ERC
Vishay Dale
Metal Film Resistors, Military/Established Reliability
MIL-PRF-55182, Qualified, Type RNC
FEATURES
• Meets requirements of MIL-PRF-55182
• Very low noise
• Verified Failure Rate (Contact factory for current level)
• 100% stabilization and screening tests. Group A Testing, if
desired, to customer requirements.
• Controlled temperature coefficient
• Excellent high frequency performance
• Epoxy coating provides superior moisture protection
TEMPERATURE COEFFICIENT CODE
TC
CODE
T-1
T-2
T-9
MIL.
CHAR.
K
H
J
TEMPERATURE
COEFFICIENT
0
±
100ppm/°C
0
±
50ppm/°C
0
±
25ppm/°C
TEMPERATURE
RANGE
- 55°C to + 175°C
- 55°C to + 175°C
- 55°C to + 175°C
• Standard lead on RNC product is solderable and weldable
• Traceability of materials and processing
• Monthly acceptance testing
• Vishay Dale has complete capability to develop specific
reliability programs designed to customer requirements
• Extensive stocking program at distributors and factory on
RNC50, RNC55, RNC60 and RNC65
STANDARD ELECTRICAL SPECIFICATIONS
VISHAY
DALE
MODEL
ERC-50
ERC-55
ERC-55-200
ERC-65
ERC-70
MIL-R-55182
TYPE
RNC50
RNC55
RNC60
RNC65
RNC70
POWER RATING
P
125
°
C
P
70
°
C
W
W
0.10
0.125
0.25
0.5
0.75
0.05
0.1
0.125
0.25
0.5
RESISTANCE
TOLERANCE
%
±
0.1,
±
0.5,
±
1
±
0.1,
±
0.5,
±
1
±
0.1,
±
0.5,
±
1
±
0.1,
±
0.5,
±
1
±
0.1,
±
0.5,
±
1
MAXIMUM MAXIMUM
WEIGHT WORKING
(Grams)
VOLTAGE
.11
200
.35
.35
.84
1.60
200
250
300
350
RESISTANCE RANGE
T-1
(K)
10R - 796k
10R - 2.0M
10R - 2.0M
10R - 3.01M
10R - 3.01M
T-2
(H)
10R - 796k
10R - 2.0M
10R - 2.0M
10R - 3.01M
10R - 3.01M
(Ohms)
*
T-9
(J)
10R - 796k
10R - 2.0M
10R - 2.0M
10R - 3.01M
10R - 3.01M
* Consult factory for values on QPL.
Standard resistance tolerances:
±
0.1% (B),
±
0.5% (D) and
±
1% (F).
±
0.1% not applicable to Characteristic K.
TECHNICAL SPECIFICATIONS
PARAMETER
Voltage Coefficient, max.
Dielectric Strength
Insulation Resistance
Operating Temperature Range
Terminal Strength
Solderability
UNIT
ppm/°C
VAC
Ω
˚C
lb
CONDITION
5/Volt when measured between 10% and full rated voltage
ERC-50/ERC-55/ERC55-200 = 450; ERC-65/ERC-70 = 900
≥
10
11
dry;
≥10
9
after moisture test
- 65 / + 175
2lb pull test on ERC-50/ERC-55/ERC55-200/ERC-65; 4.5lb pull test on ERC-70
Continuous satisfactory coverage when tested in accordance with MIL-STD-202,
Method 208
ORDERING INFORMATION - MILITARY PART NUMBER
RNC
MIL. TYPE
Per MIL-PRF-55182
RNC = Solderable/weldable leads
RNR = Solderable only leads
55
SIZE
50 = 0.05 watt
55 = 0.10 watt
60 = 0.25 watt
65 = 0.25 watt
70 = 0.5 watt
H
CHARACTERISTIC
(NON-HERMETIC)
J =
±
25ppm/°C
H =
±
50ppm/°C
K =
±
100ppm/°C
2152
VALUE
F
TOLERANCE
R
FAILURE RATE
%/1000 HOURS
S = 0.001%
R = 0.01%
P = 0.1%
M= 1%
First three digits are
B =
±
0.1%
significant figures. Last
D =
±
0.5%
digit specifies the
number of zeros to
F =
±
1%
follow. (21.5 kilohm
illustrated.)
www.vishay.com
46
For Technical Questions, contact ff2bresistors@vishay.com
Document Number: 31025
Revision 01-Aug-02
ERC
Metal Film Resistors, Military/Established Reliability
DIMENSIONS
in inches [millimeters]
A
E
Vishay Dale
C
Max.
* 1.08
±
0.125 [27.43
±
3.18] IF TAPE AND REEL
D
B
MODEL
ERC-50
ERC-55
ERC-55-200
ERC-65
ERC-70
A
0.150
±
0.020
[3.81
±
0.51]
0.250 + 0.031 - 0.046
[6.35 + 0.79 - 1.17]
0.280
±
0.020
[7.11
±
0.51]
0.562
±
0.031
[14.27
±
0.79]
0.562
±
0.031
[14.27
±
0.79]
B
0.070
±
0.010
[1.78
±
0.25]
0.091
±
0.009
[2.31
±
0.23]
0.094
±
0.009
[2.39
±
0.23]
0.180
±
0.015
[4.57
±
0.38]
0.180
±
0.015
[4.57
±
0.38]
C
(Max.)
.187
[4.75]
.300
[7.62]
.350
[8.89]
.687
[17.45]
.687
[17.45]
D
0.016
[0.41]
0.025
[0.64]
0.025
[0.64]
0.025
[0.64]
0.032
[0.81]
E
1.25
±
0.266
[31.75
±
6.76]
1.50
±
0.125
[38.1
±
3.18]
1.50
±
0.125
[38.1
±
3.18]
1.50
±
0.125
[38.1
±
3.18]
1.50
±
0.125
[38.1
±
3.18]
MATERIAL SPECIFICATIONS
Element:
Vacuum-deposited nickel-chrome alloy
Encapsulation:
Specially formulated epoxy compound
Standard lead material is solder-coated copper
Solderable and weldable per
MIL-STD-1276, Type C.
Core:
Fire-cleaned high purity ceramic
Termination:
POWER RATING
Power ratings are based on the following two conditions:
1.
±
2.0% maximum
∆R
in 10000 hours load life.
2. + 175°C maximum operating temperature.
Vishay Dale ERC resistors have an operating temperature
range of - 65°C to + 175°C. They must be derated according to
the following curve:
RATED POWER IN %
120
100
80
60
40
20
0
-65 -50
-25
0
25
50
75
100
125
150
175 200
AMBIENT TEMPERATURE IN ˚C
APPLICABLE MIL-SPECIFICATIONS
MIL-PRF-55182:
The ERC series meets the electrical, environmental and
dimensional requirements of MIL-PRF-55182.
MIL-PRF-10509:
MIL-PRF-55182 supercedes MIL-PRF-10509 on new designs.
The ERC series meets or exceeds MIL-PRF-10509
requirements.
Documentation:
Qualification and failure rate verification
test data is maintained by Vishay Dale and is available upon
request. Lot traceability and identification data is maintained
by Vishay Dale for five years.
DERATING
MARKING
— Per MIL-PRF-55182
Document Number: 31025
Revision 01-Aug-02
For Technical Questions, contact ff2bresistors@vishay.com
www.vishay.com
47
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