Manufacturer Part Number

LME1209DC

Description

9V output DC-DC converter with 250mW max power. Isolated module design for stable output and safety. Works with 10.8V to 13.2V input range. Single output, ideal for low power applications. Reliable Murata brand.

Specifications

Input voltage: 10.8V to 13.2V

Output voltage: 9V

Output current: up to 28mA

Max power: 250mW

Isolation voltage: 1kV

Efficiency: 75%

Operating temperature: 0°C to 70°C

Package: 7-DIP module, 4 leads

Size: 11.5mm x 6.0mm x 10.0mm

Mounting: through hole

RoHS compliant, REACH unaffected

Moisture Sensitivity Level (MSL): Not applicable

ECCN: EAR99

HTSUS: 8504.40.9580

Device Structure

Isolated power module in DIP form. 4-lead package for PCB through-hole mounting. Compact size for tight spaces. Internal transformer provides isolation between input and output.

Performance Characteristics

Stable, isolated 9V output up to 28mA. High isolation, up to 1,000V between input and output. Short circuit protected (SCP feature). 75% typical efficiency for small loads. Reliable operation within commercial temperature range (0°C to 70°C).

Application Environments

Designed for ITE (Information Technology Equipment), suitable for commercial electronics, embedded systems, and low-power isolated supply needs. Not recommended for harsh industrial or outdoor use due to commercial temp rating and low power.

Selection Guidelines

Choose LME1209DC if your application requires isolated 9V with low output power (max 28mA) and input range between 10.8V and 13.2V. Confirm compatibility with through-hole PCB assembly and size constraints. Make sure 1kV isolation meets your safety requirements. Consider efficiency and short circuit protection needs.

Usage Considerations

Check input voltage stays in range (10.8V-13.2V). Do not exceed 28mA output draw. Observe recommended operating temperature of 0°C to 70°C for reliability. Ensure isolated output requirements justify this module. Exact pinout and footprint must match your PCB design. As product is obsolete, confirm stock availability before finalizing design.

Potential Equivalent/Replacement Models

The LME1209DC is obsolete. Potential alternatives may exist in Murata’s current LME, NME, or other isolated DC-DC converter series. For comparable 9V output, low power isolated modules, review part numbers like Murata NME1209SC or C&D NME1209SC. Contact the Ariat-Tech sales team for more information and help with alternatives if these do not meet your needs or stock is unavailable.

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