DATA SHEET BAS21A/C/S SURFACE MOUNT, HIGH VOLTAGE, DUAL SWITCHING DIODES VOLTAGE 250 Volts POWER SOT- 23 250mWatts Unit: inch (mm) FEATURES • High reverse bearkdown voltage. .103(2.60) • Galvanically isolated dual configurations to save board space. .086(2.20) .056(1.40) • Surface mount package ideally suited for automatic insertion. .047(1.20) • Low reverse leakage current. .007(.20)MIN .119(3.00) .110(2.80) • Fast switching speed. • In compliance with EU RoHS 2002/95/EC directives .044(1.10) MECHANICAL DATA .006(.15) .002(.05) .006(.15)MAX .020(.50) .013(.35) Case: SOT-23, Plastic .035(0.90) .083(2.10) .066(1.70) Terminals: Solderable per MIL-STD-750, Method 2026 Approx. Weight: 0.008 gram Marking : BAS21A:21A, BAS21C:21C, BAS21S:21S ABSOLUTE RATINGS PA RA M E TE R M a xi m um R e ve r s e V o l t a g e P e a k R e ve r s e V o l t a g e A v e r a g e R e c t i f i e d C u r r e n t a t Te m p = 2 5 O C N o n- r e p e t i t i ve P e a k F o r w a r d S ur g e C ur r e nt a t t = 1 . 0 µ s S ym b o l Va l ue U ni t s VR 250 V V RRM 250 V 0 .2 A 4.0 A I O IF S M THERMAL CHARACTERISTICS PA RA ME TE R S ym b o l Va lue Uni ts P o we r D i s s i p a ti o n P TOT 250 mW The r m a l Re s i s ta nc e , J unc ti o n to A m b i e nt R θJ A 357 J u n c t i o n Te m p e r a t u r e TJ 150 O C S t o r a g e Te m p e r a t u r e T S TG -55 to 150 O C C /W COMMON ANODE COMMON CATHODE SERIES 3 3 3 2 1 BAS21A REV.0.1-FEB.11.2009 O 2 1 BAS21C 2 1 BAS21S PAGE . 1 ELECTRICAL CHARACTERISTICS PARAMETER Symbol Reverse Breakdown Voltage V(BR) Test Condition MIN. TYP. MAX. Units IR=100 uA -- -- 250 V Reverse Current IR VR=200 V VR=200 V, TJ = 150OC -- -- 0.1 100 uA Forward Voltage VF IF=1.0mA IF=100mA -- -- 0.70 1.00 V Maximum Junction Capacitance CJ VR=0V, f=1.0MHZ -- -- 5.0 pF Reverse Recovery Time Trr IF=IR=30mA, RL=100Ω -- -- 50 ns ELECTRICAL CHARACTERISTICS CURVES 100 100 I R , LEAKAGE CURRENT, uA FORWARD CURRENT, mA 1000 TJ =25OC 10 1.0 0.1 0.01 0 1.0 10 1.0 0.1 0.01 2.0 FORWARD VOLTAGE, VOLTS Fig.2 LEAKAGE CURRENT vs JUNCTION TEMPERATURE P D , POWER DISSIPATION (mW) DIODE CAPACITANCE, pF 4.5 3.0 1.5 2 4 6 REVERSE VOLTAGE, VOLTS FIG. 3 TYPICAL JUNCTION CAPACITANCE REV.0.1-FEB.11.2009 200 O 6.0 0 100 T J , JUNCTION TEMPERATURE, C FIG. 1-TYPICAL FORWARD CHARACTERISTIC 0 0 8 500 400 300 200 100 0 50 100 150 200 O AMBIENT TEMPERATURE( C) FIG. 4 POWER DERATING CURVE PAGE . 2 MOUNTING PAD LAYOUT ORDER INFORMATION • Packing information T/R - 12K per 13" plastic Reel T/R - 3K per 7” plastic Reel LEGAL STATEMENT Copyright PanJit International, Inc 2009 The information presented in this document is believed to be accurate and reliable. The specifications and information herein are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit does not convey any license under its patent rights or rights of others. REV.0.1-FEB.11.2009 PAGE . 3