PBAS21A~BAS21S SURFACE MOUNT, HIGH VOLTAGE, DUAL SWITCHING DIODES 250 V 250 mW Voltage Power Features 0.120(3.04) High reverse bearkdown voltage. 0.110(2.80) Fast switching speed. Low reverse leakage current. Surface mount package ideally suited for automatic insertion. Galvanically isolated dual configurations to save board space. Lead free in compliance with EU RoHS2.0 (2011/65/EU & 0.056(1.40) 2015/865/EU directive). 0.047(1.20) Green molding compound as per IEC61249 Std..(Halogen Free) 0.008(0.20) 0.079(2.00) 0.003(0.08) 0.070(1.80) Mechanical Data 0.004(0.10) 0.044(1.10) Case: SOT-23 plastic case 0.035(0.90) 0.000(0.00) Terminals: Solderable per MIL-STD-750, Method 2026 0.020(0.50) 0.013(0.35) Approx. Weight: 0.0003 ounces, 0.008 grams Marking: BAS21A:21A, BAS21C:21C, BAS21S:21S ABSOLUTE RATINGS PARAMETER SYMBOL VALUE UNIT Maximum reverse voltage VR 250 V Peak reverse voltage VRRM 250 V o Average rectified current at temp=25 C IO 0.2 A Non-repetitive peak forward surge current at t=1 s IFSM 4 A THERMAL CHARACTERISTICS PARAMETER SYMBOL VALUE UNIT Power dissipation PTOT 250 mW o Typical thermal resistance (Note 1) RJA 357 C/W RJC 250 o Typical thermal resistance (Note 2) C/W RJL 285 o Junction temperature range TJ 150 C o Storage temperature range TSTG -55 to +150 C Note : 1.Mounted on a FR-4 PCB, single-sided copper, mini pad. 2 2. Mounted on a FR-4 PCB, single-sided copper,with 100cm copper pad area. April 18,2017-REV.03 Page 1 0.006(0.15)MIN. PBAS21A~BAS21S o ELECTRICAL CHARACTERISTICS (T =25 C, unless otherwise noted) J PARAMETER SYMBOL TEST CONDITION MIN. TYP MAX. UNIT Reverse breakdown voltage V(BR) IR=100 A 250 - - V VR =200V - - 0.1 Reverse current IR A o VR =200V TJ=150 C - - 100 IF=1mA - - 0.7 Forward voltage VF V IF=100mA - - 1 Maximum junction capacitance CJ VR=0V,f=1MHz - - 5 pF IF = IR=30mA Reverse recovery time TRR - - 50 ns R =100 L Fig.1 Typical Forward Characteristic Fig.2 Leakage Current VS. Junction Temperature Fig.3 Typical Junction Capacitance Fig.4 Power Derating Curve April 18,2017-REV.03 Page 2