PTC thermistors for telecom
SMDs
Series/Type:
B59***
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 for telecom applications
Suitable for line card applications e.g. POTS, access networks, customer premises equipment
(CPE) or intergated voice data (IVD)
Features
Compliant with ITU-T standards
basic level lightning surges (10/700 s)
basic level power induction (600 V, 1 A, 0.2 s)
power contact criteria A/B (230 V, 15 min.)
Suitable for continuous connection to mains voltages of 110/230 VAC
in tripped (high ohmic) condition
UL approval for gamma I version to UL 1434 (file number E69802)
Matching available with narrow resistance tolerance
Marked with type designation and date code
RoHS-compatible
Options
Alternative tolerances and resistances on request
Delivery mode
Type G10**: blister tape, 330-mm reel with 16-mm (Gamma I) or 24-mm tape (Gamma L),
taping to IEC 60286-3
Type R212: bulk
General technical data
Max. operating voltage
V
max
245
VAC
Operating temperature range
(V = 0)
T
op
20/+125
C
Operating temperature range
(V = 230 V)
T
op
0/+70
C
Electrical specifications and ordering codes
Type
R
R
R
R
%
R
25,match
I
R
@ 25
C
mA
I
R
@ 70
C
mA
I
S
@ 25
C
mA
I
Smax
@ 230 VAC
A
Ordering code
Gamma I
G1081
9
20
0.5
180
120
400
1.0
B59081G1120A161
G1085 10
20
1.0
180
120
400
1.0
B59085G1120A161
G1083 16
20
0.5
150
100
300
1.5
B59083G1120A161
G1080 25
20
1.0
130
85
270
2.8
B59080G1120B262
G1086 29
20
1.0
125
80
260
2.8
B59086G1120B262
G1084 50
15
1.0
90
60
190
2.5
B59084G1120A161
Telecom
SMDs
G1012 ... R212
Page 2 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Type
R
R
R
R
%
R
25,match
I
R
@ 25
C
mA
I
R
@ 70
C
mA
I
S
@ 25
C
mA
I
Smax
@ 230 VAC
A
Ordering code
Gamma L
G1040 25
20
1.0
120
80
250
4.0
B59040G1120B161
G1012 35
+15/ 20 1.0
100
65
250
4.6
B59012G1120A161
Square disk
R212
12
15
no
120
50
300
1.5
B59212R0080B140
Switching times and ordering codes
Type
t
S (typ)
@ I
Smax,
230 VAC
s
t
S (typ)
@ 1 A,
230 VAC
s
t
S (typ)
@ 500 mA,
230 VAC
s
Ordering code
Gamma I
G1080
0.2
1.5
6.5
B59080G1120B262
G1081
4.4
4.4
23.0
B59081G1120A161
G1083
1.0
2.4
11.0
B59083G1120A161
G1084
0.13
0.8
3.1
B59084G1120A161
G1085
3.9
3.9
19.0
B59085G1120A161
G1086
0.18
1.3
5.5
B59086G1120B262
Gamma L
G1012
0.05
0.8
3.5
B59012G1120A161
G1040
0.08
1.1
5.0
B59040G1120B161
Square disk
R212
0.7
--
--
B59212R0080B140
Telecom
SMDs
G1012 ... R212
Page 3 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Dimensional drawings for Gamma I
Dimensions in mm
Solder pad
Dimensional drawings for Gamma L
Dimensions in mm
Solder pad
Telecom
SMDs
G1012 ... R212
Page 4 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Dimensional drawings for square disk
Dimensions in mm
Solder pad
Dimensions in mm
Type
max.
height
max.
width
max.
thickness
Packaging
Gamma I
G1080
8.2
10.1
3.3
16-mm tape
G1081
8.2
10.1
3.3
16-mm tape
G1083
8.2
10.1
3.3
16-mm tape
G1084
8.2
10.1
3.3
16-mm tape
G1085
8.2
10.1
3.3
16-mm tape
G1086
8.2
10.1
3.3
16-mm tape
Gamma L
G1012
7.2
10.3
3.8
24-mm tape
G1040
7.2
10.3
3.8
24-mm tape
Square disk
R212
5.95
5.95
2.65
Bulk
Telecom
SMDs
G1012 ... R212
Page 5 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
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