HBD4D28characteristics and applications:
1. use carries packaging,suitable for SMT.
2. Miniaturization,square shape,
width:3.0mm~7.0mm,height:1.2mm~4.0mm.
3. magnitically shielding structure.
4. suitable for reflow SMT process.
5. lead free product.comply with ROHS instruction.
6. widely used in digital camare,scanner,buck-boost 
cinverter,tape recorder power,LCD display module,
portable terminal devices,network communication,
laptop computer,computer and etc.