OBSOLETE - Recommended replacement with MCRW, Data Sheet 4074 - OBSOLETE
Subminiature Through Hole
MCR Series, Fast Acting, Solid Matrix
Description
Axial Leaded
Fast Acting, Solid Matrix Construction
High Temperature Thermoplastic Body, UL 94 VO
Tin-lead plated copper Lead Wires, .025" diameter
ELECTRICAL CHARACTERISTICS
% of Amp Rating (0-10A) Opening Time
100% 4 hours minimum
250% 5 seconds maximum
Agency Information
Terminal Strength: MIL-STD-202, Method 211, Test
UL Recognition Guide & File Numbers:
Condition A, will withstand 7 lb. axial pull test.
JDYX2 & E19180
Thermal Shock: MIL-STD-202, Method 107, Test
CSA Certification File & Class Numbers: 053787 C 00 &
Condition B, -65C to 125C
1422 30 (0 - 1/8A); 053787 C 00 & 1422 01 (1/4A - 8A)
Thermal Cycle: EIA-STD-RS-186-C, Test Condition A,
Ordering
-55C to 85C
Vibration: MIL-STD-202, Method 204, Test Condition C,
Specify product code and packaging code
(55 to 2000 HZ, 10Gs peak)
Environmental Data
Wave Soldering: Maximum reservoir temperature
Life Test: 2000 hours at 80% rated current, 55C
260C, 10 second maximum exposure, .125" from body.
Moisture Resistance: MIL-STD-202, Method 106, 90%
mm
relative humidity at 65C.
Dimensions (inches)
0.005"
Operating Temperature: -55C to 125C with proper fuse
*All tolerances:
0.13mm
derating
1.13" 1.13"
Resistance to Soldering Heat: MIL-STD-202, Method
28.58mm 28.58mm
210, Test Condition C (260C)
.297"
.12"
Salt Spray: MIL-STD-202, Method 101, Test Condition B
7.54mm
3.10mm
Shock: MIL-STD-202, Method 213, Test Condition I,
100Gs for 6 milliseconds
.025"
Solderability: MIL-STD-202, Method 208 0.64mm
SPECIFICATIONS
2 2
Rated Interrupting Pre-arching Typical Total Clearing Typical Voltage
1 2 2 2 2
Product Voltage Rating I t (A sec) I t (A sec) Drop Volts at
Code AC DC AC DC AC DC AC DC 100% Rated
-6 -7 -6 -7
MCR-1/16 125V 125V 50A 300A 1.1 x 10 1.0 x 10 1.8 x 10 1.5 x 10 2.33
-6 -7 -6 -7
MCR-1/8 125V 125V 50A 300A 4.3 x 10 7.1 x 10 7.3 x 10 8.7 x 10 1.52
-5 -6 -4 -6
MCR-1/4 125V 125V 50A 300A 8.0 x 10 1.0 x 10 1.2 x 10 1.3 x 10 .76
-5 -6 -4 -6
MCR-3/8 125V 125V 50A 300A 9.7 x 10 6.7 x 10 1.1 x 10 8.3 x 10 .73
-4 -5 -3 -5
MCR-1/2 125V 125V 50A 300A 7.4 x 10 5.4 x 10 6.2 x 10 6.8 x 10 .65
-3 -5 -2 -5
MCR-3/4 125V 125V 50A 300A 1.3 x 10 7.4 x 10 7.5 x 10 9.2 x 10 .55
MCR-1 125V 125V 50A 300A .01 .01 .02 .01 .24
MCR-1 1/2 125V 125V 50A 300A .03 .02 .04 .03 .20
MCR-2 125V 125V 50A 300A .09 .07 .11 .08 .16
MCR-2 1/2 125V 125V 50A 300A .19 .14 .25 .17 .15
MCR-3 125V 125V 50A 300A .35 .28 .45 .32 .15
MCR-3 1/2 125V 125V 50A 300A .56 .37 .83 .43 .14
MCR-4 125V 125V 50A 300A .96 .67 1.37 .77 .13
MCR-5 125V 125V 50A 300A 1.82 1.34 2.53 1.51 .11
MCR-7 60V 90V 50A 300A 1.48 .49 2.02 .58 .10
MCR-10 60V 90V 50A 300A 3.62 1.16 4.41 1.38 .08
1. Interrupting ratings were measured at 100% (1/16 to 5) and 100% (7, 10) power factors on AC, and a time constant less than 1 ms. on DC.
2
2. I t was measured at 50 amps 125 VAC, .95PF, (random closing angle) and 300 amps 125 VDC, TC <1ms. for 1/16 through 5 amps and 50 amps 60 VAC, .95PF,
(random closing angle), and 300 amps 90 VDC, TC <1ms. for the 7 and 10 amp fuses.
NOTE: All values shown above are typical.
Device designed to carry rated current for four hours minimum. An operating current of 80% or less of rated current is recommended, with further derating required
at elevated ambient temperatures.
0210 BU-SB10142 Page 1 of 2 Data Sheet 2003