Transient Voltage Suppressors
Features
300 watts peak pulse power (t
p
= 8/20μs)
ESD Protection > 40 kilovolts
Protects one bidirectional line or two unidirectional lines
Working Voltages: 5V, 12V, 15V,
24V
and36V
Low clamping voltages
BST23Axx2V
ROHS
IEC COMPATIBILITY (EN61000-4)
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
Mechanical Characteristics
JEDEC SOT23 package
Molding compound flammability rating:
UL
94V-0
Marking: Marking Code
Packaging: Tape and Reel per EIA 481
RoHS/WEEE Compliant
Applications
RS-232, RS-422 & RS-485
Cellular Handsets and Accessories
Control & Monitoring Systems
Portable Electronics
Set-Top Box
Servers, Notebook, and Desktop PC
Wireless Bus Protection
Circuit Diagram
Schematic & PIN Configuration
2
3
1
1
3
2
SOT-23 (Top View)
1/5
Transient Voltage Suppressors
Absolute Maximum Rating
Rating
Peak Pulse Power(t
p
=8/20μs)
Lead Soldering Temperature
Operating Temperature
Storage Temperature
Symbol
P
PP
T
L
T
J
T
STG
Value
300
260(10sec)
-55 to + 125
-55 to +150
BST23Axx2V
ROHS
Units
Watts
°
C
°
C
°
C
Electrical Parameters (T=25℃)
Symbol
Parameter
Maximum Reverse Peak Pulse Current
Clamping Voltage @
I
PP
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @
V
RWM
Breakdown Voltage @
I
T
Test Current
Forward Current
Forward Voltage @
I
F
I
PP
V
C
V
RWM
I
R
V
BR
I
T
I
F
V
F
I
F
I
V
C
V
BR
V
RWM
I
R
V
F
I
T
V
I
PP
Electrical Characteristics(T=25℃)
BST23A052V
Parameter
Reverse Stand-Off Voltage
Reverse Breakdown Voltage
Reverse Leakage Current
Peak Pulse Current
Clamping Voltage
Maximum Clamping Voltage
Junction Capacitance
Junction Capacitance
Symbol
V
RWM
V
BR
I
R
I
PP
V
C
V
C
C
j
C
j
I
T
=1mA
V
RWM
=5V,T=25°C
t
p
=8/20μs
I
PP
=1A, tp=8/20μs
I
PP
=18A, tp=8/20μs
Pin 1 to 2
V
R
= 0V, f = 1MHz
Pin 1 to 3 and Pin 2 to 3
V
R
= 0V, f = 1MHz
100
150
6
1
18
9.8
16.7
Conditions
Minimum
Typical
Maximum
5
Units
V
V
μA
A
V
V
pF
pF
2/5
Transient Voltage Suppressors
BST23A122V
Parameter
Reverse Stand-Off Voltage
Reverse Breakdown Voltage
Reverse Leakage Current
Peak Pulse Current
Clamping Voltage
Maximum Clamping Voltage
Junction Capacitance
Junction Capacitance
Symbol
V
RWM
V
BR
I
R
I
PP
V
C
V
C
C
j
C
j
I
T
=1mA
V
RWM
=12V,T=25°C
13.3
Conditions
Minimum
Typical
BST23Axx2V
ROHS
Maximum
12
Units
V
V
1
12
19
25
30
50
μA
A
V
V
pF
pF
t
p
=8/20μs
I
PP
=1A, tp=8/20
μs
I
PP
=12A, tp=8/20
μs
Pin 1 to 2
V
R
= 0V, f = 1MHz
Pin 1 to 3 and Pin 2 to 3
V
R
= 0V, f = 1MHz
BST23A152V
Parameter
Reverse Stand-Off Voltage
Reverse Breakdown Voltage
Reverse Leakage Current
Peak Pulse Current
Clamping Voltage
Maximum Clamping Voltage
Junction Capacitance
Junction Capacitance
Symbol
V
RWM
V
BR
I
R
I
PP
V
C
V
C
C
j
C
j
I
T
=1mA
V
RWM
