Manufacturer Part Number

LME1212SC

Description

DC-DC converter with isolated single output. Input voltage range is 10.8V to 13.2V. Outputs regulated 12V DC at up to 21mA. Delivers a total output power of 250mW. Compact SIP module design. Suitable for commercial ITE (Information Technology Equipment) applications. Now obsolete, but still available from inventory.

Specifications

Input voltage: 10.8V to 13.2V DC

Output voltage: 12V DC

Output current: up to 21mA

Maximum output power: 250mW

Voltage isolation: 1kV

Efficiency: 75% typical

Single output

Short circuit protection (SCP)

Operating temperature: 0°C to 70°C

Mounting: Through hole

Package: 4-pin SIP (Single Inline Package)

Size: 11.4mm x 6.1mm x 9.9mm (0.45" x 0.24" x 0.39")

RoHS compliant (ROHS3)

REACH unaffected

Moisture Sensitivity Level: Not applicable

ECCN: EAR99

HTSUS: 8504.40.9580

Device Structure

Single miniaturized SIP (Single Inline Package) module, four pins for through-hole PCB mounting. Fully encapsulated for electrical isolation and protection.

Performance Characteristics

Up to 1kV DC electrical isolation between input and output sides. Output provides 12V DC up to 21mA, suitable for low power logic, signal, and sensor isolation. Delivers 0.25W (250mW) total output. 75% typical efficiency across input range. Short circuit protection feature protects device and circuit from overcurrent. Wide temperature range for various indoor environments.

Application Environments

Works best in commercial IT equipment, signal conditioning, data acquisition, and industrial control circuits where low-power isolated voltage is needed. Also used for galvanic isolation in communication interfaces, and sensor circuits.

Selection Guidelines

Choose the LME1212SC for applications needing isolated 12V from a 10.8V to 13.2V supply at very low loads (up to 21mA). It is ideal for compact PCBs due to its small size and SIP through hole package. Effective for protecting sensitive circuits through isolation. Confirm output voltage/current requirements and check if 250mW output is sufficient for your application. Note product is obsolete; check stock availability before design-in.

Usage Considerations

Only suitable for low power isolated loads. Make sure input does not exceed 13.2V or drop below 10.8V for stable operation. Ensure output load does not draw more than 21mA. Operate only within 0–70°C ambient temperature. Mount according to SIP module specifications to ensure proper thermal and mechanical performance. Avoid exposing to moisture or harsh environments not specified. Use appropriate fusing and circuit protection as needed.

Potential Equivalent/Replacement Models

There are possible alternatives including CRE1S0505SC and others. Available equivalents may differ in input range, output voltage/current, package, or footprint. For a comprehensive and up-to-date alternatives list, or for design assistance, contact the Ariat-Tech sales team directly. They can provide suitable replacement models and guide you through cross-references if necessary.

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