RNR/RNN
Vishay Angstrohm
Precision Hermetic Metal Film Resistors
Established Reliability “S” Level, MIL-PRF-55182 Characteristics E and C
FEATURES
•
Qualified to MIL-PRF-55182 Characteristics E and C
(E and J for RNR75).
•
Performance exceeds the requirements of MIL-PRF-55182.
•
Excellent long term stability.
•
“S” Level reliability.
•
Hermetic glass enclosure is impervious to harmful
environments.
•
Inert gas filled.
•
Low noise.
For the highest degree of reliability, stability and uniformity
of construction, Vishay Angstrohm hermetically-sealed
metal film resistors are unquestionably the first choice. The
true glass-to-metal hermetic enclosure seals the resistor
element in an inert gas atmosphere and protects it from
virtually all adverse environmental influences. The glass
enclosure will withstand in excess of 3000 psi external
pressure without leakage. The reliability and stability of
Vishay Angstrohm hermetically-sealed resistors have been
established by their use in nearly every military, missile,
aerospace and oceangraphy program having the most
demanding applications and the most hostile environments.
GENERAL SPECIFICATIONS
Resistance Range:
10.0
Ω
to 4.99M (see Table 1).
Standard values should be selected from the Resistance-
Tolerance Decade Table on page 11.
Tolerance:
±
0.1% (B),
±
0.5% (D),
±
1.0% (F).
Temperature Characteristics:
±
25ppm/°C (Characteristic E and J).
±
50ppm/°C (Characteristic C).
Power Ratings:
1/10, 1/8, 1/4, 1/2 and 1 watt - 125°C.
1/8, 1/4, 1/2, 3/4, and 2 watt - 70°C.
Power Derating:
For ambient temperatures above 125°C,
see Power Derating Curve.
Life Failure Rate:
S, R, P, M.
TABLE 1 - MODEL SELECTION / ELECTRICAL SPECIFICATION
MILITARY
MODEL
RNR55
RNN55
RNR57
1/8
RNN57
RNR60
1/8
RNN60
RNR65
1/4
RNN65
RNR70
1/2
RNN70
RNR75
1
RNN75
2
750
3/4
350
1/2
300
1/4
250
1/4
250
MILITARY
POWER RATING
125
°
C
70
°
C
1/10
1/8
MAXIMUM
WORKING
VOLTAGE
200
TEMPERATURE
CHARACTERISTIC
1
(PPM/
°
C)
E =
±
25
C =
±
50
E =
±
25
C =
±
50
E =
±
25
C =
±
50
E =
±
25
C =
±
50
E =
±
25
C =
±
50
E =
±
25
J =
±
25
RESISTANCE
TOLERANCE
(%)
B =
±
0.1
D =
±
0.5
F =
±
1.0
F =
±
1.0
B =
±
0.1
D =
±
0.5
F =
±
1.0
B =
±
0.1
D =
±
0.5
F =
±
1.0
B =
±
0.1
D =
±
0.5
F =
±
1.0
B =
±
0.1
D =
±
0.5
F =
±
1.0
QUALIFIED
RESISTANCE RANGE
2
Min.
Max.
10.0
Ω
49.9
Ω
10.0
Ω
24.9
Ω
24.9
Ω
49.9
Ω
1.21M
LIFE
FAILURE
RATE
S, R, P, M
200K
S, R, P, M
2.49M
S, R, P, M
4.99M
P, M
4.99M
P, M
1.21M
M
NOTE:
MODEL RNC: For characteristics E and C (per MIL-PRF-55182) terminal model RNR shall be used as a substitute.
1
Temperature Characteristics E and C designate hermetically-sealed enclosure.
2
Standard resistance values should be selected from the Resistance-Tolerance Decade Table.
B Tolerance available in all values (except RNR57.)
www.vishay.com
4
Document Number 66001
Revision 06-Oct-00
RNR/RNN
Vishay Angstrohm
POWER DERATING
120
125°C
MARKING
55, 57
Example
RNR55C1002FS
005C
% 0F RATED POWER
100
80
60
40
20
0
25
50
75
100
125
150
AMBIENT TEMP. DEG. CENTIGRADE
175
— Date Code, RTC Code
— Resistance Code
— Tolerance, Failure Rate, Terminal, JAN
— Manufacturer Identification
1002
FSRJ
A
Example
RNR60E2501FS
17745
0005J
RNR60E
60, 65, 70, 75
— Source Code
— Date Code, JAN
— Style, Size, RTC Code
CAGE #17745
“Commercial and Government Entity”
Formerly “FSCM”.
