Technical Data 2004
Effective June 2017
Supersedes February 2009
Product features
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
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
MDL
1/4” x 1 1/4” Time-delay glass tube fuses
•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
•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)
Specications
Voltage Typical DC Cold Typical Typical
Part Rating AC Interrupting Rating* (amps)@ Resistance** Melting I 2t† Voltage
Number Vac 250Vac 125Vac 32Vac AC Drop‡
MDL-1/16-R 250 35 10000 - 45.6 0.0046 2.79
MDL-1/10-R 250 35 10000 - 15.68 0.0420 1.95
MDL-1/8-R 250 35 10000 - 12.238 0.0422 1.52
MDL-3/16-R 250 35 10000 - 4.81 0.116 1.05
MDL-2/10-R 250 35 10000 - 5.234 0.314 0.972
MDL-1/4-R 250 35 10000 - 3.208 0.447 0.965
MDL-3/10-R 250 35 10000 - 2.046 0.412 0.808
MDL-3/8-R 250 35 10000 - 1.567 0.982 1.46
MDL-1/2-R 250 35 10000 - 0.943 1.656 1.27
MDL-3/4-R 250 35 10000 - 0.397 4.343 1.01
MDL-1-R 250 35 10000 - 0.273 11.498 0.995
MDL-1-1/4-R 250 100 10000 - 0.205 86.2 0.722
MDL-1-1/2-R 250 100 10000 - 0.156 22.7 0.721
MDL-2-R 250 100 10000 - 0.116 62.3 0.644
MDL-2-1/4-R 250 100 10000 - 0.096 49.6 0.535
MDL-2-1/2-R 250 100 10000 - 0.081 63.1 0.410
MDL-3-R 250 100 10000 - 0.057 67.5 0.345
MDL-4-R 250 200 10000 - 0.038 19.3 0.187
MDL-5-R 250 200 10000 - 0.025 32.0 0.160
MDL-6-R 250 200 10000 - 0.022 37.4 0.155
MDL-6-1/4-R 250 200 10000 - 0.02 38.7 0.152
MDL-7-R 250 200 10000 - 0.018 42.7 0.140
MDL-8-R 250 200 10000 - 0.015 47.8 0.119
MDL-9-R 32 - - 1000 0.012 51.5 0.124
MDL-10-R 32 - - 1000 0.01 64.4 0.114
MDL-15-R 32 - - 1000 0.005 354.0 0.130
MDL-20-R 32 - - 1000 0.004 2914.0 0.530
MDL-25†† 32 - - 1000 0.01225 15221.0 0.30
MDL-30†† 32 - - 1000 0.0011 15581.0 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 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±3°C ambient temperature at rated current)
†† MDL-25 & MDL-30 not available in RoHS compliant construction.
(Ω)
Environmental data
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. 2004 SB-BU08675
June 2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
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.
MDL
1/4” x 1 1/4” Time-delay glass tube fuses
Technical Data 2004
Effective June 2017
38.10
(1.500)
32.82
(1.292)
38.10
(1.500)
6.76
(0.266)
31.75
(1.250)
6.35
(0.250)
DIA. OF LEADS
0–15 AMP:
20–30 AMP:
0.81
(0.032)
1.02
(0.040)
Dimensions - mm (in)
Drawing Not to Scale
Packaging Code
Packaging CodeDescription
BK 100 fuses packed into a cardboard carton
Option Code
Option CodeDescription
BSealed to withstand aqueous cleaning (Board Washable)
VAxial leads - copper tinned wire with nickel plated brass overcaps
Time-Current Curve
Current in Amps
Current in Amps
Time in Seconds
Time in Seconds
