Bulletin PD-20714 rev. C 03/03
21DQ06
SCHOTTKY RECTIFIER
2 Amp
DO-41
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
V
F
T
J
@ 2 Apk, T
J
= 125°C
range
Description/Features
Units
A
V
V
°C
The 21DQ06 axial leaded Schottky rectifier has been opti-
mized for very low forward voltage drop, with moderate
leakage. Typical applications are in switching power sup-
plies, converters, 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
21DQ06
2
60
0.55
- 40 to 150
CASE STYLE AND DIMENSIONS
Conform to JEDEC Outline DO-204AL (DO-41)
Dimensions in millimeters and inches
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1
21DQ06
Bulletin PD-20714 rev. C 03/03
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
21DQ06
60
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
* See Fig. 4
I
FSM
E
AS
I
AR
Max. Peak One Cycle Non-Repetitive
Surge Current * See Fig. 6
Non-Repetitive Avalanche Energy
Repetitive Avalanche Current
340
60
4.0
0.5
A
mJ
A
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and with
rated V
RRM
applied
21DQ06
2
Units
A
Conditions
50% duty cycle @ T
C
= 106°C, rectangular wave form
T
J
= 25 °C, I
AS
= 1 Amps, L = 8 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
(1)
21DQ06
Typ.
0.53
0.67
0.49
0.61
0.02
7.0
120
8.0
Max.
0.60
0.75
0.55
0.67
0.50
10
Units
V
V
V
V
mA
mA
pF
nH
@ 2A
@ 4A
@ 2A
@ 4A
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)
Typical Junction Capacitance
Typical Series Inductance
T
J
= 25 °C
T
J
= 125 °C
V
R
= 5V
DC
(test signal range100Khz 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
21DQ06 Units Conditions
-40 to 150
-40 to 150
100
25
°C
°C
°C/W DC operation
Without cooling fin
°C/W DC operation (See Fig. 4)
R
thJA
Max. Thermal Resistance Junction
to Ambient
R
thJL
Typical Thermal Resistance Junction
to Lead
wt
Approximate Weight
Case Style
(*) dPtot
dTj
<
1
Rth( j-a)
0.33(0.012) g (oz.)
DO-204AL(DO-41)
thermal runaway condition for a diode on its own heatsink
2
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21DQ06
Bulletin PD-20714 rev. C 03/03
1 00
10
1
0 .1
0.01
25°C
0 .001
Instantan eous Forw ard C urrent - I
F
(A)
T
J
= 150°C
125°C
100°C
75°C
50°C
Reverse C urrent - I
R
(m A)
10
0 .000 1
0
T = 150°C
J
J
20
40
60
Reverse V oltag e - V
R
(V )
T = 125°C
1
T
J
= 25°C
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
100 0
(pF)
Jun ction C apacitan ce - C
T
10 0
T
J
= 25°C
0.1
0
0.3
0.6
0.9
1 .2
Forward V olta ge D rop - V
FM
(V)
10
0
20
40
60
Reverse V olta ge - V
R
(V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
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21DQ06
Bulletin PD-20714 rev. C 03/03
1 50
Allowa ble Lead Te m pe ratu re - (° C )
2
Average Power Loss - (W atts)
DC
1 20
1.6
90
Square w ave (D = 0.50)
80% Rated V
R
applied
1.2
D
D
D
D
D
=
=
=
=
=
0.20
0.25
0.33
0.50
0.75
DC
60
0.8
RM S Lim it
30
= 1/8 inch
see note (2)
0.4
0
0
1
2
3
Average Forw ard C urren t - I
F(AV )
(A)
0
0
1
2
3
Average Forw ard C urren t - I
F(AV)
(A)
Fig. 4 - Maximum Allowable Lead Temperature
Vs. Average Forward Current
Fig. 5 - Forward Power Loss Characteristics
1000
Non-Repe titive Surge C urren t - I
FSM
(A)
100
At Any Rated Load C ondition
And W ith Rated V
RRM
Applied
Follow ing Surge
10
10
100
1000
10000
Square W ave Pulse D uration - t p (m icrosec)
Fig. 6 - Maximum Non-Repetitive Surge Current
(2)
Formula used: T
L
= T
J
- (Pd + Pd
REV
) x R
thJL
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 5);
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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21DQ06
Bulletin PD-20714 rev. C 03/03
Ordering Information Table
Device Code
21
1
1
2
3
4
5
-
-
-
-
-
D
2
Q
3
06
4
TR
5
21 = 2.1A (Axial and small packages - Current is x10)
D = DO-41 package
Q = Schottky Q.. Series
06 = Voltage Rating : 60V
TR = Tape & Reel package ( 5000 pcs)
TB = Tape & Box package (Ammunition -3000 pcs)
-
= Box package (1000 pcs)
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.
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
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