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U3B Datasheet, PDF (2/4 Pages) Vishay Siliconix – Surface Mount Ultrafast Plastic Rectifier
U3B, U3C & U3D
Vishay General Semiconductor
New Product
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
SYMBOL
TYP.
Instantaneous forward voltage (1) IF = 3.0 A
TA = 25 °C
TA = 100 °C
VF
0.85
0.74
Reverse current (2)
rated VR
TA = 25 °C
TA = 100 °C
IR
-
250
IF = 0.5 A, IR = 1.0 A,
Irr = 0.25 A
TA = 25 °C
trr
-
Reverse recovery time
IF = 3.0 A, dI/dt = 50 A/µs,
VR = 30 V, Irr = 0.1 IRM
TA = 25 °C
TA = 100 °C
trr
25
35
Storage charge
IF = 3.0 A, dI/dt = 50 A/µs,
VR = 30 V, Irr = 0.1 IRM
TA = 25 °C
TA = 100 °C
Qrr
9
22
Typical junction capacitance
4.0 V, 1 MHz
CJ
25
Notes:
(1) Pulse test: 300 µs pulse width, 1 % duty cycle
(2) Pulse test: Pulse width ≤ 40 ms
MAX.
0.90
0.83
10
500
20
30
50
15
35
-
UNIT
V
µA
ns
ns
nC
pF
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
U3B
U3C
U3D
Typical thermal resistance (1)
RθJA
92
RθJM
10
Note:
(1) Free air, mounted on recommended copper pad area. Thermal resistance RθJA - junction to ambient, RθJM - junction to mount
UNIT
°C/W
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g) PREFERRED PACKAGE CODE
U3D-E3/57T
0.239
57T
U3D-E3/9AT
0.239
9AT
BASE QUANTITY
850
3500
DELIVERY MODE
7" diameter plastic tape and reel
13" diameter plastic tape and reel
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
3.0
2.0
1.0
0
80 90 100 110 120 130 140 150
TM - Mount Temperature (°C)
Figure 1. Maximum Forward Current Derating Curve
3.0
D = 0.5
D = 0.8
2.5
D = 0.3
D = 0.2
2.0
D = 0.1
D = 1.0
1.5
T
1.0
0.5
0
0
D = tp/T
tp
0.5 1.0 1.5 2.0 2.5 3.0 3.5
Average Forward Current (A)
Figure 2. Forward Power Loss Characteristics
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For technical questions within your region, please contact one of the following: Document Number: 89066
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
Revision: 30-May-08