PD-2.311 rev. A 12/97
50WQ05F
50WQ06F
SCHOTTKY RECTIFIER
5.5 Amp
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
I
FSM
@ tp = 5 µs sine
V
F
T
J
@ 5 Apk, T
J
= 25°C
50/60
360
0.70
- 40 to 125
V
A
V
°C
Description/Features
Units
A
The 50WQ..F surface mount Schottky rectifier has been de-
signed for applications requiring low forward drop and small foot
prints on PC board. Typical applications are in disk drives,
switching power supplies, converters, free-wheeling diodes,
battery charging, and reverse battery protection.
Popular D-PAK outline
Small foot print, surface moutable
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
50WQ..F
5.5
CASE STYLE AND DIMENSIONS
D - PAK Outline (Similar to TO-252AA)
Dimensions in millimeters and inches
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1
50WQ05F, 50WQ05F
PD-2.311 rev. A 12/97
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
50
60
V
RWM
Max. Working Peak Reverse Voltage (V)
50WQ05F
50WQ06F
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
* See Fig. 5
I
FSM
Max. Peak One Cycle Non-Repetitive
Surge Current * See Fig. 7
50WQ..F Units
5.5
360
42
A
A
Conditions
50% duty cycle @ T
C
= 89 °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
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
* See Fig. 1
(1)
50WQ..F Units
0.70
1.07
0.66
0.80
V
V
V
V
mA
mA
pF
nH
@ 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
* See Fig. 2
(1)
Typical Junction Capacitance
Typical Series Inductance
3
30
150
5.0
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25 °C
Measured lead to lead 5mm from package body
(1) Pulse Width < 300µs, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max. Junction Temperature Range
Max. Storage Temperature Range
50WQ..F Units
-40 to 125
-40 to 125
6.0
°C
°C
°C/W
DCoperation
Conditions
R
thJC
Max. Thermal Resistance Junction
to Case
wt
Approximate Weight
Case Style
* See Fig. 4
0.3 (0.01) g (oz.)
D - PAK
Similar to TO-252AA
2
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50WQ05F, 50WQ06F
PD-2.311 rev. A 12/97
10
0
1
0
T =1 5 C
2°
J
R v r eC rr n - I ( A
e es u e t
m)
R
1
1 0C
0°
.
1
7°
5C
5°
0C
.0
1
2°
5C
.0
01
0
I sa t n o sF r a dC rr n - I ( )
n t na e u o w r u e t
A
F
1
0
T =1 5 C
J 2°
T= 2°
5C
J
1
0
2
0
3
0
4
0
5
0
6
0
R v r eV lt g - V ( )
e es o a e R V
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
10
00
J n tio C p c n e- C (p )
u c n a a ita c
F
T
1
T =2 °
5C
J
10
0
.1
.2
.4
.
6
.8
1
1
.2
1
.4
1
.6
1
.8
1
0
0 5 1 1 2 2 3 54 5 5 5 6 5
0 5 0 5 03 04 0 5 06
R v r eV lta e- V (V
e es o g
R )
F r a V lta e Do - V M )
o w rd o g r p F (V
Fig. 1 - Maximum Forward Voltage Drop Characteristics
1
0
T e a Im e a c -Z
h rm l p d n e
(C )
° /W
tJ
hC
D=05
.0
D=03
.3
D=0 5
.2
1
D=0 7
.1
D=00
.8
P
M
D
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
t
1
t2
N te :
o s
1 D tyfa to D= t1/ t2
. u
c r
S g P ls
in le u e
( h r a R s ta c )
T e m l e is n e
2 P a T =P xZ
. ek
+T
J D
M tJ
hC C
.
1
1
1
0
10
0
.1
.0
1
. 00
001
.0 0
01
.0 1
0
.0
1
t , R c n u r P ls D ra n( e o d )
e ta g la u e u tio S c n s
1
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
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3
50WQ05F, 50WQ05F
PD-2.311 rev. A 12/97
10
3
A w b C s T m e a re- ( C
llo a le a e e p r tu
°)
Rth C(D ) =6 ° /W
C
.0 C
J
6
D=0 8
.0
D=0 7
.1
5
D=0 5
.2
D=0 3
.3
D=0 0
.5
4
3
2
1
0
0
D
C
10
2
10
1
A ea eP w r L ss- ( a s
vr g o e o
W tt )
R SL it
M im
10
0
D
C
9
0
8
0
0
2
4
6
8
2
4
6
8
A e a eF rw rdC rr n - IFA ) (A
vrg o a
uet
( V )
A e g F r a C rr n - I
v ra e o w rd u e t
( )
A
FA )
( V
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
1000
(A)
Non-Repetitive Surge Current - I
FSM
100
At Any Rated Load Condition
And With Rated V
Applied
RRM
Following Surge
10
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
4
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