PTC thermistors for motor starting
Metallized disks, standard sizes
Series/Type:
Date:
February 2012
© EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Motor starting
Standard sizes
Applications
Time delay in turning off the auxiliary winding
of single-phase AC motors (e.g. refrigerator
compressors) Type A314 suitable for air
conditioning systems
Features
Metallization: CrNi (sputtered) + Ag
(screen-printed), except A314
(screen-printed Ag)
Excellent long-term reliability
Suitable for clamp contacting
UL approval to UL 1434 (file number
E69802)
VDE approval (license number 87406 E),
except A524 and A314
CSA approval for A506 (certificate No.
1109600)
RoHS-compatible
Options
Other dimensions and ratings on request
Delivery mode
Bulk
Dimensions (mm)
Type
V
R
=
120
V
RMS
A506
V
R
=
230
V
RMS
A192
A196
A197
w
th
Dimensional drawing
17.5
±0.5
2.5
±0.2
19.5
±0.5
19.5
±0.5
19.5
±0.5
2.5
±0.2
3.2
±0.2
3.2
±0.2
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 9
A314
A501
A524
A544
Motor
starting
Standard
sizes
General
technical
data
Switching
cycles
Operating
temperature
range
Operating
temperature
range
Electrical specifications and ordering codes
Type
I
max
V
max
T
ref
t
s1)
V
BD2)
(typ.)
A
V
°C
V
s
V
R
= 120 V
RMS
A506
12
180
120
0.45
> 360
4.7
±20%
20.0
+0.2/-
0.8
19.5
+0.5
19.5
±0.5
17.5
±0.5
5.0
±0.25
2.5
±0.2
2.5
±0.2
2.5
±0.2
N
(V =
0)
(V =
V
max
)
T
op
>
100000
+5/+80
°C
T
op
+5/+80
°C
R
R
±∆R
R
(V
PTC
≤
2.5 V)
Ω
Ordering code
B59506A0120A020
V
R
= 230 V
RMS
A501
6
355
135
0.45
> 700
33
±20%
A524
7
300
135
0.55
> 600
22
±20%
A544
8
320
120
0.35
> 650
20
±20%
A192
8
325
120
0.35
> 650
22
±20%
A196
8
350
120
0.50
> 700
15
±30%
A197
9
350
120
0.30
> 700
33
±30%
A314
9
400
120
0.35
> 800
38
±30%
Note:
Type A314 suitable for air conditioning systems.
B59501A0135A020
B59524A0135A020
B59544A0120A020
B59192A0120B020
B59196A0120A020
B59197A0120B020
B59314A0120B010
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 9
Motor starting
Standard sizes
1)
0.8 I
max
2)
points.
Measured at V = V
max
and I =
PTC clamped between
Reliability data
Test
1)
Electrical endurance,
cycling
Electrical endurance,
constant
Damp heat
Standard
IEC 60738-1
IEC 60738-1
IEC 60738-1
Test conditions
Room temperature, V
max
; I
max
Number of cycles: 500 000
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
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%
< 20%
Rapid change
of temperature
IEC 60738-1
< 20%
Climatic sequence
IEC 60738-1
< 25%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 9
1)
All tests with PTC disk mounted in EPCOS housing.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 9
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