TAYCHIPST 21DQ04

21DQ04
40V
SCHOTTKY RECTIFIER
2.0A
FEATURES
• Low profile, axial leaded outline
• High frequency operation
• Very low forward voltage drop
• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
• Guard ring for enhanced ruggedness and long term
reliability
• Lead (Pb)-free plating
• Designed and qualified for industrial level
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum average forward current
See fig. 4
IF(AV)
Maximum peak one cycle
non-repetitive surge current
See fig. 6
IFSM
Non-repetitive avalanche energy
EAS
TJ = 25 °C, IAS = 1.0 A, L = 10 mH
5.0
mJ
IAR
Current decaying linearly to zero in 1 µs
Frequency limited by TJ maximum VA = 1.5 x VR typical
1.0
A
50 % duty cycle at TC = 112 °C, rectangular waveform
5 µs sine or 3 µs rect. pulse
10 ms sine or 6 ms rect. pulse
Repetitive avalanche current
2
Following any rated load
condition and with rated
VRRM applied
A
420
70
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
2A
Maximum forward voltage drop
VFM (1)
TJ = 25 °C
4A
2A
TJ = 125 °C
4A
Maximum reverse leakage current
IRM
(1)
VALUES
TEST CONDITIONS
TJ = 25 °C
VR = Rated VR
TJ = 125 °C
TYP.
MAX.
0.49
0.55
0.60
0.65
0.42
0.5
0.56
0.62
0.01
0.50
5.2
10
UNITS
V
mA
Typical junction capacitance
CT
VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C
130
pF
Typical series inductance
LS
Measured lead to lead 5 mm from package body
8.0
nH
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum junction and storage
temperature range
TJ
(1),
TEST CONDITIONS
TStg
Maximum thermal resistance,
junction to ambient
RthJA
DC operation
Without cooling fin
Typical thermal resistance,
junction to lead
RthJL
DC operation
See fig. 4
Approximate weight
Marking device
Case style DO-204AL (D-41)
VALUES
UNITS
- 40 to 150
°C
100
°C/W
25
0.33
g
0.012
oz.
21DQ04
Note
(1)
dP tot
1
------------- < -------------dT J
R thJA
thermal runaway condition for a diode on its own heatsink
E-mail: [email protected]
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Web Site: www.taychipst.com
21DQ04
40V
SCHOTTKY RECTIFIER
RATINGS AND CHARACTERISTIC CURVES
2.0A
21DQ04
1000
T
= 150°C
T
= 125°C
J
J
1
TJ =
Junction Capacitance - C T (pF)
Instantaneous Forward Current - IF (A)
10
25°C
TJ = 25°C
100
10
0
10
20
30
40
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
0
0.3
0.6
0.9
1.2
Forwa rd Volta g e Drop - V FM (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
100
TJ = 150°C
Reverse Current - IR (mA)
10
125°C
1
100°C
75°C
0.1
Allowa ble Lead Temperature - (°C)
150
0.1
DC
120
90
Square wave (D = 0.50)
80% Rated V R applied
60
30
= 1/8 inch
see note (1)
0
50°C
0
0.01
1
2
3
Average Forward Current - I F(AV) (A)
25°C
Fig. 4 - Maximum Allowable Lead Temperature vs.
Average Forward Current
0.001
0.0001
0
10
20
30
40
2
Average Power Loss - (Watts)
Reverse Voltage - VR (V)
Non-Rep etitive Surge Current - I FSM (A)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
1000
100
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1.6
1.2
DC
RMSLimit
0.8
0.4
0
0
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
10
10
100
1000
1
2
3
Average Forward Current - I F(AV) (A)
Fig. 5 - Forward Power Loss Characteristics
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 6 - Maximum Non-Repetitive Surge Current
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Web Site: www.taychipst.com