Small Signal Schottky Diodes CDBT-54/S/C/A-HF Reverse Voltage: 30 Volts Forward Current: 200 mA RoHS Device Halogen free Features SOT-23 -Design for mounting on small surface. -High speed switching application, circuit protection. 0.118(3.00) 0.110(2.80) 3 -Low forward voltage drop. 0.055(1.40) 0.047(1.20) Mechanical data 1 2 0.079(2.00) 0.071(1.80) - Case: SOT-23, molded plastic. - Terminals: Solderable per MIL-STD-750, method 2026. - Weight: 0.0078 grams(approx.). Circuit diagram 3 1 2 1 3 2 CDBT-54S-HF 0.100(2.55) 0.089(2.25) 0.020(0.50) 0.012(0.30) 3 CDBT-54-HF 0.006(0.15) 0.003(0.08) 0.045(1.15) 0.035(0.90) 1 0.020(0.50) 0.012(0.30) 3 2 1 CDBT-54C-HF 2 Dimensions in inches and (millimeter) CDBT-54A-HF Maximum Ratings (at Ta=25°C unless otherwise noted) Parameter Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage Forward continuous current Symbol Value Unit VRRM VRWM VR 30 V IF 200 mA 600 mA 200 mW 500 °C/W Non-repetitive peak forward surge current IFsM Power dissipation PD Thermal resistance Conditions RθJA t=8.3ms Junction to ambient Junction temperature range TJ 125 °C Storage temperature range TSTG -55 to +150 °C Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-JB004 Page 1 Comchip Technology CO., LTD. Small Signal Schottky Diodes Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Symbol Reverse voltage Conditions Min. IR = 100μA V(BR) Forward voltage VF @IF = 0.1mA @IF = 1mA @IF = 10mA @IF = 30mA @IF = 100mA Reverse current IR @VR = 25V Diode capacitance CJ VR = 1V, f = 1.0MHz Reverse recovery time Trr IF = IR = 10mA, IRR = 0.1XIR, RL = 100Ω Typ. Max. Unit 30 V 0.24 0.32 0.40 0.50 1.00 V 2 μA 10 pF 5 nS RATING AND CHARACTERISTIC CURVES (CDBT-54/S/C/A-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 200 100 300 100 TA=100 OC 10 Reverse Current, IR (uA) Forward Current, IF (mA) TA=100°C TA=25°C 1 0.1 10 1 0.1 TA=25 OC 0.01 0.01 0 200 400 600 800 1000 0 5 Fig.3 - Capacitance Characteristics 15 20 25 30 Fig.4 - Power Derating Curve 240 20 TJ=25°C f=1MHz Mounted on glass epoxy PCBs Power Dissipation, PD (mW) Capacitance Between Terminals, CT (pF) 10 Reverse Voltage, VR (V) Forward Voltage, VF (mV) 16 12 8 4 0 200 160 120 80 40 0 0 5 10 15 20 25 30 0 Reverse Voltage, VR (V) 25 50 75 100 125 Ambient Temperature, TA (°C) Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-JB004 Page 2 Comchip Technology CO., LTD. SMD ESD Protection Diode Reel Taping Specification P1 XXX B F E d P0 12 o 0 D2 D1 D W1 SOT-23 SOT-23 SYMBOL A B C d D D1 D2 (mm) 3.15 ± 0.10 2.77 ± 0.10 1.22 ± 0.10 1.50 ± 0.10 178.00 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.124 ± 0.004 0.109 ± 0.004 0.048 ± 0.004 0.059 ± 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 / - 0.10 12.30 ± 1.00 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 / - 0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-JB004 Page 3 Comchip Technology CO., LTD. Small Signal Schottky Diodes Part Number Marking Code CDBT-54-HF KL1 JV3 M CDBT-54A-HF KL2 B6 M CDBT-54C-HF KL3 5C M CDBT-54S-HF KL4 LD3 M Marking Code 3 XXX 1 2 XXX = Product type marking code Solid dot = Halogen free parts Month Code: Month Odd Year (per A.D.) Even Year (per A.D.) Jan 1 E Feb 2 F Wer 3 H Apr 4 J May 5 K Jun 6 L Product marking code ∑ : Month Code XXX Month Odd Year (per A.D.) Even Year (per A.D.) Jul 7 N Aug 8 P Sep 9 U Oct T X Nov V Y Dec C Z X M 3 XX 1 2 “ • ” or “•• ” or “–” :Traceablity code Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-JB004 Page 4 Comchip Technology CO., LTD. Small Signal Schottky Diodes Suggested PAD Layout B SOT-23 SIZE (mm) (inch) A 0.80 0.031 B 0.60 0.024 C 1.90 0.075 D 2.02 0.080 E 2.82 0.111 A D E C Standard Packaging Case Type SOT-23 Qty Per Reel Reel Size (Pcs) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-JB004 Page 5 Comchip Technology CO., LTD.