PTC thermistors for
switching applications
Plastic case, 230 V
Series/Type:
B593*
The following products presented in this data sheet are being withdrawn.
Ordering Code
B59346A1502P020
Substitute Product
Date of Withdrawal
2012-12-21
Deadline Last
Orders
2013-04-01
Last Shipments
2013-07-01
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a
suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
© EPCOS AG 2012. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Switching applications
PTC thermistors in plastic case, 230 V
Applications
Delayed switching of loads
For frequent switching
Starting resistance in switch-mode power
supplies
Features
Encased thermistor disk with clamp contacts
Flame-retardant plastic case
Case material UL-listed
Silver-plated lead-free solder pins
Manufacturer's logo and type designation
stamped on in white
Stable performance throughout
100 000 switching cycles
RoHS-compatible
Delivery mode
Packed in blister trays
General technical data
Switching cycles
Tolerance of R
R
Operating temperature range
Operating temperature range
N
∆R
R
T
op
T
op
100000
±25
25/+125
0/+60
%
°C
°C
Dimensional drawing
Dimensions in mm
(V = 0)
(V = V
max
)
Electrical specifications and ordering codes
Type
R
R
Ω
R
min
Ω
I
R
mA
I
S
mA
40
20
30
15
I
Smax
(V = V
max
)
A
0.27
0.15
0.10
0.10
I
r
(V = V
max
)
mA
3.5
2.0
2.0
1.5
t
S
@ I
Smax
s
≤
0.5
≤
0.5
≤
2.0
≤
0.5
T
ref
Ordering code
(typ.)
°C
120
120
190
115
B59339A1501P020
B59339A1202P020
B59346A1502P020
B59339A1502P020
V
max
= 265 V, V
R
= 230 V
J286
500 260 20
J289 2000 900 10
J29
5000 2000 14
5000 3200 7
J29
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 11
Switching applications
PTC thermistors in plastic case, 230 V
Reliability data
Test
Electrical endurance,
cycling
Electrical endurance,
constant
Damp heat
Standard
IEC 60738-1
IEC 60738-1
IEC 60738-1
Test conditions
Room temperature, I
Smax
; V
max
Number of cycles: 50 000
Storage at V
max
/T
op,max
(V
max
)
Test duration: 1000 h
Temperature of air: 40
°C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
T
1
= T
op,min
(0 V), T
2
= T
op,max
(0 V)
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, test Na
Frequency range: 10 to 55 Hz
Displacement amplitude: 0.75 mm
Test duration: 3
×
2 h
Test according to IEC 60068-2-6, test Fc
Acceleration: 390 m/s
2
Pulse duration: 6 ms; 6
×
4000 pulses
Dry heat: T = T
op,max
(0 V)
Test duration: 16 h
Damp heat first cycle
Cold: T = T
op,min
(0 V)
Test duration: 2 h
Damp heat 5 cycles
Tests performed according to
IEC 60068-2-30
∆R
25
/R
25
< 25%
< 25%
< 10%
Rapid change
of temperature
IEC 60738-1
< 10%
Vibration
IEC 60738-1
< 5%
Shock
Climatic sequence
IEC 60738-1
IEC 60738-1
< 5%
< 10%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 11
Switching applications
PTC thermistors in plastic case, 230 V
Characteristics (typical)
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
PTC current I
PTC
versus PTC voltage V
PTC
(measured at 25
°C
in still air)
Switching time t
S
versus switching current I
S
(measured at 25
°C
in still air)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 11
Switching applications
PTC thermistors in plastic case, 230 V
Characteristics (typical)
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
PTC current I
PTC
versus PTC voltage V
PTC
(measured at 25
°C
in still air)
Switching time t
S
versus switching current I
S
(measured at 25
°C
in still air)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 11
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