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Dimensions in millimeters and inches
Conform to JEDEC Outline DO-204AL (DO-41)
CASE STYLE AND DIMENSIONS
Major Ratings and Characteristics
I
F(AV)
Rectangular
1.1
A
waveform
V
RRM
30/40
V
I
FSM
@ tp = 5 s sine
225
A
V
F
@
1 Apk, T
J
= 25C
0.55
V
T
J
range
- 40 to 150
C
Characteristics
11DQ..
Units
The 11DQ.. axial leaded Schottky rectifier has been optimized
for very low forward voltage drop, with moderate leakage.
Typical applications are in switching power supplies, convert-
ers, free-wheeling diodes, and reverse battery protection.
Low profile, axial leaded outline
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Very low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Description/ Features
SCHOTTKY RECTIFIER
1.1 Amp
11DQ03
11DQ04
Bulletin PD-2.287 rev. E 03/03
1
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11DQ03, 11DQ04
Bulletin PD-2.287 rev. E 03/03
2
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T
J
Max. Junction Temperature Range (*) -40 to 150
C
T
stg
Max. Storage Temperature Range
-40 to 150
C
R
thJA
Max. Thermal Resistance Junction
100
C/W DC operation
to Ambient
Without cooling fin
R
thJL
Typical Thermal Resistance Junction
81
C/W DC Operation (* See Fig. 4)
to Lead
wt
Approximate Weight
0.33(0.012) g (oz.)
Case Style
DO-204AL(DO-41)
Part number
11DQ03
11DQ04
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
Voltage Ratings
30
40
V
FM
Max. Forward Voltage Drop
0.55
V
@ 1A
* See Fig. 1
(1)
0.71
V
@ 2A
0.50
V
@ 1A
0.61
V
@ 2A
I
RM
Max. Reverse Leakage Current
1.0
mA
T
J
= 25 C
* See Fig. 2
(1)
6.0
mA
T
J
= 125 C
C
T
Typical Junction Capacitance
60
pF
V
R
= 5V
DC
(test signal range 100Khz to 1Mhz) 25C
L
S
Typical Series Inductance
8.0
nH
Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change
10000
V/s (Rated V
R
)
T
J
= 25 C
T
J
= 125 C
V
R
= rated V
R
Parameters
11DQ.. Units
Conditions
Electrical Specifications
(1) Pulse Width < 300s, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters
11DQ.. Units
Conditions
I
F(AV)
Max. Average Forward Current
1.1
A
50% duty cycle @ T
C
= 75C, rectangular wave form
* See Fig. 4
I
FSM
Max. Peak One Cycle Non-Repetitive
225
5s Sine or 3s Rect. pulse
Surge Current * See Fig. 6
35
10ms Sine or 6ms Rect. pulse
E
AS
Non-Repetitive Avalanche Energy
3.0
mJ
T
J
= 25 C, I
AS
= 1.0 Amps, L = 6 mH
I
AR
Repetitive Avalanche Current
1.0
A
Current decaying linearly to zero in 1 sec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Absolute Maximum Ratings
Following any rated
load condition and with
rated V
RRM
applied
A
Parameters
11DQ..
Units
Conditions
<
thermal runaway condition for a diode on its own heatsink
(*) dPtot
1
dTj
Rth( j-a)
11DQ03, 11DQ04
Bulletin PD-2.287 rev. E 03/03
3
www.irf.com
0.1
1
10
0
0.3
0.6
0.9
1.2
1.5
T = 150C
T = 125C
T = 25C
J
J
J
0.0001
0.001
0.01
0.1
1
10
100
0
10
20
30
40
125C
25C
T = 150C
J
10
100
0
10
20
30
40
50
T = 25C
J
Fig. 1 - Max. Forward Voltage Drop Characteristics
Forward Voltage Drop - V
FM
(V)
Instantaneous Forward Current - I
F
(A)
Reverse Voltage - V
R
(V)
Reverse Voltage - V
R
(V)
Junction Capacitance - C
T
(pF)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
Reverse Current - I
R
(mA)
11DQ03, 11DQ04
Bulletin PD-2.287 rev. E 03/03
4
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10
100
1000
10
100
1000
10000
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
0
0.2
0.4
0.6
0.8
0
0.3
0.6
0.9
1.2
1.5
DC
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
0
30
60
90
120
150
0
0.3
0.6
0.9
1.2
1.5
DC
see note (2)
Square wave (D = 0.50)
80% Rated V applied
R
Average Forward Current - I
F
(AV)
(A)
Square Wave Pulse Duration - t
p
(microsec)
Fig. 6 - Max. Non-Repetitive Surge Current
Allowable Case Temperature - (C)
Non-Repetitive Surge Current - I
FSM
(A)
Fig. 5- Forward Power Loss
Characteristics
Average Forward Current - I
F
(AV)
(A)
Average Power Loss - (Watts)
(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
Fig. 4 - Max. Allowable Case Temperature
Vs. Average Forward Current
11DQ03, 11DQ04
Bulletin PD-2.287 rev. E 03/03
5
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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. 03/03
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.
Ordering Information Table
Device Code
1
5
2
4
3
1
-
11 = 1.1A (Axial and small packages - Current is x10)
2
-
D = DO-41 package
3
-
Q = Schottky Q.. Series
4
-
04 = Voltage Ratings
5
-
TR = Tape & Reel package ( 5000 pcs)
-
= Box package (1000 pcs)
11
D
Q
04
TR
04 = 40V
03 = 30V