TFPT
Vishay Dale
Linear PTC Thermistors, Surface Mount Chip
FEATURES
•
Solderable wraparound terminations.
•
Alumina substrate base with PTC thin film element.
•
0603, 0805, and 1206 sizes available.
•
Available in tape and reel packaging.
•
Standard tolerances:
±
0.05%,
±
1%,
±
5%.
•
Contact factory for non-standard tolerance.
•
Operation range - 55°C to + 125°C.
STANDARD ELECTRICAL SPECIFICATIONS
TCR LOT
PPM
-55
°
C to + 125
°
C
4000 - 5000
TCR*
TOLERANCE
ppm
°
C
±
100
R
25
Ω
VALUE RANGE (1%, 5% and 10% TOLERANCE)**
0603
MIN.
MAX.
0805
MIN.
100 –
MAX.
5K
1206
MIN. MAX.
100 – 10K
100 – 1K
*Contact Vishay Dale if closer TCR lot tolerance is desired.
**Other R
25
values and tolerances are available upon request.
STANDARD RESISTANCE VALUES
100
120
150
180
220
270
330
390
470
560
680
820
1K
1.2K
1.5K
1.8K
2.2K
2.7K
3.3K
3.9K
4.7K
5.6K
6.8K
8.2K
10.0K
STANDARD TECHNICAL SPECIFICATIONS
PART NUMBER
TFPT 0603
TFPT 0805
TFPT 1206
1
Rated
POWER RATING
75mW
100mW
125mW
MAXIMUM WORKING VOLTAGE RCWV
1
30V DC
40V DC
50V DC
Continuous Working Voltage is maximum working voltage or square root of the power rating times resistance value, whichever is less.
ORDERING INFORMATION
TFPT
MODEL
1206
(E.I.A.) DIMENSION
L
LINEAR
1002
R
25
First 3 digits are
significant figures, 4th
digit is the multiplier
K
TOLERANCE
C =
±
0.05%
F =
±
1%
J =
±
5%
EXAMPLE: TFPT 1206 L 1002 K
www.vishay.com
38
For technical questions, contact thermistor1@vishay.com
Document Number 33017
Revision 19-Jul-04
TFPT
Linear PTC Thermistors, Surface Mount Chip
DIMENSIONS
in inches [millimeters]
A
D
Vishay Dale
B
C
E
PART NUMBER
TFPT0603
A
0.063
±
0.006
[1.60
±
0.15]
0.079
±
0.006
[2.00
±
0.15]
0.126
±
0.006
[3.20
±
0.15]
B
0.031 + 0.006 - 0.002
[0.80 + 0.15 - 0.05]
0.049
±
0.006
[1.25
±
0.15]
0.063
±
0.006
[1.60
±
0.15]
C
0.020
±
0.004
[0.50
±
0.10]
0.020
±
0.006
[0.50
±
0.15]
0.022
±
0.006
[0.56
±
0.15]
D
0.012
±
0.008
[0.30
±
0.20]
0.016
±
0.010
[0.40
±
0.25]
0.020
±
0.010
[0.50
±
0.25]
E
0.012
±
0.008
[0.30
±
0.20]
0.016
±
0.010
[0.40
±
0.25]
0.020
±
0.010
[0.50
±
0.25]
TFPT0805
TFPT1206
Overglaze
Thermistor
Alumina Substrate
Inner Electrode
Nickel Barrier
Solderable Coating
5000
4900
4800
4700
4600
4500
4400
4300
4200
4100
4000
3900
3800
3700
3600
3500
3400
3300
3200
3100
3000
-55
ppm
-25
0
25
50
75
100
125
TEMPERATURE IN
°
C
CONSTRUCTION
PERFORMANCE*
TEST**
TYPICAL CURVE
MAXIMUM %
∆
R***
1K and Below
Above 1K
.5%
1%
2%
10%
1%
2%
P
P
High Temperature Exposure (100 hours @ 125°C)
Effects of Bonding (10 seconds solder dip @ 260°C)
Thermal Shock (30 minutes @ 65°C, 30 minutes @ 125°C, 5 cycles)
Low Temperature Operation (Maximum rated power for 2 hours @ - 65°C)
Short Time Overload (2.5 x RCWV for 5 seconds)
Load Life (1000 hours 70°C, maximum rated power 1.5 hours “ON”, 0.5 hours “OFF”)
Solderability (95% coverage P/F)
Leaching (Physical damage P/F)
.5%
1%
2%
1%
1%
2%
P
P
*Environmental performance specifications use test procedures as outlined in MIL-R-23648D and MIL-STD-202.
**Test reading accuracy of
±
0.3%.
***TFPTs are ESD sensitive.
Document Number 33017
Revision 19-Jul-04
For technical questions, contact thermistor1@vishay.com
www.vishay.com
39
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