Page 2
Thick Film Chip Resistors
SEI
Type RMC
•
•
•
•
•
Surface Mount Devices (SMD)
Tolerances of
±1%
and
±5%
Temperature Coefficients as Low as
±100ppm/°C
Precision Performance – Space Saving Construction
Available from 0.1 ohm to 20 megohms
PERFORMANCE CHARACTERISTICS (TESTED PER MIL-STD-202)
ELECTRICAL(Operating Temperature Range: -55°C to +125°C)
TYPE
RMC 1/16S
Package Size
0402
Power Rating
(Watts)
1/16 @ 70°C
1/16
1
@ 70°C
Maximum
Working
Voltage
√PR
or 50V
whichever is
less
√PR
or 50V
whichever is
less
√PR
or 150V
whichever is
less
√PR
or 200V
whichever is
less
√PR
or 200V
whichever is
less
√PR
or 200V
whichever is
less
√PR
or 200V
whichever is
less
Maximum
Overload
Voltage
100V
Resistance
Temperature
Coefficient
±350ppm/°C
±200ppm/°C
±200ppm/°C
±350ppm/°C
±200ppm/°C
±350ppm/°C
±100ppm/°C
±350ppm/°C
±200ppm/°C
±350ppm/°C
±100ppm/°C
±350ppm/°C
±350ppm/°C
±200ppm/°C
±500ppm/°C
±100ppm/°C
±350ppm/°C
±350ppm/°C
±200ppm/°C
±350ppm/°C
±100ppm/°C
±350ppm/°C
±200ppm/°C
±100ppm/°C
±350ppm/°C
±200ppm/°C
±100ppm/°C
Resistance
Range
6
1.0Ω – 9.1Ω
10Ω – 10M
10Ω – 1M
1.0Ω – 9.1Ω
10Ω – 1M
1.1M – 22M
1.0Ω – 4.7M
0.1Ω – 9.1Ω
10Ω – 1M
1.1M – 22M
0.3Ω – 1M
1.02M – 10M
0.1Ω – 9.1Ω
10Ω – 1M
1.1M – 24M
0.3Ω – 1M
1.02M – 10M
0.1Ω – 9.1Ω
10Ω – 1M
1.1M – 22M
0.1Ω – 10M
0.1Ω – 9.1Ω
10Ω – 22M
0.1Ω – 10M
0.1Ω – 9.1Ω
10Ω – 22M
0.1Ω – 1M
Tolerance
±5%
±5%
±1%
±5%
±5%
±5%
±1%
±5%
±5%
±5%
±1%
±1%
±5%
±5%
±5%
±1%
±1%
±5%
±5%
±5%
±1%
±5%
±5%
±1%
±5%
±5%
±1%
Current Rating
of Jumper
5
1A max.
RMC 1/16
0603
100V
1A max.
RMC 1/10
0805
1/10
2
@ 70°C
300V
2A max.
RMC 1/8
1206
1/8
3
@ 70°C
400V
2A max.
RMC 1/4
1210
1/4 @ 70°C
400V
3A max.
RMC 1/2
2010
1/2
4
@ 70°C
400V
3A max.
RMC 1
2512
1 @ 70°C
400V
3A max.
