Bulk Metal® Foil Technology Tubular Axial-Lead Resistors,
Meets or Exceed MIL-R-39005 Requirements
VTA52 through 56, VMTA55, VMTB60
Vishay Foil Resistors
Document Number: 63011 For any questions, contact: foil@vishaypg.com www.foilresistors.com
Revision: 23-Mar-10 1
Any value and tolerance available within resistance range
This series of axial leaded resistors is made using the same
foil technology as the S102C. The difference is axial versus
radial leads. Axial leads have the advantage of readily
available auto insertion equipment while the radial leaded
devices may require additional tooling. Also, when
converting from metal film (RNC 55) to foil (VMTA 55) boards
may already be laid out for the axial leaded device. It is worth
noting that for new designs the S102C footprint is the
smallest in the industry (taking into account the need for lead
exit to board pad length allowance).
Our Application Engineering Department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
FEATURES
•Temperature Coefficient of Resistance (TCR):
± 8 ppm/°C (- 55 °C to + 125 °C, + 25 °C Ref.)
± 4 ppm/°C (0 °C to + 60 °C)
•Tolerance: to ± 0.01 %
•Load Life Stability:
± 0.05 % at 25 °C, 2000 hours at Rated Power
± 0.0025 % at 25 °C, 2000 hours at Low Power
•Electrostatic Discharge (ESD) above 25 000 Volts
•Resistance Range: 5 Ω to 500 kΩ
•Power Rating: 0.2 W to 1.0 W at 70 °C
•Non-Inductive, Non-Capacitive Design
•Thermal EMF: 0.1 µV/°C maximum, 0.05 µV/°C typical
•Voltage Coefficient: < 0.1 ppm/V
•Terminal Finishes available: Lead (Pb)-free
Tin/Lead
•For better performances, please contact Application
Engineering
•Any value available within resistance range (e.g. 1K2345)
•Prototype samples available from 48 hours. For more
information, please contact foil@vishaypg.com
Notes
1. For higher/lower resistance values, consult the Application Engineering Department
2. TCR options for values > 50 Ω
V4 = ± 4 ppm/°C (0 to + 60 °C); ± 8 ppm°C (- 55 °C to + 125 °C, + 25 °C Ref.)
V3 = ± 3 ppm/°C (0 to + 60 °C); ± 5 ppm/°C (- 55 °C to + 125 °C, + 25 °C Ref.)
V2 = ± 2 ppm/°C (0 to + 60 °C); ± 5 ppm/°C (- 55 °C to + 125 °C, + 25 °C Ref.)
* Pb containing terminations are not RoHS compliant, exemptions may apply
TABLE 1 - TCR (for values under 50R)
VALUES 0 °C to + 60 °C - 55 to + 125 °C,
+ 25 °C Ref.
25R - 50R ± 5 ppm/°C ± 8 ppm/°C
15R - 24R999 ± 6 ppm/°C ± 10 ppm/°C
5R - 14R999 ± 8 ppm/°C ± 12 ppm/°C
1R - 4R999 ± 15 ppm/°C ± 20 ppm/°C
FIGURE 1 - POWER DERATING CURVE
Available
Pb-free
RoHS*
COMPLIANT
220
180
160
140
120
100
80
60
40
20
030 40 50 60 70 80 90 100 110 120 130 140 150
Ambient Temperature (°C)
Percent of Power Rating at 70 °C
Double Rated Power
+ 145 °C
Rated
Power
200
TABLE 2 - MODEL SELECTION
VISHAY
MODEL
MIL
STYLE
POWER MAXIMUM
WORKING VOLTAGE
RESISTANCE
RANGE1) (Ω)
TIGHTEST
TOLERANCE TCR RANGE2)
at + 70 °C at + 125 °C
VTA56 RBR56 0.25 W 0.125 W 300 V 5 to 24R9
25 to 150K
± 0.1 %
± 0.01 %
V4
V3, V2
VTA55 RBR55 0.3 W 0.15 W 300 V 5 to 24R9
25 to 150K
± 0.1 %
± 0.01 %
V4
V3, V2
VTA54 RBR54 0.5 W 0.25 W 300 V 5 to 24R9
25 to 300K
± 0.1 %
± 0.01 %
V4
V3, V2
VTA53 RBR53 0.66 W 0.33 W 300 V 5 to 24R9
25 to 300K
± 0.1 %
± 0.01 %
V4
V3, V2
VTA52 RBR52 1.0 W 0.5 W 300 V 5 to 24R9
25 to 500K
± 0.1 %
± 0.01 %
V4
V3, V2
VMTA55 RNC55 0.2 W 0.1 W 200 V 5 to 49R9
50 to 30K
± 0.1 %
± 0.01 %
V4
V3, V2
VMTB60 RNC60 0.25 W 0.125 W 250 V 5 to 49R9
50 to 60K
± 0.1 %
± 0.01 %
V4
V3, V2
VTA52 through 56, VMTA55, VMTB60
Vishay Foil Resistors
www.foilresistors.com For any questions, contact: foil@vishaypg.com Document Number: 63011
2Revision: 23-Mar-10
