Precision Mil-Qualified
Metal Glaze™ Resistor
RN Series
Spiraled or laser
helixed to
resistance value,
tolerance
·
·
·
·
1/8 watt to 1/2 watt
10 ohms to 1M ohms
0.1% to 1% tolerance
MIL-R-10509 25 ppm/ꢀ° to 100
High temperature
soldered termination-lead
assembly
Digital marking per
MIL-R-10509
Tough molded jacket
Metal Glaze thick film
element fired at 1000°C to
solid ceramic core
Tin-lead electroplated copper leads
Electrical Data
Resistance
Range
(ohms%
Tolerance
(±±%
T.C.
(ppm/°C%
Power Rating
(watts%
Nominal
Size
Max Voltage
Rating
MIL Type
Marking
RN50C*
Stamp
Stamp
Stamp
Stamp
Stamp
Stamp
Stamp
1
50
100
50
1/20 @ 125°C
1/8 @ 70°C
10 to 100K
10 to 301K
1/8W
1/4W
1/4W
1/4W
1/2W
1/2W
1/2W
200
200
200
200
300
250
250
RN55D
RN55C
RN55E
RN60D
RN60C
RN60E
1
0.1, 0.5, 1
0.1, 0.5, 1
1
1/10 @ 125°C 49.9 to 100K
1/10 @ 125°C 49.9 to 100K
25
100
50
1/4 @ 70°C
1/8 @ 125°C
1/8 @ 125°C
10 to 1M
0.1, 0.5, 1
0.1, 0.5, 1
49.9 to 499K
49.9 to 499K
25
* Conformally coated construction on all 1/8 nominal sizes.
Environmental Data
MIL-R-10509 Test
Limits Allowed
RN55 Max.
±'R (±ꢀV%
Test Conditions
RN55 (D%
RN55 (C%
T0-55
T2-55
Temperature Coefficient (ppm/°C%
Low Temperature Operation
Temperature Cycling
+200/-500
±0.50%
±0.50%
±1.50%
±0.50%
±1.00%
±0.20%
±0.50%
±0.50%
±0.50%
N/A
±50
±100
±50
±0.25%
±0.25%
±0.50%
±0.25%
±0.50%
±0.20%
±0.10%
±0.25%
±0.25%
N/A
±0.10%
±0.10%
±0.50%
±0.10%
±0.30%
±0.05%
±0.10%
±0.05%
±0.05%
±0.50%
±0.50%
±0.10%
±0.10%
±0.50%
±0.10%
±0.20%
±0.05%
±0.10%
±0.05%
±0.05%
±0.50%
±0.50%
Moisture Resistance
Short Time Overload
Load Life (70°C-1/2W, 125°C-1/100W% 1000 hours
Terminal Strength
Effect of Soldering
Shock
Vibration
High Temperature Exposure (150°C No Load%
2X Rated Power for 10,000 hours @ 70°C
Temperature Rise @ 1/4W Power Load
Dielectric Strength
N/A
N/A
-
-
See Temperature Rise Chart
±0.05% ±0.05%
±0.50%
±0.25%
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
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03. 12
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