UNISONIC TECHNOLOGIES CO., LTD
BAT54STB
SCHOTTKY BARRIER (DUAL)
DIODES
DESCRIPTION
Planar Schottky barrier diodes are encapsulated in the SOT-523
small plastic SMD package. Single diodes and dual diodes with
different pin configuration are available.
DIODE
FEATURES
* Low forward voltage
* Guard ring protected
* Small plastic SMD package
SYMBOL
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
BAT54STBL-AN3-R
BAT54STBG-AN3-R
Note: Pin Assignment: A: Anode K: Cathode
Package
SOT-523
Pin Assignment
1
2
3
K1
A2
K2A1
Packing
Tape Reel
MARKING
E44
L: Lead Free
G: Halogen Free
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
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BAT54STB
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
DIODE
UNIT
PER DIODE
Continuous Reverse Voltage
V
R
30
V
Continuous Forward Current
I
F
200
mA
Repetitive Peak Forward Current (t
P
<1s,
δ≤0.5)
I
FRM
300
mA
Non-repetitive Peak Forward Current (t
P
<10ms)
I
FSM
600
mA
Junction Temperature
T
J
+125
°C
Storage Temperature
T
STG
-60 ~ +150
°C
PER DEVICE
Power Dissipation (T
A
≤25°C)
P
D
230
mW
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
PARAMETER
Junction to Ambient
SYMBOL
θ
JA
RATINGS
500
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C,
unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
I
F
= 0.1mA
I
F
= 1mA
I
F
= 10mA
I
F
= 30mA
I
F
= 100mA
V
R
= 25V
When switched from I
F
=10mA
to I
R
= 10mA, R
L
= 100Ω
measured at I
R
= 1mA
f = 1 MHz, V
R
= 1V;
MIN
TYP
MAX UNIT
240
mV
320
mV
400
mV
500
mV
800
mV
2
μA
5
10
ns
pF
Forward Voltage (See Fig.1)
V
F
Reverse Current (See Fig.2)
Reverse Recovery Time (see Fig.4)
Diode Capacitance (see Fig.3)
I
R
t
rr
C
D
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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BAT54STB
TYPICAL CHARACTERISTICS
DIODE
I
F
(mA)
C
D
(pF)
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
I
R
(μA)
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QW-R601-053.B
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