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DSMZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Bulk Metal(R) Z-Foil Surface Mount Voltage Divider, TCR Tracking of < 0.1 ppm/C, PCR of 5 ppm at Rated Power and Stability of 0.005 % (50 ppm)
FEATURES
* Temperature Coefficient of Resistance (TCR):
Any value at any ratio available within resistance range
* *
INTRODUCTION
Bulk Metal(R) Z-Foil Technology out-performs all other resistor technologies available today for applications that require ultra-high precision and ultra-high stabilitly. The Z-Foil technology provides a significant reduction of the resistive element's sensitivity to ambient temperature variations (TCR) and to self heating when power is applied (power coefficient).
The DSMZ offers low TCR (both absolute and tracking), low PCR, excellent load life stability, tight tolerance match, excellent ratio stability, low thermal EMF, and low current noise - all in one package. The DSMZ surface mount divider provides a matched pair of Bulk Metal(R) Z-Foil Resistors in a small epoxy molded package. The electrical specification of this integrated construction offers improved performance and better real estate utilization over discrete resistors and matched pairs. Our Application Engineering Department is available to advise and make recommendations. For non-standard technical requirements and special applications, please contact us.
IM PR O VE D
* * * * * * * * * * * * * * *
Absolute: 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* COMPLIANT Tracking: 0.1 ppm/C typical Power Coefficient Tracking "R due to self heating": 5 ppm at Rated Power Power Rating at 70 C: Entire Package: 0.1 W Each Resistor: 0.05 W Tolerance: Absolute: 0.02 %; Match: 0.01 % Ratio Stability: 0.005 % (0.05 W at 70 C, 2000 hours) Resistance Range: 100 to 10 k per resistor Large Variety of Resistance Ratios: 1:100 Electrostatic Discharge (ESD) above 25 000 V Short Time Overload 0.005 % Non Inductive, Non Capacitive Design Rise Time: 1.0 ns without ringing Current Noise: < - 40 dB Thermal EMF: 0.05 V/C typical Voltage Coefficient: < 0.1 ppm/V Non Inductive: < 0.08 H Non Hot Spot Design Terminals: silver coated copper alloy For better performances, please contact Application Engineering
R2
TABLE 1 - RESISTANCE VALUES AND TOLERANCES1)
RESISTANCE VALUES 100 - 10 k per resistor2) ABSOLUTE TOLERANCE EACH RESISTOR RESISTANCE TOLERANCE MATCH TCR 0.02 %, 0.05 %, 0.1 % 0.01 %, 0.02 %, 0.05 %
Absolute: (typical and maximum spread): 0.2 2.0 ppm/C Tracking: (maximum) For R1/R2 = 1 For 1 < R1/R2 10
- 55 C to + 125 C (+ 25 C reference)
0.5 ppm/C
1.0 ppm/C
Notes 1. Tighter performances are available 2. 100 to 20 k per resistor available in DSM
FIGURE 1 - SCHEMATIC
R1
R2
Percent of Rated Wattage
For 10 < R1/R2 100 2.0 ppm/C
OPTION 1 SAME OHMIC VALUE, SAME ABSOLUTE TOLERANCE
OPTION 2 RESISTOR PAIR R1/R2 - DIFFERENT VALUES
* Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63121 Revision: 06-Aug-07 For any questions, contact: foil@vishay.com www.vishay.com 1
PR O DU CT
APPLICATIONS
* Instrumentation amplifiers
* * * * *
Bridge networks Differential amplifiers Ratio arms in bridge circuits Medical and test equipment Military * Airborne etc.
