31DQ03 - 31DQ04
PRV : 30 - 40 Volts
I
O
: 3.3 Amperes
FEATURES :
*
*
*
*
*
*
*
*
High current capability
High surge current capability
High reliability
High efficiency
Low power loss
Low forward voltage drop
Low cost
Pb / RoHS Free
SCHOTTKY BARRIER
RECTIFIER DIODES
DO-201AD
0.21 (5.33)
0.19 (4.82)
1.00 (25.4)
MIN.
0.375 (9.52)
0.285 (7.24)
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
MECHANICAL DATA :
* Case : DO-201AD Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 1.1 grams
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current
at Ambient Temperature , Tc = 48
°C
Maximum Non-repetitive Peak Forward Surge Current
( 50 Hz, Sine wave, 10ms )
Maximum Forward Voltage at I
F
= 3.0 A
Maximum Reverse Current at V
R
= V
RRM
, Tj = 25°C
Junction Temperature Range
Storage Temperature Range
SYMBOL
V
RRM
V
DC
I
F(AV
)
31DQ03
30
30
3.3
31DQ04
40
40
UNIT
V
V
A
I
FSM
V
F
I
R
T
J
T
STG
120
0.55
3.0
- 40 to + 150
- 40 to + 150
A
V
mA
°C
°C
Page 1 of 2
Rev. 02 : March 25, 2005
RATING AND CHARACTERISTIC CURVES ( 31DQ03- 31DQ04 )
FIG.1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,
AMPERES
5
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
120
4
PEAK FORWARD SURGE
CURRENT, AMPERES
0
25
50
75
100
125
150
175
80
3
60
2
40
1
20
0
0
1
2
4
6
10
20
40
60
100
CASE TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 50Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
REVERSE CURRENT, MILLIAMPERES
20
10
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
10
T
J
= 100
°C
FORWARD CURRENT, AMPERES
1.0
1.0
Tj = 25
°C
0.1
0.1
T
J
= 25
°C
0.01
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
0.001
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
FORWARD VOLTAGE, VOLTS
Page 2 of 2
Rev. 02 : March 25, 2005
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