cooper bussmann

MCRW Series,Fast-Acting,Wire-in-Air,Subminiature Microtron® Fuses

  
• Axial-leaded fast-acting thru-hole fuse
• Matte tin-plated copper lead wires
• High temperature epoxy plastic body, UL 94V0
• 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 213B, Test Condition I (Sawtooth)
• Vibration resistance: MIL-STD-202, Method 201 (10-55Hz x 3 axis/ no load)
• Moisture resistance: MIL-STD-202F, Method 106
• Soldering heat resistance: MIL-STD-202, Method 210 Top side (260ºC, 20 sec)
• Salt spray: MIL-STD-202, Method 101, Test Condition B (48 Hours)
• Solderability MIL-STD-202, Method 208H
• Operating Temperating: -55ºC to 125ºC

Ordering
• Specify packaging and product code
(i.e., TR1/MCRW100mA)

Dimensions - mm (in)

Specifications
Part Number Voltage Rating Vac/dc Interrupting Rating* (amps) Resistance (Ω)** Typical Typical Melt I2t† Typical Voltage Drop‡
Vac Vdc
MCRW100mA 125 50 300 15.5 0.0006 3
MCRW125mA 125 50 300 2.2 0.0009 0.61
MCRW150mA 125 50 300 1.6 0.0015 0.54
MCRW200mA 125 50 300 1.2 0.002 0.48
MCRW250mA 125 50 300 0.85 0.004 0.43
MCRW300mA 125 50 300 0.62 0.008 0.39
MCRW375mA 125 50 300 0.49 0.012 0.35
MCRW500mA 125 50 300 0.33 0.023 0.31
MCRW750mA 125 50 300 0.19 0.056 0.25
MCRW1A 125 50 300 0.13 0.1 0.22
MCRW1.5A 125 50 300 0.07 0.25 0.18
MCRW2A 125 50 300 0.054 0.27 0.24
MCRW2.5A 125 50 300 0.041 0.5 0.22
MCRW3A 125 50 300 0.031 0.9 0.2
MCRW4A 125 50 300 0.023 1.6 0.19
MCRW5A 125 50 300 0.018 3 0.17
MCRW7A 125 50 300 0.012 7 0.15
MCRW10A 125 50 300 0.007 21 0.098
MCRW12A 125 50 300 0.006 35 0.093
MCRW15A 125 50 300 0.004 63 0.088
* 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)

Time-Current Curve

Packaging Code
Packaging Code Prefix Description
BK1 1,000 fuses in bulk
TR1 2,500 fuses on tape-and-reel per EIA-296-F @ 5mm pitch and 52.4mm inside tape spacing

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