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Datasheet> All Categories > Passive components> The resistor> VPR221SZT71R500TCR0.2CB
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VPR221SZT71R500TCR0.2CB

Description
Fixed Resistor, Metal Foil, 8W, 71.5ohm, 300V, 0.25% +/-Tol, -.2,.2ppm/Cel, 6940,
CategoryPassive components    The resistor   
File Size96KB，5 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
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VPR221SZT71R500TCR0.2CB Overview

Fixed Resistor, Metal Foil, 8W, 71.5ohm, 300V, 0.25% +/-Tol, -.2,.2ppm/Cel, 6940,

VPR221SZT71R500TCR0.2CB Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid943635754
Reach Compliance Codeunknown
ECCN codeEAR99
structureRectangular
Number of terminals2
Maximum operating temperature150 °C
Minimum operating temperature-55 °C
Package height3.81 mm
Package length17.65 mm
Package shapeRECTANGULAR PACKAGE
Package formSMT
Package width10.16 mm
method of packingBulk
Rated power dissipation(P)8 W
GuidelineMIL-PRF-39009
resistance71.5 Ω
Resistor typeFIXED RESISTOR
seriesVPR221SZ (Z-FOIL)
size code6940
technologyMETAL FOIL
Temperature Coefficient0.2 ppm/°C
Tolerance0.25%
Operating Voltage300 V