=15V,T=25°C
16.7
1
10
24
30
25
40
Conditions
Minimum
Typical
Maximum
15
Units
V
V
μA
A
V
V
pF
pF
t
p
=8/20μs
I
PP
=1A, tp=8/20
μs
I
PP
=10A, tp=8/20
μs
Pin 1 to 2
V
R
= 0V, f = 1MHz
Pin 1 to 3 and Pin 2 to 3
V
R
= 0V, f = 1MHz
BST23A242V
Parameter
Reverse Stand-Off Voltage
Reverse Breakdown Voltage
Reverse Leakage Current
Peak Pulse Current
Clamping Voltage
Maximum Clamping Voltage
Junction Capacitance
Junction Capacitance
Symbol
V
RWM
V
BR
I
R
I
PP
V
C
V
C
C
j
C
j
I
T
=1mA
V
RWM
=24V,T=25°C
26.7
1
5
43
60
20
30
Conditions
Minimum
Typical
Maximum
24
Units
V
V
μA
A
V
V
pF
pF
t
p
=8/20μs
I
PP
=1A, tp=8/20
μs
I
PP
=5A, tp=8/20
μs
Pin 1 to 2
V
R
= 0V, f = 1MHz
Pin 1 to 3 and Pin 2 to 3
V
R
= 0V, f = 1MHz
3/5
Transient Voltage Suppressors
BST23A362V
Parameter
Reverse Stand-Off Voltage
Reverse Breakdown Voltage
Reverse Leakage Current
Peak Pulse Current
Clamping Voltage
Maximum Clamping Voltage
Junction Capacitance
Junction Capacitance
Symbol
V
RWM
V
BR
I
R
I
PP
V
C
V
C
C
j
C
j
I
T
=1mA
V
RWM
=36V,T=25°C
40
Conditions
Minimum
Typical
BST23Axx2V
ROHS
Maximum
36
Units
V
V
1
4
60
75
20
26
μA
A
V
V
pF
pF
t
p
=8/20μs
I
PP
=1A, tp=8/20
μs
I
PP
=4A, tp=8/20
μs
Pin 1 to 2
V
R
= 0V, f = 1MHz
Pin 1 to 3 and Pin 2 to 3
V
R
= 0V, f = 1MHz
Typical Characteristics
Peak Pulse Power vs. Pulse Time
10,000
P
pp
–Peak
Pulse Power–Watts
110
100
Power Derating Curve
1,000
% of Rated Power or I
PP
10000
90
80
70
60
50
40
30
20
10
300W 8/20µs
Waveform
100
10
0.1
1
10
100
1000
t
d
–Pulse
Duration–µs
0
0
25
50
75
100
125
150
Ambient Temprature -T
A
(°C)
Pulse Waveform
110
100
90
80
ESD Pulse Waveform (Per IEC 61000-4-2)
Waveform
Paramters
tr=8µs
td=20µs
Percent of I
pp
70
60
50
40
30
20
e
-t
td=I
pp
/2
R1
10
0
0
5
10
15
25
30
35
Time (µs)
Ref1 500mV 10.0ns
4/5
Transient Voltage Suppressors
Outline Drawing – SOT-23
PACKAGE OUTLINE
D
BST23Axx2V
ROHS
SOT-23
3
DIMENSIONS
E1 E
0.25
θ
1
2
SYMBOL
A
A1
A2
D
b
E
E1
e
L
θ
MILLIMETER
MIN
0.900
0.000
0.900
2.800
0.300
2.250
1.200
0.300
0
MAX
1.150
0.100
1.050
3.000
0.500
2.550
1.400
0.500
8
○
INCHES
MIN
0.035
0.000
0.035
0.110
0.012
0.089
0.047
0.012
0
MAX
0.045
0.004
0.041
0.118
0.020
0.100
0.055
0.020
8
○
L
b
e
A2
A
A1
0.950 BSC
0.037 BSC
Notes
b
DIMENSIONS
DIM
Z
INCHES
0.088
0.0058
0.093
0.037 BSC
0.074 BSC
0.0389
MILLIMETERS
2.20
0.15
2.35
0.95 BSC
1.9 BSC
0.35
M
C
e
e1
M
C
Z
e
e1
b
1. Dimensioning and tolerances per ANSI Y14.5M,
1985.
2. Controlling Dimension: Inches
3. Pin 3 is the cathode (Unidirectional Only).
4. Dimensions are exclusive of mold flash and metal
burrs.
Marking Codes
Part Number
BST23A052V
BST23A122V
BST23A152V
BST23A242V
BST23A362V
Marking Code
5M2
AB2
BM2
CM2
DM2
Package Information
Qty:3k/Reel
5/5