FIGURE 2 - VTA/VMTA SERIES STANDARD PRINTING
VTA52V4
0720
VISHAY
Model Number
VTA52
TCR Designation
V4
Resistance Value
200 kΩTolerance
200K00
0.02 %
Date Code
A
BD
C
07
year week
20
FIGURE 3 - TRIMMING TO VALUES
(Conceptual Illustration)
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
Before Trimming
Note: Foil shown in black, etched spaces in white
Interloop Capacitance
Reduction in Series
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
Current Path
After Trimming
TABLE 3 - VTA/VMTX DIMENSIONS
VISHAY
MODEL
MIL
SIZE
BODY LEAD
LENGTH (A) DIAMETER (B) LENGTH (C) DIAMETER (D)
INCH mm INCH mm INCH mm INCH mm
VTA56 RBR56 0.356 9.04 0.260 6.60 1.5 Minimum 38.10 0.032 0.81
VTA55 RBR55 0.500 ± 0.020 12.70 ± 0.51 0.260 6.60 1.5 Minimum 38.10 0.032 0.81
VTA54 RBR54 0.750 19.05 0.260 6.60 1.5 Minimum 38.10 0.032 0.81
VTA53 RBR53 0.750 ± 0.020 19.05 ± 0.51 0.375 ± 0.015 9.53 ± 0.38 1.5 Minimum 38.10 0.032 0.81
VTA52 RBR52 1.000 25.40 0.375 ± 0.015 9.53 ± 0.38 1.35 Minimum 34.29 0.032 0.81
VMTA55 RNC55 0.270 ± 0.005 6.86 ± 0.13 0.120 3.05 1.5 Minimum 38.10 0.025 0.64
VMTB60 RNC60 0.375 ± 0.005 9.53 ± 0.13 0.160 ± 0.005 4.06 ± 0.13 1.5 Minimum 38.10 0.025 0.64
+ 0.005
- 0.010
--------------------+ 0.13
- 0.25
---------------- + 0.005
- 0.015
--------------------+ 0.13
- 0.38
----------------
+ 0.005
- 0.010
--------------------+ 0.13
- 0.25
----------------
+ 0.020
- 0.032
--------------------+ 0.51
- 0.81
---------------- + 0.005
- 0.010
--------------------+ 0.13
- 0.25
----------------
+ 0.020
- 0.032
--------------------+ 0.51
- 0.81
----------------
+ 0.005
- 0.010
--------------------+ 0.13
- 0.25
----------------
FIGURE 4 - TEMPERATURE COEFFICIENT OF RESISTANCE
+ 400
+ 200
0
- 200
- 4000 + 25
- 140
Temperature, °C
+ 140
+ 100
- 100
ΔR
R
(ppm)
+ 60
+ 4 ppm/°C
- 4 ppm/°C
VTA52 through 56, VMTA55, VMTB60
Vishay Foil Resistors
Document Number: 63011 For any questions, contact: foil@vishaypg.com www.foilresistors.com
Revision: 23-Mar-10 3
Note
* For non-standard requests, please contact Application Engineering.
TABLE 4 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y0058150K000Q19L (preferred part number format)
DENOTES PRECISION VALUE AER*
YR = Ω
K = kΩ
0= TCR V4 Standard
1= TCR V3 Standard
2= TCR V2 Standard
9= TCR V4 Lead (Pb)-free
19 = TCR V3 Lead (Pb)-free
29 = TCR V2 Lead (Pb)-free
3 - 999 = Custom
PRODUCT CODE RESISTANCE TOLERANCE PACKAGING
0028= VTA52
0029 = VTA53
0054 = VTA54
0058= VTA55
0060 = VTA56
0014 = VMTA55
0015 = VMTB60
T= ± 0.01 %
Q= ± 0.02 %
A= ± 0.05 %
B= ± 0.1 %
C= ± 0.25 %
D= ± 0.5 %
F= ± 1.0 %
L = Bulk
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0058 150K000 Q 19 L:
TYPE: VTA55
VALUE: 150.0 kΩ
ABSOLUTE TOLERANCE: ± 0.02 %
TCR: V3
TERMINATION: Lead (Pb)-free
PACKAGING: Bulk
HISTORICAL PART NUMBER: VTA55V3T 150K00 Q B (will continue to be used)
VTA55 V3 T 150K00 Q B
MODEL TCR TERMINATION OHMIC VALUE RESISTANCE
TOLERANCE PA C K AG I N G
VTA52
VTA53
VTA54
VTA55
VTA56
VMTA55
VMTB60
V4
V3
V2
T
= Lead (Pb)-free
None = Tin/Lead alloy
150K00 = 150.0 kΩT= ± 0.01 %
Q= ± 0.02 %
A= ± 0.05 %
B= ± 0.1 %
C= ± 0.25 %
D= ± 0.5 %
F= ± 1.0 %
B = Bulk
05810K05Y0 10 L0 Q 9
Document Number: 63999 www.vishaypg.com
Revision: 22-Feb-10 1
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Vishay Precision Group
1
All product specifications and data are subject to change without notice.
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(collectively, “Vishay Precision Group”), disclaim any and all liability for any errors, inaccuracies or incompleteness
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