Transient Voltage Suppressors
Features
350 Watts Peak Pulse Power per Line (tp = 8/20μs)
Unidirectional & Bidirectional Configuration
Protects One Power or I/O Port
ESD Protection > 40 kilovolts
Low Clamping Voltages
Available in Multiple Voltage Types Ranging from 3V to 24V
Ultra Low Capacitance: 1.0 pF Typical
BSD3C(A)XX1L
ROHS
IEC COMPATIBILITY (EN61000-4)
IEC 61000-4-2 (ESD) ±25kV (air), ±15kV(contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
Mechanical Characteristics
Molded JEDEC SOD-323 package
Weight 10 milligrams (Approximate)
Flammability rating UL 94V-0
8mm Tape and Reel Per EIA Standard 481
Device Marking: Marking Code
RoHS/WEEE Compliant
Applications
Ethernet - 10/100/1000 Base T
Cellular Phones
Handheld - Wireless Systems
Personal Digital Assistant (PDA)
USB Interface
PIN Configuration
1
1
2
2
UNIDIRECTIONAL
BIDIRECTIONAL
1/4
Transient Voltage Suppressors
Absolute Maximum Rating
Rating
Peak Pulse Power ( t
p
=8/20μs ) - See Figure 1
Operating Temperature
Storage Temperature
Symbol
P
PP
T
J
T
STG
Value
350
BSD3C(A)XX1L
ROHS
Units
Watts
°
C
°
C
-55 to + 150
-55 to +150
Electrical Parameters(T=25°C)
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
V
C
V
BR
V
RWM
I
I
PP
I
F
Unidirectional
Bidirectional
I
PP
V
C
V
RWM
I
R
V
BR
I
T
I
F
V
F
I
T
I
R
I
R
V
F
I
T
V
RWM
V
BR
V
C
V
I
PP
Electrical Characteristics
PART
NUMBER
(See Note 1
& Note 2)
DEVICE
MARKING
RATED
STAND-OFF
VOLTAGE
V
WM
(Volts)
MINIMUM
BREAKDOWN
VOLTAGE
@ 1mA
V
BR
(Volts)
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ IP = 1A
V
C
(Volts)
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@8/20μs
VC @ IPP
MAXIMUM
LEAKAGE
CURRENT
@V
WM
Id(μA)
TYPICAL
CAPACITANCE
@0V, 1 MHz
C(pF)
BSD3A031L
BSD3C031L
BSD3A051L
BSD3C051L
BSD3A081L
BSD3C081L
BSD3A121L
BSD3C121L
BSD3A151L
BSD3C151L
BSD3A241L
BSD3C241L
03
3B
05
5B
08
8B
12
AB
15
BB
24
CB
3.3
3.3
5.0
5.0
8.0
8.0
12.0
12.0
15.0
15.0
24.0
24.0
4.0
4.0
6.0
6.0
8.5
8.5
13.3
13.3
16.7
16.7
26.7
26.7
7.0
7.0
9.8
9.8
13.4
13.4
19.0
19.0
24.0
24.0
43.0
43.0
19.0V @ 20.0A
19.0V @ 20.0A
18.3V @ 17.0A
18.3V @ 17.0A
18.5V @ 17.0A
18.5V @ 17.0A
28.6V @ 11.0A
28.6V @ 11.0A
31.8V @ 10.0A
31.8V @ 10.0A
56.0V @ 6.0A
56.0V @ 6.0A
1
0.050
1
0.045
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2/4
Transient Voltage Suppressors
Typical Characteristics
Figure 1: Peak Pulse Power vs. Pulse Time
P
pp
- Peak Pulse Power - Ppp(KW)
10
BSD3C(A)XX1L
ROHS
Figure 2: Power Derating Curve
Percent of Rated Power for I
pp
110
100
90
80
70
60
50
40
30
20
10
0
0
25
50
75
100
125
150
1
350W 8/20µs
Waveform
0.1
0.01
0.1
1
10
100
1,000
t
d
–
Pulse Duration - µs
Ambient Temperature - T
A
(℃)
Figure 3: Clamping Voltage vs. Peak Pulse
Current
20
Figure 4: Normalized Junction Capacitance
vs. Reverse Voltage
1.1
1.0
F=1MHz
0.9
Clamping Voltage -Vc(V)
15
Cj(V
R
)/Cj(V
R
=0)
25
30
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
10
BSD3C051L
5
0
0
5
10
15
20
0
0
1
2
3
4
5
Peak Pulse Current -Ipp(A)
Reverse Voltage -V
R
(V)
Figure 5: Pulse Waveform
110
100
90
80
Figure 6: ESD Clamping( 8kV Contact per
IEC 61000-4-2)
Tek Run : 5.00GS/s Sample
WE05S
Waveform
Paramters
tr=8µs
td=20µs
C1 Max
19.0V
Percent I
pp
70
60
50
40
30
20
10
0
0
5
10
e
-t
td=Ipp/2
R1
15
20
25
30
Ch1 500mV
M 10.0ns Ch1 1.36V
Time (µs)
3/4
Transient Voltage Suppressors
OutlineDrawing–SOD323
PACKAGE OUTLINE
C
A
BSD3C(A)XX1L
ROHS
SOD-323
B
1
2
E
DIMENSIONS
SYMBOL
A
B
C
MILLIMETER
MIN
1.60
0.25
2.50
0.00
1.20
0.08
0.25
0.00
MAX
1.80
0.35
2.70
1.00
1.40
0.15
0.40
0.10
INCHES
MIN
0.063
0.010
0.098
0.000
0.047
0.003
0.010
0.000
MAX
0.071
0.014
0.106
0.039
0.055
0.006
0.016
0.004
D
F
L
L1
H
D
E
F
L
L1
H
0.475 REF
0.019REF
MOUNTING PAD
0.118”(3.00mm)
Notes
1. Controlling Dimensions in Millimeters.
2. Dimensions are exclusive of mold flash and metal burrs.
0.031”(0.80mm)
0.031”(0.80mm)
Marking Codes
Part Number
BSD3A031L
BSD3C031L
BSD3A051L
BSD3C051L
BSD3A081L
BSD3C081L
BSD3A121L
BSD3C121L
BSD3A151L
BSD3C151L
BSD3A241L
BSD3C241L
Marking Code
03
3B
05
5B
08
8B
12
AB
15
BB
24
CB
LC LC LC LC LC LC LC LC LC LC LC LC
Package
Qty：3k/Reel
4/4
FPGA/CPLD
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