Description
• Axial Leaded
• Fast Acting, Wire-in-Air Design
• Tin-lead Plated Copper Lead Wires
• High Temperature Epoxy Plastic Body, UL 94 VO
• Interrupt 50 amperes at 125 VAC
• Low resistance values
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 Soldering Method
• Heat Resistance: 260°C, 10 sec per IEC 68-2-20
3.18 ± 0.1___
7.1 ± 0.5 (0.125 ± 0.004)
38.1 ± 2.0 (0.280 ± 0.020)
(1.5 ± 0.08)
“A”
3.18 ± 0.1 diameter
(0.125 ± 0.004)
“A” diameter
Construction
Dimensions mm⁄(inches)
End View
*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 I2t (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
MCRW Series, Fast Acting,Wire-in-Air
ELECTRICAL CHARACTERISTICS
% of Amp Rating Opening Time
100% 4 hours minimum
200% 5 seconds maximum
Amperage “A” Diameter
100mA - 7A 0.025"
10A - 15A 0.032"
SPECIFICATIONS
Voltage Interrupting Resistance Typical Typical
Product Code Rating Rating* (ohms)** Melt Voltage
AC/DC AC DC Typ. I2t† Drop (V)‡
MCRW100mA 125 V 50 A 300 A 15.5 0.0006 0.68
MCRW125mA 125 V 50 A 300 A 2.2 0.0009 0.61
MCRW150mA 125 V 50 A 300 A 1.6 0.0015 0.54
MCRW200mA 125 V 50 A 300 A 1.2 0.002 0.48
MCRW250mA 125 V 50 A 300 A 0.85 0.004 0.43
MCRW300mA 125 V 50 A 300 A 0.62 0.008 0.39
MCRW375mA 125 V 50 A 300 A 0.49 0.012 0.35
MCRW500mA 125 V 50 A 300 A 0.33 0.023 0.31
MCRW750mA 125 V 50 A 300 A 0.19 0.056 0.25
MCRW1A 125 V 50 A 300 A 0.13 0.10 0.22
MCRW1.5A 125 V 50 A 300 A 0.07 0.25 0.18
MCRW2A 125 V 50 A 300 A 0.054 0.27 0.24
MCRW2.5A 125 V 50 A 300 A 0.041 0.50 0.22
MCRW3A 125 V 50 A 300 A 0.031 0.9 0.20
MCRW4A 125 V 50 A 300 A 0.023 1.6 0.19
MCRW5A 125 V 50 A 300 A 0.018 3 0.17
MCRW7A 125 V 50 A 300 A 0.012 7 0.15
MCRW10A 125 V 50 A 300 A 0.007 21 0.098
MCRW12A 125 V 50 A 300 A 0.006 35 0.093
MCRW15A 125 V 50 A 300 A 0.004 63 0.088
PACKAGING CODE
Packaging Code Description
BK1 1,000 pieces in bulk
TR1 2,500 pieces on tape-and-reel per EIA-296-E @ 5 mm pitch and 52.4mm inside tape spacing
TIME CURRENT CURVE
Subminiature Through Hole
MCRW Series, Fast Acting,Wire-in-Air
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3601 Quantum Boulevard Boynton Beach, Flor ida 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.
OC-2534 Rev. A 5/03
© Cooper Electronic
Technologies 2003