VPR221SZT71R500TCR0.2CB Preview

VPR221SZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Surface Mount Power Resistor
in TO-220 Configuration with TCR of ± 0.05 ppm/°C,
PCR of 4 ppm/W and Load Life Stability of ± 0.005 % (50 ppm)
FEATURES
•
Temperature Coefficient of Resistance (TCR):
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Any value at any tolerance available within resistance range
INTRODUCTION
The Z-Foil Technology provides a significant reduction of the
resistive component’s sensitivity to ambient temperature
variations (TCR) and applied power changes (PCR).
Model VPR221SZ is a 4 lead kelvin connected surface
mount device which provides high rated power, excellent
load life stability, low Temperature Coefficient (TCR) and low
Power Coefficient (PCR) - all in one resistor. ± 0.05 ppm/°C
Absolute TCR removes error due to temperature gradients.
By taking advantage of the overall stability and reliability of
Vishay Bulk Metal
®
Z-Foil resistors, designers can
significantly reduce circuit errors and greatly improve overall
circuit performances.
IM
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Our Application Engineering Department is available to
advise and make recommendations. For non-standard
technical requirements and special applications, please
contact us.
•
•
•
•
•
•
•
•
•
•
•
± 0.05 ppm/°C typical (0 °C to + 60 °C)
Pb-free
± 0.2 ppm/°C typical (- 55 °C to + 125 °C,
Available
+ 25 °C Ref.) (see table 1)
RoHS*
COMPLIANT
Tolerance: to ± 0.01 %
Power Coefficient “ΔR due to self heating”:
4 ppm/W typical
Rated Power: 8 W chassis mounted (MIL-PRF-39009)
Load Life Stability: to ± 0.005 % at 25 °C for 2000 hours,
at 1.5 W
Resistance Range: 0.5
Ω
to 500
Ω
Electrostatic Discharge (ESD) above 25 000 Volts
Short Time Overload
≤
0.001 % (10 ppm)
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
Non Hot Spot Design
Terminal Finishes available: Lead (Pb)-free
Tin/Lead Alloy
Any value available within resistance range (e.g. 1K234)
Prototype samples available from 48 hours. For more
information, please contact foil@vishay.com
For better performances please contact us
Automatic Test Equipment (ATE)
High Precision Instrumentation
Electron Beam application
Current Sensing applications
I
Pulse applications
Military
I
Power amplifier
Power supplies
1
TABLE 1 - TCR AND TOLERANCE
TIGHTEST
RESISTANCE
TOLERANCE
± 0.05 %
± 0.02 %
RESISTANCE
RANGE (Ω)
0.5 to < 1
1 to < 10
TYPICAL TCR AND
MAX. SPREAD
1)
± 0.2 ppm/°C ± 2.8 ppm/°C
± 0.2 ppm/°C ± 2.3 ppm/°C
Percent of Rated Power
10 to 500
± 0.01 %
± 0.2 ppm/°C ± 1.8 ppm/°C
Notes
•
1. MIL-Range (- 55 °C to + 125 °C, + 25 °C Ref.)
Contact Applications Engineering for other available values
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
1
For any questions, contact: foil@vishay.com
Document Number: 63127
Revision: 11-Jun-07
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APPLICATIONS
R
I
E
1
V
E
2
I
2
FIGURE 1- POWER DERATING CURVE
- 55 °C
100
75
50
25
0
- 75
- 50
- 25
0
25
50
75
100
125
150
Ambient Temperature (°C)
VPR221SZ (Z-Foil)
Ultra High Precision Z-Foil Surface Mount Power Resistor
Vishay Foil Resistors
in TO-220 Configuration with TCR of ± 0.05 ppm/°C, PCR
of 4 ppm/W and Load Life Stability of ± 0.005 % (50 ppm)
FIGURE 2 - TRIMMING TO VALUES
(Conceptual Illustration)
FIGURE 3 - TYPICAL TCR CURVE Z-FOIL
(for more details see table 1)
+ 500
+ 400
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 4 - VPR221SZ FORMING
DIMENSIONS
in inches (millimeters)
0.365 (9.27) Ref
0.015 ± 0.002
(0.38 ± 0.05)
0.150 ± 0.008
(3.81 ± 0.20)
0.050 ± 0.005
(1.27 ± 0.13)
Before Forming
0.078 ± 0.005
(1.98 ± 0.13)
0.695 ± 0.010
(17.65 ± 0.25)
0.110 (2.79) Ref
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0.090 (2.286) Ref
0.090 ± 0.010
(2.29 ± 0.25)
Heat Sink
After Forming
Flush with Heat Sink
Within ± 0.002 (± 0.05)
FIGURE 6 - LAND PATTERN DIMENSIONS
in inches (millimeters)
0.050 ± 0.010
(1.27 ± 0.25)
0.120 ± 0.010
(3.05 ± 0.25)
Document Number: 63127
Revision: 11-Jun-07
For any questions, contact: foil@vishay.com
PR
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+ 100
ΔR
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)
Interloop Capacitance
Reduction in Series
Current Path
Before Trimming
+ 300
+ 200
FIGURE 5 - VPR221SZ DIMENSIONS
in
inches (millimeters)
0.400 ± 0.010
(10.16 ± 0.25)
0.150 ± 0.008
(3.81 ± 0.20)
