转到网站首页
转为中文步骤：
1、请用电脑端360浏览器打开本页地址，如您电脑未安装360浏览器，请点这里下载;
2、点击360浏览器右上角的翻译插件，如右图红圈中所示:
3、点击所弹出窗口里的右下角的按钮 “翻译当前网页”;
4、弹窗提示翻译完毕后关闭弹窗即可；
Bulletin PD-20040 rev. A 09/01  
81CNQ...A SERIES  
SCHOTTKYRECTIFIER  
80 Amp  
New GenIII D-61 Package  
Major Ratings and Characteristics  
Description/Features  
The81CNQ...AcentertapSchottkyrectifiermoduleserieshas  
been optimized for low reverse leakage at high temperature.  
Theproprietarybarriertechnologyallowsforreliableoperation  
up to 175 °C junction temperature. Typical applications are in  
switching power supplies, converters, free-wheeling diodes,  
andreversebatteryprotection.  
Characteristics  
81CNQ...A Units  
I
Rectangular  
waveform  
80  
A
F(AV)  
V
I
range  
35 to 45  
4600  
V
A
V
175°CT operation  
RRM  
J
Centertapmodule  
@tp=5µssine  
FSM  
High purity, high temperature epoxy encapsulation for  
enhanced mechanical strength and moisture resistance  
V
@40Apk,T =125°C  
J
(perleg)  
0.54  
F
Lowforwardvoltagedrop  
Highfrequencyoperation  
Guardringforenhancedruggednessandlongterm  
T
range  
-55to175  
°C  
J
reliability  
New fully transfer-mold low profile, small  
footprint, high current package  
Case Styles  
81CNQ...A  
81CNQ...ASM  
81CNQ...ASL  
D61-8  
D61-8-SM  
D61-8-SL  
www.irf.com  
1
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
Voltage Ratings  
Partnumber  
81CNQ035A  
81CNQ040A  
81CNQ045A  
VR Max. DC Reverse Voltage (V)  
35  
40  
45  
VRWM Max. Working Peak Reverse Voltage (V)  
Absolute Maximum Ratings  
Parameters  
81CNQ Units  
Conditions  
IF(AV) Max.AverageForwardCurrent  
*SeeFig.5  
IFSM Max.PeakOneCycleNon-Repetitive  
SurgeCurrent (Per Leg) *SeeFig.7  
EAS Non-RepetitiveAvalancheEnergy  
(PerLeg)  
80  
A
50%dutycycle@TC=141°C,rectangularwaveform  
Followinganyrated  
load condition and with  
ratedVRRMapplied  
4600  
790  
54  
5µs Sineor3µsRect.pulse  
10msSineor6msRect.pulse  
A
mJ  
TJ = 25°C, IAS =8Amps,L=1.7mH  
IAR  
RepetitiveAvalancheCurrent  
(PerLeg)  
8
A
Currentdecayinglinearlytozeroin1µsec  
FrequencylimitedbyTJ max.VA =1.5xVR typical  
Electrical Specifications  
Parameters  
81CNQ Units  
Conditions  
VFM Max. ForwardVoltageDrop  
(Per Leg) * See Fig. 1  
0.60  
0.74  
0.54  
0.66  
5
V
V
V
@ 40A  
TJ = 25 °C  
(1)  
@ 80A  
@ 40A  
TJ = 125 °C  
@ 80A  
V
IRM  
Max.ReverseLeakageCurrent  
(Per Leg) * See Fig. 2 (1)  
mA TJ = 25 °C  
mA TJ = 125 °C  
VR = rated VR  
45  
CT  
LS  
Max. Junction Capacitance (PerLeg)  
TypicalSeriesInductance (PerLeg)  
2600  
5.5  
pF  
nH  
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C  
Measured lead to lead 5mm from package body  
dv/dt Max. Voltage Rate of Change  
(RatedVR)  
10000  
V/ µs  
(1) Pulse Width < 300µs, Duty Cycle <2%  
Thermal-Mechanical Specifications  
Parameters  
81CNQ Units  
Conditions  
TJ  
Max.JunctionTemperatureRange  
-55to175  
-55to175  
0.85  
°C  
°C  
Tstg Max.StorageTemperatureRange  
RthJC Max.ThermalResistanceJunction  
toCase (Per Leg)  
°C/W DCoperation  
*SeeFig.4  
RthJC Max.ThermalResistanceJunction  
toCase(PerPackage)  
0.42  
0.30  
°C/W DCoperation  
RthCS TypicalThermalResistance,Case  
°C/W Mountingsurface,smoothandgreased  
Deviceflatness<5mils  
toHeatsink (D61-8 Only)  
wt  
T
ApproximateWeight  
MountingTorque  
(D61-8 Only)  
7.8(0.28) g(oz.)  
Min.  
Max.  