R1
Vin Vout + DSMZ
FIGURE 2 - POWER DERATING CURVE
110 100 90 80 70 60 50 40 30 20 10 0 - 60 - 40 - 55
- 20
0
20
40
60 70
80
100
120 140 125
Ambient Temperature (C)
DSMZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Bulk Metal(R) Z-Foil Surface Mount Voltage Divider, TCR Tracking of < 0.1 ppm/C, PCR of 5 ppm at Rated Power and Stability of 0.005 % (50 ppm)
FIGURE 4 - TYPICAL Z-FOIL TCR CURVE (For more details, see table 1)
+ 500 + 400 + 300
FIGURE 3 - TRIMMING TO VALUES (Conceptual Illustration)
Interloop Capacitance Reduction in Series
Current Path Before Trimming
Mutual Inductance Reduction due to Change in Current Direction
Current Path After Trimming Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance
Note: Foil shown in black, etched spaces in white
FIGURE 5 - DIMENSIONS AND IMPRINTING
SIDE VIEW
H
w
t
P
P
IM PR O VE D
BOTTOM VIEW
TW
STAND OFF
Note: R1 - between PIN1 and PIN3 R2 - between PIN2 and PIN3
DIMENSIONS L W H P TW TH S t INCHES 0.160 0.008 0.106 0.008 0.063 0.008 0.031 0.005 0.031 0.004 0.043 0.008 0.100 0.008 0.005 0.002 MILLIMETERS 4.06 0.20 2.69 0.20 1.60 0.20 0.79 0.13 0.79 0.10 1.09 0.20 2.54 0.20 0.13 0.05
FIGURE 6 - RECOMMENDED LAND PATTERN
0.063 0.004 (1.6 0.1)
0.040 0.004 (1.02 0.1)
0.035 0.004 (0.89 0.1)
0.100 0.004 (2.54 0.1)
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For any questions, contact: foil@vishay.com
0.071 0.004 (1.8 0.1)
0.100 0.004 (2.54 0.1)
PR O DU CT
+ 200 + 100 R 0 R (ppm) - 100 - 200 - 300 0.05 ppm/C - 0.1 ppm/C 0.1 ppm/C 0.14 ppm/C - 400 - 0.16 ppm/C - 25 0 0.2 ppm/C - 500 - 55 + 25 + 60 + 75 + 100 + 125 Ambient Temperature (C)
FRONT VIEW
L
TH
TW
TW
S
TOP VIEW
VALUE R1
RATIO TOLERANCE CODE
3
VALUE R2
10K Q 10K V B0219
1
DATE CODE
2
Document Number: 63121 Revision: 06-Aug-07
DSMZ (Z-Foil)
Ultra High Precision Bulk Metal(R) Z-Foil Surface Mount Vishay Foil Resistors Voltage Divider, TCR Tracking of < 0.1 ppm/C, PCR of 5 ppm at Rated Power and Stability of 0.005 % (50 ppm)
TABLE 2 - PERFORMANCE SPECIFICATIONS (Test Method Per MIL-PRF-914)
SPECIFICATIONS Power rating at 70 C Entire package: 0.1 W Each resistor: 0.05 W Maximum Working Voltage (each resistor) Working Temperature Range Thermal Shock 25 x (- 65 C to + 125 C) Thermal Shock 5 x (- 65 C to + 125 C) and Power Conditioning 1.5 rated power at 25 C, 100 hours DWV atmospheric pressure, 200 V (A.C.), 1 minute Insulation Resistance 100 V (D.C.), 1 minute Resistance to Soldering Heat TYPICAL LIMITS
Moisture Resistance
+ 65 C to - 10 C; 90 % to 98 % RH; 0.1 x rated power, 240 hours Shock (Specified Pulse) 100 G
IM PR O VE D
Vibration, High Frequency (10 Hz - 2000 Hz), 20 G High Temperature Exposure 100 hours at 125 C Low Temperature Storage 24 hours at - 65 C Load Life Stability 2000 hours at + 70 C; rated power Short Time Overload 6.25 x Rated Power; 5 seconds Low Temperature Operation Weight
