Document Number: 29005 For technical questions, contact: nlr@vishay.com www.vishay.com
Revision: 09-Apr-09 69
2381 675 2..../PTCSS..T....TE
Vishay BCcomponents
SMD 0805, PTC Thermistors for Over-Temperature Protection
FEATURES
•Well-defined protection temperature levels
•Very fast reaction time
•Accurate resistance for ease of circuit design
•Excellent long term behavior
•Small size and rugged
•UL approved according standard UL1434 (file: E148885)
•PTC thermistor with lead (Pb)-free terminations
•Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
APPLICATIONS
Over-temperature protection and control in:
•Industrial electronics
•Power supplies
•Electronic data processing
•Motor protection
•Electronic ballasts
•DC-to-DC convertors
DESCRIPTION
These directly heated thermistors have a positive
temperature coefficient and are primarily intended for
sensing.
Note
• Other sizes are available on request
QUICK REFERENCE DATA
PARAMETER VALUE UNIT
Resistance at 25 °C 470 ± 50 % Ω
Maximum resistance at - 40 °C 2500 Ω
Maximum resistance at (Tn - 5) °C 4700 Ω
Minimum resistance at (Tn + 5) °C 4700 Ω
Minimum resistance at (Tn + 15) °C 15 000 Ω
Maximum voltage 25 V
Dissipation factor ± 3.5 mW/K
Temperature range - 40 to (Tn+ 15) °C
Weight ± 0.015 g
Climatic category 40/125/56
NOMINAL WORKING TEMPERATURES AND ORDERING INFORMATION
CODE NUMBERS
2381 675....
Tn
(°C)
Rmax.
at Tn - 5 °C
(Ω)
Rmin.
at Tn + 5 °C
(Ω)
Rmin.
at Tn + 15 °C
(Ω)
20707 70 4700 4700 15 000
20807 80 4700 4700 15 000
20907 90 4700 4700 15 000
21007 100 4700 4700 15 000
21107 110 4700 4700 15 000
21207 120 4700 4700 15 000
21307 130 4700 4700 15 000
21407 140 4700 4700 15 000
www.vishay.com For technical questions, contact: nlr@vishay.com Document Number: 29005
70 Revision: 09-Apr-09
2381 675 2..../PTCSS..T....TE
Vishay BCcomponents SMD 0805, PTC Thermistors for
Over-Temperature Protection
COMPONENT OUTLINE DIMENSIONS in millimeters
ELECTRICAL CHARACTERISTICS
PARAMETER VALUES
Resistance at 25 °C 470 Ω ± 50 %
Maximum resistance at - 40 °C 2500 Ω
Maximum resistance at (Tn- 5) °C 4700 Ω
Minimum resistance at (Tn+ 5) °C 4700 Ω
Minimum resistance at (Tn+ 15) °C 15 000 Ω
Maximum voltage 25 V (AC or DC)
CATALOG NUMBERS AND PACKAGING
12NC SAP SPQ
2381 675 20707 PTCSS12T071DTE 4000
2381 675 20807 PTCSS12T081DTE 4000
2381 675 20907 PTCSS12T091DTE 4000
2381 675 21007 PTCSS12T101DTE 4000
2381 675 21107 PTCSS12T111DTE 4000
2381 675 21207 PTCSS12T121DTE 4000
2381 675 21307 PTCSS12T131DTE 4000
2381 675 21407 PTCSS12T141DTE 4000
T
L
1
W
L
2
L
3
L
4
L1WT
L2 and L3
MIN.
2.00 ± 0.2 1.25 ± 0.2 0.90 ± 0.15 0.4 ± 0.25
Document Number: 29005 For technical questions, contact: nlr@vishay.com www.vishay.com
Revision: 09-Apr-09 71
2381 675 2..../PTCSS..T....TE
SMD 0805, PTC Thermistors for
Over-Temperature Protection Vishay BCcomponents
TYPICAL RESISTANCE/TEMPERATURE CHARACTERISTIC
100
1000
10 000
100 000
1 000 000
10 000 000
100 000 000
- 50 - 25 0 25 50 75 100 125 150 175
Resistance (Ω)
Temperature (°C)
2381 675 20907
PTCSS12T091DTE
2381 675 20807
PTCSS12T081DTE
2381 675 20707
PTCSS12T071DTE
100
1000
10 000
100 000
1 000 000
10 000 000
100 000 000
- 50 - 25 0 25 50 75 100 125 150 175
Resistance (Ω)
Temperature (°C)
2381 675 21207
PTCSS12T121DTE
2381 675 21107
PTCSS12T111DTE
2381 675 21007
PTCSS12T101DTE
100
1000
10 000
100 000
1 000 000
10 000 000
- 50 - 25 0 25 50 75 100 125 150 175 200
Te m p e r a t ure (°C)
2381 675 21407
PTCSS12T141DTE
2381 675 21307
PTCSS12T131DTE
Resistance (Ω)
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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