S25VB20 NJSEMI | Alldatasheet
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CX (_/ 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960 S25VB20 ~ S25VB60 PRV : 200 - 600 Volts lo : 25 Amperes FEATURES: * High current capability * High surge current capability * High reliability * Low reverse current * Low forward voltage drop * Ideal for printed circuit board * Pb/RoHSFree MECHANICAL DATA : * Case : Molded plastic with heatsink integrally mounted in the bridge encapsulation * Epoxy : UL94V-O rate flame retardant * Terminals : plated .25" (6.35 mm). Faston * Polarity : Polarity symbols marked on case * Mounting position : Bolt down on heat-sink with silicone thermal compound between bridge and mounting surface for maximum heat transfer efficiency. * Weight: 17.1 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. SILICON BRIDGE RECTIFIERS 0.570(14.50) 0.530(13.40) 0.658(16.70 BR50 L0.728(18.50)j 10.688(17.40)" 0 D U i — . — _/> ) 1. ' .1 0.618(15.70) '" 0.032(0.81) JL J L 0.028(0.71) 0.310(7.87) f [ 0.280(7.1 !)_£_ L Dimensio t — Metal Heats us in inches an< \\ T 0.210(5.30) 0.200(5.10) 0.252(6.40) 0.248(6.30) ~f~ $0.100(2.50j ~p 0.090(2.30) 0.905(23.0) 0.826(21.0) ink J ( millimeters ) RATING Maximum Reverse Voltage Maximum Average Forward Current Tc = 85°C Maximum Peak Forward Surge Current Single half sine wave SYMBOL VRM |F(AV) S25VB20 200 S25VB60 600 UNIT V A Superimposed on rated load (JEDEC Method) Current Squared Time at 1ms < t < 10 ms. Maximum Forward Voltage per Diode at IF = 12.5 A Maximum DC Reverse Current at VR = VRRM (Pulse Measurement, Rating of per diode) Typical Thermal Resistance (Note 1) Operating Junction Temperature Range Storage Temperature Range IFSM I2t VF IR R6JC TJ TSTG 400 800 1.05 1.5 150 - 40 to + 1 50 A A2S V uA °C/W Note: Quality Semi-Conductors
RATING AND CHARACTERISTIC CURVES ( S25VB20 ~ S25VB60 ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 2 *> I— CO Z3 LU o a: Q^ 20 o: i o o ' o I I HEAT-SINK MOUN 5"xS"x4S'^ 8cm x 15.2cm x Al -Finned pi \\, Tc "HK He \\5 50 75 100 125 150 175 CASE TEMPERATURE, ( °C) HI or or zi o LU CD E CO Q I O s FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT co 40° LU HI S 200 100 \\ 50 h s \\ Sine \\ tVave, N on- repel X tive
1 Cycle Peak Value
0 ! I I ! ! I I I i I «s---- N i 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS PER DIODE FORWARD VOLTAGE, VOLTS FIG.4 - TYPICAL REVERSE CHARACTERISTICS PER DIODE 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%)