Electrical Data
Environmental Data
SMC Series
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Notes:
1
General Note
IRC reserves the right to make changes in product specifi cation without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Cylindrical Surface Mount
Metal Glaze™ Compliant
Terminal Resistors
For tolerances below ±1%, please contact factory.
Characteristics
Temperature Coeffi cient (ppm/°C)
Thermal Shock
Low Temperature Operation
Short Time Overload
High Temperature Exposure
Resistance to Bonding
Solderability
Moisture Resistance
Life Test
Terminal Adhesion Strength
Resistance to Board Bending
Operating Temperature
Lead free, RoHS compliant
Uses standard IRC 2512, 3610 solder pads
Ideal for automotive and other harsh thermal applications
Uncompromising Metal Glaze™ performance gives excellent
Capped terminals provide mechanical compliance-relief from
surge performance
board vs. component TCE mismatch
SMC-1
SMC-2
Type
IRC
Footprint
Standard
Industry
2512
3610
Rating @ 70°C
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
(Watts)
Power
1.0
2.0
Maximum Change
As specifi ed
±0.5% +0.01Ω
±0.25% +0.01Ω
±0.5% +0.01Ω
±1% for (R>100KΩ)
±0.5% +0.01Ω
±0.25% +0.01Ω
95% minimum coverage
±0.5% +0.01Ω
±0.5% +0.01Ω
±1% +0.01
no mechanical damage
±1% +0.01
no mechanical damage
Resistance
0.5 to 1M
0.5 to 2M
(Ohms)
Range
Tolerance
1, 2, 5
1, 2, 5
(±%)
1
Test Method
MIL-PRF-55342E Par 4.7.9
(-55°C to +125°C)
MIL-PRF-55342E Par 4.7.3
(-65°C to +150°C)
MIL-PRF-55342E Par 4.7.4
(-65°C @ working voltage)
MIL-PRF-55342E Par 4.7.5
(2.5 x
MIL-PRF-55342E Par 4.7.6
(+150°C for 100 hours)
MIL-PRF-55342E Par 4.7.7
(Refl ow soldered to board @ 260°C for 10 seconds)
MIL-STD-202, Method 208
(245°C for 5 seconds)
MIL-PRF-55342E Par 4.7.8
(10 cycles, total 240 hours)
MIL-PRF-55342E Par 4.7.10
(2000 hours @ 70°C intermittent)
1200 gram push from underside of
mounted chip for 60 seconds
Chip mounted in center of 90mm long board,
defl ected 5mm so as to exert pull on chip contacts
for 10 seconds
-55°C to +150°C
(±ppm/°C)
√
TCR
100
100
PxR for 5 seconds)
Operating
Voltage
350
500
(V)
SMC Series Issue April 2009 Sheet 1 of 3
Maximum
Voltage
1000
650
(V)
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