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! Note ? Please read rating and ! CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
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R90E.pdf
Mar.4,2014
Application Notes
c Inrush Current Limit for Power Supply
POSISTOR r Lead type: PTGL series
1. Applications
POSISTOR r is an integrated solution to work as both
current limit resistor and overcurrent fuse. It works as a
stable resistor in normal operation and protects itself
against overcurrent situations.
(1) High wattage power supply (flat display panels etc.)
(2) Power supply for fluorescent lights
(3) Other switching power supplies
Replacement idea for a resistor and fuse solution
POSISTOR r
+
+
-
Load
-
Load
2. Benefits
(1) Protection against overcurrent situations
(2) Automatic reset from protective trip mode
(3) Space-saving
(4) Various characteristics to meet a suitable resistance
value
3. Recommended part numbers
Choose an appropriate part number based on the
resistance value required to the inrush current limit.
Review the maximum voltage.
Application
For high
wattage power
supply
For power supply
of electronic
fluorescent
ballasts
Part Number
PTGL13AR100H8B72B0
PTGL12AR150H8B72B0
PTGL14AR180M9C01B0
PTGL09AR250H8B52B0
PTGL09AR390M9C61B0
PTGL07AR560M9B51A0
PTGL07AR820M9B51A0
PTGL07AS121M0N51A0
PTGL07AS181M0N51A0
Max.
Voltage
(V)
265
280
Resistance
(at 25 °C)
(ohm)
10 ±25%
15 ±25%
18 ±20%
25 ±25%
39 ±20%
56 ±20%
82 ±20%
120 ±20%
180 ±20%
Body
Diameter
(mm)
14.0
12.5
15.7
10.0
10.0
8.2
8.2
7.8
7.8
Thickness
(mm)
6.0
6.0
6.5
6.0
6.5
6.5
6.5
6.0
6.0
Lead
Space
(mm)
7.5
7.5
10.0
5.0
6.5
5.0
5.0
5.0
5.0
Lead
Diameter
(mm)
0.60
0.60
0.65
0.60
0.65
0.60
0.60
0.50
0.50
More
Details
page 57
page 57
page 57
page 57
page 56
-
-
page 67
page 67
Please ask for details.
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