DIMENSIONS:
FEATURE
L – Body Length
W – Body Width
H – Body Height
a – Top Termination
b – Bottom Termination
Inches (mm)
RMC 1/10
.078
RMC 1/16S
.039 +.004/-.002 (1.00 +0.10/-0.05)
.020 +.004/-.002 (0.50 +0.10/-0.05)
.014
.063
RMC 1/16
±
.004 (1.60
±
0.10)
±
.004 (0.45
±
0.10)
±
.004 (0.25
±
0.10)
.031 +.006/-.002 (0.80 +0.15/-0.05)
.018
.010
RMC 1/8
.122
±
.002 (0.35
±
0.05)
.008
±
.004 (0.20
±
0.10)
.010 +.008/-.004 (0.25 +0.20/-0.10)
±
.008 (2.00
±
0.20)
.049
±
.008 (1.25
±
0.20)
.018
±
.004 (0.45
±
0.10)
.016
±
.008 (0.40
±
0.20)
.012 +.008/-.004 (0.30 +0.20/-0.10)
±
.004 (3.10
±
0.10)
.061
±
.004 (1.55
±
0.10)
.021 +.004/-.002 (0.55 +0.10/-0.05)
.018
±
.008 (0.45
±
0.20)
.012 +.008/-.004 (0.30 +0.20/-0.10)
.012 +.008/-.004 (0.30 +0.20/-0.10)
FEATURE
L – Body Length
W – Body Width
H – Body Height
a – Top Termination
b – Bottom Termination
.122
.100
RMC 1/4
±
.004 (3.10
±
0.10)
±
.004 (2.55
±
0.10)
±
.008 (0.45
±
0.20)
.197
.098
RMC 1/2
±
.008 (5.00
±
0.20)
±
.008 (2.50
±
0.20)
.021
±
.004 (0.55
±
0.10)
.020
±
.008 (0.50
±
0.20)
.020
±
.008 (0.50
±
0.20)
.248
.124
RMC 1
±
.008 (6.30
±
0.20)
±
.008 (3.15
±
0.20)
.021
±
.004 (0.55
±
0.10)
.020
±
.008 (0.50
±
0.20)
.020
±
.008 (0.50
±
0.20)
.021 +.004/-.002 (0.55 +0.10/-0.05)
.018
.012 +.008/-.004 (0.30 +0.20/-0.10)
SEI Electronics Inc.
•
P.O. Box 58789
•
Raleigh, NC 27658-8789
•
Telephone: (919) 850-9500
•
FAX: (919) 850-9504
Toll Free: (888) SEI-SEI-SEI
•
www.seielect.com
•
email: marketing@seielect.com
•
ISO 9002 / QS 9000 Registered
Rev. 12/00
Page 3
Thick Film Chip Resistors
SEI
Type RMC
PERFORMANCE CHARACTERISTICS
ENVIRONMENTAL
Moisture Resistance, Thermal Shock
Low Temperature Exposure
Load Life
Load Life in Moisture
Vibration
Resistance to Soldering Heat
Solderability
Heat
Adhesion Curing
Resistance
Dry Heat
Terminal
Strength
Pull
Board Bending
Specification Requirement
±(1%
+0.05Ω), No Mechanical Damage
±(3%
+0.1Ω), No Mechanical Damage
<1meg
±(3%
+0.1Ω),
≥1meg ±5%
<1meg
±(3%
+0.1Ω),
≥1meg ±5%
±(1%
+0.05Ω), No Mechanical Damage
±(1%
+0.05Ω), No Mechanical Damage
min. 95% coverage
±(1%
+0.05Ω)
±(3%
+0.1Ω), No Mechanical Damage
±(1%
+0.05Ω), No Mechanical Damage
±(1%
+0.05Ω), No Mechanical Damage
No insulation breakdown
±(1%
+0.05Ω), No evidence of arc
1,000 meg minimum
+0/-100ppm/V (above 1K±)
Tested per EIA J-RC-2690A
-55°C to +125°C, 5 cycles
-55°C, 1,000 hours
70°C, rated voltage, 1.5hr on/0.5hr off, 1000 hrs
40°C, 95% R.H., 1.5hr on/0.5hr off, 1,000 hrs
10-55 Hz, 3 direction, each 2 hours
270°C, 10 seconds
230°C, 3 seconds, flux applied
1
+150°C, 10 minutes
-125°C, 1,000 hours
500G load, 30 seconds
1/45mm bend, 10 seconds
500V, 1 minute
2 /
2
times rated voltage, 5 seconds
500V, 1 minute
Rated voltage & 1/10 times rated voltage
1
Typical
Within
±0.2%
Within
±0.5%
See graph
See graph
Within
±0.1%
See graph
More than 97%
Within
±0.3%
Within
±0.5%
Within
±0.2%
Within
±0.2%
Above 900V
Within
±0.4%
Above 10
6
meg
Within -90ppm/V
Dielectric Withstanding Voltage
Short Time Overload
Insulation Resistance
Voltage Coefficient
Note 1. Maximum solder flow process “Normal” 275°C, 30 seconds or the “SM10” process @ 310°C for 10 seconds.
