Military Established Reliability
Vishay Foil Resistors
Bulk Metal® Foil Technology
RNC90Y and RNC90Z to MIL-PRF-55182/9
FEATURES
• QPL product with established reliability.
• Best Load Life Stability: ± 0.05%∆R for 2,000 hrs. @ + 125°C
Product may not
be to scale
• Best TCR: ± 2.0ppm/°C (– 55°C to + 175°C)
• Best Shelf Life: 0.0025% (25ppm) for 1 year
• Best Thermal EMF: 0.1µV/°C
Vishay Military Established Reliability resistors are available
in resistance values from 4.99 ohms through 121Kohms and
for tolerances from ± 0.005% to ± 1.0%. The same resistors
are also available as a non-qualified product for customers
desiring higher or lower resistance values and the same or
better performance capabilities. (See Table 2.) Both the
qualified and the non-qualified version are manufactured on
the same production line facilities and are subjected to the
same process, lot control, conditioning, and GRP A (100%)
screening. Qualified versions receive additional MIL Group B
and C testing.
• Qualified Resistance Range: 4.99 Ω to 121KΩ [RNC90Y]
100 Ω to 121KΩ [RNC90Z]
• Resistance Tolerance: to ± 0.005%
• Specially conditioned non-QPL resistors available.
See data sheet “Improved Performence Tested.”
TABLE 1 - SPECIFICATIONS COMPARISON
SPECIFICATION
RNC90Y (QUALIFIED)
MIL-PRF-55182/9
RNC90Z (QUALIFIED)
MIL-PRF-55182/9
S555 (NON-QUALIFIED)
VISHAY PERFORMANCE
Z555 (NON-QUALIFIED)
VISHAY PERFORMANCE
LIMITS 6
CHARACTERISTIC Y LIMITS CHARACTERISTIC Z LIMITS LIMITS 6
Temperature Coefficient
of Resistance
± 5ppm/°C
(– 55°C to + 125°C)
± 10ppm/°C
± 2ppm/°C
(– 55°C to + 175°C)
± 5ppm/°C 1
(– 55°C to + 125°C)
± 2ppm/°C1
(– 55°C to + 125°C)
(+ 125°C to + 175°C)
Resistance Range
Failure Rate
4.99Ω to 121KΩ
100Ω to 121KΩ
1Ω to 150KΩ
4.99Ω to 121KΩ
Level R
Level R
Not Specified
Not Specified
Load-Life Stability
0.3W @ +125°C
at 2,000 Hours
± 0.05% Maximum ∆R
± 0.5% Maximum ∆R
± 0.05% Maximum ∆R
± 0.5% Maximum ∆R
± 0.015% Maximum ∆R2
± 0.05% Maximum ∆R 2
± 0.015% Maximum ∆R2
± 0.05% Maximum ∆R 2
at 10,000 Hours
Current Noise
Not Specified
Not Specified
– 40dB Minimum
– 40dB Minimum
High-Frequency Operation
Rise-Decay Time
Not Specified
Not Specified
Not Specified
Not Specified
1.0ns at 1KΩ
0.1µH Maximum
0.08µH Typical
1.0pF Maximum
0.5pF Typical
< 1%
1.0ns at 1KΩ
0.1µH Maximum
0.08µH Typical
1.0pF Maximum
0.5pF Typical
< 1%
Inductance 3 (L)
Capacitance (C)
Not Specified
Not Specified
Reactance
Not Specified
0.0005%/V
Not Specified
0.0005%/V
Voltage Coefficient
Working Voltage 4
Thermal EMF 5
0.0001%/V
0.0001%/V
300 Volts Maximum
Not Specified
300 Volts Maximum
Not Specified
300 Volts Maximum
300 Volts Maximum
0.1µV/°C Maximum
1µV/watt Maximum
0.1µV/°C Maximum
1µV/watt Maximum
NOTES:
1. Maximum TCR spread from nominal (Vishay maximum TCR): spread is defined as the 3σ (99.73% of a production lot) limit of a nominal
Gaussian distribution which is within a band centered on the nominal curve. TCR is somewhat higher for resistance values < 80ohms,
consult Vishay Applications Engineering.
2. Load life ∆R Maximum can be reduced by 80% through a screening procedure. Consult Vishay Applications Engineering for details.
3. Inductance (L) due mainly to the leads.
4. Not to exceed power rating of resistor.
5. µV/°C relates to EMF due to lead temperature differences and µV/watt due to power applied to the resistor.
6. Maximum is 1.0% A.Q.L. standard for all specifications except TCR. Typical is a designers reference which represents that 85% of the
units supplied, over a long period of time, will be at least the figure shown or better.
SALES
• ISRAEL: foilsales.israel@vishay.com
• FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com
• AMERICAS: foilsales.usa@vishay.com
• ASIA/JAPAN: foilsales.asia@vishay.com • UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com • GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com
www.vishay.com
84
For technical questions in the Americas, contact foilsupport1@vishay.com
For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com
Document Number: 63007
Revision 02-Mar-05
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