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| WEITRON Surface Mount Switching Diode Features: *Fast Switching Speed *Low Rever Leakage Current *Surface Mount Package Ideally Suited for Automatic Insertion WA204U SWITCHING DIODE 100mAMPERS 20VOLTS 3 Mechanical Data: *Case: SOT-323, Molded Plastic *Terminals: Solderable per MIL-STD-202 Method 208 *Polarity: See Diagram *Weight: 0.006grams(approx) 1 2 SOT-323(SC-70) SOT-323 Outline Demensions Unit:mm A SOT-323 B C T OP V IE W D E G H K L J M Dim A B C D E G H J K L M Min 0.30 1.15 2.00 0.30 1.20 1.80 0.00 0.80 0.42 0.10 Max 0.40 1.35 2.40 0.65 0.40 1.40 2.20 0.10 1.00 0.53 0.25 WEITRON http://www.weitron.com.tw WA204U Maximum Ratings Rating Non-Repetitive Reverse Voltage Peak Symbol VRM VRRM VRWM VR Value 20 20 100 200 300 Unit Vdc Vdc mAdc mAdc mAdc Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Vlotage Forward Current Peak Forward Surge Current Non-Repetitive Peak Forward Surge Current IF IFM IFSM @ t=1.0us Thermal Characteristics Characterictics Total Device Dissipation *1 Thermal Resistance, Junction to Ambient Air *1 Junction and Storage Temperature Symbol PD RqJA TJ, Tstg Max 200 Unit mW % /W C %C 625 -55 to +150 C Electrical Characteristics (TA=25% Unless Otherwise note) Characterictics Symbol Min Max Unit Off Characteristics Forward Voltage I F=10mA VF 1.0 Vdc Reverse Voltage Leakage Current VR=15Vdc IR 0.1 Adc 1. Valid provided that terminals are kept at ambient temperature. Device Marking Item Marking Eqivalent Circuit Diagram 3 1 2 WA204U A7 WEITRON http://www.weitron.com.tw WA204U Electrical Characteristic Curves FORWARD CURRENT : I F (mA) FORWARD CURRENT : I F (mA) 100 D1 D1+D2 100 D2 10 10 1 1 C 75 C 1.0 Ta=125 % - 25 % Ta=125% C 75% C 25% C C 0.01 0 125 % 75 C 25 C % %% 1.2 - 25 C 25 C C % 1.0 - 25%C % 0.4 0.8 1.6 2.0 2.4 0.01 0 0.4 0.8 1.2 1.6 2.0 2.4 FORWARD VOLTAGE : VF (V) FORWARD VOLTAGE : VF(V) Fig.1 Forward Characteristics Fig.2 Forward Characteristics 100 REVERSE CURRENT : IR (nA) 10 D1 Ta=125%C D2 125 % C 1 D1 100% C D2 100% C 0.1 D1 75% C D2 75% C 0.01 0 5 10 15 20 REVERSE VOLTAGE : VR (V) Fig.3 Reverse Characteristics WEITRON http://www.weitron.com.tw |
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