October 25, 2023

24 volt to 12V, 13V, 14V, 15V, 16V, 17V, 18V, 19V, 20V, 21V, 22V Volt DC/DC Converter, UL listed

(Adjustable DC Regulator)

Very reliable, inexpensive switchmode, regulated DC/DC converter adjustable to various voltages. 5 Amp output.

This is a single output voltage reducing DC/DC converter with barrel connectors for input and output. Input voltage up to 34 volts. It is adjustable by an externally accessible potentiometer between 12V and 22V as long as the input voltage is at least 0.5V higher than the output voltage. These switchmode voltage reducers can power a wide variety of DC input products from 24 volt and 28 volt trucks, heavy equipment, and aircraft cigarette lighter power points.

Lower voltage output 2V-12V DC converter

Click here for the version that has lower voltage outputs: 2V, 3V, 4V, 5V, 6V, 7V, 8V, 9V, 10V, 11V, 12V

These are used by original equipment manufacturers to power their devices whenever 24V to 34V is available, and a reduction in voltage is required. It is an easy way to make your equipment mobile.

The PST-DC2920H DC converter works fine in either 12 volt or 24 volt vehicles.

Price $59.95 each

Quantity	1-20	21-100	101-500	501+
Price Each	$65	$59	$55	$49.00

PST-DC2920H 5 Amp DC/DC converter with two cords and barrel connector assortment
ZHJX002 To adapt the barrel connector to screw terminals on the INPUT cable		$2.50 each
SDY-C53F-2.5 5.5 x 2.5 mm barrel socket To adapt the barrel connector to screw terminals on the OUTPUT cable		$2.50 each
This cigarette lighter plug adapter has a 2A fuse, so it is applicable to low power applications. For example if the input voltage is 24V then 2Amps24Volts0.8 efficiency = 38 Watts output maximum.		Price $2.25 each
PST-WX25-10 Optional 10 connector kit that fits only on the input cable (see below for sizes)		$5.99

Specifications

Model Number	PST-DC2920H DC/DC Converter
Country of origin	USA, NAFTA eligible
Function	Switchmode voltage reducing converter
Input Voltage Range	12.5 VDC to 30 VDC (this converter will only reduce the voltage, so the input voltage must be at least 0.5V higher than the output voltage that is set.
Peak Output Power	100 Watts (limited to 5 amps output, so at 12V the maximum power would be 60W)
Peak Output Current	5 Amps output
Output Voltage Nominal	User or factory adjustable single output 12V-22 Volts
Voltage Adjustment	Voltage is adjusted by means of a pot, which can be accessed from the bottom of the unit, see diagram below
No-Load Overhead	10 to 30 mA is drawn from the battery when no load is connected, see chart below
Connectors	Input connector is a 5.5x2.1 mm barrel socket Output connector is a 5.5x2.5 mm barrel socket The two included cables are identical, with a 5.5x2.1mm barrel plug on one end and a 5.5x2.5 mm barrel plug on the other end. The cables are 16AWG and 20 inches long.
Line Regulation	± 0.5%
Load Regulation	± 1%
Efficiency	77% 24 VDC input, 1A load to 88% 12 VDC input, 1.0A load
Automotive surge protection	Withstands the standard 80 volt load dump test.
Isolation	Non-isolated, common ground, spikes on the positive side are eliminated
Temperature range	-20° to +55°C
Polarity	Center positive
Dimensions	105 x 65 x 30 mm 4.2 x 2.6 x 1.2 inches without cables
Input wire gauge and length	AWG16, 20 inches, 500 mm
Output wire gauge and length	AWG 16, 20 inches, 500 mm
Weight	0.3 lbs, 123 g, 4.4 ounces without cables
Agency approvals	UL60950-1, UL62638-1 UL, cUL, CB, IEC60950-1

These plug adapters are included. They fit on the output cable only.

2.35 OD x 0.7 ID Barrel
3.0 OD x 1.1 ID Barrel
3.5 OD x 1.35 ID Barrel
4.0 OD x 1.7 ID Barrel
4.75 mm OD x 1.75 mm ID Barrel EIAJ-03
5.0 mm OD x 3.5 mm ID with center pin
5.5 mm OD x 1.5 mm ID type 2 Barrel
5.5 mm OD x 2.5 mm ID Barrel
6.3 OD x 3.0 ID center pin Barrel
6.0 OD x 4.4 ID center pin Barrel
7.4 mm OD x 5.0 center pin ID Barrel
7.9 OD x 5.6 ID center pin Barrel

These optional adapters fit on the INPUT cable:
These slide-on adapters fit over the 5.5mm x 2.5mm connector above.	3.5mm OD x 1.35 ID 4.0mm OD x 1.7 ID 5.5mm OD x 1.7 ID 4.75mm OD x 1.75 ID 5.5mm OD x 2.1 ID 6.3mm OD x 3.0 ID 6.0mm OD x 4.3 ID center pin 7.4mm OD x 5mm ID center pin 7.9mm OD x 5.6 ID center pin Rectangular Lenovo connector

efficiency curve for the 5volt 5amp dc converter

Efficiency curves

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