Transient voltage suppression — 40 V standoff, 1.5 kW peak
The 1.5SMCJ40CA: It is not classified as a power-line protection device — the 40 V standoff is suited for protecting secondary signal and low-power rails from transient spikes, not for direct AC line crowbar protection.
Where a 1.5 kW unidirectional TVS sits in a board
Surface-mount SMC (DO-214AB) packaging accepts standard reflow profiles — the cathode band marks polarity on the tape strip orientation. With a −50 to +150 °C junction operating range, it covers industrial ambient bands without derating on the transient energy side, though layout pad size and copper area under the cathode tab govern the actual thermal resistance junction-to-ambient. General-purpose classification covers a wide deployment window — signal lines, control bus protection, and low-current power rails in instrumentation, drives, and industrial I/O modules are typical board-level positions.
Sourced to order against BOM quantity; availability and current lead time confirmed at RFQ through independent distribution channels.