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April 17, 2023

24 Volt to 9 Volt DC/DC Voltage Reducers (Regulators) Fully Isolated

24 volt to  9 volt  DCDC converter power supplies with 12V-30V input24V to 9V DC converter
24 Volt to 9 Volt  DC/DC converter wide temperature and wide input voltage range 8-2824V to 9V DC converter with 3A or 5A output
24 volt to 9 volt DC/DC converter

Fully isolated 10.8 Watt 24V to 9V DC/DC converters at low cost. Suitable for voltage stabilization of automobile electronics, special purpose UPS, etc.

These DC/DC converters are useful for voltage conversion to operate 9 volt electronics 20 to 30 volt power sources and 24V and 28V planes and vehicles
Model Number PST-DAA2409-2 $30.95
Quantity pricing
1-10 $30.95
11-100 $25.35
101-500 $18.75
501+ $16.00
Input Voltage Range 18 VDC to 30 VDC Nominal 24 VDC  
Peak Output Power 10.8 Watts  
Peak Output Current 1.2 Amps  
Continuous Current 1.2 Amps  
Continuous Output Power 10 Watts  
Output Voltage 9 volts DC
(4.5 to 10 volts available on special order)
Output voltage options
Optional voltages special order from factory (10 piece minimum order)
8.4V, 8.5V, 9V, 9.5V, 9.6V, 10V

4.5v, 4.8v, 5 V , 6V, 6.5V, 7.0V, 7.2V, 7.5V, 8V
No-Load Overhead 20 mA  
Load Regulation ± 3.4%  
Line Regulation ± 0.3%  
Efficiency >70% at full load  
Output Ripple < 40 mV p-p  
Topology Fully Isolated Buck Converter, case isolated  
Isolation Input-- Output 1500VDC Input -- Chassis 1500VDC Output -- Chassis 500VDC  
  • Input Polarity Protect
  • Input Fuse
  • Output Current Limited
Temperature 5 to 45°C (41 to 113°F)  
Dimensions 40 x 150 x 44 mm
1.6 x 5.9 x 1.7 inches
Click here for dimensioned drawing
Weight 200 grams, 7 oz  
Connection Flying wire leads  
24V to 9V
(other output voltages are available)

dimensioned drawing
Click here for dimensioned drawing


OEM Battery Chargers Inexpensive high current DC/DC converter stabilizes voltage in automotive and railroad applications that require 9 volts.

OEM Battery Chargers Also can be used to provide regulated 9 volts from 24V sealed lead acid batteries--excellent for special purpose UPS DC battery backups.

OEM Power Supplies DC input and output LEDs, input fuse protection, input polarity protection, output current limit.

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