BAS19 CHENYI | Alldatasheet
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l Ideally Suited for Automatic Insertion l 150oC Junction Temperature l Fast Switching speed l Epitaxial Planar Die Construction Mechanical Data l Case: SOT-23, Molded Plastic l Weight: 0.008 grams ( approx.) l Marking Code Part Number Marking Continuous Reverse Voltage V (V)R Repetitive Peak Reverse Voltage V (V)RRM BAS19 JP 100 120 BAS20 JR 150 200 BAS21 JS 200 250 Maximum Ratings @ 25oC Unless Otherwise Specified Parameter Symbol Value Unit Non-repetitive @ t=1us Peak Reverse Voltage @ t=1sIFSM 2.5 0.5 A Average Rectified Forward Current IF(AV) 200(1) mA Forward DC Current at Tamb=25oC IF 200(2) mA Repetitive Peak Forward Current IFRM 625 mA Power Dissipation up to Tamb=25oC Ptot 250 mW Thermal Resistance Junction to Ambient 430 oC/W Operating & Storage Temperature Tj, TSTG -65~150 oC Notes: (1) Measured under pulse conditions; Pulse time = tp <= 0.3ms (2) Device on fiberglass substrate, See layout on next page BAS19 THRU BAS21 Small Signal Diodes 250mW Suggested Solder Pad Layout DIMENSIONS INCHES MM DIM MIN MAX MIN MAX NOTE A .110 .120 2.80 3.04 B .083 .098 2.10 2.64 C .047 .055 1.20 1.40 D .035 .041 .89 1.03 E .070 .081 1.78 2.05 F .018 .024 .45 .60 G .0005 .0039 .013 .100 H .035 .044 .89 1.12 J .003 .007 .085 .180 K .015 .020 .37 .51 .079 2.000 inches mm .031 .800 .035 .900 .037 .950 .037 .950 K A BC D EF G H J SOT-23 R/C0113JA Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 www.cnelectr.com
Electrical Characteristics(TJ = 25°C unless otherwise noted) Parameter Symbol Test Condition Min Typ Max Unit Forward Voltage V F IF = 100mA — — 1.0 V IF = 200mA — — 1.25 V Leakage Current I R VR = VRmax —— 100 nA VR = VRmax ; Tj= 150°C —— 100 µA Dynamic Forward Resistance r f IF = 10mA — 5 — Ω Capacitance C tot VR = 0 —— 5p Ff = 1MHz Reverse Recovery Time(see figures) trr IF = 30mA, IR = 30mA —— 50 nsIrr = 3mA, RL = 100Ω (1)Device on fiberglass substrate, see layout (SOT-23). 0.59 (15) 0.2 (5) 0.03 (0.8) 0.30 (7.5) 0.12 (3) .04 (1) 0.06 (1.5) 0.20 (5.1) .08 (2) .08 (2) .04 (1) 0.47 (12) Dimensions in inches (millimeters) Layout for RΘ JA test Thickness: Fiberglass 0.059 in. (1.5 mm) Copper leads 0.012 in. (0.3 mm) Test Circuit and Waveforms(BAS19, BAS20, BAS21) Test circuit Input Signal - total pulse duration tp(tot) = 2 µs - duty factor δ = 0.0025 - rise time of reverse pulse t r = 0.6ns - reverse pulse duration t p = 100ns Oscilloscope - rise time t r = 0.35ns - cicuit capitance* C < 1pF *C = oscilloscope input capactitance + parasitic capacitance Waveforms; IR = 3 mA Input signal Output signal Ω BAS19 thru BAS21 www.cnelectr.com