H Series Datasheet by Vishay Foil Resistors (Division of Vishay Precision Group)

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VISHAY 0' 2223?“ Metal® Foil Technology Resistors with TCR of 1: 2 ppm/T, Tolerance of 1 0.001 "/0 Load Life Stability of 1 0.005 % / foxl@vishaypgtcom f0i|@vishaygg,com
New Generation of Secondary Standards Hermetically Sealed High Precision Bulk
Metal
®
Foil Technology Resistors with TCR of ± 2 ppm/°C, Tolerance of ± 0.001 % and
Load Life Stability of ± 0.005 % (Metrology, Laboratory, Instrumentation, Industrial)
H Series
Vishay Foil Resistors
Document Number: 63006 For any questions, contact: foil@vishaypg.com www.foilresistors.com
Revision: 23-Mar-10 1
INTRODUCTION
The H series resistors are oil-filled, hermetically sealed ultra
precision resistors and are used as secondary standards for
metrology applications.
The hermetic sealing eliminates the ingress of moisture and
oxygen, while the oil acts as a thermal conductor, thus
eliminating the long-term degradation elements of unsealed
resistors, while at the same time allowing the device to
accept short periods of overload without degradation.
Vishay’s Bulk Metal® Foil outperforms all other resistor
technologies available today for applications that require
precision and stability. When combined with the hermetic
sealing and oil filling, the H series resistors become the most
precise and stable resistors available.
With accuracies of 0.001 %, a resistance range from 5 Ω
to 1.84 MΩ, and long term shelf life of less than 2 ppm,
these devices are virtually secondary standards that can be
carried in sets for daily or periodic calibration of factory
measurement equipment.
The H series is available with laboratory and metrology
level precision and long-term stability with additional
in-house oriented processes such as: chip stabilization,
special TCR plotting, additional treatments for ultra
stability and special post manufacturing operations
(PMO). (Please refer to the last page)
FEATURES
Temperature coefficient of resistance (TCR):
± 2 ppm/°C typical (- 55 °C to + 125 °C, + 25 °C
ref.). For ultra high performances
(instrumentation and metrology) please refer to
the last page
Resistance range: 5 Ω to 1.84 MΩ (higher or
lower values of resistance available)
Vishay Foil resistors are not restricted to standard values;
specific “as required” values can be supplied at no extra
cost or delivery (e.g. 1K2345 vs. 1K)
Power rating: 0.3 W to 2.5 W at + 25 °C (depending on
model - see table 2)
Tolerance: to ± 0.001 % (10 ppm)
Load life stability to ± 0.002 % (20 ppm) at 25 °C, 2000 h
at rated power
Load life stability can be considerably improved
through in-house stabilization
Shelf life stability: ± 2 ppm for at least 6 years
(unaffected by humidity)
Electrostatic discharge (ESD) up to 25 000 V
Rise time: 1 ns effectively no ringing
Thermal stabilization time < 1 s (nominal value achieved
within 10 ppm of steady state value)
Current noise: 0.010 µVRMS/V of applied voltage (< - 40 dB)
Thermal EMF: 0.05 µV/°C typical
Voltage coefficient: < 0.1 ppm/V
Non-inductive: < 0.08 µH
Non-inductive, non-capacitive design
Non hot spot design
Terminal finish available: lead (Pb)-free or tin/lead alloy
Impervious to harmful environments - oil-filled
Compliant to RoHS directive 2002/95/EC
Prototype quantities available in just 5 working days
or sooner. For more information, please contact
foil@vishaypg.com
For better performances (values, TCR, tolerance, stability),
please see the HZ series
Note
For maximum TCR < 1 ppm/°C, see VHP100 and contact
application engineering
* Pb containing terminations are not RoHS compliant, exemptions may apply
TABLE 1 - TCR VS. RESISTANCE VALUE
RESISTANCE
VALUE (Ω)
TYPICAL TCR AND MAX. SPREAD
(- 55 °C to + 125 °C, + 25 °C ref.)
