PTC thermistors for overcurrent
protection
SMDs, EIA size 3225 and 4032, 24 V
Series/Type:
B59101, B59201, B59301
Date:
March 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
Overcurrent protection
Short-circuit protection
Features
Molded epoxy encapsulation,
lead-free tinned solder terminals
Suitable for wave and reflow soldering
Suitable for automatic placement
RoHS-compatible
Delivery mode
Blister tape, 330-mm reel
Dimensional drawing
Dimensions (mm)
Type
h
0.5
w
0.5 l
0.5 a
0.3 Size
Reference temperature T
ref
= 80
C
P1101 3.3
6.3
8.0
1.7
3225
P1201 3.3
6.3
8.0
1.7
3225
P1301 3.3
8.0
10.0
2.3
4032
Reference temperature T
ref
= 120
C
P1101 3.3
6.3
8.0
1.7
3225
P1201 3.3
6.3
8.0
1.7
3225
P1301 3.3
8.0
10.0
2.3
4032
Geometry of solder pads
Recommended maximum dimensions (mm)
General technical data
Max. operating voltage
(T
A
= 60
C)
V
max
30
VDC or VAC
Rated voltage
V
R
24
VDC or VAC
Switching cycles
N
100
Tolerance of R
R
R
R
25
%
Operating temperature range
(V = 0)
T
op
40/+125
C
Operating temperature range
(V = V
max
)
T
op
40/+60
C
Overcurrent protection
SMDs, EIA size 3225 and 4032, 24 V
P1101, P1201, P1301
Page 2 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Electrical specifications and ordering codes
Type
I
R
mA
I
S
mA
I
Smax
(V = V
max
)
A
I
r
(V = V
max
)
typ.
mA
R
R
R
min
Ordering code
Reference temperature T
ref
= 80
C
P1301
205
420
1.6
38
3.1
1.85
B59301P1080A062
P1201
165
340
1.0
34
4.6
2.70
B59201P1080A062
P1101
90
185
0.7
25
13
7.80
B59101P1080A062
Reference temperature T
ref
= 120
C
P1301
310
640
1.6
53
3.1
1.85
B59301P1120A062
P1201
265
545
1.0
45
4.6
2.70
B59201P1120A062
P1101
170
355
0.7
35
13
7.80
B59101P1120A062
Overcurrent protection
SMDs, EIA size 3225 and 4032, 24 V
P1101, P1201, P1301
Page 3 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Characteristics (typical) for T
ref
= 80
C
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)
Rated current I
R
versus ambient temperature T
A
(measured in still air)
Overcurrent protection
SMDs, EIA size 3225 and 4032, 24 V
P1101, P1201, P1301
Page 4 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Characteristics (typical) for T
ref
= 120
C
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)
Rated current I
R
versus ambient temperature T
A
(measured in still air)
Overcurrent protection
SMDs, EIA size 3225 and 4032, 24 V
P1101, P1201, P1301
Page 5 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
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