PTC thermistors for overcurrent
protection
SMDs, EIA size 1210,
24 V, 63 V and 230 V
Series/Type:
Date:
B5960*, B59707, B59807,
B59907
April 2007
©
EPCOS AG 2007. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Overcurrent protection
SMDs, EIA size 1210, 24 V, 63 V and 230 V
A606/607, A707, A807, A907
Applications
Overcurrent protection
Short-circuit protection
Features
Thermistor chip with lead-free tinned
terminations
Small size
Short response times
Suitable for reflow soldering only
Suitable for automatic placement
RoHS-compatible
Delivery mode
Blister tape, 180-mm reel
Dimensional drawing
Dimensions in mm
Geometry of solder pad
Recommended maximum dimensions (mm)
General technical data
Switching cycles
Tolerance of R
R
Tolerance of R
R
Operating temperature range
Operating temperature range
Operating temperature range
N
∆R
R
∆R
R
T
op
T
op
T
op
100
±25
±35
40/+125
0/+60
40/+85
(for A606, A607, A707, A807)
(for A907)
(V = 0)
(V = V
max
, for A606/607, A707/807)
(V = V
max
, for A907)
%
%
°C
°C
°C
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 10
Overcurrent protection
SMDs, EIA size 1210, 24 V, 63 V and 230 V
A606/607, A707, A807, A907
Electrical specifications and ordering codes
Type
I
R 1)
mA
I
S1)
mA
I
Smax
(V = V
max
)
A
T
ref
°C
R
R
Ω
27
55
125
400
1500
R
min
Ω
17
30
75
200
640
B59606A0110A062
B59607A0120A062
B59707A0120A062
B59807A0090A062
B59907A0120A062
Ordering code
V
max
= 30 VDC or VAC , V
R
= 24 VDC or VAC
A606
90
180
0.5
110
A607
70
130
0.4
120
V
max
= 80 VDC or VAC , V
R
= 63 VDC or VAC
A707
50
90
0.3
120
V
max
= 265 VDC or VAC , V
R
= 230 VDC or VAC
A807
15
40
0.2
90
V
max
= 400 VDC or VAC , V
R
= 230 VDC or VAC
A907
12
22
0.15
125
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 10
Overcurrent protection
SMDs, EIA size 1210, 24 V, 63 V and 230 V
A606/607, A707, A807, A907
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
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 = T
LCT
, T = T
UCT
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 60028-2-6, Test Fc
Pulse shape: half-sine
Acceleration: 50 g
Pulse duration: 1 ms; 6 · 3 pulses
Test according to IEC 60068-2-29
Dry heat: T = T
UCT
Test duration: 16 h
Damp heat first cycle
Cold: T = T
LCT
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
∆R
25
/R
25
< 25%
< 25%
< 10%
Rapid change
of temperature
IEC 60738-1
< 10%
Vibration
IEC 60738-1
< 5%
Bump
IEC 60738-1
< 5%
Climatic sequence
IEC 60738-1
< 10%
Bending test
EN 130000/4.35
< 10%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 10
Overcurrent protection
SMDs, EIA size 1210, 24 V, 63 V and 230 V
A606/607, A707, A807, A907
Characteristics (typical) for A606, A607 and A707
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
Switching time t
S
versus switching current I
S
(measured at 25
°C
in still air)
Rated current I
R
versus ambient temperature T
A
(measured in still air)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 10