300145ZTR2TCR0.2BVB
更新时间：2024-09-18 07:57:17
品牌：VISHAY
描述：Ultra High Precision Z-Foil Voltage Divider Resistors with TCR
概述
数据手册300145ZTR2TCR0.2BVB 概述
Ultra High Precision Z-Foil Voltage Divider Resistors with TCR 超高精度Z箔分压器电阻与TCR
300145ZTR2TCR0.2BVB 数据手册
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PDF下载300144Z, 300145Z (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Voltage Divider Resistors with TCR
Tracking to 0.1 ppm/°C, Power Coefficient Tracking of 5 ppm
at Rated Power, and Tolerance Match to 0.005 % (50 ppm)
FEATURES
• Temperature coefficient of resistance (TCR):
absolute:
Pb-free
Available
0.05 ppm/°C typical (0 °C to + 60 °C)
0.2 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.)
RoHS*
COMPLIANT
tracking: 0.1 ppm/°C typical
• Tolerance: absolute and matching to 0.005 %
• Power coefficient tracking “ΔR due to self heating”: 5 ppm
at rated power
Any value at any tolerance available within resistance range
• Power rating: 0.2 W at 70 °C, for the entire resistive
element R1 and R2, divided proportionally between the
two elements
INTRODUCTION
• Ratio stability: < 0.001 % (10 ppm) 0.2 W at 70 °C for
2000 h
The 300144Z, 300145Z voltage dividers are the first choice
for ultra high precision, stability and reliable voltage division.
• Maximum working voltage: 200 V
• Electrostatic discharge (ESD) above 25 000 V
• Non inductive, non capacitive design
• Rise time: 1 ns without ringing
• Current noise: < - 40 dB
• Thermal EMF: 0.05 µV/°C typical
• Voltage coefficient: < 0.1 ppm/V
• Non inductive: < 0.08 µH
The Z-foil technology provides a significant reduction of the
resistive component’s sensitivity to ambient temperature
variations (TCR) and applied power changes (PCR).
0.05 ppm/°C absolute TCR removes errors due to
temperature gradients.
Models 300144Z and 300145Z offer low TCR (both absolute
and tracking), low power coefficient, excellent load life
stability, tight tolerance, excellent ratio stability, low thermal
EMF, low current noise and non sensitivity to ESD - all in one
package.
• Non hot spot design
• Terminal finishes available: lead (Pb)-free
tin/lead alloy
Model 300145Z is a pair-of 300144Z elements back to back
in a single molded package.
• Any value available within resistance range (e.g. 1K2345)
• Prototype samples available from 48 h. For more
information, please contact foil@vishay.com
By taking advantage of the overall stability and reliability of
Vishay Bulk Metal® foil resistors, designers can significantly
reduce circuit errors and greatly improve overall circuit
performances.
• For better performances please contact us
APPLICATIONS
• Instrumentation amplifiers
Our application engineering department is available to
advise and make recommendations. For non-standard
technical requirements and special applications. Please
contact us.
R
2
• Bridge networks
• Differential amplifiers
• Military
R
1
1
V
1
2
-
V
out
+
V
R
300144Z
300145Z
• Space
R
2
• Medical
• Automatic test equipment
• Down-hole (high temperature)
TABLE 1 - MODELS 300144Z AND 300145Z SPECIFICATIONS
ABSOLUTE TCR
(- 55 °C to + 125 °C, + 25 °C Ref.)
TCR TRACKING
TOLERANCE
RESISTANCE
RATIO
MODEL
TYPICAL AND MAX. SPREAD
TYPICAL
MAX.
ABSOLUTE
MATCH
1.1
4:1
10:1
0.1 ppm/°C
0.5 ppm/°C
0.5 ppm/°C
0.5 ppm/°C
0.5 ppm/°C
0.8 ppm/°C
1.0 ppm/°C
1.5 ppm/°C
0.005%
0.005%
0.01%
0.01%
0.005%
0.005%
0.01%
0.01%
300144Z
300145Z
0.2 ppm/°C 1.8 ppm/°C
> 10:1
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63115
Revision: 21-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
1
300144Z, 300145Z (Z-Foil)
Ultra High Precision Z-Foil Voltage Divider Resistors with TCR
Tracking to 0.1 ppm/°C, Power Coefficient Tracking of 5 ppm
at Rated Power, and Tolerance Match to 0.005 % (50 ppm)
Vishay Foil Resistors
FIGURE 1 - TRIMMING TO VALUES (conceptual illustration)
Current Path
Before Trimming
Interloop Capacitance
Reduction in Series
Current Path
After Trimming
Trimming Process
Mutual Inductance
Reduction due
to Change in
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Current Direction
Resistance
Note: Foil shown in black, etched spaces in white
FIGURE 2 - STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
Model 300144Z and Schematic2)
Model 300145Z and Schematic2)
0.375
(9.53)
0.2
(5.08)
0.1
0.295
(7.49)
Match
(2.54)
6
5
4
Tolerance
VISHAY
9825
300144Z
6
5
4
Date Code
Model No.
0.320
(8.13)
R1
R2
1
0.015 0.005
(0.38 0.13)
Low
Resistance
Value Indicator
R2
R1
R1
R2
0.751)
0.025 0.005
(0.64 0.13)
VISHAY
9825
300145Z
1
2
3
0.375
(9.53)
(19.05)
Date Code
Model No.
