HER254G

HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER HER251G THRU HER258G FEATURES • • • • • • VOLTAGE RANGE CURRENT 50 to 1000 Volts 2.5 Ampere R-3 Glass passivated chip junction Low power loss, high efficiency Low leakage High speed switching High surge capacity High temperature soldering guaranteed 260℃/10 seconds,0.375″(9.5mm) lead length MECHANICAL DATA • • • • • • Case: Transfer molded plastic Epoxy: UL94V-0 rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.020ounce, 0.56 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% HER HER SYMBOLS 251G 252G Maximum Repetitive Peak Reverse Voltage VRRM 50 100 Maximum RMS Voltage VRMS 35 70 Maximum DC Blocking Voltage VDC 50 100 • • • Maximum Average Forward Rectified Current at TA =50℃ Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 2.5A Maximum DC Reverse Current at rated TA = 25℃ DC Blocking Voltage at TA = 125℃ Maximum Full Load Reverse Current, full cycle average 0.375″(9.5mm) lead length at TL =55℃ Maximum Reverse Recovery Time Test conditions IF =0.5A, IR =1.0A, IRR =0.25A, Typical Junction Capacitance (NOTE 2) Typical Thermal Resistance (NOTE 1) Operating Junction Temperature Range Storage Temperature Range HER 253G 200 140 200 HER 254G 300 210 300 HER 255G 400 280 400 HER 256G 600 420 600 HER 257G 800 560 800 HER 258G 1000 700 1000 UNIT Volts Volts Volts Amps Amps I(AV) IFSM VF IR IR(AV) trr CJ RθJA TJ TSTG 50 30 1.0 2.5 100 1.3 5.0 250 100 75 35 35 (-55 to +150) (-55 to +150) 1.5 1.7 Volts µA µA nS pF ℃/W ℃ ℃ Notes: 1. Thermal Resistance from Junction to ambient with 0.375″(9.5mm) lead length, PCB mounted. 2. Measured at 1.0MHz and applied reverse voltage of 4.0V E-mail: sales@cnmic.com Web Site: www.cnmic.com HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER HER251G THRU HER258G VOLTAGE RANGE CURRENT 50 to 1000 Volts 2.5 Ampere RATING AND CHRACTERISTIC CURVES HER251G THRU HER258G FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, 3.0 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE 150 CURRENT, (A) 8.3ms Single Half Sine-Wave (JEDEC Method) T= T jmax 100 2.0 (A) 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375″(9.5mm) Lead Length 50 1 Cycle 0 0 25 50 75 100 125 150 175 0 1 2 4 6 8 10 20 40 60 100 AMBIENT TEMPERATURE, (° C) FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 NUMBER OF CYCLES AT 60 Hz FIG.4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, 100 INSTANTANEOUS FORWARD CURRENT, /20 1.0 0V 0V 0/4 0 60 80 0V -1 00 0V 100 5 0/ 30 0V (A) 10 (μA) 0.1 TJ =125 ° C 0.01 1.0 TJ=25 ° C TJ =25° C Pulse Width=300us 1% Duty Cycle 0.001 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.1 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD VOLTAGE,(V) PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.5-TYPICAL JUNCTION CAPACITANCE 100 JUNCTION CAPACITANCE,(pF) HE R2 51 G- HE F1G.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC R2 5 5G Trr HE R2 56 G- 50Ω 10Ω NONINDUCTIVE NONINDUCTIVE (-) (+) 25 Vdc (approx.) (-) D.U.T. PULSE GENERATIOR (NOTE 2) (+) OSCILLOSCOPE (NOTE 1) +0.5A HE R2 58G 10 0 -0.25A T J =25° C f=1MHz Vsig=50mVp-p 1Ω NON INDUCTIVE -1.0A 1cm 1 0.1 1.0 10 100 REVERSE VOLTAGE,(V) NOTES : 1.Rise Time=7ns mas. Input Impedance= 1 magohm. 22pF 2.Rise time=10ns max. Source Impedance= 50 ohms SET TIME BASE FOR 50/100ns/cm E-mail: sales@cnmic.com Web Site: www.cnmic.com