IC Breakout board. MAX3232E 3-V to 5.5-V Multichannel RS-232 Line Driver and Receiver With +/-15-kV IEC ESD Protection, with 6 auxillary capacitors included, broken out to DIP-10 footprint. Specifications: PCB Dimensions: 0.4" x 0.5" x 0.063". PCB construction: FR-4 UL94V-0. PCB operating temperature range: -40C to +130C. PCB reflow maximum temperature: +260C. PCB Assembly standard: IPC-A-610 Class II.