0.245 ± 0.010
(6.22 ± 0.25)
0.115 ± 0.005
(2.92 ± 0.13)
0.050 ± 0.005
(1.27 ± 0.13)
VISHAY
VPR221SZ
1R0 1
%
0101
0.141 ± 0.005 Dia
(3.58 ± 0.13)
0.615 Max
(15.62)
0.200 ± 0.030
(5.08 ± 0.76)
0.050 ± 0.005
(1.27 ± 0.13)
0.540 ± 0.040
(13.72 ± 1.02)
0.030 ± 0.002
(0.76 ± 0.05)
I
1
E
1
E
2
I
2
0.015 ± 0.002
(0.38 ± 0.05)
0.078 ± 0.005
(1.98 ± 0.13)
0.100 ± 0.005
(2.54 ± 0.13)
0.10 ± 0.005
(2.54 ± 0.12)
www.vishay.com
2
VPR221SZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Surface Mount Power Resistor
in TO-220 Configuration with TCR of ± 0.05 ppm/°C, PCR
of 4 ppm/W and Load Life Stability of ± 0.005 % (50 ppm)
TABLE 2 - SPECIFICATIONS
Power Rating at + 25 °C
Current Noise
High Frequency Operation
Rise Time
Inductance
3)
(L)
Capacitance (C)
Voltage Coefficient
4)
Operating Temperature Range
Maximum Working Voltage
Thermal EMF
5)
Weight
8 W or 3 A
1)
on heat sink
2)
1.5 watts in free air
Further derating not necessary.
< 0.010 µV (rms)/V of applied voltage (- 40 dB)
0.2 ns at 1 W
0.1 µH maximum: 0.03 µH typical
1.0 pF maximum: 0.5 pF typical
< 0.1 ppm/V
- 55 °C to + 150 °C
300 V, Not to exceed power rating
0.15 µV/°C maximum (lead effect)
1.2 g maximum
Notes
1. Whichever is lower.
2. Heat sink chassis dimensions are requirements per MIL-R-39009/1B:
DIMENSIONS
L
W
H
T
inches
6.00
4.00
2.00
0.04
mm
152.4
101.6
50.8
1.0
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TEST OR CONDITION
Low temperature storage 24 hours at - 55 °C
Dielectric withstanding voltage 300 V AC at Atm
Dielectric withstanding voltage 200 V AC at Brm
Insulation resistance
3. Inductance (L) mainly due to the leads.
4. The resolution limit of existing test requirement (within the measurement capability of the equipment, “essentially zero”).
5. µV/°C relates to EMF due to lead temperature difference.
TABLE 3 - PERFORMANCE SPECIFICATIONS
1)
MIL-PRF 39009
MIL-PRF 39009
TYPICAL
ΔR
± 0.001 % (10 ppm)
± 0.001 % (10 ppm)
± 0.001 % (10 ppm)
MAXIMUM
ΔR
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
> 10
4
MΩ
± 0.002 % (20 ppm)
± 0.001 % (10 ppm)
± 0.005 % (50 ppm)
± 0.001 % (10 ppm)
± 0.005 % (50 ppm)
± 0.005 % (50 ppm)
± 0.005 % (50 ppm)
± 0.008 % (80 ppm)
± 0.002 % (20 ppm)
± 0.015 % (150 ppm)
± 0.002 % (20 ppm)
± 0.015 % (150 ppm)
± 0.015 % (150 ppm)
± 0.01 % (100 ppm)
± 0.3 % + 0.01
Ω
Low temperature operation
Short time overload 5 x rated power for 5 seconds (in air)
Moisture resistance + 65 °C to - 10 °C, 90 to 98 Rh, 10 days
Terminal Strength
Load life 8 W at + 25 °C, 2000 hours with heat sink
Load life 1.5 W at + 25 °C for 2000 hours in free air
High temperature exposure + 150 °C
Note
1. Measurement error ± 0.001 %
www.vishay.com
3
For any questions, contact: foil@vishay.com
PR
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± 0.2 % + 0.01
Ω
± 0.2 % + 0.01
Ω
> 10
4
MΩ
± 0.3 % + 0.01
Ω
± 0.3 % + 0.01
Ω
± 0.5 % + 0.01
Ω
± 0.2 % + 0.01
Ω
± 1.0 % + 0.01
Ω
± 1.0 % + 0.01
Ω
± 1.0 % + 0.05
Ω
Document Number: 63127
Revision: 11-Jun-07
VPR221SZ (Z-Foil)
Ultra High Precision Z-Foil Surface Mount Power Resistor
Vishay Foil Resistors
in TO-220 Configuration with TCR of ± 0.05 ppm/°C, PCR
of 4 ppm/W and Load Life Stability of ± 0.005 % (50 ppm)
TABLE 4 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y2123420R220T9L (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
Ω
AER*
0
= Standard
9
= Lead (Pb)-free
1 - 999
= Custom
Y
2
1
2
3
4
2
PRODUCT CODE
2123
= VPR221SZ
RESISTANCE TOLERANCE
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
FOR EXAMPLE: ABOVE GLOBAL ORDER Y2123 420R220 T 9 L:
TYPE: VPR221SZ
VALUE: 420.22
Ω
ABSOLUTE TOLERANCE: ± 0.01 %
TERMINATION: Lead (Pb)-free
PACKAGING: Bulk
HISTORICAL PART NUMBER: VPR221SZ T 420R22 TCR0.2 T B (will continue to be used)
VPR221SZ
MODEL
T
TERMINATION
T
= Lead (Pb)-free
none = Tin/Lead
420R22
OHMIC VALUE
420.22
Ω
TCR0.2
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Note
* For non-standard requests, please contact Application Engineering.
Document Number: 63127
Revision: 11-Jun-07
For any questions, contact: foil@vishay.com
PR
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CT
0
R
2
2
0
T
9
L
PACKAGING
L
= Bulk
T
B
TCR
CHARACTERISTIC
TCR0.2
ABSOLUTE
TOLERANCE
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING
B
= Bulk
www.vishay.com
4
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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