Resistors
Cylindrical Surface Mount MetalGlaze™
Compliant-Terminal Resistors
Cylindrical
SMC Series
SMC Series
Surface Mount
Metal Glaze™
Lead free, RoHS compliant
Compliant-Terminal Resistors
pads
Uses standard IRC 2512, 3610 solder
Ideal for automotive and other harsh thermal applications
•
Lead free, RoHS compliant
Uncompromising Metal Glaze™ performance gives
•
Uses standard IRC 2512, 3610 solder pads
•
Ideal for automotive and other harsh thermal applications
excellent surge performance
•
Uncompromising Metal Glaze™ performance gives excellent
surge performance
Capped terminals provide mechanical compliance-relief
from board vs. component TCE mismatch
•
Capped terminals provide mechanical compliance-relief from
All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
board vs. component TCE mismatch
Electrical Data
IRC
Type
SMC-1
SMC-2
Industry
Standard
Footprint
2512
3610
Power Rating
(Watts)
1.0 @ 70°C
2.0 @ 25°C
1.33 @ 70°C
Resistance
Range
(Ohms)
1.0 to 10
Ω
≥
10 - 1 MΩ
1.0 to 10
Ω
≥
10 - 1 MΩ
Tolerance
(±%)
1
5
1, 2, 5
5
1, 2, 5
TCR
(±ppm/°C)
200
100
200
100
Operating
Voltage
(V)
350
500
Maximum
Voltage
(V)
700
1000
Notes:
1
For tolerances below ±1%, please contact factory.
Environmental Data
Characteristics
Temperature Coefficient (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
Maximum Change
As specified
±2.0% +0.01Ω
(R
≤
10Ω)
±1.0% +0.01Ω
(R > 10Ω)
±1.0% +0.01Ω
(R
≤
10Ω)
±0.5% +0.01Ω
(R > 10Ω)
±1.0% +0.01Ω
(R
≤
10Ω)
±0.5% +0.01Ω
(R > 10Ω)
±1.0% +0.01Ω
(R
≤
10Ω)
±0.5% +0.01Ω
(R > 10Ω)
±1.0% +0.01Ω
(R
≤
10Ω)
±0.5% +0.01Ω
(R > 10Ω)
95% minimum coverage
±1.0% +0.01Ω
(R
≤
10Ω)
±0.5% +0.01Ω
(R > 10Ω)
±1.0% +0.01Ω
(R
≤
10Ω)
±0.5% +0.01Ω
(R > 10Ω)
±1% +0.01
no mechanical damage
±1% +0.01
no mechanical damage
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
√
PxR for 5 seconds)
MIL-PRF-55342E Par 4.7.6
(+150°C for 100 hours)
MIL-PRF-55342E Par 4.7.7
(Reflow 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,
deflected 5mm so as to exert pull on chip contacts
for 10 seconds
-55°C to +150°C
General Note
General Note
IRC reserves the right to make changes in product specification without notice or liability.
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
BI Technologies IRC Welwyn
A subsidiary of
TT electronics plc
http://www.ttelectronics.com/resistors
SMC Series Issue March 2010 Sheet 1 of 3
© TT Electronics plc
04.17
Cylindrical Surface Mount
Metal Glaze™ Compliant-Terminal Resistors
Cylindrical Surface Mount
Metal Glaze™ Compliant
SMC Series
Terminal Resistors
L
C
Physical Data
W
Dimensions (Inches and (mm))
Industry
Footprint
2512
3610
IRC Type
L
(Length)
0.250 ±0.010
(6.35 ±0.25)
0.367 ±0.010
(9.32 ±0.25)
W
(Width/Diameter)
0.122 ±0.003
(3.10 ±0.08)
0.122 ±0.003
(3.10 ±0.08)
C
(Termination Width)
0.060 ±0.010
(1.50 ±0.25)
0.060 ±0.010
(1.50 ±0.25)
SMC-1
SMC-2
Recommended Solder Pad Dimensions (Reflow):
F
A
C
A
B
E
D
Industry
Footprint
2512
3610
Dimensions (Inches and mm))
A
0.121
(3.07)
0.170
(4.32)
B
0.126
(3.20)
0.160
(4.06)
C
0.127
(3.23)
0.213
(5.41)
D
0.183
(4.65)
0.273
(6.93)
E
0.040
(1.02)
0.044
(1.12)
F
0.369
(9.37)
0.553
(14.05)
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
SMC Series Issue March 2010 Sheet 2 of 3
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
04.17
Cylindrical Surface Mount
Metal Glaze™ Compliant-Terminal Resistors
Cylindrical Surface Mount
Metal Glaze™ Compliant
SMC Series
Terminal Resistors
for Non-repetitive or Low Repetition Rate Surges
1,000,000
1,000,000
Surge Capabilities
SMC SERIES SURGE CAPABILITY
SMC SERIES SURGE CAPABILITY
for Repetitive Surges
100,000
Peak Power (Watts)
Peak Power (Watts)
SM
C-2
SM
C-1
100,000
10,000
10,000
1,000
1,000
SMC-2
100
100
SMC-1
10
10
1
1.0E-9
1
1.0E-06
1.0E-03
1.0E-00
1.0E-4
1.0E-03
1.0E-02
1.0E-01
1.0E+00
Surge or Pulse Duration (Seconds)
Surge or Pulse Duration (Seconds)
Power Derating Curve
120
% Of Rated Power
100
80
SMC-2
SMC-1
Standard Reel Packaging per EIA-481:
Industry
Footprint
SMC-1
2512
SMC-2
3610
Reel
Diameter*
7″
13"
13″
Quantity
Per Reel
750
2,500
2,000
Carrier Tape
Width
12mm
24mm
Component
Pitch
4mm
4mm
60
40
20
0
25
35
45
55
65
75
85
95
105 115 125 135 145
*The 13″ reel is considered standard and will be supplied unless otherwise specified.
Ambient Temperature (°C)
Ordering Data
Sample Part No.
IRC Type
SMC1
100
2003
F
LF
XXX
13
(SMC1 or SMC2)
Temperature Coefficient
(100 or 200 ppm)
Resistance Value
(First three significant figures plus fourth digit multiplier)
Example: 2203 = 220 KΩ
51R0 = 51
Ω
2R00 = 2.0
Ω
Tolerance
LF
F = ±1.0%, G = ±2.0%, J = ±5.0%
Provides clear "Lead Free" Designation
Specification Number (Optional)
Custom design identifier for non-standard products
Packaging Code
(7 = 7" Reel, 13 = 13" Reel)
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
SMC Series Issue March 2010 Sheet 3 of 3
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
04.17
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