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SR508-G Dataheets PDF



Part Number SR508-G
Manufacturers Comchip Technology
Logo Comchip Technology
Description (SR502-G - SR508-G) Schottky Barrier Rectifier
Datasheet SR508-G DatasheetSR508-G Datasheet (PDF)

www.DataSheet4U.com Schottky Barrier Rectifier COMCHIP SMD Diodes Specialist SR502-G Thru. SR508-G Forward current: 5.0A Reverse voltage: 20 to 80V RoHS Device Features -Fast switching. -Low forward voltage, high current capability. -Low power loss, high efficiency. -High current surge capability. -High temperature soldering guaranteed: 250 OC/10 seconds, 0.375” (9.5mm) lead length at 5lbs (2.3kg) tension. 1.0(25.4) min. 0.052(1.30) 0.048(1.20) DO-27 0.375(9.50) 0.335(8.50) Mechanical Data.

  SR508-G   SR508-G


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www.DataSheet4U.com Schottky Barrier Rectifier COMCHIP SMD Diodes Specialist SR502-G Thru. SR508-G Forward current: 5.0A Reverse voltage: 20 to 80V RoHS Device Features -Fast switching. -Low forward voltage, high current capability. -Low power loss, high efficiency. -High current surge capability. -High temperature soldering guaranteed: 250 OC/10 seconds, 0.375” (9.5mm) lead length at 5lbs (2.3kg) tension. 1.0(25.4) min. 0.052(1.30) 0.048(1.20) DO-27 0.375(9.50) 0.335(8.50) Mechanical Data -Case: transfer molded plastic. -Epoxy: UL94V-0 rate flame retardant. 0.220(5.60) 0.197(5.00) 1.0(25.4) min. -Polarity: color band denoted cathode end. -Lead: plastic axial lead, solderable per MIL-STD202E, method 208C. -Mounting position: any. -Weight: 0.042 ounce, 1.19 gram. Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characteristics At Ta=25 C unless otherwise noted. Single phase, half wave, 60Hz, resistive or inductive loaded. For capacitive load, derate current by 20% . O Parameter Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward TL=60 OC (SR502-G ~ SR504-G) rectified current, 0.375” O TL=80 C (SR505-G ~ SR508-G) (9.5mm) lead length at Peak forward surge current, 8.3ms single half sinewave, superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at I F =5.0A Maximum DC reverse current at rated DC blocking voltage (Note 1) Typical junction capacitance (Note 2) Typical thermal resistance (Note 3) Operating junction temperature range Storage temperature range T A =25 OC T A =100 OC Symbol SR502 SR503 SR504 SR505 SR506 SR508 -G 20 14 20 -G -G 40 28 40 -G 50 35 50 -G 60 42 60 -G 80 57 80 Unit V V V V RRM V RMS V DC 30 21 30 I AV 5.0 A I FSM VF IR 0.57 150 A 0.70 0.80 V mA 5.0 50 550 25 -65 ~ +125 -65 ~ +150 -65 ~ +150 450 O CJ RθJA TJ T STG pF C/W O C C O Note: 1. Test pulse: 300μS pulse width, 1% duty cycle. 2. Measured at 1MHz and applied reverse voltage of 4.0V. 3. Thermal resistance from junction to ambient P.C.B. mounted with 0.375" (9.5mm) lead length with 2.5"×2.5"(63.5×63.5mm) copper pads. QW-BB017 REV:A Page 1 Schottky Barrier Rectifier RATING AND CHARACTERISTIC CURVES (SR502-G Thru. SR508-G) Fig.1 Typical Forward Current Derating Curve 6 COMCHIP SMD Diodes Specialist Fig.2 Maximum Non-Repetitive Peak Forward Surge Current I FSM , Peak Forward Surge Current (A) 8.3ms single half sine-wave (JEDEC method) I AV , Average Forward Current (A) 5 150 4 SR 50 2- SR 50 5G ~S 100 3 G ~S R5 04 R5 08 -G 2 -G 50 1 Single phase, half wave 60Hz Inductive or resistive load 0.375" (9.5mm) lead length 1 Cycle 0 0 25 50 75 100 125 150 175 0 1 10 100 T L , Lead Temperature ( OC) Number of Cycles at 60Hz I F , Instantaneous Forward Current (A) 100 SR502-G~SR504-G SR505-G~SR508-G I R , Instantaneous Reverse Voltage (mA) Fig.3 Typical Instantaneous Forward Characteristics Fig.4 Typical Reverse Characteristics SR502-G~SR504-G 1.0 SR505-G~SR508-G T J =125 O 10 0.1 T J =75 C O 1 0.01 0.1 T J =25 OC Pulse width=300μs 1% duty cycle T J =25 OC 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.001 0 20 40 60 80 100 120 140 V F , Instantaneous Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) Fig.5 Typical Junction Capacitance 10000 C J , Junction Capacitance (pF) T J =25 C f=1MHz V sig =50mV O SR502-G~SR504-G SR505-G~SR508-G 1000 100 0.1 1 10 100 V R , Reverse Voltage (V) REV:A QW-BB017 Page 2 .


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