What should engineers review before using WRF1203S-3WR2?

Confirm the output current requirement does not exceed 758 mA, maintain at least 5% output load, keep output capacitance within the stated 2700 uF maximum, and account for the 3 kVDC input-to-output isolation requirement.

What is the pinout of WRF1203S-3WR2?

Use the WRF1203S-3WR2 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about WRF1203S-3WR2 pinout to locate pins, power rails, and interface signals before layout.

WRF1203S-3WR2 Datasheet, Specs, Alternatives & ECAD | Mornsun America, LLC

AI summary

WRF1203S-3WR2 is a 3 W isolated SIP converter for a 12 V nominal rail where a regulated 3.3 V output and 3 kVDC isolation are required.

Best for

Isolated 3.3 V rails from 12 V systems
Industrial electronics
Instrumentation and communication equipment

Avoid if

The input supply may be hot plugged
The application requires operation below 5% output load with specified ripple performance

Check before use

9-18 VDC input range
758 mA maximum output current
2700 uF maximum capacitive load
SIP footprint and isolation clearances

Key specifications

Input range: 9-18 VDC
Output: 3.3 VDC, 758 mA max.
Isolation: 3000 VDC
Power: 3 W

Compliance & Environment

RoHS: ROHS3 Compliant

Application

Industrial controlInstrumentationCommunication equipment

Where to Buy

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Questions & answers

WRF1203S-3WR2 is a MORNSUN regulated and isolated 3 W DC/DC converter in a SIP through-hole package. It accepts 12 VDC nominal input over a 9-18 VDC range and provides one 3.3 VDC output.