SBR2508A

SBR 25A/35A SERIES SILICON / GLASS PASSIVATED THREE PHASE BRIDGE RECTIFIERS CHENG- YI CHENGELECTRONIC REVERSE VOLTAGE -50 to 1600 Volts FORWARD CURRENT -25/35 Amperes FEATURES Diffused Junction Low Forward Voltage Drop High Current Capability High Reliability High Surge Current Capability Ideal for Printed Circuit Boards MECHANICAL DATA Cass: Epoxy Cass With Heat Sink Internally Mounted in Bridge Encapsulation Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: As Marked on Body Weight: 20 grams (approx.) Mounting Position: Bolt Down on Heatsink With Siloicone Thermal Compound Between Bridge and Mounting Surface for Maximum Heat Transfer Efficiency Mounting Torque: 20 in Ibs. Max. Marking: Type Number MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. VOLTAGE RATINGS Characteristics Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Peak Non-Repetitive Reverse Voltage RMS Reverse Voltage Symbol VRRM VRWM VR VRSM VR(RMS) Symbol -00 50 75 35 -01 100 150 70 -02 200 275 140 -04 400 500 280 -06 600 725 420 -08 800 900 560 -10 1000 1100 700 -12 1200 1300 840 -14 1400 1500 980 -16 1600 1700 1120 UNIT V V V FORWARD CONDUCTION Characteristics MT25 25 375 360 314 300 580 635 410 450 1.26 10 5.0 2500 -40 to +150 -40 to +150 1.42 0.2 MT35 35 500 475 420 400 1030 1130 730 800 UNIT A Maximum Average Forward Rectified Current @TC=100oC Non-Repetitive Peak Forward Surge Current (No Voltage Reapplied t = 8.3ms at 60Hz) (No Voltage Reapplied t = 10ms at 50Hz) (100% VRRM Reapplied t = 8.3ms at 60Hz) (100% VRRM Reapplied t = 10ms at 50Hz) I2 t Rating for Fusing (No Voltage Reapplied t = 8.3ms at 60Hz) (No Voltage Reapplied t = 10ms at 50Hz) (100% VRRM Reapplied t = 8.3ms at 60Hz) (100% VRRM Reapplied t = 10ms at 50Hz) Forward Voltage (per element) @TJ= 25oC, @IFM= 40APK Per single junction Peark Reverse Current (per leg) @TJ= 25oC At Rated DC Blocking Voltage @TJ= 125oC RMS Isolation Voltage from Case to Lead IO IFSM A It 2 A2S VF IR VISO TJ TSTG R R JC CS 1.19 V A mA V 0 0 THERMAL CHARACTERISTICS Operating Temperature Range Storage Temperature Range Temperature Resistance Junction to Case at DC Operation per Bridge Temperature Resistance Case to Heatsing Monting Surface, Smooth, Flat and Greased C C 1.16 K/W K/W SBR 25A/35A SERIES SILICON / GLASS PASSIVATED THREE PHASE BRIDGE RECTIFIERS RATING AND CHARACTERISTICS CURVES SBR 25A/35A SERIES FIG. 1- Current Rating Characteristics 150 1000 CHENG- YI ELECTRONIC FIG. 2- Forward Voltage Drop Characteristics Maximum Allowable Case Temperature ( C) o 130 Instantaneous Forward Current (A) 100 Per Junction TJ= 150o C 110 120oC (Rect) 90 10 70 - - + - ~ - TJ= 25 C o 50 0 5 10 15 20 25 30 1 0 0.5 1 1.5 2 2.5 3 3.5 4 Total Output Current (A) Instantaneous Forward Voltage (V) FIG. 3- Total Power Loss Characteristics 55 50 Rt 1 K/W TJ=150oC 2 K/W A hS Maximum Total Power Loss (W) = 45 40 35 30 25 20 / 7K 0. W at -D a 120 C (Rect) o 3 K/W 4 K/W 5 K/W 7 K/W R 15 10 5 0 0 5 10 15 20 10 K/W 25 25 50 75 100 125 150 Total Output Current (A) o Maximum Allowable Ambient Temperature, (C) FIG. 4- Maximum Non-Repetitive Surge Current 320 FIG. 5- Maximum Non-Repetitive Surge Current 400 Peak Half Sine-Wave Forward Current (A) 300 280 260 240 220 200 180 160 140 120 100 80 1 At Any Rated Load Condition And With Rated V RRV Applied Following Surge Initial TJ=150oC Peak Half Sine-Wave Forward Current (A) 360 320 280 240 200 160 Maximum Non Repetitive Surge Current Versus Pulse Train Duration Initial TJ=150o C @ 60 Hz 0.0083s No Voltage Reapplied @ 50 Hz 0.0100s Rated VRRM Reapplied 120 80 10 100 0.01 0.1 1 Number OF Equal Amplitude Half Cucle Current Puses (N) Pulse Train Duration (s)