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Best Alternatives to AZ1117CH-3.3TRG1

Package: TO-261-4, TO-261AADiodes IncorporatedVoltage Regulators - LinearSeries: AZ1117CPackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Output Type: FixedNumber of Regulators: 1Voltage - Input (Max): 15V

AZ1117CH-3.3TRG1 is a 3.3V 1A SOT223 LDO. No pin-compatible replacement is confirmed from the current evidence.

AI replacement insight

Electrical riskhigh

Vin/temp may be lower.

Package riskhigh

Pinout not verified.

Firmware risklow

No digital control.

Sourcing risklow

kept parts are indexed.

Can it be replaced directly?

No confirmed pin-compatible replacement was found.

Best replacement path

Prefer a 3.3V 1A SOT223 LDO with verified 3-pin 1117 pinout.

Main risk

Pinout, input voltage, and temperature range are not fully aligned.

Recommended alternatives

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Alternative comparison matrix

Feature / factorAZ1117CH-3.3TRG1AP7361-33E-13ZLDO1117QGTAAlt 3Compatibility / risk
PackageSOT223SOT223SOT223SOT223 — same package name; ZLDO1117QGTA: same package name
Pinout3 pins4 pins3 pins4 pins / 3 pins — enable pin noted; ZLDO1117QGTA: pin functions missing
Voltage3.3V out, 15V in3.3V out, 6V inadjustable/fixed3.3V out, 6V in / adjustable/fixed — Vin derating; ZLDO1117QGTA: 3.3V not stated
Current1A1A1A1A — same load rating; ZLDO1117QGTA: same rating
Temperature-20 to 125C-40 to 85C-40 to 105C-40 to 85C / -40 to 105C — hot limit lower; ZLDO1117QGTA: hot limit lower

Application & sourcing insights

Questions & answers

AP7361-33E-13 is the closest 3.3V 1A LDO candidate, but it has Vin, temp, and pin-count limits.