43CTQ--LSeries Datasheet

5 to 100 Amp


Features, Applications

IF(AV) Rectangular waveform VRRM IFSM 5 �s sine @ 20 Apk, = 125�C (per leg) range A V

A This center tap Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation to 175�C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. C TJ operation Center tap configuration Low forward voltage drop High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance High frequency operation Guard ring for enhanced ruggedness and long term reliability

VR Max. DC Reverse Voltage (V) 80 100 VRWM Max. Working Peak Reverse Voltage (V)
IF(AV) Max. Average Forward Current IFSM EAS IAR * See Fig. 5 (Per Leg) (Per Device)

50% duty cycle = 135�C, rectangular wave form Following any rated 5�s Sine or 3�s Rect. pulse load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied = 25 �C, IAS = 0.50 Amps, 60 mH Current decaying linearly to zero in 1 �sec Frequency limited T J max. x VR typical

Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg)

VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1)
Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1)

VF(TO) Threshold Voltage CT LS Forward Slope Resistance Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg)

= 5VDC, (test signal range 1Mhz) 25�C Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change (Rated VR)
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range

RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque

�C/W DC operation �C/W DC operation �C/W Mounting surface , smooth and greased (only for TO-220) g (oz.) Kg-cm (Ibf-in)

Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg)
Fig. 1 - Max. Forward Voltage Drop Characteristics (PerLeg)
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg)
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)



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