Is there a pin-compatible replacement for ME6118A50B3G?

Yes, several parts like the NCP1117ST50T3G and other regulators in the '1117' family share the same SOT-223 package and pinout (Pin 1: GND, Pin 2: VOUT, Pin 3: VIN). However, it is critical to verify the pinout in the specific manufacturer's datasheet before assembly.

What risks should I check before replacing ME6118A50B3G?

Before replacing, check three key risks: 1) Electrical parameters: ensure the substitute's input voltage range, output current, and dropout voltage meet your needs. 2) Temperature range: verify the substitute operates correctly at your application's minimum and maximum temperatures. 3) Physical footprint: confirm the package and pinout match exactly.

ME6118A50B3G Alternatives, Datasheet & Cross Reference | MICRONE

The MICRONE ME6118A50B3G is a popular 5.0V, 1A low-dropout (LDO) linear regulator in a SOT-223 package, widely used in power management for various electronic devices. Finding a suitable replacement involves matching its key electrical and physical characteristics.

AI replacement insight

Electrical riskmedium

Some alternatives have lower input voltage or current ratings, or different dropout characteristics. Verify against your circuit's operating points.

Package risklow

Most alternatives use the same SOT-223 package and standard pinout, but thermal performance of the tab can vary. Pin compatibility is high but not guaranteed without datasheet check.

Sourcing risklow

The target and its primary substitutes are widely available, but availability of specific manufacturer versions can fluctuate.

Can it be replaced directly?

Yes, several direct replacements for the ME6118A50B3G exist. The NCV1117ST50T3G is an upgrade, while parts from the common AMS1117 family are cross-vendor alternatives. Always verify the specific manufacturer's datasheet.

Best replacement path

The onsemi NCV1117ST50T3G is an excellent upgrade path, offering automotive-grade reliability and a wider input voltage range in the same package.

Main risk

The primary risks when substituting are mismatches in minimum operating temperature, maximum input voltage, and output current capability. A substitute may fit the board but fail under specific operating conditions.

Recommended alternatives

An automotive-grade upgrade with a wider input voltage range and matching key specs.

View details

Alternative comparison matrix

Feature / factor	ME6118A50B3G	NCV1117ST50T3G	AMS1117-5.0	NCP1117ST50T3G	Compatibility / risk
Package	SOT-223	SOT-223	SOT-223	SOT-223	SOT-223 — Package matches.; AMS1117-5.0: Commonly available in matching SOT-223 package.; NCP1117ST50T3G: Package matches.
Voltage	Up to 18V	Up to 20V	5.0V	Up to 20V	Up to 20V / 5.0V — Higher maximum input voltage.; AMS1117-5.0: Output voltage matches.; NCP1117ST50T3G: Higher maximum input voltage.
Current	1.0A	1.0A	1.0A	-	1.0A — Output current matches.; AMS1117-5.0: Output current matches.
Temperature	-40°C to +125°C	-40°C to +125°C	Varies by MFR	0°C to +125°C	-40°C to +125°C / Varies by MFR — Operating temperature range matches.; AMS1117-5.0: Must verify specific manufacturer's datasheet for temperature range.; NCP1117ST50T3G: Narrower operating temperature range; not suitable for sub-zero applications.
Application	Commercial	AEC-Q100	-	-	AEC-Q100 — Automotive qualified, indicating higher robustness.

Application & sourcing insights

Questions & answers

The best alternative is the onsemi NCV1117ST50T3G. It is an automotive-grade upgrade with a higher input voltage tolerance and identical package, making it a robust, superior replacement.