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
mm
Dimensions (inches)
Agency Information
3.18 0.1__ _
UL Recognition Guide & File numbers: JDYX2 &
7.1 0.5
(0.125 0.004)
38.1 2.0
(0.280 0.020)
E195337.
(1.5 0.08)
CSA Certification Record No: LR 701159 & Class No:
1422 30 and 1422 01.
0.81 dia.
(0.032)
Environmental Data
Shock Resistance: MIL-STD-202, Method 213, Test
3.18 0.1 diameter
(0.125 0.004)
Condition 1 (Sawtooth)
End View
0.81
diameter
Vibration Resistance: MIL-STD-202, Method 201
(0.032)
(10-55 Hz x 3 axis/ no load)
Moisture Resistance: MIL-STD-202F, Method 106
Construction
Soldering Heat Resistance: 260C, 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: 260C, 10 sec per IEC 68-2-20
SPECIFICATIONS
Voltage Interrupting Resistance Typical Typical
Product Code Rating Rating* (ohms)** Melt Voltage
2
AC/DC AC DC Typ. I t Drop (V)
MCRS250mA 125 V 50 A 300 A 3.20 0.042 2.20
MCRS300mA 125 V 50 A 300 A 2.57 0.056 2.02
MCRS375mA 125 V 50 A 300 A 1.66 0.101 1.69
MCRS500mA 125 V 50 A 300 A 1.07 0.18 1.42
MCRS750mA 125 V 50 A 300 A 0.55 0.44 1.09
MCRS1A 125 V 50 A 300 A 0.36 0.78 0.91
MCRS1.25A 125 V 50 A 300 A 0.23 1.41 0.77
MCRS1.5A 125 V 50 A 300 A 0.18 1.9 0.7
MCRS2A 125 V 50 A 300 A 0.12 3.4 0.59
MCRS2.5A 125 V 50 A 300 A 0.08 6.1 0.5
MCRS3A 125 V 50 A 300 A 0.06 8.1 0.45
MCRS4A 125 V 50 A 300 A 0.04 15 0.38
MCRS5A 125 V 50 A 300 A 0.02 35 0.29
MCRS7A 125 V 50 A 300 A 0.01 63 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)
2
Typical Melting I 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 Description
TR1 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
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Cooper Electronic
Technologies 2003
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