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| SMD Switching Diode SMD Diodes Specialist CDSU4148-HF (RoHS Device) High Speed Features 0603(1608) Halogen free. 0.071(1.80) 0.063(1.60) Designed for mounting on small surface. Extremely thin/leadless package. High mounting capability, strong surge withstand, high reliability. 0.039(1.00) 0.031(0.80) Mechanical data 0.033(0.85) 0.027(0.70) Case: 0603 (1608) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750, method 2026. Polarity: Indicated by cathode band. Mounting position: Any. 0.014(0.35) Typ. 0.012 (0.30) Typ. 0.028(0.70) Typ. Dimensions in inches and (millimeter) Weight: 0.003 gram (approx.). Maximum Rating ( at TA = 25 C unless otherwise noted ) Parameter Repetitive peak reverse voltage Reverse voltage Average forward current Forward current , surge peak Repetitive peak forward current Power Dissipation Storage temperature Junction temperature tp=1uS tp=1mS Conditions Symbol Min Typ Max Unit VRRM VR IO 4 100 75 150 V V mA IFSM IFRM PD TSTG Tj -40 -40 1 A 300 150 +125 +125 mA mW C C Electrical Characteristics ( at TA = 25 C unless otherwise noted ) Parameter Forward voltage Reverse current Capacitance between terminals Reverse recovery time VR = 20 V VR = 75 V f = 1MHz, and 0 VDC reverse voltage IF = IR = 10 mA, RL =100 ohms, irr= 1mA Conditions I F = 50 mA DC Symbol Min Typ Max Unit VF IR CT Trr 1.0 25 2.5 4 4 V nA uA pF nS REV:B QW-G0001 Page 1 Comchip Technology CO., LTD. SMD Switching Diode SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDSU4148-HF) Fig. 1 - Forward characteristics 1000 10u Fig. 2 - Reverse characteristics 125 C Reverse current ( A ) Forward current (mA ) 100 1u 10 100n 75 C 1 C C 10n 25 C 1n 125 C 25 75 0.1 -25 C 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.1n 0 10 20 30 -25 C 40 50 60 70 80 90 100 Forward voltage (V) Reverse voltage (V) Fig. 3 - Capacitance between terminals characteristics Capacitance between terminals : (pF) 5.0 Fig. 4 - Current derating curve Average forward current ( % ) f=1MHz Ta = 25 C 4.0 Mounting on glass epoxy PCBs 100 80 3.0 60 2.0 40 1.0 20 0 0 5 10 15 20 25 30 35 0 0 25 50 75 100 125 150 Reverse voltage : (V) Ambient temperature ( C) REV: REV:B QW-G0001 Page 2 Comchip Technology CO., LTD. SMD Switching Diode SMD Diodes Specialist Reel Taping Specification P0 P1 d Index hole E T F B Polarity W C P A 12 0 o D2 D1 D W1 Trailer ....... ....... 10 pitches (min) Device ....... ....... ....... ....... Leader ....... ....... 10 pitches (min) End Start Direction of Feed SYMBOL A 1.00 0.10 0.039 0.004 B 1.85 0.10 0.073 0.004 C 1.00 0.10 0.039 0.004 d 1.55 0.05 0.061 0.002 D 178 1 7.008 0.04 D1 60.0 MIN. 2.362 MIN. D2 13.0 0.20 0.512 0.008 U/0603 (mm) (inch) SYMBOL E 1.75 0.10 0.069 0.004 F 3.50 0.05 0.138 0.002 P 4.00 0.10 0.157 0.004 P0 4.00 0.10 0.157 0.004 P1 2.00 0.05 0.079 0.004 T 0.23 0.05 0.009 0.002 W 8.00 0.20 0.315 0.008 W1 13.5 MAX. 0.531 MAX. U/0603 (mm) (inch) REV:B QW-G0001 Page 3 Comchip Technology CO., LTD. SMD Switching Diode SMD Diodes Specialist Suggested PAD Layout U/0603 SIZE (mm) A B C D E 1.70 0.60 0.80 2.30 1.10 (inch) 0.067 0.024 0.031 C D A E 0.091 B 0.043 Standard Package Qty per Reel Case Type (Pcs) U/0603 4000 Reel Size (inch) 7 REV: REV:B QW-G0001 Page 4 Comchip Technology CO., LTD. |
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