— Resistance Code, Tolerance, Failure Rate
2501FS
COMPARISON OF VISHAY ANGSTROHM CHARACTERISTICS TO MIL SPECIFICATION LIMIT
1
MILITARY
STYLE
(RNR/RNN)
55
57
60
65
70
75
LOAD
LIFE
HIGH
TEMPERATURE
EXPOSURE
Limit
±
2.0%
< 0.4%
< 0.3%
< 0.4%
< 0.4%
< 0.4%
< 0.3%
LOW
TEMPERATURE
OPERATION
Limit
±
0.15%
< 0.004%
< 0.005%
< 0.004%
< 0.003%
< 0.006%
< 0.010%
RESISTANCE
TO SOLDERING
HEAT
Limit
±
0.1%
< 0.02%
< 0.01%
< 0.02%
< 0.01%
< 0.01%
< 0.01%
MOISTURE
2
SHOCK
VIBRATION
Limit
±
0.2%
< 0.02%
< 0.01%
< 0.01%
< 0.01%
< 0.01%
< 0.01%
Limit
±
2.0% Limit
±
0.2% Limit
±
0.2%
< 0.2%
< 0.3%
< 0.3%
< 0.5%
< 0.6%
< 0.5%
< 0.03%
< 0.02%
< 0.03%
< 0.03%
< 0.01%
< 0.02%
< 0.02%
< 0.01%
< 0.01%
< 0.01%
< 0.01%
< 0.01%
NOTE:
1
This typical data is taken from the average resistance shifts from numerous values. The actual shifts are dependent on the value.
2
Any shift during moisture testing is due to the “load” (mini-load life) portion of the test and not due to the effect of moisture.
Document Number 66001
Revision 06-Oct-00
www.vishay.com
5
RNR/RNN
Vishay Angstrohm
DIMENSIONS PER MIL-PRF-55182
in inches [millimeters]
E
C
A
D
B
MODEL
RNR55
RNN55
RNR57
RNN57
RNR60
RNN60
RNR65
RNN65
RNR70
RNN70
RNR75
RNN75
A
LENGTH
0.250 + 0.031 - 0.046
[6.35 + 0.78 - 1.17]
0.281
±
0.062
[7.14
±
1.57]
0.375 + 0.062 - 0.115
[9.53 + 1.57 - 2.92]
0.625 + 0.031 - 0.094
[15.8 + 0.787 - 2.39]
0.750 + 0.125 - 0.250
[19.05 + 3.18 - 6.35]
1.062
±
0.062
[26.98
±
1.58]
B
DIAMETER
0.109
±
0.031
[2.77
±
0.78]
0.155
±
0.015
[3.94
±
0.38]
0.125
±
0.040
[3.18
±
1.02]
0.188 + 0.062 - 0.031
[4.78 + 1.57 - 0.787]
0.250 + 0.078 - 0.090
[6.35 + 1.98 - 2.29]
0.375 + 0.062 - 0.150
[9.53 + 1.57 - 3.81]
C
CL TO CL
(MAX.)
0.379
[9.63]
0.467
[11.86]
0.561
[14.25]
0.780
[19.81]
0.939
[23.85]
1.186
[30.12]
D
LENGTH
±
0.125 [
±
3.18]
1.50
[38.10]
1.25
[31.75]
1.50
[38.10]
1.50
[38.10]
1.50
[38.10]
1.50
[38.10]
E
DIAMETER
±
0.002 [
±
0.051]
0.025
[0.635]
0.025
[0.635]
0.025
[0.635]
0.025
[0.635]
0.032
[0.813]
0.032
[0.813]
D
APPROX.
WEIGHT (grams)
0.337
0.405
0.450
1.30
1.44
2.500
ORDERING INFORMATION
Example: RNR55E49R9BS
RNR
STYLE AND
TERMINAL
LEVEL MODEL
1
55
SIZE
E
RESISTANCE /
TEMPERATURE
CHARACTERISTICS
(RTC)
2
Hermetic = E
=C
RTC =
±
25 ppm/°C
=
±
50 ppm/°C
49R9
RESISTANCE
VALUE
B
TOLERANCE
S
LIFE FAILURE-R
(%/1000 HOURS)
RNR = Solderable
RNN = Weldable
55
57
60
65
70
75
The nominal resistance value expressed in
ohms is a four digit number. The first three
digits represent significant figures and the
last digit specifies the number of zeros to
follow.
When the value is less than 100 ohms, the
letter “R” is substituted for one of the
significant figures to represent the decimal
point. The resistance values shall follow
the Resistance-Tolerance Decade Table
(page 11).
Examples:
1.00
Ω
= 1R00
10,000
Ω
= 1002
10.0
Ω
= 10R0
100,000
Ω
= 1003
100
Ω
= 1000
1,000,000
Ω
= 1004
1000
Ω
= 1001
Initial resistance is
identified by a single
letter.
B =
±
0.1%
D =
±
0.5%
F =
±
1.0%
M=
P=
R=
S=
1.0
0.1
0.01
0.001
NOTE:
1
MODEL RNC: For characteristics C and E (per MIL-PRF-55182) terminal model RNR shall be used as a substitute.
2
For RNR75 only: Characteristics J (± 25 ppm/°C) is also available.
www.vishay.com
6
Document Number 66001
Revision 06-Oct-00
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