CTR
Vishay Electro-Films
Thin Film, Center-Tapped Resistors
CHIP
RESISTORS
FEATURES
Product may not
be to scale
The CTR series is a center-tapped resistor chip combining
excellent stability with 250 mW power levels. The CTR offers
the designer flexibility in use as either a single value resistor
as two resistors with a center tap feature. The CTR’s six
bonding pads allows the user increased layout flexibility.
The CTRs are manufactured using Vishay Electro-Films
(EFI) sophisticated thin film equipment and manufacturing
technology. The CTRs are 100 % electrically tested and
visually inspected to MIL-STD-883.
•
•
•
•
•
•
•
•
Wire bondable
Center tap feature
Tight ratio tolerances to: 0.05 %
Chip size: 0.030 inches square
Resistance range total: 10
Ω
to 1 MΩ
Oxidized silicon substrate for good power dissipation
Resistor material: Tantalum nitride, self-passivating
Moisture resistant
I
V
R
A
R
B
V
I
V
APPLICATIONS
Vishay EFI CTR center-tapped resistor chips are used mainly in feedback circuits of amplifiers where ratio matching, high power
and tracking between two resistors is critical.
For low values, the resistance of the six bonding-pad configurations can vary, depending on the method of measurement used.
Vishay EFI measures low-value resistors by the four wire Kelvin technique. The method illustrated above is critical for resistors
of less than 100
Ω.
TEMPERATURE COEFFICIENT OF RESISTANCE, VALUES AND TOLERANCES
Tightest Standard Tolerance Available
0.5 %
0.1 %
± 25 ppm/°C
± 50 ppm/°C
± 100 ppm/°C
10
Ω
25
Ω
100
Ω
360 kΩ 620 kΩ
1 MΩ
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
TCR Tracking Between Halves (R
A
/R
B
)
Center Tap Ratio,
R
A
/R
B
Tolerance
Noise, MIL-STD-202, Method 308, < 100
Ω
or > 251 kΩ
Moisture Resistance, MIL-STD-202, Method 106
Stability, 1000 h, + 125 °C, 125 mW
Operating Temperature Range
Thermal Shock, MIL-STD-202, Method 107, Test Condition F
High Temperature Exposure, + 150 °C, 100 h
Dielectric Voltage Breakdown
Insulation Resistance
Operating Voltage
DC Power Rating at + 70 °C (Derated to Zero at + 175 °C)
5 x Rated Power Short-Time Overload, + 25 °C, 5 s
Note
(1)
5 ppm/°C for
R
< 100
20 ppm/°C for
R
< 20
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78
For technical questions, contact:
efi@vishay.com
Document Number: 61020
Revision: 17-Aug-09
± 2 ppm/°C
(1)
1 ± 1 % standard
- 20 dB typ.
± 0.5 % max.
ΔR/R
± 0.2 % max. absolute
- 55 °C to + 125 °C
± 0.1 % max.
ΔR/R
± 0.2 % max.
ΔR/R
200 V
10
12
min.
100 V max.
250 mW
± 0.1 % max.
ΔR/R
CTR
Thin Film, Center-Tapped Resistors
Vishay Electro-Films
CONFIGURATIONS
in inches
0.030
CHIP
RESISTORS
0.026
R
A
R
B
0.030
STANDARD CONFIGURATION
Six locations. All pads 0.005" x 0.005"
TYPICAL RANGE
10
Ω
to 26.9
Ω
TYPICAL RANGE
27
Ω
to 99
Ω
TYPICAL RANGE
100
Ω
to 1 MΩ
SCHEMATIC
R
T
=
R
A
+
R
B
R
A
R
B
MECHANICAL SPECIFICATIONS
in inches
PARAMETER
Chip Size
Chip Thickness
Chip Substrate Material
Resistor Material
Bonding Pad Size
Number of Pads
Pad Material
Backing
0.030 x 0.030 ± 0.002 (0.762 mm x 0.762 mm ± 0.05 mm)
0.010 ± 0.002 (0.254 mm ± 0.05 mm)
Oxidized silicon, 10 kÅ minimum SiO
2
Tantalum nitride, self passivating
0.005 x 0.005 (0.127 mm x 0.127 mm)
6
10 kÅ minimum aluminum
None, lapped semiconductor silicon
GLOBAL PART NUMBER INFORMATION
Global Part Number: CTR50000KFKKGNHWS
Global Part Number Description: CTR 5K 10
%,
RT 1
%,
100 ppm/°C, TC track 10, Au, no back metal, class H, WS
C
T
R
5
0
0
TOL.
CODE
(%)
B
= 0.1
C
= 0.25
D
= 0.5
F
= 1.0
G
= 2.0
J
= 5.0
K
= 10
M
= 20
0
0
K
F
K
K
G
N
H
W
S
MODEL
CTR
RESISTANCE
RESISTANCE
MULTIPLIER
(R total)
CODE
First 4 digits
are significant
figures of
resistance
C
= 0.001
B
= 0.01
A
= 0.1
0
=1
1
= 10
2
= 100
3
= 1000
RATIO
TOL.
TCR
(ppm/°C)
TC TRACK
(ppm/°C) TERMINATION
G
=±2
J
=±5
K
= ± 10
N
= No
G
= Au
A
= Al
BACK
METAL
VISUAL
CLASS
PACKAGING
CODE
B
= 0.1
E
= ± 25
C
= 0.25
C
= ± 50
D
= 0.5
K
= ± 100
F
= 1.0
M
= ± 250
G
= 2.0
J
= 5.0
N
= No
WS
=
G
= Au
H
= Class H
N
= None
K
= Class K Waffle pack
100 min,
1 mult
Historical Part Number: WCTR10150000K (will continue to be accepted)
Document Number: 61020
Revision: 17-Aug-09
For technical questions, contact:
efi@vishay.com
www.vishay.com
79
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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1
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