PTC thermistors for
overcurrent protection
SMDs, EIA sizes 3225 and 4032, 24 V
Series/Type:
Date:
B59101, B59201, B59301
January 2016
© EPCOS AG 2016. 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 3225 and 4032, 24 V
Applications
Overcurrent protection
Short circuit protection
Features
Molded epoxy encapsulation,
lead-free tinned solder terminals
Marking: Type, manufacturer's logo,
reference temperature in
°C
Suitable for wave and reflow soldering
Suitable for automatic placement
Qualification based on AEC-Q200, Rev. D
Moisture sensitivity level (MSL) 1 acc.
to JEDEC J-STD-020D
RoHS-compatible
Delivery mode
Blister tape, 330-mm reel with 16-mm tape,
taping to IEC 60286-3
Dimensional drawing
Dimensions (mm)
Type
h
±0.5
w
±0.5
l
±0.5
a
±0.3
Size
3225
3225
4032
3225
3225
4032
Reference temperature T
ref
= 80
°C
P1101 3.3
6.3
8.0 1.7
P1201 3.3
6.3
8.0 1.7
P1301 3.3
8.0
10.0 2.3
Reference temperature T
ref
= 120
°C
P1101 3.3
6.3
8.0 1.7
P1201 3.3
6.3
8.0 1.7
P1301 3.3
8.0
10.0 2.3
Geometry of solder pads
EIA case size 3225
EIA case size 4032
Recommended maximum dimensions (mm)
General technical data
Max. operating voltage
Rated voltage
Switching cycles
Tolerance of R
R
Operating temperature range
Operating temperature range
(T
A
= 60
°C)
V
max
V
R
N
∆R
R
T
op
T
op
30
24
100
±25
40/+125
40/+60
V DC or V AC
V DC or V AC
%
°C
°C
(V = 0)
(V = V
max
)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 11
Overcurrent protection
SMDs, EIA sizes 3225 and 4032, 24 V
Electrical specifications and ordering codes
Type
I
R
I
S
I
Smax
I
r
(V = V
max
) (typ.)
(V = V
max
)
A
mA
38
34
25
53
45
35
R
R
R
min
Ordering code
mA
mA
Ω
3.1
4.6
13
3.1
4.6
13
Ω
1.85
2.70
7.80
1.85
2.70
7.80
B59301P1080A062
B59201P1080A062
B59101P1080A062
B59301P1120A062
B59201P1120A062
B59101P1120A062
Reference temperature T
ref
= 80
°C
P1301 205
420
1.6
P1201 165
340
1.0
P1101
90
185
0.7
Reference temperature T
ref
= 120
°C
P1301 310
640
1.6
P1201 265
545
1.0
P1101 170
355
0.7
Reliability data
Test
Electrical endurance,
cycling
Electrical endurance,
constant
Damp heat
Standard
IEC 60738-1
IEC 60738-1
IEC 60738-1
Rapid change
of temperature
IEC 60738-1
Shock
Bending test
IEC 60738-1
IEC 60738-1
Test conditions
Room temperature, I
Smax
; V
max
Number of cycles: 100
Storage at V
max
and 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
Acceleration: 400 m/s
2
Pulse duration: 6 ms; 6
×
5000 pulses
Components reflow-soldered to test board
Maximum bending: 2 mm
Test according to IEC 60068-2-21, test Ue
∆R
25
/R
25
< 25%
< 25%
< 10%
< 10%
< 5%
< 10%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 11
Overcurrent protection
SMDs, EIA sizes 3225 and 4032, 24 V
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)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 11
Overcurrent protection
SMDs, EIA sizes 3225 and 4032, 24 V
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)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 11
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
