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Bulletin PD-20800 rev. A 11/06
SCHOTTKY RECTIFIER
80CPQ020PbF
80 Amp
IF(AV) = 80Amp
VR = 20V
Major Ratings and Characteristics
Characteristics
Values Units
IF(AV) Rectangular
waveform
VRRM
IFSM @ tp = 5 μs sine
VF @40 Apk, TJ= 150°C
(per leg)
TJ range
80
20
2200
0.32
- 55 to 150
A
V
A
V
°C
Description/ Features
This center tap Schottky rectifier has been optimized for ultra
low forward voltage drop specifically for 3.3V output power
supplies. The proprietary barrier technology allows for reli-
able operation up to 150 °C junction temperature. Typical
applications are in parallel switching power supplies, convert-
ers, reverse battery protection, and redundant power sub-
systems.
150 °C
Center
tTaJpocpoenrfaigtiuornation
Optimized for 3.3V application
Ultra low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Lead-Free ("PbF" suffix)
Case Styles
Base
Common
Cathode
2
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TO-247AC
1
Anode
1
2
Common
Cathode
3
Anode
2
1

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80CPQ020PbF
Bulletin PD-20800 rev. A 11/06
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V)
80CPQ020PbF
20
Absolute Maximum Ratings
Parameters
Values Units
Conditions
IF(AV) Max. Average Forward (Per Leg)
Current
(Per Device)
IFSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg)
EAS Non-RepetitiveAvalancheEnergy
(Per Leg)
IAR RepetitiveAvalancheCurrent
(Per Leg)
40
80
2200
500
27
6
A 50% duty cycle @ TC = 138°C, rectangular wave form
5μs Sine or 3μs Rect. pulse Following any rated
A
10ms Sine or 6ms Rect. pulse
load condition and with
rated VRRM applied
mJ TJ = 25 °C, IAS = 6 Amps, L = 1.5 mH
A Current decaying linearly to zero in 1 μsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
Values Units
Conditions
VFM Max. Forward Voltage Drop
(Per Leg)
(1)
IRM Max. Reverse Leakage Current
(Per Leg)
(1)
VF(TO) Threshold Voltage
CT Max. Junction Capacitance (Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
0.46
0.55
0.36
0.46
0.32
0.43
5.5
1100
110
600
0.185
6500
7.5
10000
Thermal-Mechanical Specifications
V
V
V
V
V
V
mA
mA
mA
mA
V
pF
nH
V/ μs
@ 40A
@ 80A
TJ = 25 °C
@ 40A
@ 80A
TJ = 125 °C
@ 40A
@ 80A
TJ = 150 °C
TJ = 25 °C
TJ = 125 °C
VR = rated VR
TJ = 125 °C
VR = 5V
TJ = 150 °C
VR = 10V
TJ = TJ max.
VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
Measured lead to lead 5mm from package body
(Rated VR)
(1) Pulse Width < 300μs, Duty Cycle <2%
Parameters
Values Units
Conditions
TJ Max. Junction Temperature Range
Tstg 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 Approximate Weight
T MountingTorque
Min.
Max.
-55 to 150
-55 to 150
0.6
°C
°C
°C/W DC operation
0.3 °C/W DC operation
0.25 °C/W Mounting surface , smooth and greased
6 (0.21)
6 (5)
12 (10)
g (oz.)
Kg-cm
(Ibf-in)
Case Style
Marking Device
TO-247AC(TO-3P) JEDEC
80CPQ020
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1000
100
10
TJ = 150°C
TJ = 125°C
TJ = 25°C
80CPQ020PbF
Bulletin PD-20800 rev. A 11/06
10000
1000
100
10
1
0.1
TJ = 150°C
125°C
100°C
75°C
50°C
25°C
0.01
0 4 8 12 16 20
Reverse Voltage - VR (V)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10000
TJ = 25°C
1
0 0.2 0.4 0.6 0.8 1 1.2
Forward Voltage Drop - VFM (V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
1
1000
0
5 10 15 20 25
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.1
PDM
0.01
0.00001
Single Pulse
(Thermal Resistance)
Notes:
t1
t2
1. Duty factor D = t 1/ t 2
2. Peak TJ = PDM x ZthJC+ TC
0.0001
0.001
0.01
0.1
1
t 1 , Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
10
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80CPQ020PbF
Bulletin PD-20800 rev. A 11/06
150
145
DC
140
135
Square wave (D = 0.50)
130 10V applied
125
see note (2)
120
0
10 20 30 40 50 60
Average Forward Current - I F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
10000
25
D = 0.20
D = 0.25
20 D = 0.33
D = 0.50
D = 0.75
15
RMSLimit
10
DC
5
0
0 10 20 30 40 50 60
Average Forward Current - I F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
1000
DUT
CURRENT
MONITOR
At Any Rated Load Condition
And With Rated
Following Surge
VRRM
Ap p lied
100
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
IRFP460
Rg = 25 ohm
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
+ Vd = 25 Volt
Fig. 8 - Unclamped Inductive Test Circuit
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 10V
4
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Outline Table
80CPQ020PbF
Bulletin PD-20800 rev. A 11/06
Conform to JEDEC outline TO-247AC (TO-3P)
Dimensions in millimeters and (inches)
Marking Information
INTERNATIONAL
EXAMPLE: THIS IS A 80CPQ020
RECTIFIER
WITH ASSEMBLY
LOGO
LOT CODE 5657
ASSEMBLED ON WW 35, 2000
IN ASSEMBLY LINE "H"
ASSEMBLY
LOT CODE
80CPQ020
P035H
56 57
PART NUMBER
DATE CODE
P = LEAD-FREE
YEAR 0 = 2000
WEEK 35
LINE H
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5