IRCTT SPP11001J

Low-Cost General Purpose
Conformal Coated
Wirewound Resistor
SPP Series
Alloy resistance
wirewound on
fiberglass core
Mechanically crimped
termination assembly
• Coated or uncoated units
• Positive high TC’s upon request
• Color band standard identification
• Lower ranges available - contact factory
EIA/MIL color code:
first wide band indicates
wirewound construction,
blue indicator indicates
flameproof
• Weldable and solderable magnetic leads
Electrical Data
IRC Type
SPP-1
SPP-2
SPP-3
0.1Ω to 1200Ω
0.1Ω to 2400Ω
0.1Ω to 2400Ω
±5%, ±10%
±5%, ±10%
±5%, ±10%
Power Rating
1 watt @ 85°C
3/4 watt @ 105°C
1/2 watt @ 125°C
Derating to 0 @ 160°C
2 watt @ 85°C
1 watt @ 140°C
-----
3 watt @ 85°C
2 watt @ 145°C
1 watt @ 190°C
---
Load Life Stability
1 watt @ 85°C ± 10%
2 watt @ 85°C ± 10%
3 watt @ 85°C ± 10%
√PR
√PR
√PR
10,000 Meg
100 Meg
10,000 Meg
100 Meg
10,000 Meg
100 Meg
600V
600V
600V
Negligible
Negligible
Negligible
Approx. 150°C
Approx. 200°C
Approx. 225°C
Resistance - Std.
Tolerance - Std.
Max. Continuous
Working Voltage
Min. Insulation
Dry
Resistance
Wet
Min. Dielectric
Withstanding Volts
(RMS)
Current Noise
Temperature Rise at
Rated Load, 25°C Ambient
Temperature Coefficient
±600/°C
0.10Ω - 0.91Ω
±300/°C
1Ω - 1200Ω
±600/°C
0.10Ω - 0.91Ω
±300/°C
1Ω - 2400Ω
±600/°C
0.10Ω - 0.91Ω
±300/°C
1Ω - 2400Ω
Notes:
Unless specified otherwise, standard test centers are 1 ¾ inches.
General Note
IRC 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.
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
A subsidiary of
TT electronics plc
SPP Series Issue December 2008 Sheet 1 of 3
Low-Cost General Purpose
Conformal Coated
Wirewound Resistor
Environmental Data
Characteristics
Maximum Limits
Temperature Coefficient (ppm/°C)
SPP-1
±600/°C
±300/°C
0.10Ω - 0.91Ω
1.0Ω - 1200Ω
SPP-2
±600/°C
±300/°C
0.10Ω - 0.91Ω
1.0Ω - 2400Ω
SPP-3
±600/°C
±600/°C
0.10Ω - 0.91Ω
1.0Ω - 2400Ω
Thermal Shock
±5%
Low Shock
±5%
Short Time Overload
±5%
Commercial Short Time Overload
±5%
Resistance to Solder Immersion
±3%
Solderability
95% minimum coverage
Moisture Resistance
±5%
Life Test
±5%
Test Method
EIA Specification RS-344
Physical Data
A
max.
C
B
1.125
min.
Dimensions (Inches and (mm))
IRC Type
A
B
C ± .002
SPP-1
0.400 max.
0.148 max.
0.032
SPP-2
0.570 max.
0.170 max.
0.032
SPP-3
0.570 max
0.170 max.
0.032
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
SPP Series Issue December 2008 Sheet 2 of 3
Low-Cost General Purpose
Conformal Coated
Wirewound Resistor
Power Derating Curve
Temperature Rise Curve
300
80
Temperature Rise (°C)
Percent Rated Power
100
SPP-3
60
SPP-1, 2
40
20
0
0
50
100
150
200
250
300
SPP-3
200
SPP-2
100
SPP-1
Ambient Temperature (°C)
0
0
20
40
60
80
100
Percent Rated Power
Ordering Data
Sample Part No.
SPP
1
1001
J
IRC Type
Power
(See Electrical Data chart for other power ratings)
Resistance Value
Expressed in ohms
(Standard EIA/MIL values)
Tolerance
J = ±5%, K = ±10% standard
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
SPP Series Issue December 2008 Sheet 3 of 3