COMCHIP Smal l Signal Sch ottky Diodes SMD Diodes Specialist CDBT-70/S/C/A-G Reverse Voltage: 70 Volts Forward Current: 70 mA RoHS Device Features SOT-23 -Design for mounting on small surface. 0.119(3.00) 0.110(2.80) -High speed switching application, circuit protection. 3 0.056(1.40) -Low turn-on voltage. 0.047(1.20) 1 Mechanical data 2 0.083(2.10) 0.066(1.70) -Case: SOT-23, molded plastic. 0.006(0.15) -Terminals: solderable per MIL-STD-750, method 2026. 0.002(0.05) 0.044(1.10) 0.103(2.60) 0.035(0.90) 0.086(2.20) -Approx. weight: 0.008 grams 0.006(0.15) max Circuit diagram 0.020(0.50) 0.013(0.35) 3 1 3 2 1 CDBT-70-G 3 2 CDBT-70S-G 1 0.007(0.20) min 3 2 1 CDBT-70C-G 2 Dimensions in inches and (millimeter) CDBT-70A-G Maximum Ratings and Electrical Characteristics (at Ta=25 OC unless otherwise noted) Parameter Repetitive peak reverse voltage Symbol Conditions Value Units V RRM 70 V Reverse voltage VR 70 V Forward current IF 70 mA 0.1 A 200 mW 0.41 1.0 V 0.1 μA Peak surge forward current I FSM Power dissipation PD Maximum forward voltage VF @I F =1.0mA, tp<300μS @I F =15mA, tp<300μS Maximum reverse current IR @V R =50V Maximum reverse recovery time T rr I F =I R =10mA, R L =100Ω 2 nS Maximum diode capacitance CT V R =0V, f=1.0MHz 5 pF Maximum junction temperature TJ 125 O C T STG -65 to +150 O C Storage temperature T<1.0 sec REV:A Page 1 QW-BA003 Comchip Technology CO., LTD. COMCHIP Smal l Signal Sch ottky Diodes SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDBT-70/S/C/A-G) Fig.1 Forward Characteristics Fig.2 Reverse Characteristics 1000 10000 O T A =125 C Rever s e Curr e nt (nA) F o r w a r d C u r rent ( mA) 1000 100 O T A =125 C 10 O T A =-40 C 1 T A =0 OC T A =75 OC 100 T A =25 OC 10 O T A =0 C T A =-40 OC 1 O T A =25 C O T A =75 C 0.1 0.1 0 0.4 0.8 1.2 1.6 20 0 2.0 Fig.3 Capacitance Between Terminals Characteristics 80 60 100 Fig.4 Power Derating Curve 2.0 400 O T J =25 C f=1MHz Mounted on glass epoxy PCBs 1.6 Power Dissipation (mW) Capac i ta n c e Bet w een Termin a ls (p F ) 40 Reverse Voltage (V) Forward Voltage (V) 1.2 0.8 0.4 300 200 100 0 0 0 10 20 30 40 50 60 70 0 25 50 75 100 125 150 175 Ambient Temperature ( OC) Reverse Voltage (V) REV:A Page 2 QW-BA003 Comchip Technology CO., LTD.