BAS521-HF COMCHIP | Alldatasheet
Document overview
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Technical content
Features
- Ultra small plastic SMD package. - High continuous reverse voltage: 300V - Repetitive peak forward current: 625mA Mechanical data - Case: SOD-523 standard package, - Terminals: Solderable per MIL-STD-750, method 2026 - Weight: 0.012 grams(approx.) Dimensions in inches and (millimeter) Parameter Unit Maximum Ratings (at TA=25°C unless otherwise noted) Repetitive peak reverse voltage Repetitive forward current tp=1ms VRRM VR IFRM IFSM IF V V A A SOD-523 SymbolParameter Conditions Min. Max. Unit Electrical Characteristics (at TA=25°C unless otherwise noted) V Typ. 0.051(1.30) 0.043(1.10) 0.035(0.90) 0.028(0.70) 0.067(1.70) 0.059(1.50) 0.012(0.30) 0.004(0.10) Typical Symbol Value 300 4.5 250 Continous reverse voltage RoHS Device Forward Current: 250 mA 0.006(0.15) 0.020(0.50) 0.028(0.70) mA 300 IF=100mAVFForwardvoltage 0.95 Reverse current Diode capacitance Reverse recovery time VR=0V, f=1MHz When switching from IF=30mA measured at IR=3mA to IR=30mA; RL=100W; IR Cd trr 50 nA pF nS 0.4 VR=250V 15030 - High switching speed: max.50ns, Molded plastic 1.1 - Mounting position: Any Circuit Diagram Storage and operating ambient temperature TSTG, Tamb °C 150 -65 ~ +150 Junction temperature TJ °C Total power dissipation Ptot mW500 Non-repetitive peak forward surge current tp=1ms;square wave; TJ=25°C prior to surge Breakdown voltage VBR VIR=100uA 340300 IR VR=250V, TJ=150°C μA10040 Note: Ts is temperature at the soldering point of the cathode tab. 0.010(0.25) Company reserves the right to improve product design , functions and reliability without notice. Halogen Free - High voltage switching diode. Continous forward currnt Ts≤90°C; Note 1 Ts≤90°C; Note 1 Comchip Technology CO., LTD. Typ.
RATING AND CHARACTERISTIC CURVES (BAS521-HF) Page 2QW-J0004 REV:A Junction Temperature, (°C) Reverse Current μA, ( ) 400 0 1 200 0.5 1.5 500 100 Forward Voltage, (V) 160120400 1.0 200 Forward Current, (mA) Reverse Voltage, (V) 0.30 0.42 Diode Capacitance , (pF) SMD Switching Diodes 0.34 0.38 200 4010 30 300 Fig.1 - Forward current as a function of forward voltage; typical values Typical values VR = VRmax TA=150°C TA=75°C TA=25°C Fig.2 - Reverse current as a function of junction temperature Fig.3 - Maximum permissible continuous forward current as a function of ambient temperature. Continous Forward Current , (mA) Ambient Temperature, (°C) 100 200 300 0 100 20050 150 Peak Forward Surge Current, (A) 102 103 104 102 10-1 forward current as a Function of pulse duration Fig.5 - Maximum permissible non-repetitive peak Pulse Duration, (us) Company reserves the right to improve product design , functions and reliability without notice. Fig.4 - Diode capacitance as a function of reverse voltage; typical values Comchip Technology CO., LTD.
(mm) (inch) 2.126 ± 0.020 2.00 ± 0.05 178 ± 1.00 SYMBOL (mm) E F P P0 P1 W W1 1.75 ± 0.10 0.069 ± 0.004 3.50 ± 0.05 0.138 ± 0.002 SOD-523 0.95 ± 0.05 0.037 ± 0.002 1.94 ± 0.05 0.076 ± 0.002 0.73 ± 0.10 0.029 ± 0.004 9.50 ± 1.00 0.374 ± 0.039 8.00 0.30 /+ –0.10 SMD Switching Diodes Page 3QW-J0004 REV:A Trailer Device Leader 10 pitches (min)10 pitches (min) Direction of Feed D1 D2 D o 120 T C d E F W A B P Company reserves the right to improve product design , functions and reliability without notice. Reel Taping Specification Comchip Technology CO., LTD.
REV:A SMD Switching Diodes Case Type SOD-523 3,000 REEL ( pcs ) Reel Size (inch) REEL PACK Standard Packaging SIZE (inch) 0.055 (mm) 1.40 0.40 0.40 0.016 0.016 SOD-523 A B C C B A Suggested PAD Layout Company reserves the right to improve product design , functions and reliability without notice. Part Number BAS521-HF Marking Code L4 L4 Marking Code Comchip Technology CO., LTD.