VSM2110
Vishay Foil Resistors
Bulk Metal® Foil Technology
Discrete Surface Mount Chip Resistors
FEATURES
• Temperature Coefficient of Resistance:
Nominal TCR: + 0.6ppm/°C (0°C to + 25°C)
- 0.6ppm/°C (+ 25°C to + 60°C)
+ 2.2ppm/°C (– 55°C to + 25°C)
- 1.8ppm/°C (+ 25°C to + 125°C)
• Resistance Range: 5Ω to 100KΩ
Product may not
be to scale
• Tolerance: to ± 0.01%
• Load Life Stability: ± 0.025% Maximum ∆R
under full rated power @ + 70°C for 2,000 hours
The VSM2110 Precision Surface Mount Chip Resistor utilizes
the Vishay Bulk Metal® Foil technology with its inherent low
TCR and stability which is an order of magnitude better than
Thin Film technology. The VSM2110 chip, at 0.2 watts at 70°C
and 100K ohms, provides the highest power/ohmic value to
footprint ratio of the VSM surface mount chip resistor series;
and is the same element utilized in other well established Vishay
Foil products. The VSM2110 is listed on DSCC specification
93078.
• Shelf Life Stability: 50ppm/year (0.005%) Maximum ∆R
non-hermetically sealed
• Voltage Coefficient: < 0.00001%/volt (< 0.1ppm/V)
• Current Noise: < 0.010µV(rms)/volt of applied voltage
• Non Inductive: < 3.0nH
TABLE 1 - TOLERANCE VERSUS RESISTANCE VALUE
The VSM surface mount chip series provides a significant
improvement over other chip resistor technologies. Their
specifications exceed the requirements of MIL-PRF-55342.
The low TCR, tight tolerances, excellent stability and superior
performance specifications provide the ultimate resistor component
for analog applications.
VALUE
TIGHTEST
(Ω)
TOLERANCE (%)*
250Ω to 100K
100Ω to < 250
50Ω to < 100
25Ω to < 50
10Ω to < 25
5Ω to < 10
± 0.01
± 0.02
± 0.05
± 0.1
A voltage divider can be fashioned using two arbitrarily selected
VSM2110 chips resulting in a tracking specification of < 3ppm/°C.
± 0.25
± 0.5
FIGURE 1 - NOMINAL TCR CURVE
*Tighter tolerances are available. Please contact Application
Engineering. Soldering temperatures used during installation may
cause resistance to shift up to 0.05%.
–55
–50
–25
0
+25
+50
+75
+100
+125
+500
+400
+300
+200
+100
TABLE 2 - TYPICAL PERFORMANCE SPECIFICATIONS
+5 ppm
-5
p
pm
MIL-PRF-55342G
VSM2110
Nominal Resistance/
Temperature (RT) Curve
TEST
CHARACTERISTIC E MAXIMUM
∆R
∆R LIMITS
∆R LIMITS*
0
R
Maximum
(ppm)
Spread
–100
±2.3 ppm/°C
Thermal Shock
± 0.10%
± 0.10%
± 0.10%
± 0.10%
± 0.20%
± 0.20%
± 0.50%
± 0.02%
± 0.02%
± 0.02%
± 0.05%
± 0.05%
± 0.10%
± 0.025%
–200
–300
Standard
Spread
±2.0 ppm/°C
–1.8 ppm/°C
Nominal Chord
Slope (TCR)
+2.2 ppm/°C
Nominal Chord
Slope (TCR)
Low Temperature Operation
Short Time Overload
High Temperature Exposure
Resistance to Bonding
Moisture Resistance
Life 2,000 hours @ + 70°C
–400
–500
–55°C / +25°C / +125°C are the test points
with +25°C as the reference temperature
The TCR for values < 250Ω are influenced by the termination
composition and result in a deviation from this curve. Contact our
application engineering department for detailed specification on low
values
*As shown + 0.001 Ohms to allow for measurement errors at low values.
VISHAY FOIL • FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 • ITALY + 39.2.300.11919 FAX: +39.2.300.11999
• SWEDEN +46.8.594.70590 FAX: +46.8.594.70581
• UK +44 191 514 8237 FAX: +44 1953 457 722
• USA +1 610 407-4800 FAX: +1 610 640-9081
• GERMANY +49.9287.710 FAX: +49 9287.70435
• ISRAEL +972.3.557.0945 FAX: +972.3.558.9121
• JAPAN +81.3.5464.6411 FAX: +81.3.5464.6433
• SINGAPORE +65.788.6668 FAX: +65.788.0988
www.vishay.com
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Document Number: 63074
Revision 15-Dec-03