V39MA2B - 

The MA Series of transient surge suppressors are axial lead Metal Oxide Varistors (MOVs) for use in a wide variety of board level industrial and commercial electronic equipment. They are intended to protect components and signal/data lines from low energy transients where the small axial lead package is required. The MA Series is offered with standard ('S' suffix) or tightened ('B' suffix) clamping voltage.
Features:

3 mm Diamter Disc Size

Small Axial Lead Package

Wide Operating Voltage Range: - VMIACIRMS: 9-254 V - V_MIDCI: 13-365 V

No Derating Up to 85°C Ambient