From the provided candidates, JL500-50803G01 is the closest functional option, but it needs a 5.08mm PCB footprint.
Best Alternatives to KF128L-3.81-3P
KF128L-3.81-3P is a 3-pin 3.81mm PCB terminal block. Current candidates do not show a verified pin-compatible replacement.
AI replacement insight
Electrical riskmedium
Voltage basis and temp need check.
Package riskhigh
Pitch changes from 3.81mm to 5.08mm.
Firmware risklow
Passive connector, no firmware.
Sourcing riskmedium
Lifecycle data is limited.
Can it be replaced directly?
No verified pin-compatible replacement is supported by the provided data.
Best replacement path
Use JL500-50803G01 only for a PCB redesign to 5.08mm pitch.
Main risk
Footprint and pinout mismatch.
Recommended alternatives
Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.
Alternative comparison matrix
| Feature / factor | KF128L-3.81-3P | JL500-50803G01 | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | PCB terminal,3.81mm | PCB terminal,5.08mm | PCB terminal,5.08mm — footprint change | ||
| Pinout | 3 pins | 3 pins | 3 pins — pin drawing missing | ||
| Voltage | 300V UL | 300V | 300V — rating basis unclear | ||
| Current | 10A | 15A | 15A — higher rating | ||
| Temperature | missing | missing | missing — not in ES |