®
Bu s s m a n n
Mic ro t ro n ® P rin t e d Circ u it Bo a rd Fu s e s
MCR
.122∑ ≈ .297∑ (3.10mm ≈ 7.54mm)
R
Tim e -Curre nt Cha ra c te ris tic Curve s –Ave ra ge Me lt
(Full Size Curve s Ava ila ble )
Actual Size
AMPERE
RATING
Produc t Na m e : MCR (Microtron®)
Cha ra c te ris tic s : Fast Acting, Current Limiting
10
Cons truc tion: Solid Matrix
Pa c ka ging & Orde ring Inform a tion:
Dim e ns iona l Da ta
±0.005"
±0.13mm
*All tolerances:
1
1.13"
28.58mm
1.13"
28.58mm
.297"
7.54mm
.12"
3.10mm
.1
.025"
0.64mm
MCR
(Se e Ta ble )
Produc t
Ra te d Curre nt
Sym bol
.01
Pa c ka ge Code
Bla nk 10 in
BK
500 in
TR/ Tape/Reel 2500 units, 52.4mm spacing
TR1 / Tape/Reel 5000 units, 52.4mm spacing
TR6 / Tape/Reel 1000 units, 52.4mm spacing
Radial leaded versions available (.4∑, .6∑ spacing)
.001
CURRENT IN AMPERES
We ight = 2 .4 5 lbs /2 5 0 0
Tim e -Curre nt Cha ra c te ris tic s :
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000 VAC, 75-1500 VDC). Refer to BIF document #8002 or contact
Bussmann Application Engineering at 314-527-1270 for more information.
Rated
Percent of Rating
Current
0-10A
100%
250%
4 hrs. (min)
5 sec. (max)
Ele c tric a l Cha ra c te ris tic s
Agency*
Approvals
Typical Voltage
Rated
Voltage
Interrupting
Rating1
Pre-arcing2
I2t (A2sec)
Typical Total Clearing2
I2t (A2sec)
Drop Volts at
100% Rated
Current
Current
Rating
AC (Max.)
DC (Max.)
AC
DC
AC
DC
AC
DC
⁄Ω¡§
⁄Ω•
⁄Ω¢
‹Ω•
⁄Ω™
‹Ω¢
1
1⁄Ω™
2
2⁄Ω™
3
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
60V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
90V
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
50A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
300A
1.1 ≈ 10-6
4.3 ≈ 10-6
8.0 ≈ 10-5
9.7 ≈ 10-5
7.4 ≈ 10-4
1.3 ≈10-3
.01
.03
.09
.19
.35
1.0 ≈ 10-7
7.1 ≈ 10-7
1.0 ≈ 10-6
6.7 ≈ 10-6
5.4 ≈ 10-5
7.4 ≈ 10-5
.01
.02
.07
.14
.28
1.8 ≈ 10-6
7.3 ≈ 10-6
1.2 ≈ 10-4
1.1 ≈ 10-4
6.2 ≈ 10-3
7.5 ≈ 10-2
.02
.04
.11
.25
.45
1.5 ≈ 10-7
8.7 ≈ 10-7
1.3 ≈ 10-6
8.3 ≈ 10-6
6.8 ≈ 10-5
9.2 ≈ 10-5
.01
.03
.08
.17
.32
2.33
1.52
.76
.73
.65
.55
.24
.20
.16
.15
.15
.14
.13
.11
.10
.08
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
3⁄Ω™
4
5
.56
.96
1.82
1.48
.37
.67
1.34
.49
.83
1.37
2.53
2.02
.43
.77
1.51
.58
7
10
60V
90V
3.62
1.16
4.41
1.38
Approvals: UL Recognition STD 248-14, Guide JDYX2, File E19180; CSA Certification, Class 1422-01, File 53787.
*
JIS (Japanese Industrial Standard) Reg. No. 2221, Authorization No. 32-1516.
1. Interrupting ratings were measured at 100% (⁄Ω¡§ to 5) and 100% (7, 10) power factors on AC, and a time constant less than 1ms. on D.C.
2
2. I t was measured at 50 amps 125 VAC, .95PF, (random closing angle) and 300 amps 125 VDC, TC <1ms. for ⁄Ω¡§ through 5 amps and 50 amps 60 VAC, .95PF, (random
closing angle), and 300 amps 90 VDC, TC <1ms. for the 7 and 10 amp fuses.
Note : All values shown above are typical.
Form No. MCR
Page 1 of 2
BIF Doc #2003
12-21-98
SB98107
Rev. A
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