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SRD820 THRU SRD860 8.0 AMPS. Schottky Barrier Rectifiers Voltage Range 20 to 60 Volts Current 8.0 Amperes Features Low forward voltage 125OC operating junction temperature Epoxy meets UL94, VO at 1/8" Guaranteed reverse avalanche Compact size Lead formed for surface mount D-PAK .250(6.55) .246(6.45) .211(5.36) .207(5.26) .093(2.35) .089(2.25) .013(0.54) .011(0.48) Marking .274(6.95) .270(6.85) .250(6.55) .246(6.45) .043(1.10) .035(0.90) 05 .384(9.75) .364(9.25) .112(2.85) .092(2.35) .059(1.45) .039(0.95) 05 30 5 Mechanical Data Cases: Epoxy, molded Weight: 0.4 gram (approximately) Finish: All external surfaces corrosion resistant and terminal leads are readily solderable Lead and mounting surface temperature for soldering purposes: 260OC max. for 10 seconds Shipped 75 units per plastic tube Marking: SRD820, SRD830, SRD840, SRD850, SRD860 .024(0.60) .031(0.80) .013(0.54) .011(0.48) .053(1.30) .045(1.10) .211(5.36) .207(5.26) .165(4.20) .149(3.80) 1 2 3 Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SRD SRD SRD Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TC= 88 Nonrepetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 HZ) Maximum Instantaneous Forward Voltage at @4.0A Maximum D.C. Reverse Current @ Tc=25 at Rated DC Blocking Voltage(Note 1) @ Tc=100 Maximum Thermal Resistance Per Leg (Note 2) Operating Junction Temperature Range Storage Temperature Range VRRM VRMS VDC I(AV) IFSM VF IR RJC RJA TJ TSTG 820 20 14 20 830 30 21 30 840 40 28 40 8.0 75 SRD 850 50 35 50 SRD 860 60 42 60 Units V V V A A 0.55 1.4 35 6 80 -65 to +125 -65 to +150 0.7 V mA mA /W Notes: 1. Pulse Test: Pulse Width = 300us, 2.0% Duty Cycle. 2. Thermal Resistance from Junction to Case and Thermal Resistance from Junction to Ambient. - 124 - RATINGS AND CHARACTERISTIC CURVES (SRD820 THRU SRD860 ) FIG.1- FORWARD CURRENT DERATING CURVE 10 FIG.2-TYPICAL FORWARD CHARACTERISTICS PER LEG PEAK FORWARD SURGE CURRENT. (A) 10 9 Tj=125 C AVERAGE FORWARD CURRENT. (A) 8 7 6 5 4 3 2 1 0 80 1 0.1 0.01 85 90 95 100 105 110 115 O 120 125 130 0 0.1 0.2 0.3 0.4 0.5 0.6 CASE TEMPERATURE. ( C) INSTANTANEOUS FORWARD VOLTAGE. (V) 100 FIG.3- TYPICAL REVERSE CHARACTERISTICS PER LEG FIG.4- TYPICAL JUNCTION CAPACITANCE PER LEG INSTANTANEOUS REVERSE CURRENT. (mA) Tj=100 C 1000 CAPACITANCE. (pF) O Tj=25 C 10 1 0.1 Tj=25 C 0.01 100 O 0 5 10 15 20 25 30 35 0.1 1 PERCENT OF RATED PEAK REVERSE VOLTAGE. 5 10 REVERSE VOLTAGE. (V) 30 60 - 125 - |
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