recision Mil-Qualified
Precision Mil-Qualified
etal
Metal Glaze™ Resistor
Glaze™ Resistor
RN Series
High temperature
soldered termination-lead
assembly
Spiraled or laser
helixed to
resistance
value,
tolerance
Precision Mil-Qualified
·
1/8 watt to 1/2 watt
Series
·
10 ohms to 1M ohms
Metal
1% tolerance
Resistor
Glaze™
watt
to 1/2
·
0.5% to
watt
·
MIL-R-10509 ±25 ppm/°C to ±100
ohms to 1M ohms
•
10 ohms to 1M ohms
•
0.1% to 1% tolerance
•
MIL-R-10509 ±25 ppm/°C to ±100
% to 1% tolerance
RN Series
High temperature
soldered termination-lead
assembly
Spiraled or laser
helixed to
resistance
value,
tolerance
Digital marking per
MIL-R-10509
Tough
molded jacket
•
1/8
watt
to 1/2
watt
-R-10509 ±25 ppm/°C to ±100
Metal Glaze thick film
element fired at 1000°C to
solid ceramic core
Digital marking per
MIL-R-10509
Tough
molded jacket
Tin-lead electroplated copper leads
Metal Glaze thick film
element fired at 1000°C to
solid ceramic core
Tin-lead electroplated copper leads
ctrical Data
MIL Type
RN50C*
L Type
Electrical Data
Tolerance
Marking
(±%)
1
1
Marking
Stamp
Stamp
0C*
Stamp
Tolerance
(±%)
1
1
T.C.
(ppm/°C)
50
50
T.C.
(ppm/°C)
Resistance
Power Rating
Nominal
Max Voltage
Range
(watts)
Size
Rating
Resistance
Power Rating
Max Voltage
(ohms)
Nominal
Range
1/20 @ 125°C
1/20 @ 125°C
(watts)
(ohms)
5D
Stamp
RN55D
RN55C
RN55E
RN60D
RN60E
100
100
1/8
@ 70°C
1/8
@ 70°C
10 to
10 to 301K
10 to 100K
10 to 100K
Size
301K
1/4W
1/8W
1/8W
Rating
200
200
200
1/4W
200
5C
5E
0D
Stamp
RN60C
Stamp
1
1
100
100
1/4 @ 70°C
1/4 @ 70°C
10 to 1M
10 to 1M
1/2W
1/2W
300
300
0C
0E
* Conformally coated construction on all 1/8 nominal sizes.
mally coated construction on all 1/8 nominal sizes.
Environmental
Data
Test Conditions
MIL-R-10509 Test
Limits Allowed
RN55 (D)
RN55 (C)
T0-55
±100
±0.10%
+200/-500
MIL-R-10509
±50
Test
RN55 Max.
%∆R (±3σ)
T2-55
±50
RN55 Max.
%∆R
±0.10%
(±3σ)
vironmental Data
Temperature Coefficient (ppm/°C)
Conditions
Temperature Operation
Low
Temperature Cycling
Limits
±0.50%
RN55 (D)
±0.50%
±1.50%
+200/-500
±0.50%
±1.00%
Allowed
±0.25%
RN55
±0.25%
±0.25%
±0.50%
(C)
±0.10%
±0.50%
±0.10%
±0.30%
±0.05%
±0.10%
±0.05%
±0.05%
±0.50%
±0.50%
T0-55
±0.10%
±100
±0.50%
±0.10%
±0.20%
T2-55
±50
±0.10%
±0.10%
±0.50%
±0.10%
±0.20%
±0.05%
±0.10%
±0.05%
Moisture Resistance
perature Coefficient (ppm/°C)
Short Time Overload
Load Life (70°C-1/2W, 125°C-1/100W) 1000 hours
±0.50%
±50
Temperature Operation
±0.50%
±0.25%
±0.10%
perature Cycling
Strength
Terminal
Shock
±0.50%
±0.20%
±0.50%
±1.50%
±0.50%
±0.50%
±0.25%
±0.20%
±0.10%
±0.25%
±0.25%
±0.10%
±0.05%
±0.50%
±0.10%
±0.10%
±0.05%
±0.05%
Effect of
sture Resistance
Soldering
Vibration
±0.50%
±0.25%
rt Time Overload
±0.50%
±1.00%
N/A
±0.20%
N/A
-
d Life (70°C-1/2W, 125°C-1/100W)
(150°C
hours
High Temperature Exposure
1000
No Load)
2X Rated Power for 10,000 hours @ 70°C
Temperature Rise @ 1/4W Power Load
±0.50%
N/A
N/A
-
±0.30%
±0.50%
±0.05%
±0.50%
minal Strength
±0.20%
±0.10%
±0.25%
±0.25%
N/A
ct of Soldering
Dielectric Strength
General Note
±0.50%
±0.50%
±0.50%
±0.50%
N/A
See
Temperature
Rise Chart
±0.05%
±0.25%
±0.10%
±0.05%
±0.05%
±0.05%
ck
ation
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject
General Note
to IRC’s own data and is considered accurate at time of going to print.
h Temperature Exposure (150°C No Load)
© TT electronics plc
TT electronics reserves the right to make changes
South Staples Street • Corpus
Christi Texas
notice or liability.
Wire and Film Technologies Division
• 4222
in product specification without
78411 USA
Telephone:
361 992
is subject to
361 992 3377 •
Website:
data and is
All information
7900 •
Facsimile:
TT electronics’ own
www.irctt.com
considered accurate at time of going to print.
A subsidiary of
TT electronics plc
±0.05%
±0.50%
±0.50%
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
RN Series Issue March 2009 Sheet 1 of 2
±0.50%
Rated Power for 10,000 hours @ 70°C
N/A
N/A
±0.50%
10.13
Precision Mil-Qualified
Metal Glaze™ Resistor
Precision Mil-Qualified
Metal Glaze™ Resistor
RN Series
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)
0.025 ±0.002
(0.64 ±0.05)
Clean Lead
0.225
(5.7)
0.310
(7.9)
0.450
(11.4)
1/4 watt
1/2 watt
MIL Spec. Power Derating Chart
% Of MIL Spec. Rated Power
100
80
60
40
20
0
0
125
150
165
175
RN55D, 60D
RN55C, 60C
& 50C, RN55E,
60E
Ordering Data
Sample Part No.
MIL Style
RN
55
D
1002
F
RL = Fixed Film Resistor
High stability
Power Rating
50 = 1/20 watt
55 = 1/10 watt
60 = 1/8 watt
T.C. Characteristics
D = ±100ppm/°C
C = ±50ppm/°C
E = ±25ppm/°C
Resistance
Ambient Temperature (°C)
First three digits represent significant figures;
fourth digit is number of zeros.
Tolerance
F = ±1%, D = ±0.5%
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
RN Series Issue March 2009 Sheet 2 of 2
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.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
10.13
