CDSER4148

SMD Switching Diode SMD Diodes Specialist CDSER4148 (RoHS Device) High Speed F eatures 0503(1308) D esigned for mounting on small surface. Extremely thin/leadless package. High mounting capability, strong surge withstand, high reliability. 0 .053(1.35) 0.045(1.15) 0.034(0.85) 0.026(0.65) Mechanical data C ase: 0503(1308) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Marking code: cathode band & S3 Mounting position: Any Weight: 0.002 gram(approx.). 0.022(0.55) Typ. 0.016(0.40) Typ. 0.030(0.75) 0.024(0.60) Dimensions in inches and (millimeter) Maximum Rating ( at T A =25 C unless otherwise noted) O Parameter Repetitive peak reverse voltage Reverse voltage Average forward current Forward current,surge peak Repetitive peak forward current Power Dissipation Storage temperature Junction temperature T P = 1 uS T P = 1 mS Conditions Symbol Min Typ Max Unit V RRM VR IO I FSM I FRM PD T STG Tj -40 4 1 300 150 +125 +125 100 75 150 V V mA A mA mW O C C O Electrical Characteristics ( at T A =25 C unless otherwise noted) O Parameter Forward voltage Reverse current Capacitance between terminals Reverse recovery time VR = 20 V VR = 75 V Conditions I F = 5 0 mA DC Symbol Min Typ Max Unit VF IR CT T rr 1.0 25 2.5 4 4 V nA uA PF f = 1 MH Z ,and 0VDC reverse voltage I F = I R = 1 0 mA, R L = 100 ohms, I rr = 1 mA nS REV:B QW-A0031 Page 1 Comchip Technology CO., LTD. S MD Switching Diode SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDSER4148) Fig. 1 - Forward characteristics 1000 10u Fig. 2 - Reverse characteristics 125 C O R everse current ( A ) Forward current (mA ) 1 00 1u 10 100n 75 C O 1 O 10n 25 C 1n O C O C 0.1 C -25 O C 125 75 25 O 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 O Forward voltage (V) Reverse voltage (V) Fig. 3 - Capacitance between terminals characteristics Capacitance between terminals : (pF) 5.0 Fig. 4 - Current derating curve A verage forward current ( % ) f=1MHz Ta = 25 C O Mounting on glass epoxy PCBs 100 4.0 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:B QW-A0031 Page 2 Comchip Technology CO., LTD. S MD 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 0.90 ± 0.10 0.035 ± 0.004 B 1.46 ± 0.10 0.057 ± 0.004 C 0.80 ± 0.10 0.031 ± 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 ER/0503 (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 ± 0.10 0.079 ± 0.004 T 0.22 ± 0.05 0.008 ± 0.002 W 8.00 ± 0 .20 0.315 ± 0.008 W1 13.5 MAX. 0.531 MAX. ER/0503 (mm) (inch) REV:B QW-A0031 Page 3 Comchip Technology CO., LTD. S MD Switching Diode SMD Diodes Specialist Marking Code Part Number CDSER4148 Marking Code S3 S3 Suggested PAD Layout ER/0503 SIZE (mm) A B C D E 0.85 0.55 0.85 1.40 0.30 (inch) 0.033 0.022 0.033 C D A E 0.055 B 0.118 Standard Package Qty per Reel Case Type (Pcs) ER/0503 5000 Reel Size (inch) 7 REV:B QW-A0031 Page 4 Comchip Technology CO., LTD.