Military and Space Established Reliability (ER)
Vishay Foil Resistors
Z-Bulk Metal
®
Foil Technology
RNC90Z to MIL-PRF-55182/9
www.vishay.com For any questions, contact: foil@vishay.com Document Number: 63082
2 Revision: 28-Aug-08
Note
1. ± 0.5 % and ± 1.0 % resistors available only in standard values
per MIL-PRF-55182
TABLE 2 - MODEL SELECTION
MODEL NUMBER
RESISTANCE
RANGE
(Ω)
STANDARD RESISTANCE
TOLERANCE
FAILURE
RATE
AMBIENT
POWER RATING
AVERAGE
WEIGHT
(g)
TIGHTEST % LOOSEST % at + 70 °C at + 125° C
RNC90Z (RNC90S) 30.1 Ω to 121 kΩ ± 0.005 ± 1.0 R 0.6 W 0.3 W 0.6
FIGURE 2 - IMPRINTING AND DIMENSIONS
RNC90Z Military Approved Resistors DIMENSIONS
Note
1. 0.200" (5.08 mm) lead spacing available - specify RNC90S for RNC90Z
INCHES MILLIMETERS
W: 0.105 ± 0.010 2.67 ± 0.25
L: 0.300 ± 0.010 7.62 ± 0.25
H: 0.326 ± 0.010 8.28 ± 0.25
ST: 0.015 ± 0.005 0.381 ± 0.13
SW: 0.040 ± 0.006 1.02 ± 0.13
LL: 1.000 ± 0.125 25.4 ± 3.18
LS: 0.150 ± 0.005
1)
3.81 ± 0.13
LS
1)
Jan Designator
(Not Present If
Non-Qualified)
VISHAY
18612
XXXX J
ST
H
L
Mfr. Code
W
Resistance
Value Code
RNC90Z
100R01
B R
LL
SW
Manufacturers
Identification
Number
Model Number
Failure Rate Code
(Not Present If
Non-Qualified)
Resistance
Tolerance
Code
Front View Side View
Lead Material
#22 AWG
(0.025 Dia.)
Solder Coated
Copper
B
Factory
01
Year
11
Week
Rear View
FIGURE 3 - TRIMMING TO VALUES
(Conceptual Illustration)
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
Before Trimming
Note: Foil shown in black, etched spaces in white
Interloop Capacitance
Reduction in Series
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
Current Path
After Trimming
FIGURE 4 - POWER DERATING CURVE
250
200
150
100
50
0
- 55 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175
Ambient Temperature °C
Percent of Rated Power
+ 70 °C
Rated Power
TABLE 3 - RESISTANCE TOLERANCE
TOLERANCE SYMBOL
± 0.005 % V
± 0.01 % T
± 0.05 % A
± 0.1 % B
± 0.5 %
1)
D
± 1.0 %
1)
F
TABLE 4 - FAILURE RATE LEVEL (FRL)
FRL SYMBOL
± 0.01 % R
± 0.1 % P
± 1.0 % M
