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NTC Inrush Current Limiters
SSN
Vishay Dale
www.DataSheet4U.com
FEATURES
Temperature measurement.
Temperature control.
Inrush current limiting.
Temperature compensation.
Sensing liquid or air flow.
STANDARD ELECTRICAL SPECIFICATIONS and DIMENSIONS in inches [millimeters]
L
D
1.0"
Min.
T
PART NUMBER
SSN320
SSN330
SSN340
SSN350
SSN360
SSN370
SSN380
SSN390
SSN400
SSN410
SSN420
SSN430
SSN440
SSN450
SSN460
RESISTANCE
Ro @ 25°C
()
± 20%
1.00
2.00
2.50
2.50
2.50
2.50
2.50
4.00
4.00
4.00
5.00
5.00
5.00
5.00
5.00
Imax
MAXIMUM
STEADY STATE
CURRENT
(amps)
20.00
18.00
3.00
7.00
9.00
10.00
15.00
5.00
8.00
14.00
2.00
4.00
7.00
8.00
9.00
R @ Imax
()
0.015
0.030
0.150
0.050
0.040
0.040
0.030
0.150
0.070
0.050
0.400
0.150
0.070
0.050
0.060
PHYSICAL DIMENSIONS (inches)
“D”
(Max. Diameter
Over Coating)
0.90
0.90
0.60
0.60
0.60
0.90
0.90
0.50
0.60
0.90
0.60
0.60
0.60
0.70
0.90
“T”
(Max. Thickness
Over Coating)
0.30
0.35
0.25
0.25
0.25
0.25
0.30
0.25
0.25
0.35
0.25
0.25
0.25
0.25
0.25
“L”
Lead
Diameter
0.040
0.040
0.032
0.032
0.032
0.040
0.040
0.032
0.040
0.040
0.032
0.032
0.032
0.040
0.040
Document Number 33020
Revision 22-May-02
For technical questions, contact thermistor1@vishay.com
www.vishay.com
35

No Preview Available !

SSN
Vishay Dale
NTC Inrush Current Limiters
STANDARD ELECTRICAL SPECIFICATIONS and DIMENSIONAL CONFIGURATIONS
PART NUMBER
RESISTANCE
Ro @ 25°C
()
± 20%
Imax
MAXIMUM
STEADY STATE
CURRENT
(amps)
R @ Imax
()
PHYSICAL DIMENSIONS (inches)
“D”
(Max. Diameter
Over Coating)
“T”
(Max. Thickness
Over Coating)
“L”
Lead
Diameter
SSN470
5.00
10.00
0.060
0.90
0.35 0.040
SSN480
5.00
12.00
0.060
0.90
0.50 0.040
SSN490
7.00 3.00 0.140 0.50 0.25 0.032
SSN500
7.00 4.00 0.150 0.60 0.30 0.040
SSN510
www.DataSheet4U.com
SSN520
7.00 5.00 0.150 0.60 0.30 0.040
7.00 6.00 0.150 0.60 0.30 0.040
SSN530
10.00 1.50 0.250 0.45
0.25 0.032
SSN540
10.00 2.00 0.200 0.45
0.25 0.032
SSN550
10.00 3.00 0.200 0.50
0.30 0.032
SSN560
10.00 5.00 0.200 0.50
0.35 0.032
SSN570
10.00 6.00 0.150 0.60
0.35 0.040
SSN580
12.00 4.00 0.220 0.50
0.30 0.040
SSN600
20.00 1.75 0.600 0.50
0.35 0.032
SSN610
20.00 2.50 0.500 0.50
0.35 0.032
SSN620
25.00 1.50 0.600 0.50
0.30 0.032
SSN630
40.00 2.00 0.600 0.65
0.25 0.032
SSN650
120.00
3.00
0.900
0.95
0.25 0.040
TYPICAL SCHEMATIC
PACKAGING
AC In
NTC
Optional
Placement
NTC
NTC
NTC
Figure illustrates a typical application in a power supply. The
thermistors are placed in either the AC or DC location of the circuit.
— Bulk
ORDERING INFORMATION
SSN
MODEL
www.vishay.com
36
For technical questions, contact thermistor1@vishay.com
Document Number 33020
Revision 22-May-02