EEWORLDEEWORLDEEWORLD

Part Number

Search

BK1-MDA-7-R

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

BK1-MDA-7-R Online Shopping

Suppliers Part Number Price MOQ In stock  
BK1-MDA-7-R - - View Buy Now

BK1-MDA-7-R Overview

cartridge fuses

BK1-MDA-7-R Parametric

Parameter NameAttribute value
ManufactureCooper Bussm
Product CategoryCartridge Fuses
RoHSYes
Body StyleCylindrical
Current Rating7 A
Voltage Rating AC250 V
Mounting StyleHolder / Cli
Fuse TypeTime Delay / Slow Blow
Fuse Size / Grou3AB (6.3 mm x 32 mm)
Dimensions31.75 mm L x 6.35 mm D
Case Diamete6.35 mm
Case Length31.75 mm
Indicator StyleWithout Indic
PackagingBulk
ProducSpecialty Fuses
Termination StyleCli
TypeElectronic Time Delay Ferrule Fuse
/
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)
0709
SB-BU09312
Page 1 of 2
Data Sheet 2002
How can we learn to develop embedded systems?
When learning embedded system development, I feel a bit like learning electronics when learning hardware knowledge. Please give me some guidance!...
sweety Embedded System
[TI's first low-power design competition] Installing CCS6 under Linux
[i=s]This post was last edited by dcexpert on 2014-9-28 21:29[/i] I saw that few people use CCS6 under Linux, so I want to give it a try. First download the Linux installation file ccs_setup+linux32.b...
dcexpert Microcontroller MCU
Algorithm Problems in CCS
Why is the result of my algorithm correct when running in Visual C++ 6.0, but incorrect in CCS? Can someone help me (urgent help)?...
chris900808 DSP and ARM Processors
So fast, it's already sophomore year
It's already my sophomore year, I'm majoring in electronic information engineering, my school is average, I can study 51, 430 hours a day, I've done some things, and rarely go to class. I don't feel v...
zkaiaizy Talking about work
Installation of MXCHIP+Qingke Open1081 driver
[size=4][color=#0000ff]Qingke Open1081 provides USB TO UART (PL2303 chip) for easy debugging. Therefore, we need to install the PL2303 driver. [/color][/size] [size=4][color=#0000ff]Driver: [/color][/...
chen8710 RF/Wirelessly
Please advise on C51 timer application pcb, schematic diagram, source code
:) Timer C code project, schematic diagram and PCB diagram. Please correct me if I find anything wrong. Let's make progress together. Money is hard to earn. [[i] This post was last edited by y789 on 2...
y789 51mcu

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 14  386  2090  1349  183  1  8  43  28  4 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号