-R
MDL-15-R
MDL-20-R
MDL-25††
MDL-30††
Voltage
Rating
Vac
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
32
32
32
32
32
32
Specifications
AC Interrupting Rating* (amps)@
250Vac
125Vac
32Vac
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
35
10000
-
100
10000
-
100
10000
-
100
10000
-
100
10000
-
100
10000
-
100
10000
-
200
10000
-
200
10000
-
200
10000
-
200
10000
-
200
10000
-
200
10000
-
-
-
1000
-
-
1000
-
-
1000
-
-
1000
-
-
1000
-
-
1000
Typical DC Cold
Resistance**
(Ω)
45.6
15.68
12.238
4.81
5.234
3.208
2.046
1.567
0.943
0.397
0.273
0.205
0.156
0.116
0.096
0.081
0.057
0.038
0.025
0.022
0.02
0.018
0.015
0.012
0.01
0.005
0.004
0.01225
0.0011
Typical
Melting I²t†
AC
0.0046
0.0420
0.0422
0.116
0.314
0.447
0.412
0.982
1.656
4.343
11.498
86.2
22.7
62.3
49.6
63.1
67.5
19.3
32.0
37.4
38.7
42.7
47.8
51.5
64.4
354.0
2914.0
15221.0
15581.0
Typical
Voltage
Drop‡
2.79
1.95
1.52
1.05
0.972
0.965
0.808
1.46
1.27
1.01
0.995
0.722
0.721
0.644
0.535
0.410
0.345
0.187
0.160
0.155
0.152
0.140
0.119
0.124
0.114
0.130
0.530
0.30
0.40
* Interrupting Ratings (Interrupting ratings were measured at 70% - 80% power factor on AC)
** DC Cold Resistance (Measured at ≤10% of rated current)
† Typical Melting I²t (A²Sec) (I²t was measured at listed interrupting rating and rated voltage.)
‡ Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)
†† MDL-25 & MDL-30 not available in RoHS compliant construction.
0209 SB-BU08675
Page 1 of 2
Data Sheet 2004