UNISONIC TECHNOLOGIES CO., LTD
SB345
SCHOTTKY BARRIER
RECTIFIER
DESCRIPTION
Preliminary
DIODE
1
The UTC
SB345
is a schottky barrier rectifier, it uses UTC’s
advanced technology to provide customers with low forward voltage
drop, high current capability and high efficiency, etc.
FEATURES
2
* Low forward voltage drop
* High current capability
* High surge capability
* Low power loss
* High efficiency
DO-201AD
SYMBOL
ORDERING INFORMATION
Package
DO-201AD
Pin Assignment
1
2
K
A
Packing
Tape Box
Ordering Number
Lead Free
Halogen Free
SB345L-Z21D-B
SB345G-Z21D-B
Note: Pin Assignment: A: Anode
K: Cathode
MARKING
Cathode Band for uni-directional Only
SB345
L: Lead Free
G: Halogen Free
Date Code
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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SB345
ABSOLUTE MAXIMUM RATINGS
Preliminary
DIODE
Single phase, half wave, 60Hz, resistive or inductive load rating at 25°C, unless otherwise stated.
PARAMETER
SYMBOL
RATINGS
UNIT
DC Blocking Voltage
V
DC
45
V
Recurrent Peak Reverse Voltage
V
RRM
45
V
RMS Voltage
V
RMS
31.5
V
Average Forward Rectified Current 3/8" Lead Length
I
O
3.0
A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
I
FSM
100
A
(JEDEC Method)
Operating Junction Temperature
T
J
-65~+150
°C
Storage Temperature
T
STG
-65~+150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
SYMBOL
θ
JA
RATINGS
50
UNIT
°C/W
PARAMETER
Junction to Ambient (Note 2)
ELECTRICAL CHARACTERISTICS
Single phase, half wave, 60Hz, resistive or inductive load rating at 25°C, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Forward Voltage Drop
V
F
I
F
=3.0A
0.50
V
DC Reverse Current at Rated DC
T
A
=25°C
0.5 mA
I
R
Blocking Voltage
T
A
=100°C
10.0 mA
Junction Capacitance (Note 1)
C
J
220.0
pF
Notes: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2. Thermal Resistance from Junction to Ambient at 0.5" lead length, vertical P.C. Board Mounted.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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SB345
Preliminary
DIODE
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R202-017.b
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