40(35)  
58(50)  
Kg-cm  
(Ibf-in)  
2
www.irf.com  
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
1000  
100  
10  
1000  
100  
10  
Tj = 175˚C  
150˚C  
125˚C  
100˚C  
75˚C  
1
0.1  
50˚C  
25˚C  
0.01  
0.001  
0
5
10 15 20 25 30 35 40 45  
ReverseVoltage-VR(V)  
Fig.2-Typical Values Of Reverse Current  
Vs. Reverse Voltage (PerLeg)  
T
T
T
= 175˚C  
= 125˚C  
J
J
J
10000  
1000  
100  
=
25˚C  
T
= 25˚C  
J
1
0.1  
0
0.2  
0.4  
0.6  
0.8  
1
0
10  
20  
30  
40  
50  
ForwardVoltageDrop-VFM(V)  
ReverseVoltage-VR(V)  
Fig.1-Max. Forward Voltage Drop Characteristics  
Fig.3-Typical Junction Capacitance  
(PerLeg)  
Vs. Reverse Voltage (PerLeg)  
1
D = 0.50  
D = 0.33  
D = 0.25  
D = 0.17  
P
DM  
D = 0.08  
0.1  
t
1
t
2
Notes:  
Single Pulse  
1. Duty factor D = t1/ t2  
(Thermal Resistance)  
2. Peak Tj = Pdm x ZthJC + Tc  
0.01  
0.00001  
0.0001  
0.001  
0.01  
0.1  
1
10  
100  
t1,RectangularPulseDuration(Seconds)  
Fig.4-Max. Thermal Impedance ZthJC Characteristics (PerLeg)  
www.irf.com  
3
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
180  
32  
28  
24  
20  
16  
12  
8
D = 0.08  
D = 0.17  
D = 0.25  
D = 0.33  
D = 0.50  
RthJC (DC) = 0.85 ˚C/W  
170  
160  
150  
140  
DC  
RMS Limit  
DC  
4
0
0
10  
20  
30  
40  
50  
60  
0
10  
20  
30  
40  
50  
60  
AverageForwardCurrent-IF(AV)(A)  
AverageForwardCurrent-IF(AV)(A)  
Fig.5-Max. AllowableCaseTemperature  
Vs.AverageForwardCurrent(PerLeg)  
Fig.6-Forward Power Loss Characteristics  
(PerLeg)  
10000  
1000  
At Any Rated Load Condition  
And With Rated Vrrm Applied  
Following Surge  
100  
10  
100  
1000  
10000  
SquareWavePulseDuration-tp(microsec)  
Fig.7-Max. Non-RepetitiveSurgeCurrent(PerLeg)  
L
HIG H-SPEED  
SW ITCH  
IRFP460  
DUT  
FREE-W HEEL  
DIO DE  
Rg = 25 ohm  
Vd = 25 Volt  
+
C URRENT  
M ONITOR  
40HFL40S02  
Fig.8-Unclamped Inductive Test Circuit  
4
www.irf.com  
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
Outline Table  
Outline D61-8  
Dimensions are in millimeters and (inches)  
Outline D61-8-SM  
Dimensions are in millimeters and (inches)  
www.irf.com  
5
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
Outline Table  
Outline D61-8-SL  
Dimensions are in millimeters and (inches)  
6
www.irf.com  
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
Part Marking Information  
INTERNATIONAL  
RECTIFIER  
LOGO  
PART NUMBER  
THIS IS A 81CNQ045A WITH  
81CNQ045A  
89 09 045A  
LOT CODE 89 09  
ASSEMBLED ON WW 45, 2000  
IN THE ASSEMBLY LINE "A"  
DATE CODE  
ASSEMBLY  
LOT CODE  
YEAR 0 = 2000  
WEEK 45  
LINE A  
D61-8  
INTERNATIONAL  
RECTIFIER  
LOGO  
PART NUMBER  
THIS IS A 81CNQ045ASM WITH  
LOT CODE 89 09  
ASSEMBLED ON WW 45, 2000  
IN THE ASSEMBLY LINE "A"  
81CNQ045ASM  
89 09 045A  
DATE CODE  
YEAR 0 = 2000  
WEEK 45  
ASSEMBLY  
LOT CODE  
LINE A  
D61-8-SM  
INTERNATIONAL  
RECTIFIER  
LOGO  
PART NUMBER  
THIS IS A 81CNQ045ASL WITH  
LOT CODE 89 09  
81CNQ045ASL  
89 09 045A  
ASSEMBLED ON WW 45, 2000  
IN THE ASSEMBLY LINE "A"  
DATE CODE  
YEAR 0 = 2000  
WEEK 45  
ASSEMBLY  
LOT CODE  
LINE A  
D61-8-SL  
www.irf.com  
7
81CNQ...A Series  
Bulletin 20040 rev. A 09/01  
Data and specifications subject to change without notice.  
This product has been designed and qualified for Industrial Level.  
Qualification Standards can be found on IR's Web site.  
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105  
TAC Fax: (310) 252-7309  
Visit us at www.irf.com for sales contact information. 09/01  
8
www.irf.com