Document Number: 31023
Revision 01-Oct-02
www.vishay.com
44
ERL
Vishay Dale
For Technical Questions, contact ff2bresistors@vishay.com
Metal Film Resistors, Military/Established Reliability,
MIL-PRF-39017 Qualified, Type RLR
FEATURES
• Meets requirements of MIL-PRF-39017.
• Failure Rate: Verified Failure Rate (Contact factory for
current level).
• Excellent high frequency performance.
• Epoxy coated construction provides superior moisture
protection.
• Traceability of materials and processing.
• Monthly lot acceptance testing.
• Very low noise.
• Extensive stocking program at distributors and factory in
± 1% and ± 2% tolerances.
• Vishay Dale has complete capability to develop specific
reliability programs designed to customer requirements.
VISHAY
DALE
MODEL
ERL-05
ERL-07
ERL-20
ERL-32
1) Extended Resistance Range: DSCC has created a series of drawings intended to support extended resistance ranges left otherwise void by
the discontinuation of MIL-R-39008 RCR carbon composition resistors. Vishay Dale is listed as a resource on these drawings as follows:
DSCC DRAWING RESISTANCE
NUMBER RANGE SIZE
98020 1.1 meg - 22 meg 1/8 watt
99011 11 meg - 22 meg 1/4 watt
98021 3.3 meg - 22 meg 1/2 watt
98022 3 meg - 22 meg 1 watt
97004 1 ohm - 2.7 meg 2 watt
These drawings can be viewed at:
www.dscc.dla.mil/Programs/MilSpec/ListDwgs.asp?DocType=DSCCdwg
RESISTANCE1)
RANGE (Ohms)
T - 1 (± 100ppm/°C)
4R7 - 1M
1R - 10M
4R3 - 3.01M
1R - 2.7M
MAXIMUM
WORKING
VOLTAGE
200
250
350
500
MAXIMUM
WEIGHT
(Grams)
.11
.35
.75
1.5
POWER RATING
P70°C
W
0.125
0.25
0.5
1
MIL-PRF-39017
TYPE
RLR05
RLR07
RLR20
RLR32
F
TOLERANCE
F= ± 1%
G= ± 2%
ORDERING INFORMATION - MILITARY PART NUMBER
RLR
MILITARY TYPE
Per MIL-PRF-39017
R
FAILURE RATE
%/1000 HOURS
05 = 0.125 watt
07 = 0.25 watt
20 = 0.5 watt
32 = 1 watt
07
SIZE
C
LEAD MATERIAL
Solderable/
Weldable
3001
VALUE
First three digits are significant
figures. Last digit specifies the number of
zeros to follow. (3000 ohm illustrated.)
M= 1%
P = 0.1%
R = 0.01%
S = 0.001%
PARAMETER UNIT CONDITION
Voltage Coefficient, max. ppm/°C 5/Volt when measured between 10% and full rated voltage
Dielectric Strength VAC RLR05 = 300; RLR07/RLR20 = 500; RLR32 = 1000
Insulation Resistance Ω ≥ 109 minimum dry; ≥ 1011 minimum after moisture test
Operating Temperature Range °C - 65 / + 150
Terminal Strength lb 2lb pull test on RLR05; 5lb pull test on all other sizes
Solderability Continuous satisfactory coverage when tested in accordance with MIL-STD-202,
Method 208
TECHNICAL SPECIFICATIONS
RESISTANCE
TOLERANCE
%
± 1, ± 2
± 1, ± 2
± 1, ± 2
± 1, ± 2
STANDARD ELECTRICAL SPECIFICATIONS
www.vishay.com
45
ERL
Vishay Dale
Document Number: 31023
Revision 01-Oct-02 For Technical Questions, contact ff2bresistors@vishay.com
MODEL
ERL-05
ERL-07
ERL-20
ERL-32
B
D
C
Max.
EA
DIMENSIONS in inches [millimeters]
A
0.150 ± 0.020
[3.81 ± 0.51]
0.250 + 0.031 - 0.046
[6.35 + 0.79 - 1.17]
0.375 ± 0.041
[9.53 ± 1.04]
0.562 ± 0.031
[14.27 ± 0.79]
E
1.25 ± 0.266
[31.75 ± 6.76]
1.50 ± 0.125
[38.10 ± 3.18]
1.50 ± 0.125
[38.10 ± 3.18]
1.50 ± 0.125
[38.10 ± 3.18]
B
0.066 ± 0.008
[1.68 ± 0.21]
0.090 ± 0.008
[2.29 ± 0.21]
0.138 ± 0.023
[3.51 ± 0.58]
0.190 ± 0.015
[4.83 ± 0.38]
C (Max.)
0.187
[4.75]
0.300
[7.62]
0.450
[11.43]
0.625
[15.87]
D
0.016
[0.41]
0.025
[0.64]
0.032
[0.81]
0.032
[0.81]
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.
MARKING
— Per MIL-PRF-39017
APPLICABLE MIL-SPECIFICATIONS
MIL-PRF-39017:
The ERL series meets the electrical, environmental and
dimensional requirements of MIL-PRF-39017.
MIL-PRF-22684:
MIL-PRF-39017 supercedes MIL-PRF-22684 on new
designs. The ERC series meet or exceed MIL-PRF-22684
requirements.
POWER RATING
Power ratings are based on the following two conditions:
1. ± 2.0% maximum ∆R in 2000 hours load life.
2. + 150°C maximum operating temperature.
Metal Film Resistors, Military/Established Reliability
-65 -50 -25 0 25 50 75 100 125 150 175 200
AMBIENT TEMPERATURE IN ˚C
DERATING
RATED POWER IN %
Element: Vacuum-deposited nickel-chrome alloy Encapsulation: Specially formulated epoxy compound
Standard lead material is solder-coated copper
Core: Fire-cleaned high purity ceramic Termination: Solderable and weldable per
MIL-STD-1276, Type C.
MATERIAL SPECIFICATIONS
70
* 1.08 ± 0.125 [27.43 ± 3.18] IF TAPE AND REEL
0
20
40
60
80
100
120
