B5817W

B5817W/B5819W Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 1.0 AMPERES 20-40 VOLTS Features: *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOD-123 Package 1 Description: These schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping, Extremely low forward voltage reduces conduction loss, Miniature surface mount package is excellent for hand held and portable applications where space is limited. 2 SOD-123 SOD-123 Outline Dimensions Unit:mm SOD-123 Dim A B C D E H J K Min Max 2.55 2.85 1.40 1.80 0.95 1.35 0.50 0.70 0.30 REF 0.10 0.15 3.55 3.85 PIN 1. CATHODE 2. ANODE WEITRON http://www.weitron.com.tw B5817W/B5819W Maximum Ratings Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current Non-Repetitive Peak Forward Surge Current 8.3ms single half sine-wave superimpose on rated load (JEDEC Method) Typical thermal Resistance junction to Ambient Note (1) Operating & Storage Temperature Range ( TA=25 C Unless otherwise noted) Symbol VRRM VRWM VR VR(RMS) IFAV IFSM R JA TJ TSTG B5817W 20 14 1.0 25 B5819W 40 28 Unit V V A A 244 -55 to +125 C/W C E lectr ical C har acter istics Characteristic Minimum Reverse Breakdown Voltage (2) (IR=500 A) Forward Voltage Note(2) IF=0.5A Tj=25 C IF=1.0A Tj=25 C Reverse Current Note(2) VR=20V, Tj=25 C VR=40V, Tj=25 C Junction Capacitance f=1MHZ, VR=10VDC ( T A =25 C Unles s otherwis e noted) Symbol V(BR)R B5817W 20 0.400 0.450 B5819W 40 0.450 0.550 Unit V VF V IR Cj 500 500 170 A PF Device Marking Item B5817W B5819W Marking BK , SJ BL , SL Eqivalent Circuit diagram 1 1 2 2 Note: 1. Valid provited that leads are kept at ambient tememperature. 2. Pulse Test : Pulse width = 300 s, Duty Cycle 2% WEITRON http://www.weitron.com.tw B5817W/B5819W 1.8 IO, AVERAGE RECITIFIED CURRENT (A) IF, INSTANTNEOUS FWD CURRENT (A) 10 B5819W B5817W 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 1.0 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 TL, LEAD TEMPERATURE ( C) FIG, 1 Forward Current Derating Curve VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig, 2 Typical Forward Characterictics 1000 Cj , CAPACITANCE (pF) 100 10 1.0 0 5 10 15 20 VR.REVERSE VOLTAGE (V) Fig, 3 Typ, Junction Capacitance vs. Reverse Voltage WEITRON http://www.weitron.com.tw