器件名称:
BAT74
功能描述:
SMALL SIGNAL SCHOTTKY DIODE
文件大小:
54.94KB 共4页
简 介:
BAT74 SMALL SIGNAL SCHOTTKY DIODE FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD VOLTAGE DROP EXTREMELY FAST SWITCHING SURFACE MOUNT DEVICE DESCRIPTION Two separate Schottky barrier diodes encapsulated in a SOT-143 small SMD package. A2 A1 K2 K1 A1 A2 K1 K2 SOT-143 ABSOLUTE RATINGS (limiting values) Symbol VRRM IFRM IFSM Ptot Tstg Tj TL Parameter Repetitive peak reverse voltage Repetitive peak forward current δ = 0.33 Value 30 0.5 1 250 - 65 to +150 150 260 Unit V A A mW °C °C °C Surge non repetitive forward current (tp=10ms sinusoidal) Power Dissipation (note 1) Maximum storage temperature range Maximum operating junction temperature * Maximum temperature for soldering during 10s Tamb = 50°C Note 1: Ptot is the total dissipation of both diodes * : dPtot 1 < thermal runaway condition for a diode on its own heatsink Rth(ja) dTj 1/4 June 1999 - Ed: 3A BAT74 THERMAL RESISTANCE Symbol Rth (j-a) Junction to Ambient (*) Parameter Value 400 Unit °C/W (*) Mounted on epoxy board with recommended pad layout. STATIC ELECTRICAL CHARACTERISTICS (per diode) Symbol VF * Parameters Forward voltage drop Tests conditions Tj = 25°C IF = 0.1 mA IF = 1 mA IF = 10 mA IF = 30 mA IF = 100 mA IR ** Reverse leakage current Tj = 25°C Tj = 100°C Pulse test: * tp = 380 s, δ < 2% ** tp = 5 ms, δ < 2% Min. Typ. Max. 240 320 400 500 900 1 100 Unit mV VR = 30 V A DYNAMIC CHARACTERISTICS (Tj = 25 °C) Symbol C trr Parameters Junction Capacit……