MATERIALS
Feature
Substrate
Resistive Film
Coating
Terminations
Material
Alumina Porcelain
Ruthenium-Oxide Film
Boro-Silicated Acid Lead Glass
90/10 Tin-Lead (Electrical Plated) over
Nickel (Electrical Plated) over
AG-PD (Silver-Palladium[Glaze Printed])
Remarks (Reference Only)
Purity 96% min.
20 Microns Thick
20 Microns Thick
3 Microns Thick
3 Microns Thick
8 Microns Thick
MARKING
Marking
5% 3-digit
0603*
0805
1206
1210
2010
2512
1% 4-digit
0805
1206
1210
2010
2512
Resistance value in three-digit designation system is marked
on the glasscoat. Illustrated is a resistor of 15KΩ. Four-digit
resistance designation system is applied to RMC 1/8 and E-96
Series. For example, 1502 designated 15KΩ. (The last digit
specifies the number of zeros.)
* For 1%, a 3-digit alpha-numeric
marking system is used. Contact
factory for details.
ORDERING INFORMATION
RMC
1/16
1K
1%
NOTES
1. RMC 1/16 is Dual Rated at 1/10W.
2. RMC 1/10 is Dual Rated at 1/8W.
3. RMC 1/8 is Dual Rated at 1/4W.
4. RMC 1/2 is Dual Rated at 3/4W.
5. Zero ohm (0.05Ω max.) jumper available in all sizes.
6. Contact factory for additional resistance values.
Type
Wattage
Resistance
Tolerance
SEI Electronics Inc.
•
P.O. Box 58789
•
Raleigh, NC 27658-8789
•
Telephone: (919) 850-9500
•
FAX: (919) 850-9504
Toll Free: (888) SEI-SEI-SEI
•
www.seielect.com
•
email: marketing@seielect.com
•
ISO 9002 / QS 9000 Registered
Rev. 12/00
Page 4
Thick Film Chip Resistors
SEI
Type RMC
PERFORMANCE CURVES
Power - Temperature Derating
Current Noise
NOTE: RNC is Thin Film (see page 14)
Load Life in Moisture (1,000 hrs)
Load Life (1,000 hrs)
High Frequency Characteristics
Resistance to Soldering Heat
SEI Electronics Inc.
•
P.O. Box 58789
•
Raleigh, NC 27658-8789
•
Telephone: (919) 850-9500
•
FAX: (919) 850-9504
Toll Free: (888) SEI-SEI-SEI
•
www.seielect.com
•
email: marketing@seielect.com
•
ISO 9002 / QS 9000 Registered
Rev. 12/00
Page 5
Thick Film Chip Resistors
SEI
Type RMC
PERFORMANCE CURVES
Surface Temperature Rise vs. Load – RMC-1/10
Surface Temperature Rise vs. Load – RMC-1/8
Surface Temperature Rise vs. Load – RMC-1/4
Surface Temperature Rise vs. Load – RMC-1/2
Surface Temperature Rise vs. Load – RMC-1
SEI Electronics Inc.
•
P.O. Box 58789
•
Raleigh, NC 27658-8789
•
Telephone: (919) 850-9500
•
FAX: (919) 850-9504
Toll Free: (888) SEI-SEI-SEI
•
www.seielect.com
•
email: marketing@seielect.com
•
ISO 9002 / QS 9000 Registered
Rev. 07/98
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