(ppm/°C)
100 to < 1M84 ± 2 ± 2.5
50 to < 100 ± 2 ± 3.5
5 to < 50 ± 2 ± 4.5
FIGURE 1 - SHELF LIFE - VHA518-11
12K9 VS. QHE
Time (Days)
Resistance Change (ppm)
0 100 200 300 400 500 600 700 800 900 1000
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
- 0.1
VISHAY .175 00I\@v\shaygg.com
H Series
Vishay Foil Resistors
www.foilresistors.com For any questions, contact: foil@vishaypg.com Document Number: 63006
2Revision: 23-Mar-10
Notes
* Available in a 4-lead terminal
** 0.375 H available
See next page for numbered footnotes
FIGURE 2 - POWER DERATING CURVE
+ 100
+ 75
+ 50
+ 25
0
- 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 17
5
Percent of Rated Power
- 55 °C
Ambient Temperature (°C)
FIGURE 3 - TRIMMING TO VALUES
(Conceptual Illustration)
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
Before 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
Current Path
After Trimming
Interloop Capacitance
Reduction in Series
FIGURE 4 - TYPICAL RESISTANCE/
TEMPERATURE CURVE
2 ppm/°C
+ 150
+ 100
+ 50
0
- 50
- 100
- 150
- 200
(ppm)
Δ
R
R
Ambient Temperature (°C)
C Alloy 2 ppm/°C
- 55 + 125+ 100+ 75+ 50+ 250- 25
TABLE 2 - MODEL SELECTION
MODEL
NUMBER
RESISTANCE
RANGE
(
Ω
)
STANDARD RESISTANCE
TOLERANCE PER RANGE
MAXIMUM
WORKING
VOLTAGE
(2)
POWER
RATING
at + 25 °C
AVERAGE
WEIGHT
(g)
CONSTRUCTION
BRIEF
DIMENSIONS
(3)
RANGE
(
Ω
)
TIGHTEST
(%) INCHES mm
VHP202 5 to 100K
> 100K to 150K
1K to
(1)
500 to < 1K
50 to < 500
30 to < 50
20 to < 30
10 to < 20
5 to < 10
± 0.001
± 0.0025
± 0.005
± 0.01
± 0.02
± 0.05
± 0.1
300 0.3 W
0.2 W 1.4
Oil-filled, tinned
copper leads, nickel
shell, kovar and
glass header
W: 0.162 ± 0.020
L: 0.415 ± 0.020
H: 0.430 ± 0.020**
LL: 1.000 ± 0.125
LS: 0.150 ± 0.010
(4)
ST: 0.095 max.
4.11 ± 0.51
10.54 ± 0.51
10.92 ± 0.51
25.4 ± 3.18
3.81 ± 0.25
2.41 max.
VHA412 5 to 100K
> 100K to 150K 250 0.3 W
0.2 W 4.6
Oil-filled,
tinned copper leads,
tinned brass shell,
kovar and
glass end bells
L: 0.625 ± 0.031
D: 0.375 ± 0.031
LL: 1.000 min.
15.88 ± 0.79
9.53 ± 0.79
25.4 min.
VHA414 5 to 200K
> 200K to 335K 350 0.5 W
0.3 W 7.3 L: 1.000 ± 0.031
D: 0.375 ± 0.031
LL: 1.000 min.
25.4 ± 0.79
9.53 ± 0.79
25.4 min.
VHA512* 5 to 300K
> 300K to 500K 350 0.75 W
0.4 W 6.3 L: 0.625 ± 0.031
D: 0.500 ± 0.031
LL: 1.000 min.
15.88 ± 0.79
12.7 ± 0.79
25.4 min.
VHA516-4*
VHA516-5*
VHA516-6*
5 to 400K
> 400K to 668K
5 to 500K
> 500K to 835K
5 to 600K
> 600K to 1M
500
1.0 W
0.5 W
1.25 W
0.6 W
1.5 W
0.7 W
9.2 L: 1.000 ± 0.031
D: 0.500 ± 0.031
LL: 1.000 min.
25.4 ± 0.79
12.7 ± 0.79
25.4 min.
VHA518-7*
VHA518-8*
VHA518-9*
VHA518-10*
VHA518-11*
5 to 700K
> 700K to 1M17
5 to 800K
> 800K to 1M34
5 to 900K
> 900K to 1M5
5 to 1.0M
> 1.0M to 1M67
5 to 1.0M
> 1.0M to 1M84
600
1.75 W
0.8 W
2.0 W
0.9 W
2.25 W
1.0 W
2.5 W
1.1 W
2.5 W
1.2 W
13.5 L: 1.500 ± 0.031
D: 0.500 ± 0.031
LL: 1.000 min.
