ASS4148 SMD Switching Diode Features General Description IO = 150mA 0603(1608) VR = 75V 0.071(1.80) 0.063(1.60) - Designed for mounting on small surface. 0.039(1.00) 0.031(0.80) - High speed switching. - High mounting capability, strong surge withstand, 0.033(0.85) 0.028(0.70) high reliability. 0.010(0.25)Typ. - Extremely thin package. - Lead-free device 0.012(0.30)Typ. 0.014(0.35)Typ. Dimensions in inches and (millimeter) 1005(2512) P+ 0.102(2.60) 0.095(2.40) 0.051(1.30) 0.043(1.10) Mechanical Data 0.035(0.90) 0.027(0.70) - Case :0603(1608) 1005(2512) standard package, 0.014(0.35)Typ. molded plastic. - Terminals : Gold plated, solderable per 0.012(0.30)Typ. MIL-STD-750, method 2026. 0.014(0.35)Typ. - Polarity : Indicated by cathode band. - Mounting position : Any. Dimensions in inches and (millimeter) - Weight : BD:0.003gram (approximately) BF:0.006gram (approximately) Ordering information A Feature XX 4148 PN SS : Small Singal XX Package type BD-0603 BF-1005 This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 1.0 Aug 2, 2004 1/3 ASS4148 SMD Switching Diode Maximum Rating (at TA=25ºC unless otherwise noted) Symbol Parameter VRRM Min Typ Max Unit Repetitive peak reverse voltage - - 100 V VR Reverse voltage - - 75 V IO Average forward current - - 150 mA IFSM Forward current, surge peak Conditions 0603 1005 - 4 1 4 1 - 150 350 mW - - 300 mA - TP=1uS TP=1mS - 0603 1005 A - PD Power Dissipation IFRM Repetitive peak forward current TSTG Storage temperature -40 - +125 ºC Tj Junction temperature -40 - +125 ºC Electrical Characteristics (at TA=25ºC unless otherwise noted) Symbol Parameter VF Forward voltage IR Reverse current CT Capacitance between terminals Trr Reverse recovery time Conditions IF=50mADC VR=20V VR=75V F=1MHz, and 0 VDC reverse voltage IR=IF=10mA, RL=100ohms,irr=1mA Anachip Corp. www.anachip.com.tw Min. Typ. Max. Unit - - 1.0 V - - 25 2.5 nA µA - - 4.0 pF - - 4.0 nS Rev. 1.0 Aug 2, 2004 2/3 ASS4148 SMD Switching Diode Rating And Characteristic Curves 125 C 75 C 25 C 5.0 f=1MHz Ta = 25 C Average forward current ( % ) Capacitance between terminals : (pF) -25 C 4.0 3.0 2.0 1.0 0 0 5 10 15 20 25 30 35 Reverse voltage : (V) Ambient temperature ( C) Marking Information ASS4148 Anachip Corp. www.anachip.com.tw Rev. 1.0 Aug 2, 2004 3/3