Three-channel video amp in a wide DIP
The LM1207N is a three-channel video amplifier from National Semiconductor, built for analog video signal processing in a 28-pin DIP package with 0.600-inch row spacing (15.24 mm).
Package and mounting
The 10.8 V to 13.2 V single-supply range is tighter than a typical op-amp; it matches the legacy video supply rails common in CRT monitors and early video switchers. If your board runs a 12 V rail, you have about 1.2 V of headroom on each side — enough for a regulated supply but marginal if you share the rail with a motor or relay. At 90 mA supply current across three channels, each channel pulls roughly 30 mA when active. That is not a low-power part; plan for a 12 V linear regulator that can source at least 120 mA with margin, and watch the junction temperature in still air.
Through-hole package — board fit and storage
The 28-DIP with 0.600-inch (15.24 mm) row spacing is a wide body — it takes up about 1.5 inches of board length and needs a socket or through-hole solder joint. No exposed pad, so all heat dissipates through the leads and the plastic body. If you are stocking this for MRO, store the tubes in a dry cabinet below 30 °C; the part is not moisture-sensitive in the same way as a fine-pitch QFP, but the leads are tin-lead (RoHS non-compliant per the listing) and can oxidise in humid storage.
Lifecycle and sourcing — still active, no immediate EOL
That is good news for a legacy video amp that keeps older monitor and video-switch lines running. No official replacement or second-source alternate is listed, so if you need a pin-compatible backup, the LM1207N is the only game in its socket.