38.1 ± 0.79
12.7 ± 0.79
25.4 min.
VISHAY jl=tl 31:0:- mmwsha mm
H Series
Vishay Foil Resistors
Document Number: 63006 For any questions, contact: foil@vishaypg.com www.foilresistors.com
Revision: 23-Mar-10 3
Notes
(1)
Upper end of resistance range varies with model selected (i.e. VHP202; the range is to 150 k
Ω
; VHA518-10, the range is to 1M67
Ω
) per table 2
(2)
Not to exceed power rating of resistor
(3)
Insulating sleeve - a special case insulating plastic sleeve is available on VHA models. See table 4 for instructions on how to specify
(4)
0.200
"
(5.08 mm) lead spacing available - specify VH202J
(5)
Inductance (L) due mainly to the leads
(6)
The resolution limit of existing test equipment (within measurement capability of the equipment, or “essentially zero”)
(7)
µV/°C relates to EMF due to lead temperature difference and µV/W due to power applied to the resistor
(8)
Load life
Δ
R maximum. Can be reduced through in-house oriented processes
POST MANUFACTURING OPERATIONS OR PMO FOR IMPROVED END OF LIFE
Many analog applications can include requirements for
performance under conditions of stress beyond the normal
and over extended periods of time. This calls for more than
just selecting a standard device and applying it to a circuit.
The standard device may turn out to be all that is needed but
an analysis of the projected service conditions should be
made and it may well dictate a routine of stabilization known
as post manufacturing operations or PMO. The PMO
operations that will be discussed are only applicable to Bulk
Metal Foil resistors. They stabilize Bulk Metal Foil resistors
while they are harmful to other types. Short time overload,
accelerated load life, and temperature cycling are the three
PMO exercises that do the most to remove the anomalies
down the road. Vishay Bulk Metal Foil resistors are
inherently stable as manufactured. These PMO exercises
are only of value on Bulk Metal Foil resistors and they
improve the performance by amounts that are small but
significant when compared to the very tight tolerances. Users
are encouraged to contact Vishay Foil applications
engineering for assistance in choosing the PMO operations
that are right for their application.
FIGURE 5 - STANDARD IMPRINTING AND DIMENSIONS
TABLE 3 - “H” SERIES SPECIFICATIONS
Stability (8)
Load life at 2000 h ± 0.002 % (20 ppm) at 25 °C at rated power
Shelf life ± 2 ppm (0.0002 %) for at least 6 years
Current Noise < - 40 dB
High Frequency Operation
Rise time 1.0 ns without ringing
Inductance (L) (5) 0.1 µH maximum; 0.08 µH typical
Capacitance (C) 1.0 pF maximum; 0.5 pF typical
Voltage Coefficient < 0.1 ppm/V (6)
Thermal EMF (7) 0.1 µV/°C maximum; 0.05 µV/°C typical; 1 µV/W maximum
Hermeticity 10-7 atmospheric cc/s maximum
LS
Model
Number
VISHAY
XXXX
VHP202
ST
H
L
Date Code
W
Front View Rear View
Lead Material
#22 AWG Round
Solder Coated Copper
Resistance
Value Code
Tolerance
Serial No.
100R01
0.01%
XXXX
06
Week
07
Year
LL
Lead Material #22 AWG
Round Solder Coated Copper
Tolerance
Model No.
