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232266xxxxx1 Schematic ( PDF Datasheet ) - Philips Components

Teilenummer 232266xxxxx1
Beschreibung Thermistors
Hersteller Philips Components
Logo Philips Components Logo 




Gesamt 15 Seiten
232266xxxxx1 Datasheet, Funktion
www.DataSheet4U.com
Philips Components
Thermistors for overload protection
PTC 56 V and 265 V (Ts = 120 °C)
Product specification
2322 66. 0/1/3.... series
FEATURES
Different voltages to be chosen in
function of the application
Available in three mechanical
versions
– 2322 66. 0.... naked discs
– 2322 66. 1.... leaded
– 2322 66. 3.... taped, on reel
(to diameter 12.5 mm)
Wide range of trip and non-trip
currents: from 17 mA up to 3 A for
the trip current
Wide range of resistance: from
1.6 up to 1.9 k
Small ratio between trip and
non-trip currents
(It/Int 1.5 at 25 °C)
-I-In--t-t---(-(--a--a--t--t--1-5--0--5----°-°--C-C---)--)-
= 2
Leaded parts withstand mechanical
stresses and vibration.
QUICK REFERENCE DATA
PARAMETER
VALUE
Switch temperature; note 1
120
Maximum voltage:
2322 66. 0/1/3...1
56
2322 66. 0/1/3...3
265
Temperature range:
2322 66. 0/1/3...1/3 at zero dissipation 25 to 125
2322 66. 0/1/3...1/3 at Vmax
Climatic category
0 to +70
25/125/56
Note
1. For information only.
MECHANICAL DATA
handbook, halfpage
D
t
UNIT
°C
V (DC)
V (RMS)
°C
°C
APPLICATIONS
Telecommunications
Automotive systems
Industrial electronics
Consumer electronics
Electronic data processing.
DESCRIPTION
These directly heated thermistors
have a positive temperature
coefficient and are primarily intended
for overload protection. They consist
of a naked disc or with two tinned
brass leads.
DT
5
0.5
5
0.8
0.2
1.4
0
0.4
O 0.6
l
MLB494 - 1
Dimensions in mm.
For D, T and t see Table 1.
Fig.1 Component outline for 2322 66. 0/1...1
1996 Nov 15
1






232266xxxxx1 Datasheet, Funktion
www.DataSheet4U.com
Philips Components
Thermistors for overload protection
PTC 56 V and 265 V (Ts = 120 °C)
Reel information
Product specification
2322 66. 0/1/3.... series
handbook, halfpage
33
18 18
30
1
0
77
85.6 92
356
max
30
1
0
77
85.6 92
356
max
22.5
22.5
42 1
56 max
MBC026
Dimensions in mm.
D < 12 mm.
Fig.4 Dimensions of the reel for 2322 66. 3...1/3.
46 1
60 max
MBE468
Dimensions in mm.
D 12 mm.
Fig.5 Dimensions of the reel for 2322 66. 3...1/3.
1996 Nov 15
6

6 Page









232266xxxxx1 pdf, datenblatt
www.DataSheet4U.com
Philips Components
Thermistors for overload protection
PTC 56 V and 265 V (Ts = 120 °C)
103
ts
102
Product specification
2322 66. 0/1/3.... series
MLD331
10
1
10 1
1
2
4
Curve 1: D = 20.0 mm.
Curve 2: D = 16.0 mm.
Curve 3: D = 12.0 and 13.0 mm.
Curve 4: D = 10.0 mm.
Curve 5: D = 8.0 mm.
Curve 6: D = 6.5 mm.
Curve 7: D = 4.5 mm.
Measured in accordance with “IEC 738”.
6
(1)
(2)
(3)
(4)
(5)
(6)
(7)
8 10 12 14 It / Int 16
Fig.8 Typical trip time as a function of trip current ratio for 2322 66. 0/1/3...3 and 2322 66. 0/1/3...1 (D > 12 mm).
Trip-time or switching time (ts)
To check the trip-time for a specific PTC, refer to Table 3 or 4 for the value Int. Divide the overload or trip-current by this
Int and you realize the factor It/Int. This rule is valid for any ambient temperature between 0 and 70 °C. Adapt the correct
non-trip current with the appropriate curve in Fig.6. Figure 7 shows the relationship between the It/Int factor and the
switching time as a function of the PTC diameter.
EXAMPLE
What will be the trip-time at Iol = 3 A and Tamb = 10 °C of a thermistor type 2322 662 12711; 6.5 ; D = 12 mm:
Int from Table 3: 350 mA at 25 °C
Int: 350 × 1.08 = 378 mA (10 °C).
Overload current = 3 A; factor: 30.378 = 7.94. In Fig.7 at the 12 mm line and It/Int = 7.94, the typical trip time is 1.6 s.
1996 Nov 15
12

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