PTC thermistors for degaussing
Dual PTC thermistors
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
Degaussing of picture tubes
Features
Two PTC thermistors in a plastic case
(3-pin)
Low residual current through coil due to
double PTC configuration
Marked with manufacturer's logo, type
designation and date code
Flame-retardant case material (UL 94 V-0)
Solderability to IEC 60068-2-20 (test t
a
,
methode 1)
Stable performance throughout a large
number of switching cycles owing to clamp
contacting
VDE approval for T209, T709, T104, T704,
T108, T608 and T250 (license number
128911)
UL approval for T705 and T709 to UL 1434
(file number E69802)
CECC 60738-1-3-001 approval
RoHS-compatible
Delivery mode
Packed in blister trays
Dimensional drawings
Thermoplast housing for type:
T104, T108, T209, T250
Phenolic resin (Duroplast) housing for type:
T608, T704, T705, T709
Circuit diagram
Degaussing
Dual PTC thermistors
Page 2 of 9
Please read Important notes and
Cautions and warnings at the end of this document.
1) T: Thermoplast housing; D: Phenolic resin (Duroplast) housing
2) SD: Standard decay behavior; LD: Long decay behavior
Hole arrangement A
Hole arrangement B
General technical data
Max. operating voltage
V
max
270
VAC
Rated voltage
V
R
230
VAC
Operating temperature range
(V = 0)
T
op
25/+125
C
Operating temperature range
(V = V
R
)
T
op
0/+60
C
Electrical specifications and ordering codes
Type
R
R
R
coil
I
in,coil
(0 s)
A
pp
I
r,coil
(180 s) (V = V
R
,
25
C
T
op
60
C)
mA
pp
Housing
1)
Decay
2)
Ordering code
Hole arrangement = A
T209
9
20
18
8
T
SD
B59209T0080A010
T709
9
14
24
4
D
LD
B59709T0060A110
T704
14
10
25
4
D
LD
B59704T0080A110
T108
18
10
20
4
T
SD
B59108T0080A010
T608
18
10
20
3
D
LD
B59608T0080A110
T250
28
25
10
4
T
-
B59250T0080A010
Hole arrangement = B
T705
4.5
20
24
5
D
-
B59705T0060B110
T209
9
20
18
8
T
SD
B59209T0080B110
T709
9
14
24
4
D
LD
B59709T0060B110
T104
14
10
25
7
T
SD
B59104T0080B010
T108
18
10
20
4
T
SD
B59108T0080B010
T608
18
10
20
3
D
LD
B59608T0080B110
Degaussing
Dual PTC thermistors
Page 3 of 9
Please read Important notes and
Cautions and warnings at the end of this document.
Reliability data
Test
Standard
Test conditions
R
25
/R
25
Electrical endurance,
cycling
IEC 60738-1
Room temperature, V
max;
R
S
Number of cycles: 10 000
< 20%
Electrical endurance,
constant
IEC 60738-1
Storage at V
max
/T
op
Test duration : 1000 h
< 20%
Damp heat
IEC 60738-1
Temperature of air: 40
C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
< 20%
Rapid change
of temperature
IEC 60738-1
T = T
LCT
, T = T
UCT
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, Test Na
< 20%
Vibration
IEC 60738-1
Frequency: 10 - 55 - 10 Hz
Displacement amplitude: 0.75 mm
Test duration: 3 2 h
Test according to IEC 60028-2-6, Test Fc
< 20%
Bump
IEC 60738-1
Pulse shape: half-sine
Acceleration: 40 g
Pulse duration: 6 ms; 6 4000 pulses
Test according to IEC 60068-2-29
< 20%
Climatic sequence
IEC 60738-1
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
< 20%
Degaussing
Dual PTC thermistors
Page 4 of 9
Please read Important notes and
Cautions and warnings at the end of this document.
Characteristics
Typical curve of demagnetization current I
in,coil
measured at V
R
Coil resistance: 20
(T705, T209), 10
(T608), 25
(T250)
Ambient temperature: 25
C
Degaussing
Dual PTC thermistors
Page 5 of 9
Please read Important notes and
Cautions and warnings at the end of this document.
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