What the clamping spec means on the bench
The 1.5SMCJ78A_R1_00001: The 150 °C ceiling means this part can sit near a heat source or in an enclosed panel without derating below its listed peak pulse rating, which matters for outdoor enclosures and motor-drive compartments that run hot.
SMC package and what it means for board assembly
The tape-and-reel packaging suits high-volume pick-and-place, while cut-tape is available for low-quantity bring-up boards without committing to a full reel.
Listed as active by Panjit International Inc. — no EOL notice or official successor appears in the cross-reference record, so this is the current line item. No cross-reference or pin-compatible alternative is listed under the same series for this standoff voltage, so confirm the BOM position before committing to a second source.
