VCS1625Z (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Surface Mount Current
Sensing Chip Resistor with TCR of ± 0.05 ppm/°C and
Power Coefficient of 5 ppm at Rated Power
FEATURES
•
Temperature coefficient of resistance (TCR):
± 0.05 ppm/°C typical (0 °C to + 60 °C)
± 0.2 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.) (see table 1)
•
Resistance range: 0.3
Ω
to 10
Ω
(for higher or
lower values please contact us)
•
Vishay Foil resistors are not restricted to standard values,
we can supply specific “as required” values at no extra cost
or delivery (e.g. 1.234
Ω
vs. 1
Ω)
•
Tolerance: to ± 0.2 %
•
Power coefficient “ΔR due to self heating”: 5 ppm at rated
power
•
Load life stability: 0.02 % at 70 °C, 2000 h at rated power
•
Electrostatic discharge (ESD) up to 25 000 V
•
Short time overload < 0.005 %
•
Power rating: 0.5 W at + 70 °C (figure 1)
•
Non inductive, non capacitive design
•
Rise time: 1 ns effectively no ringing
•
Current rating: 5 A maximum
•
Current noise: < - 40 dB
•
Voltage coefficient: < 0.1 ppm/V
•
Non inductive: < 0.08 µH
•
Non hot spot design
•
Prototype samples available from 72 h. For more
information, please contact foil@vishay.com
•
For better performances please contact us
INTRODUCTION
The Z-foil technology provides a significant reduction of the
resistive component’s sensitivity to ambient temperature
variations (TCR) and applied power changes (PCR).
Designers can now guarantee a high degree of stability and
accuracy in fixed-resistor applications using solutions
based on Vishay‘s revolutionary Z-foil technology.
Model VCS1625Z is a surface mount chip resistor designed
with 4 pads for Kelvin connection. Utilizing Vishay’s Bulk
Metal
®
Z-foil as the resistance element, it provides
performance capabilities far greater than other resistor
technologies can supply in a product of comparable size.
0.05 ppm/°C absolute TCR removes errors due to
temperature gradients.
This small device dissipates heat almost entirely through the
pads so surface mount users are encouraged to be generous
with the board’s pads and traces.
Our application engineering department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
IM
PR
O
VE
D
FIGURE 1 - POWER DERATING CURVE
Percent of Rated Power
- 55 °C
+ 70 °C
100
75
50
25
0
- 75
- 50
- 25
0
+ 25
+ 50
+ 75 + 100 + 125 + 150 + 175
Ambient Temperature (°C)
TABLE 1 - SPECIFICATIONS
(2)
MODEL
NUMBER
RESISTANCE
RANGE
> 2.0
Ω
to 10
Ω
0.3
Ω
to 2.0
Ω
RESISTANCE
TOLERANCE
TYPICAL TCR and MAX. SPREAD
(- 55 °C to + 125 °C, + 25 °C)
± 0.2 ± 2.8 ppm/°C
VCS1625Z
± 0.2 %, ± 0.5 %; ± 1.0 %
± 0.5 %; ± 1.0 %
Notes
(1)
Whichever is lower
(2)
Tighter performances are available. Please contact application engineering foil@vishay.com
* Pb containing materials are not RoHS compliant, exemptions may apply
Document Number: 63094
Revision: 11-Dec-08
For any questions, contact: foil@vishay.com
PR
O
DU
CT
TERMINATIONS
•
Two lead (Pb)-free options are available:
gold plated or tin plated
•
Tin/lead plated
APPLICATIONS
•
Military
I
•
Medical
•
Automatic test equipment (ATE)
E
E
•
Airborne (in heads-up display
I
V
systems)
•
High precision instrumentation
•
Electron beam recording equipment
•
Electron microscopes
•
Current sensing applications
•
Forced balance electronic scales
•
Applications that require superior frequency stability
R
1
1
2
I
I
2
POWER RATING
at + 70 °C
(1)
0.5 W on FR4 PCB
MAXIMUM
CURRENT
(1)
5A
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1
VCS1625Z (Z-Foil)
Vishay Foil Resistors
TABLE 3 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y16071R50000D9W (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
Ω
CHARACTERISTICS
(1)
0
= standard part, tin/lead termination
9
= standard part, lead (Pb)-free termination
129
= standard part, gold plated
Other
= custom
Y
1
6
0
7
1
R
PRODUCT CODE
1607
= VCS1625Z
RESISTANCE TOLERANCE
E
= ± 0.2 %
D
= ± 0.5 %
F
= ± 1.0 %
G
= ± 2.0 %
J
= ± 5.0 %
FOR EXAMPLE: ABOVE GLOBAL ORDER Y1607 1R50000 D 9 W:
TYPE: VCS1625Z
VALUE: 1.5
Ω
ABSOLUTE TOLERANCE: ± 0.5 %
TERMINATION: lead (Pb)-free
PACKAGING: waffle pack
HISTORICAL PART NUMBER: VCS1625Z 1R5000 TCR0.2 D S W (will continue to be used)
VCS1625Z
MODEL
VCS1625Z
1R5000
OHMIC VALUE
1.5
Ω
TCR0.2
TCR
Characteristic
D
IM
PR
O
VE
D
Note
(1)
Application engineering release: for non-standard requests, please contact application engineering.
Document Number: 63094
Revision: 11-Dec-08
For any questions, contact: foil@vishay.com
PR
O
DU
CT
5
0
0
0
0
D
9
W
PACKAGING
R
= tape and reel
W
= waffle pack
S
W
RESISTANCE
TOLERANCE
E
= ± 0.2 %
D
= ± 0.5 %
F
= ± 1.0 %
G
= ± 2.0 %
J
= ± 5.0 %
TERMINATION
PACKAGING
S
= lead (Pb)-free
B
= tin/lead
G
= gold plated
T
= tape and reel
W
= waffle pack
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3
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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