HALOGEN
HF
FREE
Subminiature Microtron® Fuses
MCRW Series, Fast-Acting, Wire-in-Air
Description
• Axial-leaded fast-acting thru-hole fuse
• Matte tin-plated copper lead wires
• High temperature epoxy plastic body, UL 94V0
• Low resistance values
Electrical Characteristics
% of Amp Rating
Opening Time
100%
4 hours minimum
200%
5 seconds maximum
Agency Information
• UL Recognition Guide & File numbers: JDYX2 &
E19180.
• CSA Certification Record No: LR 701159 & Class No:
1422 30 and 1422 01.
Dimensions - mm (in)
3.18 ± 0.1___
(0.125 ± 0.004)
7.1 ± 0.5
(0.280 ± 0.020)
“B”
Environmental Data
“A”
• 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
Amps
100mA - 7A
10A - 15A
“A” Diameter
0.025"
0.032"
Packaging Code
BK1
TR1
“B” Length
1.5"
1.13"
3.18 ± 0.1
diameter
(0.125 ± 0.004)
End View
“A” diameter
Construction
Ordering
• Specify packaging and product code
(i.e., TR1/MCRW100mA)
Specifications
Part Number
MCRW100mA
MCRW125mA
MCRW150mA
MCRW200mA
MCRW250mA
MCRW300mA
MCRW375mA
MCRW500mA
MCRW750mA
MCRW1A
MCRW1.5A
MCRW2A
MCRW2.5A
MCRW3A
MCRW4A
MCRW5A
MCRW7A
MCRW10A
MCRW12A
MCRW15A
*
**
†
‡
Voltage
Rating
Vac/dc
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
Interrupting
Rating* (amps)
Vac
Vdc
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
Resistance
Ω
(Ω)**
Typical
15.5
2.2
1.6
1.2
0.85
0.62
0.49
0.33
0.19
0.13
0.07
0.054
0.041
0.031
0.023
0.018
0.012
0.007
0.006
0.004
Typical
Melt
I2t†
0.0006
0.0009
0.0015
0.002
0.004
0.008
0.012
0.023
0.056
0.10
0.25
0.27
0.50
0.9
1.6
3
7
21
35
63
Typical
Voltage
Drop‡
3.00
0.61
0.54
0.48
0.43
0.39
0.35
0.31
0.25
0.22
0.18
0.24
0.22
0.20
0.19
0.17
0.15
0.098
0.093
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)
0709
BU-SB09024
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Data Sheet 4074