SMD Schottky Barrier Rectifiers SMD Diodes Specialist CDBA5817-HF Thru CDBA5819-HF Reverse Voltage: 20 - 40 Volts Forward Current: 1A or 3 A RoHS Device Features DO-214AC (SMA) Halogen free. Ideal for surface mount applications. Easy pick and place. 0.180(4.57) 0.160(4.06) Plastic package has Underwriters Lab, flamability classification94V-0. 0.110(2.79) 0.086(2.18) 0.065(1.65) 0.049(1.25) Built-in strain relief. Low forward voltage drop. Mechanical data 0.208(5.28) 0.193(4.90) Case: JEDEC DO-214AC, molded plastic. 0.012(0.31) 0.006(0.15) 0.091(2.31) 0.067(1.70) Terminals: Solderable per MIL-STD-750, method 2026. 0.005(0.127) max. 0.060(1.52) 0.030(0.76) Polarity: Color band denotes cathode end. -Approx. weight: 0.056 grams Dimensions in inches and (millimeter) Maximum Ratings(at TA=25°C unless otherwise noted) Symbol CDBA5817-HF Parameter CDBA5818-HF CDBA5819-HF Unit Max. Repetitive Peak Reverse Voltage VRRM 20 30 40 V Max. DC Bolcking Voltage VDC 20 30 40 V Max. RMS Voltage VRMS 14 21 28 V Peak Surge Forward Current 8.3ms single half sine-wave suprimposed on rate load (JEDEC method) IFSM 25 A IO 1 A Max. Average Forward Current Max. Thermal Resistance R Storage Temperature TSTG Max. Operating Junction Temperature O 20 JL C/W O +125 Tj C O -65 to +150 C Electrical Characteristics (at TA=25°C unless otherwise noted) Symbol CDBA5817-HF Parameter Max. Forward Voltage at 1.0 A at 3.0 A VF CDBA5818-HF CDBA5819-HF Unit 0.550 0.775 0.60 0.90 V 0.45 0.75 Max. DC Reverse Current at Rated DC Blocking Voltage Ta = 25C Ta = 100C IR 0.5 20 mA Typical Junction Capacitance Cj 65 pF O O REV:A Page 1 QW-JB009 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDBA5817-HF Thru CDBA5819-HF) Fig. 2 - Reverse characteristics Fig. 1 - Forward characteristics 1000 10 O Reverse current (mA) =2 5 O C 1.0 Tj Forward current (A) Tj=125 C 0.1 100 10 O Tj =25 C 1 Pulse width 300us 1% duty cycle 0.01 0.1 0 0.2 0.4 0.6 0.8 1.0 0 10 30 20 40 50 Percent of rated peak reverse voltage (%) Forward voltage (V) Fig.3 - Capacitance between terminals characteristics Fig.4 - Current derating curve 1000 f=1MHz Tj=25C 1.2 Average forward current(A) Junction capacitance(PF) O 100 1.0 0.8 0.6 0.4 0.2 0 10 0.1 10 1 100 0 25 50 75 100 125 150 O Reverse voltage (V) Lead temperature (C) Fig.5 - Non repetitive peak forward surge current Peak surge forward current(A) 35 8.3 ms single half sine wave JEDEC mehode 30 25 20 15 O Tj =25 C 10 5 0 1 10 100 Number of cycles at 60 Hz REV:A Page 2 QW-JB009 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers SMD Diodes Specialist Reel Taping Specification d P0 P1 T E Index hole F W B Polarity P C A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... 10 pitches (min) ....... ....... Start 10 pitches (min) Direction of Feed SMA (DO-214AC) SMA (DO-214AC) SYMBOL A B C d D D1 D2 (mm) 2.70 (max) 5.30 (max) 2.66 (max) 1.50 ± 0.10 330 50.0 MIN. 13.5 ± 1.00 (inch) 0.106 (max) 0.209 (max) 0.105 (max) 0.059 ± 0.004 12.99 1.969 MIN. 0.531 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 5.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.05 12.0 ± 0.20 18.4 (max) (inch) 0.689 ± 0.004 0.217 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.002 0.472 ± 0.008 0.724 (max) REV:A Page 3 QW-JB009 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers SMD Diodes Specialist Marking Code Part Number Marking Code CDBA5817-HF 5817 CDBA5818-HF 5818 CDBA5819-HF 5819 XXXX xxxx = Product type marking code Suggested PAD Layout D DO-214AC(SMA) A SIZE (mm) (inch) A 3.80 0.150 B 1.60 0.063 C 2.80 0.110 D 5.40 0.213 E 2.20 0.087 E C B Standard Package Qty per Reel Reel Size (Pcs) (inch) 5000 13 Case Type DO-214AC (SMA) REV:A Page 4 QW-JB009 Comchip Technology CO., LTD.