0.015 0.005
(0.38 0.13)
Match
Tolerance
1
2
3
0.751)
(19.05)
0.025 0.005
(0.64 0.13)
Tolerance: 0.010ꢀ (0.25)
0.1 (2.54)
1
2
3
1. Lead wires: #22 AWG solder coated copper,
0.75ꢀ minimum length
2. Each resistor contains 1 chip of two resistive
elements
1
2
3
0.1 (2.54)
FIGURE 3 - POWER DERATING CURVE
300144Z, 300145Z
FIGURE 4 - TYPICAL TCR CURVE Z-FOIL
(for more details see table 1)
- 55 °C
+ 70 °C
200 %
175 %
150 %
125 %
100 %
75 %
50 %
25 %
0
+ 500
+ 400
+ 300
+ 200
Double Rated Power
+ 100
ΔR
Rated Power
0
- 100
- 200
- 300
- 400
- 500
R
(ppm)
0.05 ppm/°C
- 0.1 ppm/°C 0.1 ppm/°C
0.14 ppm/°C
Safe operation
for < 150 ppm
R after 2000
hours load-life.
- 0.16 ppm/°C
0.2 ppm/°C
- 55
- 25
0
+ 25
+ 60 + 75 + 100 + 125
- 75 - 50 - 25
0
+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
Ambient Temperature (°C)
Note: Power is proportional to the divider ratio
Example: In a 300144Z (1K/10K dual), the power rating would be
18 mW on the 1K and 182 mW on the 10K, for a total of 200 mW on
R1 + R2.
R1
R2
P
P1 = (R1 + R2 )
P2 = (R1 + R2 )P
www.vishay.com
2
For any questions, contact: foil@vishay.com
Document Number: 63115
Revision: 21-Nov-07
300144Z, 300145Z (Z-Foil)
Ultra High Precision Z-Foil Voltage Divider Resistors with TCR
Tracking to 0.1 ppm/°C, Power Coefficient Tracking of 5 ppm
at Rated Power, and Tolerance Match to 0.005 % (50 ppm)
Vishay Foil Resistors
TABLE 2 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y1691V0058QT9L (preferred part number format)
DENOTES PRECISION
VCODE
TOLERANCE MATCH
PACKAGING
Y
RESISTANCE
VALUE CODE
V = 0.005 %
T = 0.01 %
Q = 0.02 %
A = 0.05 %
B = 0.1 %
D = 0.5 %
F = 1.0 %
L = bulk pack
Y
1
6
9
1
V
0
0
5
8
Q
T
9
L
PRODUCT CODE
RESISTANCE TOLERANCE
AER*
1691 = 300144Z
1735 = 300145Z
V = 0.005 %
T = 0.01 %
Q = 0.02 %
A = 0.05 %
B = 0.1 %
D = 0.5 %
F = 1.0 %
0 = standard
9 = lead (Pb)-free
1 - 999 = custom
FOR EXAMPLE: ABOVE GLOBAL ORDER Y1691 V0058 Q T 9 L:
TYPE: 300144Z
VALUES: 2K/20K
ABSOLUTE TOLERANCE: 0.02 %
TOLERANCE MATCH: 0.01 %
TERMINATION: lead (Pb)-free
PACKAGING: bulk pack
HISTORICAL PART NUMBER: 300144ZT 2K/20K TCR0.2 Q T B (will continue to be used)
300144Z
T
2K/20K
TCR0.2
Q
T
B
TCR
ABSOLUTE
TOLERANCE
TOLERANCE
MODEL
TERMINATION
OHMIC VALUE
PACKAGING
CHARACTERISTIC
MATCH
300144Z
300145Z
T = lead (Pb)-free
None = tin/lead alloy
R1 = 2 kΩ
R2 = 20 kΩ
V = 0.005 %
T = 0.01 %
Q = 0.02 %
A = 0.05 %
B = 0.1 %
D = 0.5 %
F = 1.0 %
V = 0.005 %
T = 0.01 %
Q = 0.02 %
A = 0.05 %
B = 0.1 %
D = 0.5 %
F = 1.0 %
B = bulk pack
Note
* For non-standard requests, please contact application engineering.
Document Number: 63115
Revision: 21-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
3
300144Z, 300145Z (Z-Foil)
Ultra High Precision Z-Foil Voltage Divider Resistors with TCR
Tracking to 0.1 ppm/°C, Power Coefficient Tracking of 5 ppm
at Rated Power, and Tolerance Match to 0.005 % (50 ppm)
Vishay Foil Resistors
TABLE 3 - RESISTANCE VALUE CODE LIST FOR POPULAR RATIOS
(other values available on request)
300144Z RATIOS
300145Z RATIOS
VCODES
V0009
V0010
V0100
V0055
V0223
V0097
V0001
V0042
V0006
V0226
V0003
V0013
V0107
V0014
V0005
V0002
V0026
V0058
V0030
V0029
V0032
V0004
V0022
V0061
R1
20K
20K
20K
19K4
17K5
15K
10K
10K
10K
9K
R2
20K
10K
2K
VCODES
V0008
V0019
V0092
V0023
V0047
V0051
V0227
R1
10K
5K
R2
10K
R3
10K
R4
10K
5K
5K
5K
1K
7K812
500R
8K8
7K812
500R
100R
100R
350R
1K
9K7
20K
15K
10K
8K323
2K
500R
100R
100R
350R
500R
8K8
10K
350R
10K
350R
10K
1K
9K
8K
16K
20K
7K
6K
6K
5K
10K
5K
5K
3K
19K2
20K
18K
4K
2K
2K
2K
1K
16K
1K
1K
511R
300R
16K2
300R
www.vishay.com
4
For any questions, contact: foil@vishay.com
Document Number: 63115
Revision: 21-Nov-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
www.vishay.com
1
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