CMH Datasheet, PDF (2/3 Pages) IRC - a TT electronics Company. – Thick Film High Voltage/ High Reliability MIL-Approved Metal Glaze™ Resistors

Thick Film High Voltage/
High Reliability MIL-Approved
Metal Glaze™ Resistors
Physical Data
1.50 ± 0.125
BL
(38.1 ± 3.2)
IRC Advanced Film Division
*CMH 1/4 leads are
0.025 (0.64) in diameter
0.032 (0.81) DIA.*
BD
CL
Dimensions (Inches and (mm))
IRC Type
Body Length - BL
Body Diameter - BD
Clean Lead to Clean Lead - CL
CMH - 1/4
0.275 ± 0.031 (6.98 ± 0.79)
0.088 ± 0.010 (2.22 ± 0.25)
0.400 (10.16)
CMH - 1/2
0.400 ± 0.031 (10.16 ± 0.79)
0.138 ± 0.016 (3.51 ± 0.41)
0.525 (13.34)
CMH - 1
0.690 ± 0.062 (17.53 ± 1.57)
0.297 ± 0.031 (7.54 ± 0.79)
0.900 (22.86)
CMH - 2
1.062 ± 0.062 (26.97 ± 1.57)
0.297 ± 0.031 (7.54 ± 0.79)
1.250 (31.75)
CMH - 3
2.062 ± 0.062 (52.37 ± 1.57)
0.297 ± 0.031 (7.54 ± 0.79)
2.250 (57.15)
CMH - 5
3.062 ± 0.062 (77.77 ± 1.57)
0.297 ± 0.031 (7.54 ± 0.79)
3.250 (82.55)
Power Derating Curve
100
90
80
70
60
50
40
30
20
10
0
80
100 120 140 160 180
Ambient Temperature (°C)
Temperature Rise Chart
100
90
CMH 1/4
80
70 ^{CMH 1/2}
60
50 ^{CMH 1}
CMH 2-3
CMH 5
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90
Temperature Rise (°C)
Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: [phone] • Facsimile: 361 992 3377 • Website: www.irctt.com
CMH Series Issue September 2008 Sheet 2 of 3