Is there a pin-compatible replacement for PK0608-3R3MB?

No direct pin-compatible replacement has been verified. PK0810-3R3MB uses the same radial leaded style but is larger, requiring physical fit verification. Always check datasheet dimensions.

What risks should I check before replacing PK0608-3R3MB?

Key risks are: 1) Physical size, as alternatives may be larger. 2) Package type, as many alternatives are SMD, not through-hole. 3) Saturation current (Isat), which is unspecified for the target and critical for avoiding performance drops under load.

PK0608-3R3MB Alternatives, Datasheet & Cross Reference | SXN

PK0608-3R3MB is a 3.3µH, 3.5A radial leaded power inductor from SXN. Finding a replacement involves matching inductance and package while considering current rating, DCR, and physical size.

AI replacement insight

Electrical risklow

Several candidates offer superior current and DCR ratings.

Package riskhigh

No candidate is a confirmed 1:1 size match; many are different mounting types (SMD).

Can it be replaced directly?

No direct drop-in replacement is confirmed. The closest candidate, PK0810-3R3MB, is larger and requires mechanical verification.

Best replacement path

Verify board space for the larger but electrically superior PK0810-3R3MB. If redesigning, consider high-performance SMD options.

Main risk

The primary risk is physical incompatibility, either due to a larger through-hole package or a completely different SMD footprint.

Recommended alternatives

A through-hole inductor with higher current rating and lower DCR, but is physically larger than the target.

View details

Alternative comparison matrix

Feature / factor	PK0608-3R3MB	PK0810-3R3MB	MWSA1004S-3R3MT	PSPMAA1040H-3R3M-ANP	Compatibility / risk
Inductance	3.3 µH	3.3 µH	3.3 µH	3.3 µH	3.3 µH — Inductance matches target.; MWSA1004S-3R3MT: Inductance matches target.; PSPMAA1040H-3R3M-ANP: Inductance matches target.
Current	3.5 A	5.0 A	7.96 A	10.0 A	5.0 A / 7.96 A / 10.0 A — Higher current rating provides more margin.; MWSA1004S-3R3MT: Significantly higher current rating.; PSPMAA1040H-3R3M-ANP: Significantly higher current rating.
Dcr	0.016 Ω	0.012 Ω	0.016 Ω	0.012 Ω	0.012 Ω / 0.016 Ω — Lower DCR reduces power loss.; MWSA1004S-3R3MT: DCR matches target.; PSPMAA1040H-3R3M-ANP: Lower DCR reduces power loss.
Package	Radial Leaded (6.5x8.5mm)	Radial Leaded (8.5x10.5mm)	SMD (10.0x11.5mm)	SMD (10.2x11.0mm)	Radial Leaded (8.5x10.5mm) / SMD (10.0x11.5mm) / SMD (10.2x11.0mm) — Same mounting style but physically larger.; MWSA1004S-3R3MT: Incompatible surface-mount package.; PSPMAA1040H-3R3M-ANP: Incompatible surface-mount package.

Application & sourcing insights

Questions & answers

For similar applications, PK0810-3R3MB offers higher current handling but is physically larger. For new designs, SMD parts like PSPMAA1040H-3R3M-ANP are strong electrical upgrades but require a different board layout.