New Product
U2B, U2C, U2D
Vishay General Semiconductor
Surface Mount Ultrafast Plastic Rectifier
FEATURES
• Oxide planar chip junction
• Ultrafast recovery time
• Low forward voltage, low power losses
• High forward surge capability
• Meets MSL level 1, per J-STD-020, LF maximum
peak of 260 °C
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
DO-214AA (SMB)
TYPICAL APPLICATIONS
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
t
rr
V
F
at I
F
= 2.0 A
T
J
max.
2.0 A
100 V, 150 V, 200 V
50 A
20 ns
0.76 V
150 °C
For use in low voltage, high frequency rectifier of switching
power supplies, freewheeling diodes, dc-to-dc converters
or polarity protection application.
MECHANICAL DATA
Case:
DO-214AA (SMB)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS compliant, commercial grade
Terminals:
Matte tin plated leads, solderable
J-STD-002 and JESD 22-B102
E3 suffix meets JESD 201 class 1A whisker test
Polarity:
Color band denotes cathode end
per
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Device marking code
Maximum repetitive peak reverse voltage
Maximum average forward rectified current (fig. 1)
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load
Operating junction and storage temperature range
V
RRM
I
F(AV)
I
FSM
T
J
, T
STG
SYMBOL
U2B
U2B
100
U2C
U2C
150
2.0
50
- 55 to + 150
U2D
U2D
200
V
A
A
°C
UNIT
Document Number: 89096
Revision: 13-Oct-09
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
1
New Product
U2B, U2C, U2D
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Instantaneous forward voltage
I
F
= 2 A
TEST CONDITIONS
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
Q
rr
C
J
t
rr
SYMBOL
V
F (1)
I
R (2)
TYP.
0.86
0.76
-
180
-
27
35
9
19
16
MAX.
0.90
0.83
10
350
20
-
-
-
-
-
nC
pF
ns
UNIT
V
Reverse current
Rated V
R
I
F
= 0.5 A, I
R
= 1.0 A,
l
rr
= 0.25 A
μA
Reverse recovery time
I
F
= 2.0 A, dI/dt = 50 A/μs,
V
R
= 30 V, l
rr
= 0.1 I
RM
I
F
= 2.0 A, dI/dt = 50 A/μs,
V
R
= 30 V, l
rr
= 0.1 I
RM
4.0 V, 1 MHz
Storage charge
Typical junction capacitance
Notes
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
(2)
Pulse test: Pulse width
≤
40 ms
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance
SYMBOL
R
θJA
(1)
R
θJM
(1)
U2B
U2C
105
18
U2D
UNIT
°C/W
(1)
Note
Free air, mounted on recommended copper pad area. Thermal resistance R
θJA
- junction to ambient, R
θJM
- junction to mount
ORDERING INFORMATION
(Example)
PREFERRED P/N
U2D-E3/52T
U2D-E3/5BT
UNIT WEIGHT (g)
0.099
0.099
PREFERRED PACKAGE CODE
52T
5BT
BASE QUANTITY
750
3200
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
2.0
Resistive or Inductive Load
D = 0.8
D = 0.3 D = 0.5
Average Forward Rectified Current (A)
Average Power Loss (W)
1.6
D = 0.2
D = 0.1
1.2
D = 1.0
2.0
0.8
T
0.4
D = t
p
/T
t
p
2.0
2.4
1.0
0
80
90
100
110
120
130
140
150
0
0
0.4
0.8
1.2
1.6
T
M
- Mount Temperature (°C)
Average Forward Current (A)
Fig. 1 - Maximum Forward Current Derating Curve
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2
Fig. 2 - Forward Power Loss Characteristics
Document Number: 89096
Revision: 13-Oct-09
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
New Product
U2B, U2C, U2D
Vishay General Semiconductor
100
100
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mV
p-p
Instantaneous Forward Current (A)
10
T
A
= 150 °C
1
T
A
= 125 °C
0.1
T
A
= 25 °C
T
A
= 100 °C
Junction Capacitance (pF)
1.3
10
0.01
0.1
0.3
0.5
0.7
0.9
1.1
1
0.1
1
10
100
Instantaneous Forward Voltage (V)
Reverse Voltage (V)
Fig. 3 - Typical Instantaneous Forward Characteristics
Fig. 5 - Typical Junction Capacitance
10 000
1000
Transient Thermal Impedance (°C/W)
Instantaneous Reverse Current (μA)
T
A
= 150 °C
1000
T
A
= 125 °C
T
A
= 100 °C
100
Junction to Ambient
100
10
T
A
= 25 °C
1
10
0.1
10
20
30
40
50
60
70
80
90
100
1
0.01
0.1
1
10
100
Percent of Rated Peak Reverse Voltage (%)
t - Pulse Duration (s)
Fig. 4 - Typical Reverse Characteristics
Fig. 6 - Typical Transient Thermal Impedance
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
DO-214AA (SMB)
Cathode Band
Mounting Pad Layout
0.085 (2.159) MAX.
0.086 (2.20)
0.077 (1.95)
0.155 (3.94)
0.130 (3.30)
0.086 (2.18) MIN.
0.180 (4.57)
0.160 (4.06)
0.012 (0.305)
0.006 (0.152)
0.096 (2.44)
0.084 (2.13)
0.060 (1.52)
0.030 (0.76)
0.008 (0.2)
0 (0)
0.220 (5.59)
0.205 (5.21)
0.060 (1.52) MIN.
0.220 (5.59) REF.
Document Number: 89096
Revision: 13-Oct-09
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
3
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
1
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