PTC thermistors
Limit temperature sensors,
SMD, EIA size 0805
Series/Type:
B59701
Date:
August 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Applications
DC/DC converters
Home appliances
Dimmers
Electronic ballasts
Temperature management in automotive
electronics
Features
Thermistor chip with lead-free tinned
terminations
Small size
Fast and reliable response
Suitable for reflow soldering
Suitable for automatic placement
RoHS-compatible
Lead-free (total Pb content <0.1%),
except T
NTT
= 130
C
Options
Other T
NTT
values on request
Delivery mode
Blister tape, 180-mm reel
Dimensional drawing
Dimensions in mm
Geometry of solder pad
Recommended maximum dimensions (mm)
General technical data
Max. operating voltage
(T
A
= 0 ... 40
C)
V
max
25
VDC
Max. measuring voltage
(T
A
=
40
C ... T
NTT
+15 K) V
meas,max
7.5
VDC
Rated resistance
(V
PTC
2.5 V)
R
R
1
k
Operating temperature range
(V
V
meas,max
)
T
op
40/ T
NTT
+15
C
Sensors
Limit temperature sensors, EIA size 0805
A701
Page 2 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
1) T
NTT
+25 K
Electrical specifications and ordering codes
T
NTT
C
R
(T
NTT
5 K)
(V
PTC
2.5 V)
k
R
(T
NTT
+ 5 K)
(V
PTC
2.5 V)
k
R
(T
NTT
+ 15 K)
(V
PTC
7.5 V)
k
Ordering code
70
5.7
5.7
40
1)
B59701A0070A062
90
5.5
13.3
40
B59701A0090A062
100
5.5
13.3
40
B59701A0100A062
110
5.5
13.3
40
B59701A0110A062
120
5.5
13.3
40
B59701A0120A062
130
5.5
13.3
40
B59701A0130A062
Sensors
Limit temperature sensors, EIA size 0805
A701
Page 3 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Reliability data
Test
Standard
Test conditions
R
25
/R
25
Electrical endurance,
constant at 85
C
IEC 60738-1
Storage at V
max
T = 85
C
Test duration : 1000 h
< 25%
Damp heat
IEC 60738-1
Temperature of air: 40
C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
< 10%
Rapid change
of temperature
IEC 60738-1
T
LCT
=
25
C, T
UCT
= 125
C
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, Test Na
< 10%
Vibration
IEC 60738-1
Frequency: 10 - 55 - 10 Hz
Displacement amplitude: 0.75 mm
Test duration: 3 2 h
Test according to IEC 60028-2-6, Test Fc
< 5%
Bump
IEC 60738-1
Pulse shape: half-sine
Acceleration: 50 g
Pulse duration: 1 ms; 6 3 pulses
Test according to IEC 60068-2-29
< 5%
Climatic sequence
IEC 60738-1
Dry heat: T
UCT
= 125
C
Test duration: 16 h
Damp heat first cycle
Cold: T
LCT
=
25
C
Test duration: 2 h
Damp heat 5 cycles
Tests performed according to
IEC 60068-2-30
< 10%
Adhesive strength on
PCB
Shearing of the component soldered on
PCB by a force of 5 N is normal to
components longitudinal axis
No visible
damage
Sensors
Limit temperature sensors, EIA size 0805
A701
Page 4 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Characteristics (typical)
PTC resistance R
PTC
versus PTC temperature T
PTC
(measured at low signal voltage)
Sensors
Limit temperature sensors, EIA size 0805
A701
Page 5 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
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