UH1B, UH1C
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Vishay General Semiconductor
Surface-Mount Ultrafast Rectifier
FEATURES
• Low profile package
• Ideal for automated placement
• Oxide planar chip junction
• Ultrafast recovery times for high frequency
• Meets MSL level 1, per J-STD-020,
LF maximum peak of 260 °C
• AEC-Q101 qualified available
- Automotive ordering code: base P/NHE3
SMA (DO-214AC)
Cathode
Anode
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
LINKS TO ADDITIONAL RESOURCES
3D 3D
TYPICAL APPLICATIONS
For use in secondary rectification and freewheeling for
ultrafast switching speeds AC/AC and DC/DC converters in
high temperature conditions for both consumer and
automotive applications.
3D Models
PRIMARY CHARACTERISTICS
IF(AV)
1.0 A
VRRM
100 V, 150 V
IFSM
30 A
trr
25 ns
VF at IF = 1.0 A
0.76 V
TJ max.
175 °C
Package
SMA (DO-214AC)
Circuit configurations
Single
MECHANICAL DATA
Case: SMA (DO-214AC)
Molding compound meets UL 94 V-0 flammability rating
Base P/NHE3_X - RoHS-compliant and AEC-Q101 qualified
(“_X” denotes revision code e.g. A, B, .....)
Terminals: matte tin plated leads, solderable
J-STD-002 and JESD 22-B102
HE3 suffix meets JESD 201 class 2 whisker test
per
Polarity: color band denotes cathode end
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
Device marking code
UH1B
UH1C
HB
HC
UNIT
Maximum repetitive peak reverse voltage
VRRM
Maximum average forward rectified current (fig. 1)
IF(AV)
1.0
A
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load
IFSM
30
A
TJ, TSTG
-55 to +175
°C
Operating junction and storage temperature range
100
150
V
Revision: 13-May-2020
Document Number: 89111
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
UH1B, UH1C
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
TEST CONDITIONS
PARAMETER
IF = 0.6 A
TA = 25 °C
IF = 1.0 A
Instantaneous forward voltage
VF (1)
IF = 0.6 A
TA = 125 °C
IF = 1.0 A
TA = 25 °C
Reverse current
Rated VR
Maximum reverse recovery time
IF = 0.5 A, IR = 1.0 A,
Irr = 0.25 A
TA = 125 °C
IF = 1.0 A, dI/dt = 50 A/μs,
VR = 30 V, Irr = 0.1 IRM
Typical reverse recovery time
Typical softness factor (tb/ta)
Typical reverse recovery current
Typical stored charge
Typical junction capacitance
SYMBOL
IF = 1.0 A, dI/dt = 200 A/μs,
VR = 200 V
TA = 25 °C
TA = 125 °C
4.0 V, 1 MHz
IR (2)
TYP.
MAX.
0.90
-
0.96
1.05
0.70
-
0.76
0.90
-
1.0
7.5
25
13
25
21
30
trr
UNIT
V
μA
ns
S
0.8
-
-
IRM
2.7
4.0
A
Qrr
35
-
nC
CJ
17
-
pF
Notes
(1) Pulse test: 300 μs pulse width, 1 % duty cycle
(2) Pulse test: Pulse width 40 ms
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
SYMBOL
PARAMETER
RJA
Typical thermal resistance
UH1B
(1)
UH1C
120
RJM (1)
UNIT
°C/W
20
Note
(1) Free air, mounted on recommended copper pad area. Thermal resistance R
JA - junction to ambient, RJM - junction to mount
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g)
PREFERRED PACKAGE CODE
BASE QUANTITY
DELIVERY MODE
UH1CHE3_A/H (1)
0.064
H
1800
7" diameter plastic tape and reel
UH1CHE3_A/I (1)
0.064
I
7500
13" diameter plastic tape and reel
Note
(1) AEC-Q101 qualified
Revision: 13-May-2020
Document Number: 89111
2
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
UH1B, UH1C
www.vishay.com
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
Axis Title
1.0
0.8
0.6
TL Measured
at the Cathode Band Terminal
0.4
0.2
100
TJ = 175 °C
10
TJ = 125 °C
TJ = 150 °C
1000
1st line
2nd line
2nd line
Instantaneous Reverse Current (µA)
Average Forward Rectified Current (A)
1.2
TJ = 100 °C
1
TJ = 25 °C
0.1
100
0.01
TJ = -40 °C
10
0.001
0
95
105
115
125
135
145
155
10
175
165
20
30
40
50
60
70
80
90 100
Lead Temperature (°C)
Percent of Rated Peak Reverse Voltage (%)
Fig. 1 - Maximum Forward Current Derating Curve
Fig. 4 - Typical Reverse Characteristics
1.0
100
D = 0.3
D = 0.5
D = 0.8
Junction Capacitance (pF)
0.9
Average Power Loss (W)
10000
1000
0.8
D = 0.2
0.7
0.6
D = 1.0
D = 0.1
0.5
0.4
T
0.3
0.2
0.1
D = tp/T
tp
0.8
1.0
0
0
0.2
0.4
0.6
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
10
1
0.1
1.2
1
10
100
Average Forward Current (A)
Reverse Voltage (V)
Fig. 2 - Forward Power Loss Characteristics
Fig. 5 - Typical Junction Capacitance
Axis Title
10000
10
TJ = 150 °C
1000
TJ = 125 °C
1
TJ = 100 °C
100
TJ = 25 °C
0.1
TJ = -40 °C
10
0.01
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Transient Thermal Impedance (°C/W)
1000
TJ = 175 °C
1st line
2nd line
2nd line
Instantaneous Forward Current (A)
100
Junction to Ambient
100
10
1
0.01
0.1
1
10
100
Instantaneous Forward Voltage (V)
t - Pulse Duration (s)
Fig. 3 - Typical Instantaneous Forward Characteristics
Fig. 6 - Typical Transient Thermal Impedance
Revision: 13-May-2020
Document Number: 89111
3
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
UH1B, UH1C
www.vishay.com
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
SMA (DO-214AC)
Cathode Band
Mounting Pad Layout
0.110 (2.79)
0.100 (2.54)
0.065 (1.65)
0.049 (1.25)
0.177 (4.50)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
MIN.
0.208 (5.28)
REF.
0.090 (2.29)
0.078 (1.98)
0.060 (1.52)
0.030 (0.76)
0.074 (1.88)
MAX.
0.066 (1.68)
MIN.
0.008 (0.203)
0 (0)
0.208 (5.28)
0.194 (4.93)
Revision: 13-May-2020
Document Number: 89111
4
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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Revision: 01-Jan-2022
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Document Number: 91000
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