RT
Vishay Electro-Films
High TC Thin Film Resistors
FEATURES
•
Small chip size
0.020 x 0.020 inch - Format A
0.030 x 0.030 inch - Format B
•
Silicon substrate
•
Large change in resistance over temperature
The RT resistor chip series offers high TC for special
temperature sensing applications.
These chips are manufactured using Vishay Electro-Films
(EFI) sophisticated thin film equipment and manufacturing
technology. The RTs are 100% electrically tested and
visually inspected to MIL-STD-883.
•
Standard resistance ranges: 51
Ω
to 24k
Ω
- Format A
51
Ω
to 51k
Ω
- Format B
Product may not
be to scale
APPLICATIONS
Vishay EFI RT chip resistors provide high TCR for circuit temperature compensation and are ideally suited for prototyping.
Typical application areas are:
• Amplifiers
• Couplers
• Oscillators
• Filters
• Attenuators
WV (DC) VALUES AND TOLERANCES
Tolerances
RETMA Values
± 1%, ± 2%, ± 5%, ± 10%
51
Ω
- 24k
Ω
- Format A
51
Ω
- 51k
Ω
- Format B
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
HIGH
TCR
SENSOR
Noise, MIL-STD-202, Method 308
TCR Absolute
TCR Linearity
Stability, 1000 hours, + 125°C, 25mW
Operating temperature range
Thermal shock, MIL-STD-202
Method 107, Test condition F
High temperature exposure
± 150°C, 100 hours
Dielectric voltage breakdown
Insulation resistance
Operating voltage
DC power rating at + 70°C
(derated to zero at 150°C)
5 x rated power short-time
overload, + 25°C, 5 seconds
- 20dB typical
+ 1800ppm/°C - Type 1 - Nickel
+ 4800ppm/°C - Type 2 - Palladium
< 3ppm/°C
± 1.0% maximum
∆
R/R
- 55°C to + 125°C
± 0.5% maximum
∆
R/R
± 0.50% maximum
∆
R/R
200V
10
12
minimum
100V maximum
65mW maximum - Format A
125mW, maximum - Format B
± 0.5% maximum
∆
R/R
VISHAY ELECTRO-FILMS • FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 • GERMANY +49.9287.710 FAX: +49 9287.70435 • ISRAEL +972.3.557.0945 FAX: +972.3.558.9121
• ITALY + 39.2.300.11911 FAX: +39.2.300.11999 • JAPAN +81.3.5464.6411 FAX: +81.3.5464.6433 • SINGAPORE +65.788.6668 FAX: +65.788.0988
• SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 • UK +44 191 514 8237 FAX: +44 1953 457 722 • USA: (401) 738-9150 FAX: (401) 738-4389
www.vishay.com
122
For technical questions contact: efi@vishay.com
Document Number: 61029
Revision: 03-Aug-04
RT
High TC Thin Film Resistors
CONFIGURATIONS
in inches
FORMAT A
0.020
Vishay Electro-Films
FORMAT B
0.030
0.020
0.030
0.004
0.005
0.004
STANDARD RTB AND RTD CONFIGURATIONS
Six locations. All pads 0.005 x 0.005 inches minimum
SCHEMATICS
R
T
= R
A
+ R
B
MECHANICAL SPECIFICATIONS
in inches
PARAMETER
Chip size - Format A
Chip size - Format B
Chip thickness
Chip substrate material
Bonding pad size
Pad material
Backing
OPTIONS:
Gold back for solder die attach
0.020 x 0.020 ± 0.003 (0.5 x 0.5 ± 0.08mm)
0.030 x 0.030 ± 0.002 (0.762 x 0.762 ± 0.05mm)
0.010 ± 0.002 (0.254 ± 0.05mm)
Oxidized silicon, 10kÅ minimum SiO
2
0.004 x 0.004 (0.10 x 0.10mm) minimum
15kÅ minimum Gold standard
None
HIGH
TCR
SENSOR
ORDERING INFORMATION
Example: 100% visualled, 100
Ω
, ± 10%
P/N:
W
INSPECTION
/PACKAGING
W
= 100% visually
inspected parts in matrix tray per
MIL-STD-883
X
= Sample, commercial
visually inspected parts loaded in
matrix trays (4% AQL)
RTB
PRODUCT
FAMILY
RTD - 30
RTB - 30
RTA - 20
XXX
PROCESS
CODE
Dependent on TC
Consult factory
100 = + 1800ppm°C
300 = + 4800ppm°C
1000
RESISTANCE
VALUE
Use first 4
significant digits
of the resistance
A
MULTIPLIER
CODE
B
= 0.01
A
= 0.1
0
=1
1
= 10
2
= 100
K
TOLERANCE
CODE
F
= 1.0%
G
= 2.0%
J
= 5.0%
K
= 10%
VISHAY ELECTRO-FILMS • FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 • GERMANY +49.9287.710 FAX: +49 9287.70435 • ISRAEL +972.3.557.0945 FAX: +972.3.558.9121
• ITALY + 39.2.300.11911 FAX: +39.2.300.11999 • JAPAN +81.3.5464.6411 FAX: +81.3.5464.6433 • SINGAPORE +65.788.6668 FAX: +65.788.0988
• SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 • UK +44 191 514 8237 FAX: +44 1953 457 722 • USA: (401) 738-9150 FAX: (401) 738-4389
Document Number: 61029
Revision: 03-Aug-04
For technical questions contact: efi@vishay.com
www.vishay.com
123
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