Resistance
Value Code
Date Code
10
Week
07
Year
VISHAY
XXXX
VHA412
100R01 0.005%
D
LLL
VISHAY 1/2353?“ r a ‘—‘ HHHHHHHHHHHHHH‘ :l— ,——l—,_—I— H H H H H 00H@wshaygg.com
H Series
Vishay Foil Resistors
www.foilresistors.com For any questions, contact: foil@vishaypg.com Document Number: 63006
4Revision: 23-Mar-10
Notes
(1) For non-standard requests, please contact application engineering
(2) 4-terminal construction of these types are available, please quote:
TABLE 4 - GLOBAL PART NUMBER INFORMATION (1)
NEW GLOBAL PART NUMBER: Y0019120K500V9L (preferred part number format)
DENOTES PRECISION VALUE CHARACTERISTICS
YR = Ω
K = kΩ
M = MΩ
0 = standard
1 = tin/lead with plastic sleeve
9 = lead (Pb)-free
19 = lead (Pb)-free with plastic sleeves
2 to 999 = custom
PRODUCT CODE RESISTANCE TOLERANCE PACKAGING
0024 = VHP202 and VH202C
0019 = VHA412
0025 = VHA414
0023 = VHA512
1725 = VHA512 (4-terminals)
0104 = VHA516-4
1726 = VHA516-4 (4-terminals)
0105 = VHA516-5
1727 = VHA516-5 (4-terminals)
0106 = VHA516-6
1728 = VHA516-6 (4-terminals)
0107 = VHA518-7
1729 = VHA518-7 (4-terminals)
0108 = VHA518-8
1730 = VHA518-8 (4-terminals)
0109 = VHA518-9
1731 = VHA518-9 (4-terminals)
0110 = VHA518-10
1732 = VHA518-10 (4-terminals)
0111 = VHA518-11
1733 = VHA518-11 (4-terminals)
S = ± 0.001 %
U = ± 0.002 %
X = ± 0.0025 %
V = ± 0.005 %
T = ± 0.01 %
Q = ± 0.02 %
A = ± 0.05 %
B = ± 0.1 %
C = ± 0.25 %
D = ± 0.5 %
F = ± 1.0 %
L = bulk pack
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0019 120K500 V 9 L:
TYPE: VHA412
VALUE: 120.5 kΩ
ABSOLUTE TOLERANCE: ± 0.005 %
TERMINATION: lead (Pb)-free
PACKAGING: bulk pack
HISTORICAL PART NUMBER: VHA412T 120K50 V B (will continue to be used)
VHA412 T 120K50 V B
MODEL TERMINATION PLASTIC SLEEVE OHMIC VALUE TOLERANCE PACKAGING
VHP202 and VH202C
VHA412
VHA414
VHA512 (2)
VHA516-4 (2)
VHA516-5 (2)
VHA516-6 (2)
VHA518-7 (2)
VHA518-8 (2)
VHA518-9 (2)
VHA518-10 (2)
VHA518-11 (2)
T = lead (Pb)-free
None = tin/lead
P = plastic sleeve
None = standard
120K50 = 120.5 kΩS= ± 0.001 %
U= ± 0.002 %
X= ± 0.0025 %
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 = bulk pack
2-Terminal VHA512 VHA516-4 VHA516-5 VHA516-6 VHA518-7 VHA518-8 VHA518-9 VHA518-10 VHA518-11
4-Terminal 302073 302074-4 302074-5 302074-6 302075-7 302075-8 302075-9 302075-10 302075-11
0191 0K52Y0 V90 L0
VISHAY loil@vi5haypg com foflfilwshayggfiom
H Series
Vishay Foil Resistors
Document Number: 63006 For any questions, contact: foil@vishaypg.com www.foilresistors.com
Revision: 23-Mar-10 5
ULTRA HIGH PRECISION HERMETICALLY
SEALED RESISTORS
INTRODUCTION
The response of Vishay's hermetically sealed resistors under
variable conditions and stresses can be made better by
additional in-house oriented processes (PMO). Processes
such as short time overload, accelerated load life and
temperature cycling produce enhanced levels of accuracy,
stability and speed, offering immediate answers to many
resistor applications currently believed unsolvable, and
opens entirely new areas of design where the use of
resistors had not been considered.
APPLICATIONS INCLUDE
Resistance standards
Feedback devices for operational amplifiers
Precision voltage dividers
Meter multipliers
Precision bridge resistors
Decade voltage dividers
See table 5 for the improvement to expect in hermetically
sealed parts when calling for Vishay in-house oriented
processes (PMO).
ORDERING INFORMATION
Resistors are built to your requirements. Send your schematic and electrical requirements to the applications engineering
department at foil@vishaypg.com. A unique part number will be assigned which defines all aspects of your resistor.
