PESDWC2XD5VB
Bi-directional 5V Low Capacitance ESD Protector
Description
The PESDWC2XD5VB protects sensitive semiconductor components from
damage or upset due to electrostatic discharge (ESD) and other voltage
induced transient events. They feature large cross-sectional area junctions
for
conducting
high
transient
currents,
offer
desirable
electrical
characteristics for board level protection, such as fast response time, low
operating voltage. It gives designer the flexibility to protect one bi-directional
line in applications where arrays are not practical.
DFN0603-2L(Bottom View)
Feature
80W peak pulse power per line (t
P
= 8/20μs)
DFN0603-2L package
Replacement for MLV(0201)
Bidirectional configurations
Response time is typically < 1ns
High ESD protection
Low clamping voltage
RoHS compliant
Transient protection for data lines to
IEC 61000-4-2(ESD)±12KV(air), ±10KV(contact);
IEC 61000-4-4 (EFT) 40A (5/50ns)
Circuit Diagram
Pin 1
Pin 2
Applications
Cellular phones
Portable devices
Digital cameras
Power supplies
3L
Marking (Top View)
Mechanical Characteristics
Lead finish:100% matte Sn(Tin)
Mounting position: Any
Qualified max reflow temperature:260℃
Device meets MSL 1 requirements
Pure tin plating: 7 ~ 17 um
Pin flatness:≤3mil
Rev.06.5
1
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ESD Protector
Electronics Parameter
Symbol
V
RWM
I
R
V
BR
I
T
I
PP
V
C
P
PP
C
J
I
F
V
F
PESDWC2XD5VB
Parameter
Peak Reverse Working Voltage
Reverse Leakage Current @ V
RWM
Breakdown Voltage @ I
T
Test Current
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
PP
Peak Pulse Power
Junction Capacitance
Forward Current
Forward Voltage @ I
F
I
PP
V
C
V
BR
V
RWM
I
T
I
R
I
PP
I
I
R
I
T
V
RWM
V
BR
V
C
V
Electrical characteristics per line@25℃ (unless otherwise specified)
Parameter
Peak Reverse Working Voltage
Breakdown Voltage
Reverse Leakage Current
Clamping Voltage
Clamping Voltage
Clamping Voltage
Clamping Voltage
Junction Capacitance
Symbol
V
RWM
V
BR
I
R
V
CL
V
C
V
C
V
C
C
j
Conditions
Min.
Typ.
Max.
5
Units
V
V
μA
V
I
t
= 1mA
V
RWM
= 5V T=25℃
I
PP
=16A
I
PP
=1A
I
PP
=3A
I
PP
=5A
V
R
=0V f = 1MHz
5.6
6.7
7.8
1.0
13.5
7
10
13
3.2
9
12
15
6
V
V
V
pF
Absolute maximum rating@25℃
Rating
Peak Pulse Power (t
p
=8/20μs)
Operating Temperature
Storage Temperature
Symbol
P
pp
T
J
T
STG
Value
80
-55 to 150
-55 to 150
Units
W
℃
℃
Rev.06.5
2
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ESD Protector
Typical Characteristics
100
80
60
40
20
0
0
5
10
15
t - Time -μs
20
25
30
t
f
=8μs
100
80
60
40
20
0
0
25
50
75
PESDWC2XD5VB
I
PP
– Peak Pulse Current - % of
I
PP
t
P
=20μs(I
PP
/2)
% Of Rated Power
100
125
150
T
L
– Lead Temperature -
℃
Fig 1.Pulse Waveform
20
1000
Fig 2.Power Derating Curve
V
C
-Clamping Voltage (V)
Peak Pulse Power (W)
16
Pulse waveform: tp=8/20us
100
12
8
10
4
0
0
1
3
4
I
PP
-Peak pulse current(A)
2
5
6
1
1
10
100
Pulse Duration(us)
1000
Fig 3. Clamping voltage vs. Peak pulse current
20
Fig 4. Non Repetitive Peak Pulse Power vs. Pulse time
3.5
3.0
C-Junction capacitance (pF)
2.5
2.0
1.5
1.0
0.5
12
Current (A)
4
0
-4
-12
-20
-16
-12
-8
0
-4
Voltage
4
(V)
8
12
16
0
0
1
2
3
4
5
V
R
-Reverse voltage (V)
Fig 5. TLP Measurement
Rev.06.5
3
Fig 6. Capacitance vs. Reveres voltage
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ESD Protector
Solder Reflow Recommendation
Peak Temp=257℃, Ramp Rate=0.802deg.
℃/sec
280
PESDWC2XD5VB
240
200
160
120
80
40
0
0
30
60
90
120
150
180
210
240
270
300
330
360
390
420
450
480
Time (sec)
PCB Design
For TVS diodes a low-ohmic and low-inductive path to chassis earth is absolutely mandatory in order to achieve good ESD
protection. Novices in the area of ESD protection should take following suggestions to heart:
Do not use stubs, but place the cathode of the TVS diode directly on the signal trace.
Do not make false economies and save copper for the ground connection.
Place via holes to ground as close as possible to the anode of the TVS diode.
Use as many via holes as possible for the ground connection.
Keep the length of via holes in mind! The longer the more inductance they will have.
Rev.06.5
4
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ESD Protector
Product dimension (DFN0603-2L)
D
e
L1
E
2
1
B
L2
H1
F1
F2
H2
E
PESDWC2XD5VB
A
0.65
0.25
0.15
Dim
A
B
D
Millimeters
MIN
0.270
0.200
0.550
0.250
-
0.130
0.130
0.015
0.015
0.030
0.030
Typ.
0.300
0.250
0.600
0.300
0.350
0.180
0.180
0.030
0.030
0.045
0.045
MAX
0.340
0.300
0.650
0.350
-
0.230
0.230
0.045
0.045
0.060
0.060
0.32
E
e
F1
0.40
Unit:mm
Suggested PCB Layout
F2
L1
L2
H1
H2
Ordering information
Device
PESDWC2XD5VB
Rev.06.5
Package
DFN0603-2L (Pb-Free)
5
Reel
7"
Shipping
10000 / Tape & Reel
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