The RESD5U2MAFA from ROHM Semiconductor is a Transient Voltage Suppressor Diode. It has a reverse standoff voltage of 5 V and a clamping voltage of up to 12.5 V. This diode has a peak pulse power rating of 25 W and a reverse current of less than 100 nA. It can withstand a peak pulse current of up to 2 A and safeguards against electrostatic discharge voltage of up to 7.5 kV. This TVS diode is available in a surface-mount package that measures 1.05 x 0.65 x 0.40 mm and is ideal for surge protection, earphones (TWS), and wearables.