What risks should I check before replacing SSP1117-3.3V?

Key risks include: 1) Electrical Stress: Ensure the replacement's max input voltage is >= 20V. 2) Current Capability: Verify the output current is >= 1A. 3) Physical Fit: Confirm the package and pinout (GND, VOUT, VIN) match exactly.

SSP1117-3.3V Alternatives, Datasheet & Cross Reference | Siproin

The SSP1117-3.3V is a 1A/3.3V LDO in SOT-223/TO-252 packages. While no drop-in replacement is confirmed without datasheet review, several functional and parametric alternatives exist, with the LD1117-3.3 being the most promising candidate.

AI replacement insight

Electrical riskhigh

Candidate's max input voltage must be >= 20V. A lower rating (e.g., 15V) is a common risk.

Package risklow

SOT-223 and TO-252 are standard packages with a common pinout for 1117-series LDOs, but verification is still prudent.

Sourcing riskmedium

Availability of specific cross-vendor parts may vary by region and distributor.

Can it be replaced directly?

Direct replacement for SSP1117-3.3V should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

LD1117-3.3

Main risk

Electrical overstress if the replacement has a lower maximum input voltage than the target's 20V.

Recommended alternatives

Strong alternative matching output voltage, current, and package, with a better temperature range. Requires Vin(max) verification.

View details

Alternative comparison matrix

Feature / factor	SSP1117-3.3V	LD1117-3.3	AMS1117-3.3V-JSM	Compatibility / risk
Voltage	20 V	Unknown	15 V	Unknown / 15 V — Max input voltage not found in summary, must be verified from datasheet to be >= 20V.; AMS1117-3.3V-JSM: Lower maximum input voltage rating.
Current	1 A	1 A	800 mA	1 A / 800 mA — Output current matches.; AMS1117-3.3V-JSM: Lower output current capability.
Package	SOT-223 / TO-252	SOT-223 / TO-252	SOT-223, TO-252, SOT-89	SOT-223 / TO-252 / SOT-223, TO-252, SOT-89 — Package options match.; AMS1117-3.3V-JSM: Package options match.
Temperature	-20°C to 85°C	-40°C to 125°C	-20 °C to 85 °C	-40°C to 125°C / -20 °C to 85 °C — Wider operating temperature range.; AMS1117-3.3V-JSM: Operating temperature range matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for SSP1117-3.3V are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.