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80CNQ040-80CNQ045-80CNQ045SL
35V 80A Schottky Common Cathode Diode in a D61-8 package
International
IéaR Rectifier
PD-2.216 rev. C 01/99
BOCNQ... SERIES
SCHOTTKY RECTIFIER
Major Ratings and Characteristics
80 Amp
Description/Features
The BOCNQ center tap Schottky rectifier module series has
Characteristics 80CNt2... Units been optimized for very low forward voltage drop, with
moderate leakage. The proprietary barrier technology allows
I Rectangular 80 A forreliapleoperapion gptq150° Cjunctiontemperature. Typical
F(AV) applications are In switching powersupplies, converters, free-
wavefor m wheeling diodes, and reverse battery protection.
VRRM range 35to 45 V . 150° C TJ operation
. . Centertapmodule
|FSM @ tp= 5 ps sme 5800 A o Very Iowforward voltage drop
- o . High purity, high temperature epoxy encapsulation for
VF @40Apk,TJ =125 C 0.47 V enhanced mechanical strength and moisture resistance
(perleg) . Highfrequency operation
T range -55to150 ( . Guard ring for enhanced ruggedness and long term
J reliability
. Low profile, small footprint, high current package
Case Styles
8OCNQ 8OCNQ...SM 80CNQ...SL
DG1-8-SM D61-8-SL
80CNQ... Series
International
PD-2.216 rev. C 01199 IDR Iiuctifier
Voltage Ratings
Part number 8OCNQ035 80CNQO4O 80CNQO45
v,, Max. DC Reverse Voltage (V)
. 35 40 45
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters 80CNQ Units Conditions
IHAV) Max.AverageForward (PerLeg) 40 A 50%dutycycle@TC=114°C,rectangu|arwaveform
Current *See Fig.5 (PerDevice) 80
. - . . ' R . I Followin an rated
IFSM Max PeakOneCycleNon Repetitive 5800 A Sps Sineor3ps ect pu se Ioa d con itio¥1 and with
SurgeCurrent(PerLeg) *SeeFig.7 750 10msSineor6ms Rect.pulse ratedVRRMapplied
EAS Non-RepetitiveAvalanche Energy 54 md T, = 25 "C, las-- 8Amps, L= 1.7 mH
(PerLeg)
l, RepetitiveAvalancheCurrent 8 A Currentdecayinglinearlytozeroin1usec
(PerLeg) Frequencylimited byT, max.VA=1.5xVR typical
Electrical Specifications
Parameters 80CNQ Units Conditions
VFM Max.ForwardVoltage Drop 0.52 V @ 40A T = 25 ''C
(Per Leg) * See Fig. 1 (1) 0.66 V @ 80A J
0.47 V @ 40A T 12 o
0.61 v @ 80A J - 5 C
I Max. Reverse Leakage Current 5 mA T = 25 ''C
RM J V = rated V
(PerLeg) *See Fig.2 (1) 250 mA T,-- 125°C R R
VHTO) ThresholdVoltage 0.26 V T J = T J max.
l Forward Slope Resistance 3.93 m!)
c, Max. Junction Capacitance (PerLeg) 2600 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25''C
L Typical Series Inductance (PerLeg) 5.5 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10,000 V/ us
(RatedVR)
. . . 1 Pulse VNfkith < 300 s, Du C cle <2°/
Thermal-Mechanical Specifications ( ) p ty y o
Parameters 80CNQ Units Conditions
T J Max.JunctionTemperatureRange -5510150 r’C
Tstg Max.StorageTemperatureRange 6510150 (
ch Max.ThermalResistanceJunction 0.85 °C/W DCoperation "See Fig.4
toCase (Per Leg)
RthJC Max.ThermaIResistanceJunction 0.42 ''CIW DCoperation
toCase(Per Package)
Rmcs TypicalThermalResistance,Case 0.30 "CAN Mountingsurface,smoothandgreased
toHeatsink (D61-8 Only)
wt ApproximateWeight 7.8(0.28) g(oz.)
T MountingTorque Min. 40(35) Kg-cm
(D61-8 Only) Max. 58(50) (Ibf-in)
