PT4115B89E-B
PowTech
Needs validationmedium risk
PowTech PT4115B89E-B closely matches PT4115 electrical ratings in SOT89-5.
Best Alternatives to PT4115
PT4115 is a SOT89-5 buck LED driver rated 6-30V and 1.2A. Several candidates match the function, but pinout evidence is missing.
AI replacement insight
Electrical riskmedium
Sense voltage and current limit may differ.
Package risklow
Kept parts are SOT89-5.
Firmware risklow
No firmware interface is indicated.
Sourcing riskmedium
Lifecycle data is sparse for most parts.
Can it be replaced directly?
No verified pin-compatible replacement is proven from the provided fields.
Best replacement path
Start with PowTech PT4115B89E-B or PT4115B89E, then verify pinout and sense network.
Main risk
Unverified pin functions and feedback/sense details.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | PT4115 | PT4115B89E-B | PT4115B89E | PT4115EE89E | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT89-5 | SOT89-5 | SOT89-5 | SOT89-5 | SOT89-5 — same package; PT4115B89E: same package; PT4115EE89E: same package; FM4115K.: same package |
| Pinout | 5 pins | 5 pins | 5 pins | 5 pins | 5 pins — pin functions missing; PT4115B89E: pin functions missing; PT4115EE89E: pin functions missing; FM4115K.: pin functions missing |
| Voltage | 6-30V | 6-30V | 6-30V | 6-50V | 6-30V / 6-50V — same range; PT4115B89E: same range; PT4115EE89E: higher max Vin; FM4115K.: same range |
| Current | 1.2A | 1.2A | 1.2A | 1.5A | 1.2A / 1.5A — same rating; PT4115B89E: same rating; PT4115EE89E: higher max current; FM4115K.: same rating |
| Temperature | -25 to 85C | -40 to 85C | - | -40 to 85C | -40 to 85C — wider low temp; PT4115EE89E: wider low temp |
| Interface | PWM/analog | - | DC/PWM | - | DC/PWM / PWM/analog — same dimming role; FM4115K.: same dimming |
Application & sourcing insights
Questions & answers
From the provided data, PT4115B89E-B and PT4115B89E are the closest candidates, pending pinout review.