Established Reliability
Mil-Qualified
Metal Glaze™ Resistor
RLR Series
Spiraled or laser
helixed to
resistance value,
tolerance
High temperature
soldered termination-lead
assembly
• 1/8 watt to 1/2 watt
• TCR of ±100 ppm/°C
Digital marking per
MIL-R-39017
Tough molded jacket
• 1% and 2% tolerance
• 4.3 ohms to 3.01M ohms
• MIL-R-39017 approved to "S" level
Metal Glaze thick film element
fired at 1000°C to solid
ceramic core
Tin-lead electroplated copper leads
Electrical Data
Resistance
Range
(ohms)
MIL
Tolerance
(±%)
T.C.
(ppm/°C)
Power Rating
(watts)
Nominal
Size
Max Voltage
Rating
Marking
Type
RLR05/S*
RLR07/S
RLR20/S
Stamp
Stamp
Stamp
1, 2
1, 2
1, 2
100
100
100
1/8 @ 70°C
1/4 @ 70°C
1/2 @ 70°C
10 to 301K
10 to 3.01M
4.3 to 3.01M
1/8W
1/4W
1/2W
200
250
350
* Conformally coated construction on all 1/8 nominal sizes.
Environmental Data
MIL-R-22684 Test
Limits Allowed
RL07 Max.
%∆R (±3σ)
Test Conditions
Temperature Coefficient (ppm/°C)
Low Temperature Operation
Thermal Shock
±100
±100
±0.25%
±0.25%
±1.00%
±0.50%
±4.00%
±0.25%
±0.25%
±0.50%
±0.50%
±2.00%
-
±0.05%
±0.15%
Moisture Resistance
±0.50%
Short Time Overload
±0.15%
Load Life (70°C --- 1/4W) 1000 hours
Terminal Strength
±0.50%
±0.05%
Effect of Soldering
±0.10%
Shock
±0.05%
Vibration
±0.05%
High Temperature Exposure (150°C No Load)
Temperature Rise @ 1/4W Power Load
Dielectric Strength
±0.50%
See Temperature Rise Chart
±0.25%
±0.05%
ESTABLISHED RELIABILITY MIL SPECIFICATIONS: RLR products listed above are qualified to the appropriate established reliability MIL Specification. In general, Metal Glaze units such as
these are specified for all RLR requirements.
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.
A subsidiary of
TT electronics plc
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
RLR Series Issue November 2008 Sheet 1 of 3