U3B-M3 Datasheet, PDF (2/4 Pages) Vishay Siliconix – Surface Mount Ultrafast Plastic Rectifier

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U3B-M3, U3C-M3, U3D-M3
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (T_A = 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
SYMBOL
Instantaneous forward voltage
Reverse current
Reverse recovery time
Storage charge
Typical junction capacitance
I_F = 3.0 A
Rated V_R
I_F = 0.5 A, I_R = 1.0 A,
I_rr = 0.25 A
I_F = 3.0 A, dI/dt = 50 A/μs,
V_R = 30 V, I_rr = 0.1 I_RM
I_F = 3.0 A, dI/dt = 50 A/μs,
V_R = 30 V, I_rr = 0.1 I_RM
4.0 V, 1 MHz
T_A = 25 °C
T_A = 100 °C
T_A = 25 °C
T_A = 100 °C
T_A = 25 °C
T_A = 25 °C
T_A = 100 °C
T_A = 25 °C
T_A = 100 °C
V_F ⁽¹⁾
I_R ⁽²⁾
t_rr
Q_rr
C_J
Notes
(1) _{Pulse test: 300 µs pulse width, 1 % duty cycle}
(2) _{Pulse test: Pulse width  40 msï€} 
TYP.
0.85
0.74
-
250
-
25
35
9
22
25
MAX.
0.90
0.83
10
500
20
30
50
15
35
-
UNIT
V
μA
ns
nC
pF
THERMAL CHARACTERISTICS (T_A = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
U3B
U3C
U3D
Typical thermal resistance
R_JA ⁽¹⁾
92
R_JM ⁽¹⁾
10
Note
(1) _{Free air, mounted on recommended copper pad area. Thermal resistance RJA - junction to ambient, RJM - junction to mountï€} 
UNIT
°C/W
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g) PREFERRED PACKAGE CODE
U3D-M3/57T
0.239
57T
U3D-M3/9AT
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 (T_A = 25 °C unless otherwise noted)
3.0
3.0
D = 0.5 ^{D = 0.8}
2.5
D = 0.3
D = 0.2
D = 1.0
2.0
2.0
D = 0.1
1.5
T
1.0
1.0
0
80 90 100 110 120 130 140 150
T_M - Mount Temperature (°C)
0.5
0
0
D = t_p/T t_p
0.5 1.0 1.5 2.0 2.5 3.0 3.5
Average Forward Current (A)
Fig. 1 - Maximum Forward Current Derating Curve
Fig. 2 - Forward Power Loss Characteristics
Revision: 23-Oct-13
2
Document Number: 89928
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