Bulletin PD-2.060 rev. G 06/05
50SQ... SERIES
SCHOTTKY RECTIFIER
5 Amp
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
range
I
FSM
@ tp = 5 µs sine
V
F
T
J
@ 5 Apk, T
J
= 125°C
range
Description/ Features
Units
A
V
A
V
°C
The 50SQ... axial leaded Schottky rectifier series has been
optimized for low reverse leakage at high temperature. The
proprietary barrier technology allows for reliable operation
up to 175°C junction temperature. Typical applications are
in switching power supplies, converters, free-wheeling di-
odes, and reverse battery protection.
175° C T
J
operation
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free
plating
50SQ...
5
60 / 100
1900
0.52
- 55 to 175
CASE STYLE AND DIMENSIONS
Conforms to JEDEC Outline DO - 204AR
Dimensions in millimeters and inches
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1
50SQ... Series
Bulletin PD-2.060 rev. G 06/05
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
50SQ060
60
50SQ080
80
50SQ100
100
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
* See Fig. 5
I
FSM
E
AS
I
AR
Max. Peak One Cycle Non-Repetitive
Surge Current * See Fig. 7
Non-Repetitive Avalanche Energy
Repetitive Avalanche Current
50SQ Units
5
1900
290
7.5
1.0
A
Conditions
50% duty cycle @ T
C
= 119° C, rectangular wave form
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and
with rated V
RRM
applied
A
mJ
A
T
J
= 25 °C, I
AS
= 1.0 Amps, L = 15 mH
Current decaying linearly to zero in 1 µsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
* See Fig. 1
(1)
50SQ
0.66
0.77
0.52
0.62
Units
V
V
V
V
mA
mA
pF
nH
V/ µs
@ 5A
@ 10A
@ 5A
@ 10A
T
J
= 25 °C
T
J
= 125 °C
Conditions
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
I
RM
C
T
L
S
Max. Reverse Leakage Current (1)
* See Fig. 2
Max. Junction Capacitance
Typical Series Inductance
0.55
7
500
10
10000
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25 °C
Measured lead to lead 5mm from 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
50SQ
-55 to 175
-55 to 175
8.0
44
Units
°C
°C
Conditions
R
thJL
Max. Thermal Resistance Junction
to Lead
R
thJA
Typical Thermal Resistance,
Junction to Air
wt
Approximate Weight
Case Style
°C/W DC operation * See Fig. 4
1/8 inch lead leangth
°C/W
1.4(0.049) g (oz.)
DO - 204AR
JEDEC
2
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50SQ... Series
Bulletin PD-2.060 rev. G 06/05
100
100
T
J
= 175°C
Revers Current - I
R
(mA)
e
10
1
0.1
0.01
0.001
T = 175°C
J
T = 125°C
J
T = 25°C
J
150°C
125°C
100°C
75°C
50°C
25°C
Ins
tantaneous Forward Current - I
F
(A)
10
0.0001
0
20
40
60
80
100
Reverse Voltage - V
R
(V)
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
1000
Junction Capacitance - C
T
(pF)
1
T
J
= 25°C
0.1
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
100
0
20
40
60
80
100
Forward Voltage Drop - V
FM
(V)
Revers Voltage - V
R
(V)
e
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10
T
hermal Impedance Z
thJL
(°C/ W)
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
= 1/8 inch
P
DM
1
t1
0.1
Notes:
S
ingle Pulse
(T
hermal Resistance)
0.01
0.00001
0.0001
0.001
0.01
0.1
1. Duty factor D = t 1/ t 2
2. Peak T = P
DM
x Z
thJL
+ T
C
J
1
10
100
t2
t 1 , Rectangular Pulse Duration (S
econds)
Fig. 4 - Maximum Thermal Impedance Z
thJL
Characteristics
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3
50SQ... Series
Bulletin PD-2.060 rev. G 06/05
175
Allowable Case T
emperature - (°C)
R
thJL
(DC) = 8.0°C/ W
Average Power Loss - (Watts)
3.5
3
2.5
2
1.5 RMS Limit
1
0.5
0
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
DC
170
165
160
DC
155
150
145
= 1/8 inch
0
2
4
6
8
0
1
2
3
4
5
6
7
8
Average Forward Current - I
F(AV)
(A)
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
10000
(A)
Fig. 6 - Forward Power Loss Characteristics
Non-Repetitive Surge Current - I
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following Surge
FSM
1000
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L
HIGH-S
PEED
S CH
WIT
FREE-WHEEL
DIODE
40HF
L40S
02
+
DUT
IR
FP460
R = 25 ohm
g
Vd = 25 Volt
CURR
ENT
MONIT
OR
Fig. 8 - Unclamped Inductive Test Circuit
4
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50SQ... Series
Bulletin PD-2.060 rev. G 06/05
Ordering Information Table
Device Code
50
1
S
2
Q
3
100
4
TR
5
1
2
3
4
5
-
-
-
-
-
50 = current x 10
S = DO-204AR
Q = Schottky Q Series
Voltage Rating
TR = Tape & Reel package (1500 pcs)
-
= Box package (200 pcs)
060 = 60V
080 = 80V
100 = 100V
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial Level and Lead-Free.
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. 06/05
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5
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