Small Signal Schottky Diodes CDBT-54/S/C/A-G Reverse Voltage: 30 Volts Forward Current: 200 mA RoHS Device SOT-23 Features -Design for mounting on small surface. -High speed switching application, circuit protection. 0.122(3.10) 0.106(2.70) 3 0.055(1.40) -Low forward voltage drop. 0.047(1.19) 1 Mechanical data 2 0.083(2.10) 0.067(1.70) -Case: SOT-23, molded plastic. -Terminals: solderable per MIL-STD-750, method 2026. -Approx. weight: 0.008 grams 0.010(0.25) 0.003(0.08) 0.045(1.15) 0.118(3.00) 0.035(0.90) 0.083(2.10) -Packing：3,000 pieces per 7” reel. Circuit diagram 0.005(0.13)max 0.020(0.51) 0.020(0.50) 0.012(0.30) 0.014(0.35) 3 1 3 2 CDBT-54-G 1 3 2 CDBT-54S-G 1 3 2 1 CDBT-54C-G 2 Dimensions in inches and (millimeter) CDBT-54A-G Maximum Ratings and Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Repetitive peak reverse voltage Symbol Conditions Value Units VRRM 30 V Reverse voltage VR 30 V Forward current IF 200 mA 600 mA 225 mW 0.24 0.32 0.40 0.50 1.00 V Peak surge forward current IFSM Power dissipation PD T<1.0 sec Maximum forward voltage VF @IF=0.1mA @IF=1mA @IF=10mA @IF=30mA @IF=100mA Maximum reverse current IR @VR=25V 2 μA Maximum reverse recovery time Trr IF=IR=10mA, RL=100Ω 5 nS Maximum diode capacitance CJ VR=1V, f=1.0MHz 10 pF Maximum junction temperature TJ 125 °C TSTG -55 to +125 °C Storage temperature Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 1 QW-BA002 Comchip Technology CO., LTD. Small Signal Schottky Diodes RATING AND CHARACTERISTIC CURVES (CDBT-54/S/C/A-G) Fig.1- Forward characteristics Fig.2- Reverse characteristics 1000 100 O TA=125 C Reverse current, (µA) Forward current, (mA) 10 100 O TA=125 C 10 TA=-25 OC O TA=0 C O TA=25 C 1 TA=75 OC 1 TA=25 OC 0.1 TA=0 OC 0.01 0.1 0.001 0 0.2 0.4 0.6 0.8 0 1.0 10 20 40 30 Forward voltage, (V) Reverse voltage, (V) Fig.3- Capacitance between terminals characteristics Fig.4- Power derating curve 14 50 400 O TJ=25 C f=1MHz Mounted on glass epoxy PCBs 12 Power dissipation, (mW) Capacitance between terminals, (pF) TA=75 OC 10 8 6 4 300 200 100 2 0 0 0 5 10 15 20 25 30 0 25 50 75 100 125 150 175 Ambient temperature, ( °C ) Reverse voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 2 QW-BA002 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 ± 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 ± 1.0 (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 Page 3 QW-BA002 Comchip Technology CO., LTD. SMD ESD Protection Diode Marking Code Product marking code Marking Code Part Number CDBT-54A-G KL2 B6 CDBT-54C-G KL3 5C CDBT-54S-G KL4 LD3 3 XXX X M JV3 M KL1 M ∑ : Month Code CDBT-54-G XX 2 M 1 M “ • ” or “••” or “–” :Traceablity code Month Code: Month Odd Year (per A.D.) Even Year (per A.D.) Month Odd Year (per A.D.) Even Year (per A.D.) Jan 1 E Jul 7 N Feb 2 F Aug 8 P Wer 3 H Sep 9 U Apr 4 J Oct T X May 5 K Nov V Y Jun 6 L Dec C Z Suggested PAD Layout E SOT-23 SIZE (mm) (inch) A 0.80 0.031 B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 E 0.80 0.031 A C D B Standard Packaging REEL PACK Case Type SOT-23 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 4 QW-BA002 Comchip Technology CO., LTD.