Bulletin PD-20058 rev. B 01/02
88CNQ060A Series
SCHOTTKY RECTIFIER
New GenIII D-61 Package
Description/Features
The 88CNQ060A center tap Schottky rectifier module has
been optimized for very low forward voltage drop, with
moderate leakage. The proprietary barrier technology allows
for reliable operation up to 150°C junction temperature. Typical
applications are in switching power supplies, converters, free
wheeling diodes, and reverse battery protection.
150 °C T
J
operation
Center tap module
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
- 55 to 150
°C
Guard ring for enhanced ruggedness and long term
reliability
80 Amp
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
I
FSM
V
F
T
J
@ tp = 5 µs sine
@ 40 Apk, T
J
= 125 °C
(per leg)
range
88CNQ...A Units
80
60
5000
0.56
A
V
A
V
New fully transfer-mold low profile, small
footprint, high current package
Case Styles
88CNQ...A
88CNQ...ASM
88CNQ...ASL
D61-8
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D61-8-SM
D61-8-SL
1
88CNQ060A Series
Bulletin PD-20058 rev. B 01/02
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
88CNQ060A
60
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Av.Forward Current (Per Leg)
See Fig. 5
(Per Device )
I
FSM
E
AS
I
AR
Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) See Fig. 7
Non-Repetitive Avalanche Energy
(Per Leg)
Repetitive Avalanche Current
(Per Leg)
88CNQ Units
40
80
5000
600
75
1.0
A
Conditions
50% duty cycle @ T
C
= 120°C, rectangular wave form
(Rated V
R
)
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated Vr applied
T
J
= 25 °C, I
AS
= 1 Amps, L = 0.57 mH
Current decaying linearly to zero in 1 µsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
5µs Sine or 3µs Rect. pulse
A
mJ
A
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
(Per Leg)
(1)
88CNQ Units
0.58
0.77
0.56
0.67
0.64
240
5200
5.5
10000
V
V
V
V
mA
mA
pF
nH
V/ µs
@ 40A
@ 80A
@ 40A
@ 80A
Conditions
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
I
RM
C
T
L
S
Typical Reverse Leakage Current
(Per Leg)
See Fig. 2
(1)
(Per Leg)
Max. Junction Capacitance (Per Leg)
Typical Series Inductance
T
J
= 25 °C
T
J
= 125 °C
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25°C
Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change
(Rated V
R
)
(1) Pulse Width < 300µs, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max. Junction Temperature Range
Max. Storage Temperature Range
88CNQ Units
- 55 to 150
- 55 to 150
0.85
0.42
0.30
7.8 (0.28)
Min.
Max.
40 (35)
58 (50)
°C
°C
Conditions
R
thJC
Max. Thermal Resistance Junction
to Case (Per Leg)
R
thJC
Max. Thermal Resistance Junction
to Case (Per Package)
R
thCS
Typical Thermal Resistance, Case
to Heatsink
(D61-8 Only)
wt
T
Approximate Weight
MountingTorque
(D61-8 Only)
°C/W DCoperation
°C/W DCoperation
°C/W Mounting surface , smooth and greased
Device flatness < 5 mils
g (oz.)
Kg-cm
(Ibf-in)
2
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88CNQ060A Series
Bulletin PD-20058 rev. B 01/02
1000
1000
Tj = 150˚C
Reverse Current - I
R
(mA)
100
10
125˚C
100˚C
75˚C
1
0.1
0.01
0
10
20
50˚C
25˚C
(A)
Instantaneous Forward Current - I
F
100
30
40
50
60
Reverse Voltage - V
R
(V)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10000
10
Tj = 150˚C
Tj = 125˚C
Tj = 25˚C
Junction Capacitance - C
T
(p F)
Tj = 25˚C
1000
1
0
0.2
0.4
0.6
0.8
1
Forward Voltage Drop - V
FM
(V)
1.2
100
0
10
Reverse Voltage - V
R
(V)
20
30
40
50
60
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
P
DM
thJC
(°C/W)
0.1
Thermal Impedance Z
t1
0.01
Single Pulse
(Thermal Resistance)
t2
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC + Tc
0.001
0.00001
0.0001
0.001
0.01
0.1
1
10
t
1
, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
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3
88CNQ060A Series
Bulletin PD-20058 rev. B 01/02
160
Allowable Lead Temperature (°C)
Allowable Power Loss (Watts)
35
30
25
20
15
10
5
0
0
150
140
130
120
Square wave (D = 0.5)
110
80% rated Vr applied
DC
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS Limit
DC
100
see note (2)
90
0
10
20
30
40
50
60
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Maximum Average Forward Current
Vs. Allowable Lead Temperature
10
20
30
40
50
60
Average Forward Current - I
F(AV)
(A)
Fig. 6 - Maximum Average Forward Dissipation
Vs. Average Forward Current
10000
Non-Repetitive Surge Current - I
FSM
(A)
Tj = 25˚C
1000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Maximum Peak Surge Forward Current Vs. Pulse Duration
(2)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= 80% rated V
R
4
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88CNQ060A Series
Bulletin PD-20058 rev. B 01/02
Outline Table
Outline D61-8
Dimensions are in millimeters and (inches)
Outline D61-8-SM
Dimensions are in millimeters and (inches)
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