®
					1SS344  
					SURFACE MOUNT SCHOTTKY BARRIER DIODE  
					WON-TOP ELECTRONICS  
					Pb  
					Features  
					
					Low Forward Voltage  
					L
					
					
					Fast Switching Speed  
					PN Junction Guard Ring for Transient and  
					ESD Protection  
					A
					
					
					For General Purpose Switching Applications  
					Plastic Material – UL Recognition Flammability  
					Classification 94V-0  
					B
					C
					M
					E
					D
					SOT-23  
					Min  
					H
					G
					Dim  
					A
					Max  
					0.51  
					1.40  
					2.50  
					1.05  
					0.61  
					2.05  
					3.05  
					0.15  
					1.10  
					0.61  
					0.178  
					0.37  
					1.19  
					2.10  
					0.89  
					0.45  
					1.78  
					2.65  
					0.013  
					0.89  
					0.45  
					0.076  
					Mechanical Data  
					B
					
					
					Case: SOT-23, Molded Plastic  
					Terminals: Plated Leads Solderable per  
					MIL-STD-202, Method 208  
					K
					C
					D
					J
					E
					G
					H
					
					
					
					
					
					Polarity: See Diagram  
					Weight: 0.008 grams (approx.)  
					Mounting Position: Any  
					Marking: H9  
					Lead Free: For RoHS / Lead Free Version,  
					Add “-LF” Suffix to Part Number, See Page 4  
					J
					K
					L
					M
					All Dimensions in mm  
					TOP VIEW  
					Maximum Ratings @TA=25°C unless otherwise specified  
					Characteristic  
					Symbol  
					Value  
					Unit  
					Non-Repetitive Peak Reverse Voltage  
					VRM  
					25  
					20  
					V
					Peak Repetitive Reverse Voltage  
					Working Peak Reverse Voltage  
					DC Blocking Voltage  
					VRRM  
					VRWM  
					VR  
					V
					Maximum Forward Continuous Current  
					Average Rectified Output Current  
					IFM  
					IO  
					1500  
					500  
					mA  
					mA  
					A
					Non-Repetitive Peak Forward Surge Current  
					Operating and Storage Temperature Range  
					@ t = 10ms  
					IFSM  
					5.0  
					TJ, TSTG  
					-55 to +125  
					°C  
					Thermal Characteristics  
					Characteristic  
					Symbol  
					Value  
					Unit  
					Power Dissipation (Note 1)  
					PD  
					200  
					mW  
					Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout.  
					© Won-Top Electronics Co., Ltd.  
					Revision: April, 2012  
					www.wontop.com  
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