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
R
25
Ω
VALUE RANGE (5 % and 10 % TOLERANCE)
2)
0603
0805
1206
MIN.
MAX.
MIN.
MAX.
MIN.
3500
± 300
10
-
22
10
-
39
10
-
3300
± 300
27
-
120
47
-
180
56
-
3100
± 300
150
-
270
220
-
330
270
-
2900
± 300
330
-
560
390
-
680
560
-
2700
± 300
680
-
1.2K
820
-
1.5K
1.2K
-
2500
± 300
1.5K
-
5.6K
1.8K
-
6.8K
4.7K
-
2300
± 300
6.8K
-
10K
8.2K
-
10K
10K
-
Notes
1. Contact Vishay Dale if closer TCR lot tolerance is desired. 2. Other R
25
values and tolerances are available upon request.
TCR LOT
ppm
- 55 °C to + 125 °C
TCR
1)
TOLERANCE
ppm
MAX.
47
220
470
1K
3.9K
8.2K
15K
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
POWER RATING
MAXIMUM WORKING VOLTAGE RCWV
1)
PTFT 0603
75 mW
30 VDC
PTFT 0805
100 mW
40 VDC
PTFT 1206
125 mW
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: thermistors1@vishay.com
Document Number: 33014
Revision: 04-Apr-05
PTFT
Linear PTC Thermistors, Surface Mount Chip
Vishay Dale
DIMENSIONS
in inches [millimeters]
A
D
B
E
C
PART NUMBER
PTFT0603
PTFT0805
PTFT1206
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]
Overglaze
Thermistor
Alumina Substrate
Inner Electrode
Nickel Barrier
Solderable Coating
CONSTRUCTION
PERFORMANCE
1)
TEST
3)
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)
MAXIMUM %
ΔR
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
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: thermistors1@vishay.com
www.vishay.com
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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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