136 10/02
Applications
■Degaussing of picture tubes
Features
■Two PTC thermistors in a plastic case (3-pin)
■Marked with manufacurer’s logo, type
designation and date code
■Flame-retardant case material (UL 94 V-0)
■Solderability to IEC 60068-2-20 (test ta, methode 1)
■Stable performance throughout a large number
of switching cycles owing to clamp contacting
■UL approval to UL 1434 (file number E69802) (except T 205)
■VDE approval for T 890 (license number 128911)
■CECC 60738-1-3-001 approval for T 890
Delivery mode
■Packed in deep-drawn trays
Dimensional drawings
TPT0661-V-E
4,2
17 max.
19 max.
14 max.
1 mm pin width
CBA
Top view
eee
Thermoplast housing for type:
T 205
TPT0666-2-E
5
18 max.
23 max.
14 max.
1 mm pin width
Top view
CBA
eee
Duroplast housing for type:
T 830, T 845, T 870, T 890
B59***
T ***Double Mono PTC Thermistors
Degaussing
137 10/02
Note for all types: A single degaussing coil may be replaced by two coils in parallel.
E.g. a single coil of 10 Ω can be replaced by two 20 Ω coils in parallel,
one conected to terminal A the other to terminal C.
General technical data
Operating temperature range (V = 0) Top
Operating temperature range (V = VN)Top
– 25/+ 125
0/+ 60
°C
°C
Electrical specifications and ordering codes
Type Iin,coil (0 s)
App
Ir,coil (180 s)
(V=VN,
25 °C ≤ Top ≤ 60 °C)
mApp
RN
Ω
Rcoil
Ω
Hou-
sing1)
Decay2) Ordering code
Vmax = 140 VAC, VN = 110 VAC
T 830 ≥ 40 ≤ 60 1,5
(2 × 3)
≥ 5,5 D - B59830T0060B110
Vmax = 270 VAC, VN = 230 VAC
T 845 ≥ 48 ≤ 50 2,25
(2 × 4,5)
≥ 10 D - B59845T0060B110
T 870 ≥ 44 ≤ 50 3,5
(2 × 7)
≥ 10 D - B59870T0060B110
T 205 ≥ 44 ≤ 40 4,5
(2 × 9)
≥ 9,25 T SD B59205T0080B110
T 890 ≥ 40 ≤ 50 4,5
(2 × 9)
≥ 10 D LD B59890T0060B110
TPT0792-W-E
Degaussing
coil
Case
BC
Coil PTC1
220 V~ Coil PTC2 A
TPT0608-A
A
B
C
5
5
e
e
Hole arrangement
Circuit diagram
VN
1) T: Thermoplast housing; D: Duroplast housing
2) SD: Standard decay behavior; LD: Long decay behavior
B59***
T ***Double Mono PTC Thermistors
Degaussing
138 10/02
Reliability data
Test Standard Test conditions |∆R25 /R25|
Switching test
at room temperature
IEC 60738-1 Vmax; RS
Room temperature
Number of cycles: 10000
< 20%
Life test at Vmax /Top IEC 60738-1 Storage at Vmax /Top for
t: 1000 h
< 20%
Damp heat IEC 60068-2-3 Storage at 40 °C
Relative humidity: 93%
Duration: 56 days
< 20%
Rapid change
of temperature in air
IEC 60068-2-14,
Test Na
T = TLCT, T = TUCT
Number of cycles: 5
t: 30 min
< 20%
Vibration IEC 60068-2-6,
Test FC
f = 10–55–10 Hz
h = 0,75 mm (respectively 10 g)
t: 3 · 2 h
< 20%
Bump IEC 60068-2-27 Pulse shape: half-sine
a: = 40 g
Pulse duration: 6 ms; 6 · 4000 pulses
< 20%
Climatic sequence IEC 60068-2-30 Dry heat: T = TUCT, t: 16 h
Damp heat first cycle
Cold: T = TLCT, t: 2 h
Damp heat 5 cycles
< 20%
B59***
T ***Double Mono PTC Thermistors
Degaussing
139 10/02
Characteristics
Typical curve of demagnetization current Iin,coil measured at VN
Coil resistance: 5,5 Ω (T 830), 10 Ω (T 845, T 870), 9,25 Ω (T 205)
Ambient temperature: 25 °C
t
0
TPT0809-V
s
25
_
A
20
_
15
_
10
_
5
_
0
5
10
15
25
in, coil
Ι
0,1 0,2 0,3 0,4 0,5
T 830
t
0
TPT0810-Y
s
30
_
A
30
in, coil
Ι
T 845
0,1 0,2 0,3
20
_
10
_
20
10
0
t
TPT0811-7
30
_
A
30
in, coil
Ι
T 870
20
_
10
_
20
10
0
0 0,05 0,10 0,250,15 0,20 s
t
0
TPT0812-F
s
30
_
A
30
in, coil
Ι
T 205
20
_
10
_
20
10
0
0,05 0,10 0,15 0,20
B59***
T ***Double Mono PTC Thermistors
Degaussing
140 10/02
Characteristics
Typical curve of demagnetization current Iin,coil measured at VN
Coil resistance: 10 Ω (T 890)
Ambient temperature: 25 °C
t
0
TPT0813-N
s
25
_
A
20
_
15
_
10
_
5
_
0
5
10
15
25
in, coil
Ι
T 890
0,1 0,2 0,3
B59***
T ***Double Mono PTC Thermistors
Degaussing
Herausgegeben von EPCOS AG
Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
(
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne aus-
drückliche Genehmigung der EPCOS AG nicht gestattet.
Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek-
troindustrie, soweit nichts anderes vereinbart wird.
Diese Broschüre ersetzt die vorige Ausgabe.
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oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe ent-
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zuholen.
Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
(
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa-
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