PTC thermistors for
overcurrent protection
SMDs, EIA sizes 0402, 0603, and 1210, 24 V ...
230 V
Series/Type:
Date:
August 2014
© 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.
Overcurrent protection
SMDs, EIA sizes 0402, 0603, and 1210, 24 V ... 230 V
Applications
Overcurrent protection
Short circuit protection
Features
Qualification based on AEC-Q200 rev. D for type A407, A607 and A907
Thermistor chip with lead-free tinned terminations
Small size
Short response times
Suitable for reflow soldering only
Suitable for automatic placement
UL approval for selected types (case size 1210)
RoHS-compatible
Delivery mode
Blister tape (case size 1210) or cardboard tape (case sizes 0402 and 0603), 180-mm reel
with 8-mm tape, taping to IEC 60286-3
General technical data
Switching cycles
Tolerance of R
R
Tolerance of R
R
Operating temperature range
Operating temperature range
Operating temperature range
Operating temperature range
N
(except A907)
∆R
R
(for A907)
∆R
R
(V = 0)
T
op
(V
≤
V
max
, except A407 and A907) T
op
(V
≤
V
max
, for A407)
T
op
(V
≤
V
max
, for A907)
T
op
100
±25
±35
40/+125
20/+85
40/+125
40/+85
%
%
°C
°C
°C
°C
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 15
Overcurrent protection
SMDs, EIA sizes 0402, 0603, and 1210, 24 V ... 230 V
Electrical specifications and ordering codes
Type
I
R 1)
mA
I
S1)
mA
I
Smax
(V = V
max
)
A
R
R
Ω
R
min
Ω
EIA
case
size
1210
1210
0402
0603
0603
1210
1210
1210
1210
Approvals Ordering code
V
max
= 30 V DC or V AC, V
R
= 24 V DC or V AC
A606
90
180
0.5
27
17
A607
70
130
0.4
55
30
V
max
= 32 V DC or V AC, V
R
= 24 V DC or V AC
A407
13
32
0.12
470 265
V
max
= 60 V DC or V AC, V
R
= 42 V DC or V AC
A622
20
40
0.22
220 150
V
max
= 80 V DC or V AC, V
R
= 63 V DC or V AC
A623
13
25
0.15
470 300
A707
50
90
0.3
125
75
V
max
= 265 V DC or V AC, V
R
= 230 V DC or V AC
A807
15
40
0.2
400 200
A907
12
22
0.15
1500 640
V
max
= 400 V DC or V AC, V
R
= 230 V DC or V AC
A907
12
22
0.15
1500 640
X
X
B59606A0110A062
B59607A0120A062
B59407A0115A062
B59622A0090A062
B59623A0090A062
B59707A0120A062
B59807A0090A062
B59907A0120B062
B59907A0120A062
X
X
X
1) Measured on component soldered to standardized PCB
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 15
Overcurrent protection
SMDs, EIA sizes 0402, 0603, and 1210, 24 V ... 230 V
Dimensional drawings in mm
EIA case size 0402
Solder pad
EIA case size 0603
Solder pad
EIA case size 1210
Solder pad
Recommended maximum dimensions (mm)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 15
Overcurrent protection
SMDs, EIA sizes 0402, 0603, and 1210, 24 V ... 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: 100
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 - 55 - 10 Hz
Displacement amplitude: 0.75 mm
Test duration: 3
×
2 h
Test according to IEC 60068-2-6, test Fc
Pulse shape: half-sine
Acceleration: 400 m/s
2
Pulse duration: 6 ms; 6 x 5000 pulses
Test according to IEC 60068-2-27, test Ea
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
Components reflow-soldered to test board
Maximum bending: 2 mm
Test according to IEC 60068-2-21, test Ue
Shearing of the component soldered on
PCB by a force of 5 N normal to
components longitudinal axis
∆R
25
/R
25
< 25%
< 10%
1)
< 25%
< 20%
1)
< 10%
Rapid change
of temperature
IEC 60738-1
< 10%
Vibration
IEC 60738-1
< 5%
< 10%
1)
Shock
IEC 60738-1
< 5%
< 10%
1)
Climatic sequence
IEC 60738-1
< 10%
Bending test
IEC 60738-1
< 10%
Adhesive strength on
PCB
1) For type A407, B59407A0115A062
No visible
damage
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 15
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