The "2" is an indicator of parts not burned in. The "2" is required because this device was originally sold as being burned in.
Generally, a -1, -2, -3 and/or -4: Indicates devices without burn in. When a device was previously sold as burned in and is now NOT sold as burned in, the NOT burned in parts will indicate this with one of these dash #s. If there is not a dash but rather a "+" sign, then + means RoHS compliant.”
