PTFT
Vishay Dale
Linear PTC Thermistors, Surface Mount Chip
FEATURES
•
•
•
•
•
•
•
•
Solderable wraparound terminations
Alumina substrate base with PTC thick film element
0603, 0805, and 1206 sizes available
Available in tape and reel packaging
Standard tolerances:
±
5 %,
±
10 %
Contact factory for non-standard tolerance
Linear from - 55
°C
to + 125
°C
Maximum linear deviation:
±
0.01 %/°C
STANDARD ELECTRICAL SPECIFICATIONS
TCR LOT
ppm
- 55
°
C to + 125
°
C
3500
3300
3100
2900
2700
2500
2300
TCR
1)
TOLERANCE
ppm
±
300
±
300
±
300
±
300
±
300
±
300
±
300
R
25
Ω
VALUE RANGE (5 % and 10 % TOLERANCE)
2)
0603
MIN.
10
27
150
330
680
1.5K
6.8K
-
-
-
-
-
-
-
MAX.
22
120
270
560
1.2K
5.6K
10K
MIN.
10
47
220
390
820
1.8K
8.2K
0805
-
-
-
-
-
-
-
MAX.
39
180
330
680
1.5K
6.8K
10K
MIN.
10
56
270
560
1.2K
4.7K
10K
1206
-
-
-
-
-
-
-
MAX.
47
220
470
1K
3.9K
8.2K
15K
Notes
1. Contact Vishay Dale if closer TCR lot tolerance is desired.
2. Other R
25
values and tolerances are available upon request.
STANDARD RESISTANCE VALUES
10
12
15
18
22
27
33
39
47
56
68
82
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
10K
12K
15K
STANDARD TECHNICAL SPECIFICATIONS
PART NUMBER
PTFT 0603
PTFT 0805
PTFT 1206
POWER RATING
75 mW
100 mW
125 mW
MAXIMUM WORKING VOLTAGE RCWV
1)
30 VDC
40 VDC
50 VDC
Note
1. Rated Continuous Working Voltage is maximum working voltage or square root of the power rating times resistance value, whichever is less.
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: PTFT1206L1002KZ (preferred part numbering format)
P
GLOBAL MODEL
PTFT0603
PTFT0805
PTFT1206
T
F
T
1
2
0
6
L
1
0
0
2
K
Z
PACKAGING
F
= Lead (Pb)-free, Bulk
W
= Lead (Pb)-free, T/R (Full)
P
= Tin/Lead, Bulk
Z
= Tin/Lead, T/R (Full)
CHARACTERISTIC
L
= Linear
RESISTANCE VALUE
1002
= 10K
TOLERANCE CODE
J
=±5%
K
= ± 10 %
Historical Part Number: PTFT1206L1002KZ (will continue to be accepted)
PTFT1206
HISTORICAL MODEL
L
CHARACTERISTIC
1002
RESISTANCE VALUE
K
TOLERANCE CODE
Z
PACKAGING
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For technical questions, contact: thermistor1@vishay.com
Document Number 33014
Revision 04-Apr-05
PTFT
Linear PTC Thermistors, Surface Mount Chip
DIMENSIONS
in inches [millimeters]
A
D
Vishay Dale
B
E
C
PART NUMBER
PTFT0603
A
0.063
±
0.006
[1.60
±
0.15]
0.079
±
0.006
[2.00
±
0.15]
0.124
±
0.006
[3.15
±
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]
PTFT0805
PTFT1206
Overglaze
Thermistor
Alumina Substrate
Inner Electrode
Nickel Barrier
Solderable Coating
CONSTRUCTION
PERFORMANCE
1)
TEST
3)
MAXIMUM %
∆
R
2)
1K and Below
1%
1%
1%
1%
1%
4%
2%
5%
P
P
Above 1K
1%
1%
5%
10 %
20 %
5%
10 %
15 %
P
P
High Temperature Exposure
(100 hours at 125
°C)
Effects of Bonding
(10 sec. Solder dip at 260
°C)
Thermal Shock
(30 min. at - 65
°C,
30 min. at 125
°C,
5 cycles)
Low Temperature Operation
(Maximum Rated Power for 2 hours at - 65
°C)
Short Time Overload
(2.5 x RCWV for 5 seconds)
Moisture Resistance
(240 hours, 10 cycles)
Load Life
(1000 hours 70
°C,
Maximum Rated Power 1.5 hours “ON”, 5 hours “OFF”)
Load Humidity
(1000 hours at 85
°C,
85 % RH, and 10 % RCWV)
Solderability
(95 % coverage P/F)
Leaching
(Physical Damage P/F)
Notes
1.
Environmental performance specifications use test procedures as outlined in MIL-R-23648D and MIL-STD-202.
2.
PTFT’s are ESD Sensitive.
3.
Test reading accuracy of
±
0.3 %.
Document Number 33014
Revision 04-Apr-05
For technical questions, contact: thermistor1@vishay.com
www.vishay.com
5
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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1
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