This part is a kind of semiconductor called VL2330.

Function of this product has Vanadium Pentoxide Lithium Coin Batteries.

Manufacturers : Panasonic

Image and pinout :

Some of the text within the PDF file :

Vanadium Pentoxide Lithium Coin Batteries (VL Series): Individual Specifications VL2330 ■ Dimensions(mm) Weight:3.5g VL3032 ■ Dimensions(mm) Weight:6.2g ) (0.12 -+00.01) +0.004 -0.012 (0.13 +0.1 -0.3 0.2(0.008) 23.0 +0 -0.5 ( 0.91+-00.02 ) 19( 0.75) 0.3(0.012) 3.0 +0 -0.3 30.0 +0 -0.3 ( 1.18 +-00.01) 27( 1.06) 3.2 0.3 MAX (0.012) Note: This bare cell diagram is for size reference only. Please refer to the tab configurations at the end of this section for available tabs. ■ Specification Nominal voltage (V) Nominal capacity (mAh) Continuous standard load (mA) Operating temperature (C) 3 50.0 0.1 -20 ~ +60 ■ Discharge Temperature Characteristics 4 Load 30k (100 A) 3 Voltage(V) 2 1 0 200 400 600 Duration(h) 800 ■ Consumption current vs. Duration t [ ... ]

VL2330 PDF Datasheet Download