ESTABLISHED RELIABILITY MIL-QUALIFIED
™
METAL GLAZE™ RESISTOR
ISO-9001
Registered
RNC
SERIES
Digital marking per
MIL-R-55182
Spiraled or laser
helixed to resistance
value, tolerance
•
•
•
•
•
1/20 watt to 1/8 watt
10 ohms to 2M ohms
0.1%, 0.5%, and 1% tolerance
±25 ppm/°C to ±100 ppm/°C
MIL-R-55182 approved to S level
Tolerance
(±%)
1
1
1
0.1, 0.5, 1
0.5, 1
2
0.1, 0.5, 1
0.5, 1
0.1, 0.5, 1
2
2
High Temperature soldered
termination-lead assembly
Tough molded jacket
Metal Glaze thick film
element fired at 1000°C to
solid ceramic core
Tin-lead electroplated
copper leads
SPECIFICATIONS:
MIL Type
RNC50H/S
1
Marking
Stamp
Stamp
Stamp
Stamp
Stamp
Stamp
Stamp
Stamp
Stamp
T.C.
(ppm/°C)
50
25
100
50
100
25
50
100
25
MIL Power Rating
(watts)
1/20 @ 125°C
1/20 @ 125°C
1/20 @ 125°C
1/10 @ 125°C
1/10 @ 125°C
1/10 @ 125°C
1/8 @ 125°C
1/8 @ 125°C
1/8 @ 125°C
MIL Resistance
Range (ohms)
10 to 301K
10 to 301K
10 to 301K
10 to 2M
2
Nominal
Size
1/8W
1/8W
1/8W
1/4W
1/4W
1/4W
1/2W
1/2W
1/2W
Voltage
Rating
200
200
200
200
200
200
250
250
250
RNC50J/S
1
RNC50K/S
1
RNC55H/S
RNC55K/S
RNC55J/S
RNC60H/S
RNC60K/S
RNC60J/S
10 to 2M
2
10 to 2M
2
0.1, 0.5, 1
10 to 100K
10 to 100K
10 to 100K
NOTE: 1- Conformally coated construction on all 1/8W nominal sizes.
2- Only available in F tolerance above 1M ohm.
Environmental Conditions
Thermal Shock
Overload
Low Temperature Operation
Terminal Strength
Dielectric Withstanding Voltage
Resistance to Soldering Heat
Moisture Resistance
Shock, Medium Impact
Vibration, High Frequency
2.000 - Hour Life
10,000 - Hour Life
High Temperature Exposure
Maximum Change Per
MIL-R-55182
±0.20%
±0.20%
±0.15%
±0.20%
±0.15%
±0.10%
±0.40%
±0.20%
±0.20%
±0.50%
±2.00%
±0.50%
Typical IRC
Performance
±0.02%
±0.05%
±0.03%
±0.02%
±0.05%
±0.02%
±0.15%
±0.05%
±0.02%
±0.10%
±0.30%
±0.10%
ESTABLISHED RELIABILITY MIL
SPECIFICATIONS:
RNC products listed
above are qualified to the appropriate
established reliability MIL Specification. In
general, Metal Glaze™ units such as these
are specified for all RNC requirements.
HOW TO ORDER:
Sample Part No.:
RNC-55 H 7500 F S
MIL Style
RNC = Solderable/
weldable leads
Power Rating
DIMENSIONS
(Inches and (mm)):
50= 1/20 watt
55= 1/10 watt
60= 1/8 watt
T.C. Characteristics
Nominal
Size
1/8 watt
1/4 watt
1/2 watt
Body
Length BL
0.150±0.020
(3.8±0.5)
0.250±.015
(6.4±.4)
0.390±.010
(9.9±.3)
Body
Diameter BD
0.066±0.008
(1.7±0.2)
0.090±.008
(2.3±.2)
0.140±.008
(3.6±.2)
Lead
Length LL
1.00±0.125
(25.4±3.2)
1.50±.125
(38.1±3.2)
1.50±.125
(38.1±3.2)
Lead
Diameter LD
0.016±0.002
(0.41±0.05)
0.025±.002
(0.64±0.05)
0.025±.002
(0.64±0.05)
Clean Lead
0.187
(4.7)
0.300
(7.6)
0.450
(11.4)
K= ±100 ppm/°C
H= ±50 ppm/°C
J= ±25 ppm/°C
Resistance
First three digits represent significant
figures; fourth digit is number of zeros.
Tolerance
F=±1%, D= ±0.5%, B= ±0.1%
Failure Rate
S = 0.001% for 1000 hrs. (60% confidence)
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road
•
Boone, North Carolina 28607-1860
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Tel: 828-264-8861
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Fax: 828-264-8866
•
www.irctt.com
1
PCB Design
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