The last PC board SSR to be reviewed is the SSRF. The key feature of this product is its incorporation of a heat sink into its package. This helps remove heat from the relay and eliminates the need to purchase a separate heat sink. The SSRF is rated at 25A with forced air cooling. Like the SSRC, this product is available with a 240 volt or a 480 volt nominal output and its pin-out is also compatible with OAC or OACM series output modules. The SSRF is UL recognized for the U.S. and Canada.