BAS121/A/C/S SURFACE MOUNT HIGH VOLTAGE, LOW LEAKAGE SWITCHING DIODE VOLTAGE 250 Volts POWER 250 mW FEATURES • High Reverse Blocking Voltage • Extremely Low Reverse Leakage Current • Surface Mount Package Ideally Suited for Automatic Insertion • In compliance with EU RoHS 2002/95/EC directives MECHANICAL DATA Case : SOT-23, Plastic Terminals : Solderable per MIL-STD-750, Method 2026 Approx weight : 0.008 gram Marking : P8 ABSOLUTE RATINGS PA RA M E TE R S YM B O L VA L UE U N IT S VR 250 V V RRM 250 V IF 0 .2 A IF S M 4 .0 A P TOT 250 mW T J ,T S TG -5 5 to 1 5 0 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 C o nt i nuo us F o r w a r d C ur r e nt N o n- r e p e c 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 P o we r D i s s i p a ti o n (1) J u n c t i o n a n d S t o r a g e Te m p e r a t u r e O C THERMAL CHARACTERISTICS PA RA M E TE R The r m a l R e s i s t a nc e , J unc t i o n t o A m b i e nt (1 ) S YM B O L VA L UE Rθ J A 500 U N IT S O BAS121 BAS121A BAS121C SINGLE COMMON ANODE COMMON CATHODE C /W BAS121S SERIES Note 1. FR-5 Board = 1.0 x 0.75 x 0.062 in REV.0.1-FEB.4.2009 PAGE . 1 BAS121/A/C/S O ELECTRICAL CHARACTERISTICS PA RA M E TE R (T =25 C , unless otherwise noted) A S YM B O L T E S T C O N D IT IO N M IN . T YP. MA X . U N IT S V (B R) IR = 1 0 0 µ A 250 - - V F o rwa rd Vo lta g e VF IF = 1 m A IF = 1 0 0 m A IF = 5 0 m A IF = 1 5 0 m A - - 0.90 1.00 1.10 1.25 V R e ve r s e C ur r e nt a t R a t e d V R IR T J = 2 5 OC T J = 1 5 0 OC - - 0.005 10 µA To t a l C a p a c i t a n c e CT f = 1 . 0 M H z ; V R= 0 V - - 5.0 pF R e v e r s e R e c o v e r y Ti m e t rr IF = IR = 3 0 m A , Ir r = 3 m A , R L = 1 0 0 Ω - - 3000 ns R e ve r s e B r e a k d o w n V o l t a g e ELECTRICAL CHARACTERISTICS CURVE ELECTRICAL CHARACTERISTICS CURVES 10 1000 T J =125 C Forw ard Curr ent,I F(mA) Reve rse Curre nt,I R (nA) O T J =75 C O 1 T J =125 C O 100 0.1 T J =25 C O 10 T J =75 C O T J =25 C O 1 0.01 0.001 0 50 100 150 200 0.1 0.3 300 250 0.4 0.5 0.6 0.7 0.8 0.9 1 Forward Voltage,V F (V) Reverse Voltage, V R (V) FIG. 1-REVERSE CHARACTERISTISTICS FIG. 2-FORWARD CHARACTERISTICS 3 Capacit ance, C(pF) 2.5 f=1MHz 2 1.5 1 0.5 0 0 10 20 30 40 50 60 70 80 90 100 Reverse Voltage,V R (V) FIG. 3-CAPACITANCE REV.0.1-FEB.4.2009 PAGE . 2 BAS121/A/C/S 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.4.2009 PAGE . 3