BK/MDA-10 - Bussmann / Eaton

Technical Data 2002

Effective July 2017

Supersedes June 2017

Product features

Agency information

•UL Listed Card: MDA 1/4 - 20 A (Guide JDYX, File E19180)

•UL Recognized Card: MDA 25 - 30 A (Guide JDYX2, File

E19180)

•CSA Certification Card: MDA 1/4 - 20 A (Class No. 1422-01)

•CSA Component Acceptance: MDA 25-30 A (Class No.

1422-30)

Environmental data

•Shock: 1 A thru 30 A – MIL-STD-202, Method 213, Test

Condition J

•Vibration: 1/4 A thru 30 A – MIL-STD-202, Method 204, Test

Condition C (Except 5 g, 500 Hz)

MDA

1/4” x 1 1/4” Time-delay ceramic tube fuses

•Time-delay

•Optional axial leads available

•1/4” x 1-1/4” (6.35 x 31.75 mm) physical size

•Ceramic tube, nickel-plated brass endcap construction

•UL Listed product meets standard 248-14 Ordering

•Specify packaging, product and option code.

Specifications

AC Interrupting

Part Voltage Rating Rating* (A)DC Interrupting

Rating (A) 125 VTypical DC Cold Typical Typical Voltage

Number Vac Vdc 250 V 125 VResistance** (Ω) Melting I2t† AC Drop‡

MDA-1/4-R 250 - 35 10000 - 8.7 0.748 4.00

MDA-1/2-R 250 - 35 10000 - 1.78 2.53 1.42

MDA-3/4-R 250 - 35 10000 - 0.82 8.58 1.31

MDA-1-R 250 - 35 10000 - 0.56 12.21 1.03

MDA-1-1/2-R 250 - 100 10000 - 0.2565 27.5 0.691

MDA-2-R 250 - 100 10000 - 0.17 70.4 0.623

MDA-2-1/2-R 250 - 200 10000 - 0.068 31.79 0.213

MDA-3-R 250 - 200 10000 - 0.0525 44.99 0.182

MDA-4-R 250 - 200 10000 - 0.03575 147.4 0.162

MDA-5-R 250 - 200 10000 - 0.0256 380.49 0.145

MDA-6-R 250 - 200 10000 - 0.02035 587.73 0.141

MDA-7-R 250 - 200 10000 - 0.0165 638.33 0.137

MDA-8-R 250 - 200 10000 - 0.013 1038.4 0.134

MDA-10-R 250 - 200 10000 - 0.00925 1620.43 0.135

MDA-12-R 250 - 750 10000 - 0.00755 125.18 0.128

MDA-15-R 250 - 750 10000 - 0.00565 336.82 0.107

MDA-20-R 250 125 1500 10000 10000 0.004065 483.45 0.095

MDA-25-R 250 125 1500 10000 10000 0.0031 734.69 0.105

MDA-30-R 250 125 1500 10000 10000 0.002465 1096.7 0.110

*Interrupting Ratings (Measured at 70% - 80% power factor on AC. The interrupting ratings for 25 A, 30 A were measured at 90% - 100% 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 ambient temperature at rated current)

Electrical Characteristics

Rated Current Amp Rating Opening Time

100% None

1/4 - 30 A135% 60 minutes Max.

200% 120 seconds Max.

Eaton

Electronics Division

1000 Eaton Boulevard

Cleveland, OH 44122

United States

www.eaton.com/electronics

Printed in USA

Publication No. 2002 BU-SB11875

July 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.

MDA

1/4” x 1 1/4” Time-delay ceramic tube fuses

Technical Data 2002

Effective July 2017

Dimensions - mm (in)

Drawing Not to Scale

38.10 32.82 38.10

(1.500) (1.292) (1.500)

6.76 DIA. OF LEADS

(0.266)

0–15 AMP: 0.81

(0.032)

20–30 AMP: 1.02

(0.040)

31.75 6.35

(1.250) (0.250)

Time-Current Curves (1/4 A - 6 1/4 A)

Packaging Code

Packaging Code PrexDescription

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 Curves (7 A - 30 A)

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

Eaton:

BK/MDA-1-1/4 BK/MDA-V-3 BK/MDA-2 BK/MDA-6-1/4 BK/MDA-2-8/10 BK/MDA-1/10 BK/MDA-2/10 BK/MDA-V-1-

1/4 BK/MDA-5 BK/MDA-1-6/10 BK/MDA-V-1/16 BK/MDA-V-6/10 BK/MDA-3/4 BK/MDA-V-3/4 BK/MDA-V-5

BK/MDA-V-12 BK/MDA-12 BK/MDA-8/10 BK/MDA-30A BK/MDA-3-2/10 BK/MDA-V-7 BK/MDA-V-2/10 BK/MDA-V-

3/10 BK/MDA-1/4 BK/MDA-V-8/10 MDA-3/10 BK/MDA-1 BK/MDA-V-1/10 BK/MDA-V-4/10 BK/MDA-V-3-2/10

BK/MDA-V-8 BK/MDA-V-1-1/2 BK/MDA-25A BK/MDA-6 BK/MDA-V-15 BK/MDA-V-2 BK/MDA-1/16-R MDA-15/100-

R MDA-3/10-R BK/MDA-4-R MDA-3/8-R MDA-1/32-R BK/MDA-8-R BK/MDA-7-R BK/MDA-6/10-R BK/MDA-6-R

BK/MDA-6-1/4-R BK/MDA-5-R BK/MDA-4/10-R BK/MDA-8/10-R BK/MDA-1/2-R BK/MDA-1/4-R BK/MDA-30-R

BK/MDA-1-1/4-R BK/MDA-1-6/10-R BK/MDA-1/10-R BK/MDA-1-1/2-R BK/MDA-1/8-R BK/MDA-10-R BK/MDA-15-R

BK/MDA-3-R BK/MDA-1-R BK/MDA-3/4-R BK/MDA-2-1/2-R BK/MDA-3-2/10-R BK/MDA-25-R BK/MDA-20-R

BK/MDA-2/10-R BK/MDA-2-R BK/MDA-2-8/10-R BK/MDA-V-2-8/10 BK/MDA-V-4 BK/MDA-4/10 BK/MDA-15

BK/MDA-V-1/4 BK/MDA-1/16 BK/MDA-V-1/10-R BK/MDA-V-1/16-R BK/MDA-V-1/4-R BK/MDA-V-1/8-R BK/MDA-V-

10-R BK/MDA-V-15-R BK/MDA-V-1-R BK/MDA-V-2/10-R BK/MDA-V-20-R BK/MDA-V-25-R BK/MDA-V-2-R

BK/MDA-V-3/10-R BK/MDA-V-3/4-R BK/MDA-V-3/8-R BK/MDA-V-30-R BK/MDA-V-3-R BK/MDA-V-4/10-R BK/MDA-

V-4-R BK/MDA-V-5-R BK/MDA-V-6/10-R BK/MDA-V-6-R BK/MDA-V-7-R BK/MDA-V-8/10-R BK/MDA-V-8-R