Established Reliability
Mil-Qualified
Metal Glaze™ Resistor
RLR Series
•
•
•
•
•
1/8 watt to 1/2 watt
TCR of ±100 ppm/°C
1% and 2% tolerance
4.3 ohms to 3.01M ohms
MIL-R-39017 approved to "S" level
High temperature
soldered termination-lead
assembly
Spiraled or laser
helixed to
resistance value,
tolerance
Digital marking per
MIL-R-39017
Tough molded jacket
Metal Glaze thick film element
fired at 1000°C to solid
ceramic core
Tin-lead electroplated copper leads
Electrical Data
MIL
Type
RLR05/S*
RLR07/S
RLR20/S
Marking
Stamp
Stamp
Stamp
Tolerance
(±%)
1, 2
1, 2
1, 2
T.C.
(ppm/°C)
100
100
100
Power Rating
(watts)
1/8 @ 70°C
1/4 @ 70°C
1/2 @ 70°C
Resistance
Range
(ohms)
10 to 301K
10 to 3.01M
4.3 to 3.01M
Nominal
Size
1/8W
1/4W
1/2W
Max Voltage
Rating
200
250
350
* Conformally coated construction on all 1/8 nominal sizes.
Environmental Data
Test Conditions
Temperature Coefficient (ppm/°C)
Low Temperature Operation
Thermal Shock
Moisture Resistance
Short Time Overload
Load Life (70°C --- 1/4W) 1000 hours
Terminal Strength
Effect of Soldering
Shock
Vibration
High Temperature Exposure (150°C No Load)
Temperature Rise @ 1/4W Power Load
Dielectric Strength
MIL-R-22684 Test
Limits Allowed
±100
±0.25%
±0.25%
±1.00%
±0.50%
±4.00%
±0.25%
±0.25%
±0.50%
±0.50%
±2.00%
-
±0.25%
RL07 Max.
%∆R (±3σ)
±100
±0.05%
±0.15%
±0.50%
±0.15%
±0.50%
±0.05%
±0.10%
±0.05%
±0.05%
±0.50%
See Temperature Rise Chart
±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.
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
RLR Series Issue November 2008 Sheet 1 of 3
Established Reliability
Mil-Qualified
Metal Glaze™ Resistor
Physical Data
LL
BL
LD
BD
Dimensions (Inches and (mm))
Nominal
Size
1/8 watt
Body Length
BL
0.150 ±0.020
(3.8 ±0.5)
0.250 ±0.015
(6.4 ±0.4)
0.390 ±0.010
(9.9 ±0.3)
Body Diameter
BD
0.066 ±0.008
(1.7 ±0.2)
0.090 ±0.008
(2.3 ±0.2)
0.140 ±0.008
(3.6 ±0.2)
Lead Length
LL
1.00 ±0.125
(25.4 ±3.2)
1.50 ±0.125
(38.1 ±3.2)
1.50 ±0.125
(38.1 ±3.2)
Lead Diameter
LD
0.016 ±0.002
(0.41 ±0.05)
0.025 ±0.002
(0.64 ±0.05)
0.032 ±0.002
(0.81 ±0.05)
Clean Lead
0.187
(4.7)
0.300
(7.6)
0.450
(11.4)
1/4 watt
1/2 watt
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 2 of 3
Established Reliability
Mil-Qualified
Metal Glaze™ Resistor
MIL Spec. Power Derating Chart
% Of MIL Spec. Rated Power
100
80
60
40
20
0
0
125
150
165
175
RLR
Ambient Temperature (°C)
Ordering Data
Sample Part No.
MIL Style
RLR
20
C
1001
F
S
RL = Fixed Film Resistor.
Established reliability.
Power Rating
05 = 1/8 watt
07 = 1/4 watt
20 = 1/2 watt
Lead Material
C = Solderable/weldable leads
Resistance
First three digits represent significant figures;
fourth digit is number of zeros.
Tolerance
F = ±1%, G = ±2%
Failure Rate
S = 0.001% for 1000 hours (60% confidence)
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 3 of 3
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