PSPHAQ127-101M
PROD
Needs validationhigh risk
A strong functional alternative with upgraded current ratings and similar DCR, but requires board redesign.
Best Alternatives to PK0810-101MB
PK0810-101MB is a 100µH through-hole power inductor. While no direct pin-compatible replacements have been identified, several surface-mount functional alternatives with similar or better electrical ratings are available, requiring a board layout change.
AI replacement insight
Package riskhigh
Requires board redesign from through-hole to SMD.
Electrical riskmedium
Target's saturation current is unknown. DCR varies between candidates, affecting efficiency.
Sourcing risklow
SMD alternatives are generally widely available from multiple vendors.
Can it be replaced directly?
No direct, pin-compatible replacement for the through-hole PK0810-101MB was found. All suitable alternatives are surface-mount (SMD) parts that require a board redesign.
Best replacement path
Redesign the PCB for an SMD footprint to use a modern, available inductor like PSPHAQ127-101M, which offers superior electrical characteristics.
Main risk
The primary risk is the package mismatch (Through-Hole vs. SMD), which makes a direct drop-in replacement impossible and mandates a PCB layout change.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | PK0810-101MB | PSPHAQ127-101M | PSPMAC1045H-101M-ANP | SLH1207S101MTT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Radial Leaded | SMD, 12x12mm | 1045 (SMD) | 1212 (3030 Metric) SMD | SMD, 12x12mm / 1045 (SMD) / 1212 (3030 Metric) SMD / 0605 (6.6mm x 7.1mm) — Requires board redesign.; PSPMAC1045H-101M-ANP: Requires board redesign.; SLH1207S101MTT: Requires board redesign.; PSPMAA0605H-101M-IGF: Requires board redesign. |
| Inductance H | 100µH | 100µH | 100µH | 100µH | 100µH — matched; PSPMAC1045H-101M-ANP: matched; SLH1207S101MTT: matched; PSPMAA0605H-101M-IGF: matched |
| Current A | 0.9A | 1.7A | 2.0A | 1.7A | 1.7A / 2.0A — Significant upgrade in current rating.; PSPMAC1045H-101M-ANP: Significant upgrade in current rating.; SLH1207S101MTT: Higher current rating is an upgrade.; PSPMAA0605H-101M-IGF: Higher current rating is an upgrade. |
| Dcr Ohm | 0.20Ω | 0.22Ω | 0.25Ω | 0.22Ω | 0.22Ω / 0.25Ω / 0.43Ω — Very close to target DCR.; PSPMAC1045H-101M-ANP: Higher DCR may reduce efficiency.; SLH1207S101MTT: Slightly higher DCR may reduce efficiency.; PSPMAA0605H-101M-IGF: Significantly higher DCR will lower efficiency. |
| Saturation Current A | Missing | 2.2A | 4.0A | Missing | 2.2A / 4.0A / Missing — Target Isat is unknown for comparison.; PSPMAC1045H-101M-ANP: Target Isat is unknown for comparison.; SLH1207S101MTT: Critical for power circuits; review datasheet. |
Application & sourcing insights
Questions & answers
The best functional alternative is PSPHAQ127-101M if you can redesign your board for an SMD component. It offers higher current ratings and a very similar DCR to the original part.