Subminiature Through Hole
MCRS Series, Slow Blow, Wire-in-Air
Description
• Axial Leaded
• Slow Blow, Wire-in-Air Design
• Tin-lead Plated Copper Lead Wires
• High Temperature Epoxy Plastic Body, UL 94 VO
• Interrupt 50 amperes at 125 VAC
ELECTRICAL CHARACTERISTICS
Opening Time
% of Amp Rating
4 hours minimum
100%
200%
30 seconds maximum
RoHS
2002/95/EC
Dimensions
Agency Information
• UL Recognition Guide & File numbers: JDYX2 &
E195337.
• CSA Certification Record No: LR 701159 & Class No:
1422 30 and 1422 01.
Environmental Data
• Shock Resistance: MIL-STD-202, Method 213, Test
Condition 1 (Sawtooth)
• Vibration Resistance: MIL-STD-202, Method 201
(10-55 Hz x 3 axis/ no load)
• Moisture Resistance: MIL-STD-202F, Method 106
• Soldering Heat Resistance: 260°C, 10 seconds per
IEC 68-2-20
• Salt Spray: MIL-STD-202, Method 101, Test
Condition B (48 Hours)
Ordering
• Specify packaging and product code
(i.e., TR1/MCRS250mA)
"A"
mm
⁄
(inches)
7.1
±
0.5
(0.280
±
0.020)
3.18
±
0.1__ _
(0.125
±
0.004)
Packaging Code
BK1
TR1
“A” Length
1.5"
1.13"
0.81 dia.
(0.032)
End View
3.18
±
0.1
diameter
(0.125
±
0.004)
0.81
diameter
(0.032)
Construction
Printed Circuit Board Fuses - Axial and Radial Leaded
Soldering Method
• Heat Resistance: 260°C, 10 sec per IEC 68-2-20
SPECIFICATIONS
Product Code
MCRS250mA
MCRS300mA
MCRS375mA
MCRS500mA
MCRS750mA
MCRS1A
MCRS1.25A
MCRS1.5A
MCRS2A
MCRS2.5A
MCRS3A
MCRS4A
MCRS5A
MCRS7A
Voltage
Rating
AC/DC
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
125 V
Interrupting
Rating*
AC
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
50 A
DC
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
300 A
Resistance
(ohms)**
Typ.
3.20
2.57
1.66
1.07
0.55
0.36
0.23
0.18
0.12
0.08
0.06
0.04
0.02
0.01
Typical
Melt
I
2
t†
0.042
0.056
0.101
0.18
0.44
0.78
1.41
1.9
3.4
6.1
8.1
15
35
63
Typical
Voltage
Drop (V)‡
2.20
2.02
1.69
1.42
1.09
0.91
0.77
0.7
0.59
0.5
0.45
0.38
0.29
0.25
* AC Interrupting Rating (Measured at designated voltage, 100%) DC Interrupting Rating (Measured at des-
ignated voltage, rise time of less than 50 microseconds, battery source)
** DC Cold Resistance (Measured at 10% of rated current)
† Typical Melting I
2
t (Measured with a battery bank at rated DC voltage, 10x-rated current, rise time of calibrat-
ed circuit less than 50 microseconds)
‡ Typical Voltage Drop (Measured at rated current after temperature stabilizes)
OC-44
Subminiature Through Hole
MCRS Series, Slow Blow, Wire-in-Air
TIME CURRENT CURVE
Printed Circuit Board Fuses - Axial and Radial Leaded
PACKAGING CODE
Packaging Code
BK1
TR1
Description
1,000 pieces in bulk
2,500 pieces on tape-and-reel per EIA-296-E @ 5 mm pitch and 52.4mm inside tape spacing
Visit us on the web at:
www.cooperbussmann.com
North America
Cooper Electronic Technologies Cooper Bussmann
1225 Broken Sound Parkway NW P.O. Box 14460
Suite F
St. Louis, MO 63178-4460
Boca Raton, FL 33487-3533
Tel: 1-636-394-2877
Tel: 1-561-998-4100
Fax: 1-800-544-2570
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Europe
Cooper Electronic Technologies Cooper Electronic Technologies
Cooper (UK) Limited
Avda. Santa Eulalia, 290
Burton-on-the-Wolds
08223
Leicestershire • LE12 5TH UK
Terrassa, (Barcelona), Spain
Tel: +44 (0) 1509 882 737
Tel: +34 937 362 812
Fax: +44 (0) 1509 882 786
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
Cooper Electronic Technologies
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
OC-45
Microcontroller MCU
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