Document Number: 63121 Revision: 06-Aug-07
For any questions, contact: foil@vishay.com
PR O DU CT
25 V - 65 C to + 125 C R = 0.01 % (100 ppm) Ratio = 0.005 % (50 ppm) R = 0.015 % (150 ppm) Ratio = 0.01 % (100 ppm) Successfully passed > 104 M R = 0.01 % (100 ppm) Ratio = 0.005 % (50 ppm) R = 0.02 % (200 ppm) Ratio = 0.005 % (50 ppm) R = 0.005 % (50 ppm) Ratio = 0.0025 % (25 ppm) R = 0.01 % (100 ppm) Ratio = 0.005 % (50 ppm) R = 0.01 % (100 ppm) Ratio = 0.005 % (50 ppm) R = 0.005 % (50 ppm) Ratio = 0.005 % (50 ppm) R = 0.005 % (50 ppm) Ratio = 0.005 % (50 ppm) R = 0.005 % (50 ppm) Ratio = 0.0025 % (25 ppm) R = 0.005 % (50 ppm) Ratio = 0.0025 % (25 ppm) 0.04 g www.vishay.com 3
DSMZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Bulk Metal(R) Z-Foil Surface Mount Voltage Divider, TCR Tracking of < 0.1 ppm/C, PCR of 5 ppm at Rated Power and Stability of 0.005 % (50 ppm)
TABLE 3 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y4485V0067QT9W (preferred part number format) DENOTES PRECISION Y VCODE* RESISTANCE VALUE CODE TOLERANCE MATCH T = 0.01 % Q = 0.02 % A = 0.05 % PACKAGING R = Tape and Reel W = Waffle Pack L = Bulk Pack
Y
4
4
8
5
V
PRODUCT CODE 4485 = DSMZ
RESISTANCE TOLERANCE Q = 0.02 % A = 0.05 % B = 0.10 %
FOR EXAMPLE: ABOVE GLOBAL ORDER Y4485 V0067 Q T 9 W: TYPE: DSMZ VALUES: 10K/400R ABSOLUTE TOLERANCE: 0.02 % TOLERANCE MATCH: 0.01 % TERMINATION: Lead (Pb)-free PACKAGING: Waffle Pack
HISTORICAL PART NUMBER: DSMZ 10K 400R TCR0.2 Q T S W (will continue to be used) DSMZ MODEL 10K 400R OHMIC VALUE R1 = 10 k R2 = 400 TCR0.2 TCR CHARACTERISTIC Q T
ABSOLUTE TOLERANCE
Q = 0.02 % A = 0.05 % B = 0.10 %
IM PR O VE D
Note * For non-standard requests or additional values, please contact Application Engineering.
TABLE 4 - RESISTANCE VALUE CODE LIST FOR POPULAR RATIOS1)
VCODES V0052 R1/R2 RATIO 100 50 R1 R2 VCODES V0080 V0081 V0082 V0083 V0084 V0085 V0086 V0087 1.25 2 R1/R2 RATIO 2.5 R1 1K 500R 10K 2K 1K 400R 200R 500R R2 400R 200R 5K 1K 500R 200R 100R 400R 10K 5K 100R
V0065
10K
200R
V0066
100R
V0067 V0068
25
10K 5K
400R 200R
V0069
V0070
20
10K 2K
500R 1K
100R
V0071
10K 2K 1K
V0072 V0073 V0074
10
200R 100R 1K
5K
V0075 V0076 V0077 V0246 V0078 V0079
5
2K 1K
400R 200R 2K5
500R 10K 2K 400R
100R 500R 100R
4
Note 1. Other values available upon request. www.vishay.com 4 For any questions, contact: foil@vishay.com Document Number: 63121 Revision: 06-Aug-07
PR O DU CT
0 0 6 7 Q T 9 W
AER* 0 = Standard 9 = Lead (Pb)-free 1 - 999 = Custom S W TOLERANCE MATCH T = 0.01 % Q = 0.02 % A = 0.05 % TERMINATION PACKAGING S = Lead (Pb)-free B = Tin/Lead T = Tape and Reel W = Waffle Pack B = Bulk Pack V0001 V0002 V0059 V0004 V0091 V0090 V0089 V0088 1 10K 5K 2K 1K 500R 400R 200R 100R 10K 5K 2K 1K 500R 400R 200R 100R
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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