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
% of Amp Rating
Opening Time
100%
4 hours minimum
200%
30 seconds maximum
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 product code and packaging code
Dimensions
38.1± 2.0
(1.5
±
0.08)
mm
⁄
(inches)
7.1
±
0.5
(0.280
±
0.020)
3.18
±
0.1__ _
(0.125
±
0.004)
0.81 dia.
(0.032)
3.18
±
0.1
diameter
(0.125
±
0.004)
0.81
diameter
(0.032)
End View
Construction
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
designated 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
calibrated circuit less than 50 microseconds)
‡ Typical Voltage Drop (Measured at rated current after temperature stabilizes)
Subminiature Through Hole
MCRS Series, Slow Blow, Wire-in-Air
TIME CURRENT CURVE
PACKAGING CODE
Packaging Code
TR1
Description
2,500 pieces on tape-and-reel per EIA-296-E @ 5 mm pitch and 52.4mm inside tape spacing
OC-2535 Rev. A 5/03
© Cooper Electronic
Technologies 2003
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper
Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of
any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this
bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
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