RNCS Series — Anti-Corrosive Precision Thin Film Chip Resistors
Features
• Special passivation for moisture
sensitive applications
• Absolute TCR’s to ±25 ppm/°C
• Available in industry standard sizes
from 0201 to 2512
• Resistance range from 4.7Ω to 1MΩ
• Test proven immunity to humidity and
moisture corrosion
• Absolute tolerances to 0.1%
• Ideal replacement for costly Tantalum
Nitride resistors
• RoHS compliant / lead-free
The RNCS series employs a special manufacturing process to ensure high precision, ultra stable performance, and long
life in the harshest environments. In moisture comparison testing the RNCS series outperformed Nichrome Chip
Resistors and demonstrated the anti-corrosive claims characterized by Tantalum Nitride resistor products.
Electrical Specifications
Type / Code
Package
Size
0402
0603
0805
1206
2010
2512
Power Rating
(Watts) @ 70°C
0.063W
0.1W
0.125W
0.25W
0.5W
1.0W
Maximum
Working
Voltage*
50
75
100
150
150
150
Maximum
Overload
Voltage
100
100
150
300
300
300
Resistance
Temperature
Coefficient
±25 ppm/°C
±50 ppm/°C
±25 ppm/°C
±50 ppm/°C
±25 ppm/°C
±50 ppm/°C
±25 ppm/°C
±50 ppm/°C
±25 ppm/°C
±50 ppm/°C
±25 ppm/°C
Ohmic Range and Tolerance
0.1%
10Ω – 100K
4.7Ω – 332K
4.7Ω – 332K
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
0.5% & 1%
10Ω – 100K
4.7Ω – 332K
4.7Ω – 332K
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
4.7Ω – 1M
RNCS 10
RNCS 16
RNCS 20
RNCS 32
RNCS 57
RNCS 63
* Lesser of
√PR
or maximum working voltage.
How to Order
RNCS
SEI Type
20
Code
T9
TCR
4.75K
Nominal Resistance
0.5%
Tolerance
R
Packaging
Code
10
16
20
32
57
63
Wattage
0.063
0.100
0.125
0.250
0.500
1.000
Size
0.402
0603
0805
1206
2010
2512
TCR
T1 = 100ppm
T2 = 50ppm
T9 = 25ppm
Tolerance
0.1%
0.5%
1%
Values
E96,E24
E96,E24
E96,E24
Code
R
R (0402 only)
I*
Description
7" - Paper
7" - Paper
7" - Paper
Pkg Qty
5,000
10,000
1,000
*Not available in all sizes
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
15
email: marketing@seielect.com
RNCS Series — Anti-Corrosive Precision Thin Film Chip Resistors
Mechanical Specifications
Type / Code
RNCS 10
RNCS 16
RNCS 20
RNCS 32
RNCS 57
RNCS 63
L
Body Length
0.039 ± 0.002
1.00 ± 0.05
0.063 ± 0.008
1.60 ± 0.20
0.079 ± 0.008
2.00 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
0.193 ± 0.006
4.90 ± 0.15
0.246 ± 0.006
6.30 ± 0.15
W
Body Width
0.020 ± 0.002
0.50 ± 0.05
0.032 ± 0.008
0.80 ± 0.20
0.049 ± 0.008
1.25 ± 0.20
0.063 ± 0.008
1.60 ± 0.20
0.09 ± 0.006
2.40 ± 0.15
0.122 ± 0.006
3.10 ± 0.15
H
Body Height
0.014 ± 0.002
0.35 ± 0.05
0.016 ± 0.004
0.40 ± 0.10
0.016 ± 0.004
0.40 ± 0.10
0.020 ± 0.004
0.50 ± 0.10
0.024 ± 0.004
0.60 ± 0.10
0.024 ± 0.004
0.60 ± 0.10
a
Top Termination
0.008 ± 0.004
0.20 ± 0.10
0.012 ± 0.008
0.30 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.012
0.50 ± 0.30
0.024 ± 0.012
0.60 ± 0.30
0.024 ± 0.012
0.60 ± 0.30
b
Bottom Termination
0.010 ± 0.002
0.25 ± 0.10
0.012 ± 0.008
0.30 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.010
0.50 ± 0.25
0.020 ± 0.010
0.50 ± 0.25
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Performance Characteristics (JIS C 5202)
Test
Moisture Resistance, Thermal Shock
Load Life
Load Life in Moisture
Resistance to Soldering Heat
Solderability
Terminal Strength
Dielectric Withstanding Voltage
Short Time Overload
Insulation Resistance
Specification
±(0.25% +0.05Ω)
±(0.5% +0.05Ω)
±(0.5% +0.05Ω)
±(0.25% +0.05Ω)
min 95% coverage
±(0.2% +0.05Ω)
±(0.25% +0.05Ω)
±(0.25% +0.05Ω)
1MΩ minimum
Typical
≤0.1%
≤0.2%
≤0.25%
≤0.05%
≥0.95%
≤0.05%
≤0.05%
≤0.05%
≥1MΩ
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
16
email: marketing@seielect.com
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