Small Signal Schottky Diodes CDBT-54/S/C/A-HF Reverse Voltage: 30 Volts Forward Current: 200 mA RoHS Device Halogen free SOT-23 Features 0.122(3.10) -Design for mounting on small surface. -High speed switching application, circuit protection. 0.106(2.70) 3 0.055(1.40) 0.047(1.19) -Low forward voltage drop. 1 2 0.083(2.10) Mechanical data 0.067(1.70) -Case: SOT-23, molded plastic. 0.010(0.25) -Terminals: solderable per MIL-STD-750, method 2026. -Approx. weight: 0.008 grams 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. 0.005(0.13)max Circuit diagram 3 1 0.020(0.51) 3 2 1 CDBT-54-HF 3 2 CDBT-54S-HF 0.020(0.50) 0.012(0.30) 0.014(0.35) 1 3 2 1 CDBT-54C-HF 2 Dimensions in inches and (millimeter) CDBT-54A-HF 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:B Page 1 QW-JB004 Comchip Technology CO., LTD. Small Signal Schottky Diodes RATING AND CHARACTERISTIC CURVES (CDBT-54/S/C/A-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 100 O TA=125 C Rev er s e Curr e n t(μ A ) 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 TA=0 OC 0.1 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:B Page 2 QW-JB004 Comchip Technology CO., LTD. Small Signal Schottky Diodes Marking Code Part Number Marking Code CDBT-54-HF KL1 JV3 CDBT-54A-HF KL2 B6 Product marking code XXX X M M M ∑ : Month Code 3 XX KL3 5C CDBT-54S-HF KL4 LD3 2 “ • ” or “••” or “–” :Traceablity code M CDBT-54C-HF M 1 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 Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 3 QW-JB004 Comchip Technology CO., LTD.