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VPR5, VPR7
Vishay Foil Resistors
Bulk Metal(R) Foil Technology Power Current Sensing Resistors with TCR of 5 ppm/C and Power Rating up to 7 Watts
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(R) 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 V/C typical * Voltage Coefficient: < 0.1 ppm/V * Non-Inductive: < 0.08 H * Non Hot Spot Design * Terminal Finishes available: Lead (Pb)-free Tin/Lead Alloy * Prototype Samples available from 48 hours. Please contact foil@vishay.com * For better performances, please contact us
Pb-free Available
RoHS*
COMPLIANT
TABLE 1 - SPECIFICATIONS
MODEL NUMBER RESISTANCE MAXIMUM POWER1) 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: 05-Jun-07 For any questions, contact: foil@vishay.com www.vishay.com 1
VPR5, VPR7
Vishay Foil Resistors Bulk Metal(R) Foil Technology Power Current Sensing
Resistors with TCR of 5 ppm/C and Power Rating up to 7 Watts
TABLE 2 - STANDARD IMPRINTING AND DIMENSIONS
D E
Vishay VPR5 100R01 0.1 %
Mounting Holes1) 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
I1
E1 V
E2
I2
A
E in 0.350 0.350 mm 8.89 8.89
F (min) in mm 1.500 38.10 1.375 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
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For any questions, contact: foil@vishay.com
Document Number: 63013 Revision: 05-Jun-07
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
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