The V7803W-500 is CONVRT DC/DC REG 3.3V 500MA 3SIP, that includes V78W-500 Series, they are designed to operate with a Non-Isolated / POL Product, Type is shown on datasheet note for use in a Linear Regulator Replacement, that offers Packaging features such as Tube, Mounting Style is designed to work in Through Hole, it has an Operating Temperature Range range of - 40 C to + 85 C, the device can also be used as 9 mm Height. In addition, the Length is 17.5 mm, the device is offered in 11.5 mm Width, the device has a 3-SIP Module of Package Case, it has an Operating Temperature range of -40°C ~ 85°C, and the Mounting Type is Through Hole, and Output Type is Single, and the Features is OTP, SCP, and Size Dimension is 0.45" L x 0.35" W x 0.69" H (11.5mm x 9.0mm x 17.5mm), and the Applications is ITE (Commercial), and Number of Outputs is 1, and the Current Output Max is 500mA, and Voltage Input Min is 9V, and the Voltage Input Max is 72V, and Output Power is 1.65 W, and the Voltage Output 1 is 3.3V, and Efficiency is 0.82, and the Power Watts Manufacture Series is 1.65W, and Dimensions is 17.5 mm x 11.5 mm x 9 mm, and the Input Voltage is 9 V to 72 V, and Output Voltage Channel 1 is 3.3 V, and the Output Current Channel 1 is 500 mA.

V7803-500-SMT-TR with user guide, that includes 3.3V Voltage Output 1, they are designed to operate with a 4.5V Voltage Input Min, Voltage Input Max is shown on datasheet note for use in a 28V, that offers Type features such as Linear Regulator Replacement, Size Dimension is designed to work in 0.60" L x 0.34" W x 0.28" H (15.2mm x 8.6mm x 7.1mm), as well as the V78-500-SMT Series, the device can also be used as 1.65W Power Watts Manufacture Series. In addition, the Packaging is Digi-ReelR Alternate Packaging, the device is offered in 10-SMD Module (6 Leads) Package Case, it has an Operating Temperature range of -40°C ~ 85°C, and Number of Outputs is 1, and the Mounting Type is Surface Mount, and Features is Remote On/Off, OTP, SCP, and the Efficiency is 0.9, and Current Output Max is 500mA, and the Applications is ITE (Commercial).

The V7803W-500R is CONVRT DC/DC REG 3.3V 500MA 3SIP, that includes ITE (Commercial) Applications, they are designed to operate with a 500mA Current Output Max, Efficiency is shown on datasheet note for use in a 0.82, that offers Features features such as OTP, SCP, Mounting Type is designed to work in Through Hole, Right Angle, as well as the 1 Number of Outputs, it has an Operating Temperature range of -40°C ~ 85°C. In addition, the Package Case is 3-SIP Module, the device is offered in Tube Packaging, the device has a 1.65W of Power Watts Manufacture Series, and Series is V78W-500, and the Size Dimension is 0.69" L x 0.45" W x 0.35" H (17.5mm x 11.5mm x 9.0mm), and Type is Linear Regulator Replacement, and the Voltage Input Max is 72V, and Voltage Input Min is 9V, and the Voltage Output 1 is 3.3V.

The V7803-500-SMT is "Non-Isolated DC/DC Converters dc-dc non-isolated manufactured by CUI. The V7803-500-SMT is available in SMD Package, is part of the DC DC Converters, , and with support for "Non-Isolated DC/DC Converters dc-dc non-isolated, Module DC-DC 12VIN 1-OUT 3.3V 0.5A 1.65W 6-Pin SMD, Non-Isolated DC/DC Converters dc-dc non-isolated, 500mA, 4.5 28Vdc input, 3.3Vdc output, SMT, tube package.