31DQ03 - 31DQ04
SCHOTTKY BARRIER
RECTIFIER DIODES
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
* 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
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%.
SYMBOL 31DQ03 31DQ04 UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 30 40 V
Maximum DC Blocking Voltage VDC 30 40 V
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 IF = 3.0 A VF0.55 V
Maximum Reverse Current at VR = VRRM , Tj = 25°CIR3.0 mA
Junction Temperature Range TJ - 40 to + 150 °C
Storage Temperature Range TSTG - 40 to + 150 °C
Page 1 of 2 Rev. 02 : March 25, 2005
A
120
RATING
IFSM
IF(AV)3.3
A
DO-201AD
0.21 (5.33)
0.19 (4.82)
0.375 (9.52)
0.285 (7.24)
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
RATING AND CHARACTERISTIC CURVES ( 31DQ03- 31DQ04 )
FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4610 20 40 60 100
CASE TEMPERATURE, (°C) NUMBER OF CYCLES AT 50Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
Page 2 of 2 Rev. 02 : March 25, 2005
4
3
2
1
5
80
0
120
0
60
40
20
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD CURRENT,
AMPERES
10
1.0
80
0.01
0.1
100 140020 40 60 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
TJ= 100 °C
TJ = 25 °C
REVERSE CURRENT, MILLIAMPERES
0.1
0.001
10
FORWARD CURRENT, AMPERES
FORWARD VOLTAGE, VOLTS
20
Tj = 25 °C
1.0
0.01