TABLE 5 - EXAMPLES OF NON-STANDARD REQUIREMENTS
TYPE VALUE TOLERANCE TCR REMARKS
ABSOLUTE MATCH ABSOLUTE TRACKING
VHA518-11 Set of 10 Resistors
(+ 20 °C to + 30 °C) 1 Ω0.1 % 0.005 % 0.5 ppm/°C 0.5 ppm/°C with PMO
VHA518-7 4-Terminal (+ 20 °C to + 30 °C)
10 Ω0.05 % - 0.5 ppm/°C -
with PMO
100 Ω0.01 % - 0.5 ppm/°C -
120 Ω0.005 % - 0.4 ppm/°C -
1K 0.005 % - 0.3 ppm/°C -
10K 0.001 % - 0.3 ppm/°C -
100K 0.001 % - 0.3 ppm/°C -
VHA518-7 4-Terminal Matched Pairs
(+ 20 °C to + 30 °C)
10 Ω0.05 % 0.02 % 0.5 ppm/°C 0.5 ppm/°C
with PMO
100 Ω0.01 % 0.01 % 0.5 ppm/°C 0.5 ppm/°C
1K 0.005 % 0.002 % 0.3 ppm/°C 0.3 ppm/°C
10K 0.001 % 0.002 % 0.3 ppm/°C 0.3 ppm/°C
100K 0.001 % 0.002 % 0.3 ppm/°C 0.3 ppm/°C
VHA518 Set of 10 Resistors
(+ 18 °C to + 28 °C, + 23 °C ref.) 999Ω475 0.05 % 0.005 % 0.5 ppm/°C 0.5 ppm/°C with PMO
VISHAY PRECISION ROUP
Vishay Precision Group
Document No.: 63999
Revision: 27-Apr-2011
www.vishaypg.com
1
Legal Disclaimer Notice
Disclaimer
Legal Disclaimer Notice
Disclaimer
Document No.: 63999
Revision: 27-Apr-2011
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their
behalf (collectively, “Vishay Precision Group”), disclaim any and all liability for any errors, inaccuracies or
incompleteness contained herein or in any other disclosure relating to any product.
The product specifications do not expand or otherwise modify Vishay Precision Group’s terms and
conditions of purchase, including but not limited to, the warranty expressed therein.
Vishay Precision Group makes no warranty, representation or guarantee other than as set forth in the terms
and conditions of purchase. To the maximum extent permitted by applicable law, Vishay Precision
Group disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and
all liability, including without limitation special, consequential or incidental damages, and (iii) any and
all implied warranties, including warranties of fitness for particular purpose, non-infringement and
merchantability.
Information provided in datasheets and/or specifications may vary from actual results in different
applications and performance may vary over time. Statements regarding the suitability of products for
certain types of applications are based on Vishay Precision Group’s knowledge of typical requirements that
are often placed on Vishay Precision Group products. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular
application.
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or
by any conduct of Vishay Precision Group.
The products shown herein are not designed for use in life-saving or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay Precision Group products not expressly
indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay
Precision Group for any damages arising or resulting from such use or sale. Please contact authorized
Vishay Precision Group 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.
VF'G ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc.
www.vpgsensors.com
1
Legal Disclaimer Notice
Document No.: 63999
Revision: 15-Jul-2014
Disclaimer
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “VPG”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in
any other disclosure relating to any product.
The product specifications do not expand or otherwise modify VPG’s terms and conditions of purchase, including but
not limited to, the warranty expressed therein.
VPG makes no warranty, representation or guarantee other than as set forth in the terms and conditions of purchase.
To the maximum extent permitted by applicable law, VPG disclaims (i) any and all liability arising out of the
application or use of any product, (ii) any and all liability, including without limitation special, consequential or
incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose,
non-infringement and merchantability.
Information provided in datasheets and/or specifications may vary from actual results in different applications and
performance may vary over time. Statements regarding the suitability of products for certain types of applications
are based on VPG’s knowledge of typical requirements that are often placed on VPG products. It is the customer’s
responsibility to validate that a particular product with the properties described in the product specification is suitable for
use in a particular application. You should ensure you have the current version of the relevant information by contacting
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No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by any
conduct of VPG.
The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
expressly indicated. Customers using or selling VPG products not expressly indicated for use in such applications do
so entirely at their own risk and agree to fully indemnify VPG for any damages arising or resulting from such use or sale.
Please contact authorized VPG personnel to obtain written terms and conditions regarding products designed for such
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Product names and markings noted herein may be trademarks of their respective owners.
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