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 (Ω) ± 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 (Ω)
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
[email protected]
www.vishay.com 35
SSN
Vishay Dale
NTC Inrush Current Limiters
STANDARD ELECTRICAL SPECIFICATIONS and DIMENSIONAL CONFIGURATIONS
PART NUMBER
RESISTANCE
Ro @ 25°C (Ω)
± 20%
Imax MAXIMUM STEADY STATE CURRENT
(amps)
R @ Imax (Ω)
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
[email protected]
Document Number 33020 Revision 22-May-02
.