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Z202
Vishay Foil Resistors
Ultra High Precision Z-Foil Miniature Resistor with TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power and Tolerance to 0.01 %
FEATURES
100R01 0.01 % 0745 V
Z202
Any value at any tolerance available with resistance range The Z202 is a miniaturized version of the now famous Z201. It is made with a Bulk Metal(R) Z-Foil element so it retains all of the inherent performance of Z-Foil resistors. 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. Our Application Engineering Department is available to advise and to make recommendations. For non-standard technical requirements and special applications, please contact us.
FIGURE 1 - IMPRINTING AND DIMENSIONS
Front View
Date Code 45 07 Year Week For Lead (Pb)-free Option L W Resistance Value Code
* Temperature coefficient of resistance (TCR): 0.05 ppm/C typical (0 C to + 60 C); Pb-free Available 0.2 ppm/C typical (- 55 C to + 125 C, + 25 C ref.) RoHS* * Tolerance: to 0.01 % COMPLIANT * Power coefficient of resistance (PCR) "R due to self heating": 5 ppm at rated rower * Electrostatic discharge (ESD) above 25 000 V * Resistance range: 5 to 30 k (for higher or lower values, please contact us) * Power rating: 0.25 W at + 70 C; 0.125 W at + 125 C * Load life stability: 0.01 % maximum R at + 70 C at Rated power for 2000 h * Non inductive, non capacitive design * Current noise: - 40 dB * Thermal EMF: < 0.1 V/C * Voltage coefficient: < 0.1 ppm/V * Non inductive: < 0.08 H * Non hot spot design * Maximum working voltage: 250 V * Terminal finishes available: lead (Pb)-free tin/lead alloy * Any value available within resistance range (e.g. 1K234) * Prototype samples available from 48 h. For more information, please contact foil@vishay.com * For better performances, please see Z201 datasheet
FIGURE 2 - POWER DERATING CURVE
Rear View
200 % - 55 C + 70 C
Percent of Rated Power at + 125 C
Double Rated Power
175 % 150 % 125 % 100 % 75 % 50 % 25 % 0 - 75 - 50 - 25
0745 H
V
Z202
100R01 0.01 %
Tolerance
Rated Power
ST LL LS Lead Material #22 AWG (0.025 Dia.) Solder Coated Copper
0
+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
DIMENSIONS L: H: W: ST: LL: LS:
INCHES 0.250 0.010 0.250 0.010 0.125 0.010 0.020 0.010 0.750 minimum 0.125 0.005
mm 6.35 0.25 6.35 0.25 3.18 0.25 0.51 0.25 19.05 minimum 3.18 0.13 50 to 30 k 20 to < 50 10 to < 20 5 to < 10
Ambient Temperature (C)
TABLE 1 - TOLERANCE AND TCR VERSUS
VALUE TYPICAL TCR AND STANDARD MAXIMUM SPREAD TOLERANCE - 55 C to + 125 C (+ 25 C Ref.) 0.01 % 0.02 % 0.05 % 0.1 % 0.2 1.8 0.2 2.8 0.2 4.8 0.2 6.8
* Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63131 Revision: 13-Nov-07 For any questions, contact: foil@vishay.com www.vishay.com 1
Z202
Vishay Foil Resistors
Ultra High Precision Z-Foil Miniature Resistor with TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power and Tolerance to 0.01 %
FIGURE 4 - TRIMMING TO VALUES (Conceptual Illustration)
FIGURE 3 - TYPICAL TCR CURVE Z-FOIL
+ 500 + 400 + 300 + 200 + 100 R 0 R (ppm) - 100 - 200 - 300 - 400 - 500 - 55 - 25 0 + 25 + 60 + 75 + 100 + 125 - 0.16 ppm/C
Interloop Capacitance Reduction in Series
Current Path Before Trimming Current Path After Trimming Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance
0.05 ppm/C - 0.1 ppm/C 0.1 ppm/C 0.14 ppm/C 0.2 ppm/C
Mutual Inductance Reduction due to Change in Current Direction
Ambient Temperature (C)
Note: Foil shown in black, etched spaces in white
TABLE 2 - ENVIRONMENTAL PERFORMANCE COMPARISON
MIL-PRF-55182 CHAR J Test Group I Thermal shock (5 x - 65 C to + 150 C) Short time overload (6.25 x Pnom x 5 s) Test Group II Resistance temperature characteristic Low temperature storage Low temperature operation Terminal strength Test Group III DWV Resistance to soldering heat Moisture resistance Test Group IV Shock Vibration Test Group V Life test at 0.125 W, 125 C for 2000 h Test Group Va Life test at 0.25 W (2 x rated power), 70 C for 2000 h Test Group VI High temperature exposure 2.0 % 0.1 % (1000 ppm) 0.05 % (500 ppm) 0.5 % 0.02 % (200 ppm) 0.01 % (100 ppm) 0.5 % 0.025 % (250 ppm) 0.01 % (100 ppm) 0.2 % 0.2 % 0.01 % (100 ppm) 0.01 % (100 ppm) 0.002 % (20 ppm) 0.002 % (20 ppm) 0.15 % 0.1 % 0.4 % 0.01 % (100 ppm) 0.01 % (100 ppm) 0.05 % (500 ppm) 0.002 % (20 ppm) 0.005 % (50 ppm) 0.01 % (100 ppm) 25 ppm/C 0.15 % 0.15 % 0.2 % See table 1 0.01 % (100 ppm) 0.01 % (100 ppm) 0.01 % (100 ppm) 0.05 ppm/C (0 C to + 60 C) 0.002 % (20 ppm) 0.002 % (20 ppm) 0.002 % (20 ppm) 0.2 % 0.2 % 0.01 % (100 ppm) 0.01 % (100 ppm) 0.005 % (50 ppm) 0.005 % (50 ppm) VISHAY Z202 MAXIMUM R TYPICAL R
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For any questions, contact: foil@vishay.com
Document Number: 63131 Revision: 13-Nov-07
Z202
Ultra High Precision Z-Foil Miniature Resistor with Vishay Foil Resistors TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power and Tolerance to 0.01 %
TABLE 3 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y107325K4540Q9L (preferred part number format) DENOTES PRECISION Y VALUE R= K = k AER* 0 = standard 9 = lead (Pb)-free 1 - 999 = custom
Y
1
0
7
3
2
5
K
4
5
4
0
Q
9
L
PRODUCT CODE 1073 = Z202
RESISTANCE TOLERANCE V = 0.005 % T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 %
PACKAGING L = bulk pack
FOR EXAMPLE: ABOVE GLOBAL ORDER Y1073 25K4540 Q 9 L: TYPE: Z202 VALUE: 25.454 k ABSOLUTE TOLERANCE: 0.02 % TERMINATION: lead (Pb)-free PACKAGING: bulk pack HISTORICAL PART NUMBER EXAMPLE: Z202T 25K454 Q B (will continue to be used) Z202 MODEL Z202 T TERMINATION T = lead (Pb)-free None = tin/lead alloy 25K454 OHMIC VALUE 25.454 k Q RESISTANCE TOLERANCE V = 0.005 % T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % B PACKAGING B = bulk pack
Note * For non-standard requests, please contact Application Engineering.
Document Number: 63131 Revision: 13-Nov-07
For any questions, contact: foil@vishay.com
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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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