VPR5, VPR7
Vishay Foil Resistors
Bulk Metal
®
Foil Technology Power Current Sensing Resistors
with TCR of 5 ppm/°C and Power Rating up to 7 W
FEATURES
Temperature Coefficient of Resistance (TCR):
± 5 ppm/°C (Above 10
)
± 10 ppm/°C (Below 10
)
Tolerance: to ± 0.01 %
Resistance Range: 1
to 100 k
Electrostatic Discharge (ESD) above 25 000 V
Non Inductive, Non Capacitive Design
Rise Time: 1.0 ns without ringing
Current Noise: < - 40 dB
Any value available within resistance range
These Bulk Metal
®
Foil power current sensing resistors are
direct replacements for certain wirewound devices but
without the inductive characteristics of wirewounds. The
anodized aluminum housing is drilled and countersunk to
accept flat head screws for thermal mounting. Because the
device is internally Kelvin connected, there is no restriction
on the lead lengths as would be the case if this were a two
terminal device. Frequently used in YIG oscillator circuits
these devices contribute to superior frequency stability.
Thermal EMF: < 0.05 µV/°C typical
Voltage Coefficient: < 0.1 ppm/V
Non-Inductive: < 0.08 µH
Non Hot Spot Design
Terminal Finishes available: Lead (Pb)-free
Tin/lead alloy
Prototype Samples available from 48 h. Please contact
foil@vishaypg.com
For better performances, please contact us
Pb-free
Available
RoHS*
COMPLIANT
TABLE 1 - SPECIFICATIONS
MODEL
NUMBER
RESISTANCE
MAXIMUM POWER
1)
TOLERANCE
RANGE
WORKING RATING
TO
()
VOLTAGE at 25 °C
1 to 10
VPR5
> 10 to 100
> 100 to 100K
1 to 10
VPR7
> 10 to 100
> 100 to 100K
± 0.1 %
± 0.05 %
± 0.01 %
± 0.1 %
± 0.05 %
± 0.01 %
300 V
7W
300 V
5W
FIGURE 1 - POWER DERATING CURVE
Percent of Rated Power
+ 100
+ 25
+ 75
+ 50
+ 25
0
- 50
0
+ 50
+ 100
+ 150
- 55
Ambient Temperature (°C)
Note
1. Mounted on aluminum chassis (6" L x 4" W x 2" H x 0.040" Th)
per MIL-R-39009/1B.
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63013
Revision: 23-Mar-10
For any questions, contact:
foil@vishaypg.com
www.foilresistors.com
1
VPR5, VPR7
Vishay Foil Resistors
TABLE 2 - STANDARD IMPRINTING AND DIMENSIONS
D
E
Vishay VPR5
100R01 0.1 %
Mounting Holes
1)
B
I
3)
3)
4)
4)
R
I
2)
XXXX
Date Code
07
10
Year Week
A
in
0.625
1.030
Notes
1.
2.
3.
4.
#4-40 F.H. Machine Screw (Not Included)
Anodized Aluminum Housing
#26 AWG, Teflon Coated, 4" min.
#20 AWG, Solder Coated Copper
mm
15.88
26.16
in
0.450
0.450
B
mm
11.43
11.43
in
0.312
0.312
C
F
DIMENSIONS
C
mm
7.93
7.93
in
0.400
0.788
D
mm
10.16
20.02
I
1
E
1
V
E
2
I
2
A
E
in
0.350
0.350
mm
8.89
8.89
F (min)
in
1.500
1.375
mm
38.10
34.90
TABLE 4 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y002625K5000T9L (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
K
= k
AER*
0
= Standard
9
= Lead (Pb)-free
1 - 999
= Custom
Y
0
0
2
6
2
5
K
5
0
0
0
T
9
L
PRODUCT CODE
0026
= VPR5
0027
= VPR7
RESISTANCE TOLERANCE
T
= ± 0.01 %
A
= ± 0.05 %
B
= ± 0.1 %
PACKAGING
L
= Bulk
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0026 25K5000 T 9 L:
TYPE: VPR5
VALUE: 25.5 k
ABSOLUTE TOLERANCE: ± 0.01 %
TERMINATION: Lead (Pb)-free
PACKAGING: Bulk
HISTORICAL PART NUMBER: VPR5T 25K500 T B (will continue to be used)
VPR5
MODEL
VPR5
VPR7
Note
* For non-standard requests, please contact Application Engineering.
T
TERMINATION
T
= Lead (Pb)-free
None = Tin/Lead alloy
25K500
OHMIC VALUE
25.5 k
T
RESISTANCE
TOLERANCE
T
= ± 0.01 %
A
= ± 0.05 %
B
= ± 0.1 %
B
PACKAGING
B
= Bulk
www.foilresistors.com
2
For any questions, contact:
foil@vishaypg.com
Document Number: 63013
Revision: 23-Mar-10
Legal Disclaimer Notice
Vishay Precision Group, Inc.
Disclaimer
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any other disclosure relating to any product.
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not limited to, the warranty expressed therein.
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Copyright Vishay Precision Group, Inc., 2014. All rights reserved.
Document No.: 63999
Revision: 15-Jul-2014
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