PTC thermistors as
limit temperature sensors
SMD, EIA case sizes 0402, 0603, 0805,
standard series
Series/Type:
Date:
B59404, B59601, B59602,
B59603, B59701
August 2017
© EPCOS AG 2017. 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.
Sensors
Limit temperature sensors, EIA case sizes 0402, 0603, 0805
Standard series
Applications
DC/DC converters
Home appliances
Dimmers
Electronic ballasts
Over-temperature protection of power components
Secondary protection of battery packs
SMPS
Notebooks
Features
Fast and reliable response
Suitable for reflow soldering only
Compliant to RoHS directive 2002/95/EC
UL approval to UL1434 for B59404A* and B59601A* (file number E69802)
Lead-free terminations (tinned), except case size 0402
Options
Other T
sense
or resistance values on request
Delivery mode
Blister tape (EIA case size 0805) or cardboard tape (EIA case sizes 0402 and 0603),
180-mm reel with 8-mm tape, taping to IEC 60286-3
Packing unit: 4.000 pcs. for EIA case sizes 0603 and 0805, 10.000 pcs. for EIA case size
0402
General technical data
Max. operating voltage
Minimum operating temperature
Maximum operating temperature
1) T
op,max
= 140
°C
for B59404A0130A062
(V
≤
V
max
)
(V
≤
V
max
)
V
max
T
op,min
T
op,max
32
40
125
°C
or T
sense,1
+25
°C
whichever is higher
1)
V DC
°C
°C
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 19
Sensors
Limit temperature sensors, EIA case sizes 0402, 0603, 0805
Standard series
Electrical specifications and ordering codes
EIA case sizes 0402 and 0603
R
R
(V
≤
V
max
)
Ω
∆R
R
%
T
sense,1
(@ 4.7 kΩ)
°C
T
sense,1
(@ 4.7 MΩ)
°C
R
(T
sense,1
+10
°C)
kΩ
Ordering code
EIA case size 0402, high ohmic types
10000
±50
-
130
±5
-
B59404A0130A062
EIA case size 0603, standard types
470
±50
75
±5
-
-
B59601A0075A062
470
±50
85
±5
-
-
B59601A0085A062
470
±50
95
±5
-
-
B59601A0095A062
470
±50
105
±5
-
-
B59601A0105A062
470
±50
115
±5
-
-
B59601A0115A062
470
±50
125
±5
-
-
B59601A0125A062
470
±50
135
±5
-
-
B59601A0135A062
EIA case size 0603, tight temperature tolerance types
470
±50
85
±3
-
≥
15
B59601A0085B062
470
±50
95
±3
-
≥
40
B59601A0095B062
470
±50
105
±3
-
≥
40
B59601A0105B062
470
±50
115
±3
-
≥
40
B59601A0115B062
470
±50
125
±3
-
≥
40
B59601A0125B062
Note:
In order to limit self heating effects the electrical power during measurement should be below
2 mW for EIA case size 0402 and below 4 mW for EIA case size 0603.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 19
Sensors
Limit temperature sensors,
EIA case sizes 0402, 0603, 0805
Standard series
Electrical specifications and ordering codes
EIA case sizes 0603 and 0805
R
R
(V
≤
V
max
)
Ω
∆R
R
T
sense
T
(@
2 R
R
)
°C
°C
T
R
(typ.)
(T
sense,1
5°C)
(@ R
min
)
°C
kΩ
R
(T
sense,1
+5°C)
kΩ
R
(T
sense,1
+15°C)
kΩ
Ordering code
%
EIA case size 0603, tight resistance tolerance types
±15
70
57
±3
15
≤
1.1
≥
1.1
-
B59602A0055B062
110
470
±15
55
45
±5
5
≤
4.7
≥
4.7
-
B59603A0055A062
470
±15
85
75
±5
40
≤
4.7
≥
4.7
-
B59603A0085A062
470
±15
105 95
±5
55
≤
4.7
≥
4.7
-
B59603A0105A062
EIA case size 0805, standard types
680
±50
70
-
-
≤
5.7
≥
5.7
≥
40
1)
B59701A0070A062
680
±50
90
-
-
≤
5.5
≥
13.3
≥
40
B59701A0090A062
680
±50
100 -
-
≤
5.5
≥
13.3
≥
40
B59701A0100A062
680
±50
110 -
-
≤
5.5
≥
13.3
≥
40
B59701A0110A062
680
±50
120 -
-
≤
5.5
≥
13.3
≥
40
B59701A0120A062
680
±50
130 -
-
≤
5.5
≥
13.3
≥
40
B59701A0130A062
680
±50
140 -
-
≤
5.5
≥
13.3
≥
40
B59701A0140A062
Note:
In order to limit self heating effects the electrical power during measurement should be below
4 mW for EIA case size 0603 and below 6 mW for EIA case size 0805.
1) R (T
sense,1
+25
°C)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 19
Sensors
Limit temperature sensors, EIA case sizes 0402, 0603, 0805
Standard series
Dimensional drawings in mm
EIA case size 0402
Solder pad
Recommended maximum dimensions (mm)
EIA case size 0603
Solder pad
Recommended maximum dimensions (mm)
EIA case size 0805
Solder pad
Recommended maximum dimensions (mm)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 19