BDFN8C2R52L
Transient Voltage Suppressors
ROHS
Features
100 Watts peak pulse power (tp=8/20μs)
Protects Two Line Pairs (Four lines)
Low capacitance
Low leakage current
Low operating and clamping voltage
Package optimized for high-speed lines
DFN-8L
IEC COMPATIBILITY (EN61000-4)
IEC 61000-4-2 (ESD) ±25kV (air), ±15kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
IEC 61000-4-5 (Lightning) 5A (8/20μs)
Mechanical Characteristics
DFN-8L package
Molding compound flammability rating: UL
94V-0
Marking: Marking Code
Packaging: Tape and Reel
RoHS Compliant
Circuit Diagram (Each Line Pair)
Applications
Switching Systems
WAN/LAN Equipment
Desktops, Serves, Notebooks& Handhelds
10/100/1000 Ethernet
Cellular Phones
Audio/Video Inputs
Schematic & PIN Configuration
1/5
BDFN8C2R52L
Transient Voltage Suppressors
ROHS
Absolute Maximum Rating
Rating
Symbol
Value
Units
Peak Pulse Power(tp=8/20μs) see Figure1&Figure2
PPP
100
Watts
Peak Pulse Current(tp=8/20μs)
IPP
5
A
ESD per IEC 61000-4-2(Air)
ESD per IEC 61000-4-2(contact)
VESD
±30
±30
kV
TJ
-45 to + 85
°C
TSTG
-55 to +150
°C
Operating Temperature
Storage Temperature
Electrical Parameters (T=25℃)
Symbol
Parameter
IPP
IPP
Maximum Reverse Peak Pulse Current
VC
Clamping Voltage @ IPP
VRWM
IR
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ VRWM
VPT
Punch-through Breakdown Voltage @ IT
V
Snap-Back Voltage @ I
I
SB
SB
Snap-Back Current
IPT
Test Current
ISB
VPT VRWM
V C VSB
IPT
IR
IR
IPT
VSB VC
VRWM VPT
ISB
SB
IPP
Electrical Characteristics(T=25℃)
BDFN8C2R52L
Parameter
Reverse Stand-Off Voltage
Symbol
Conditions
VPT
IPT=1μA
Reverse Leakage Current
IR
VRWM=2.5V
T=25℃
Snap-Back Voltage
VSB
ISB =1mA
Clamping Voltage
VC
Clamping Voltage
Variation in C ESD with
Reverse Bias
Typical
VRWM
Punch-through Voltage
Parasitic Capacitance
Minimum
Maximum
Units
2.5
V
3.0
V
1
μA
6
V
IPP=1A, tp=8/20μs
(Each Line)
7.5
V
VC
IPP=5A, tp=8/20μs
(Each Line)
13.0
V
CESD
VR = 2.5V, f = 1MHz
(Each Line)
4.5
6
pF
C△
Pin1, 8 to 2, 7 & Pin3, 6
to Pin4, 5
V R = 0V ~ 2.5V, f =1MHz
1.3
3.0
pF
2/5
BDFN8C2R52L
Transient Voltage Suppressors
ROHS
Typical Characteristics
Figure 2: Power Derating Curve
10
110
1
100W 8/20µs
Waveform
0.1
0.01
100
Percent of Rated Power for Ipp
Ppp – Peak Pulse Power - Ppp(KW)
Figure 1: Peak Pulse Power vs. Pulse Time
90
80
70
60
50
40
30
20
10
0
td – Pulse Duration - µs
Ambient Temperature - TA ( )
Figure 4: Clamping Voltage vs. Peak Pulse
Current
Figure3: Pulse Waveform
Waveform
Paramters
tr=8µs
td=20µs
100
90
Percent of Ipp
80
70
60
e-1
50
40
30
td=Ipp/2
20
10
18
16
Clamping Voltage–VC (V)
110
14
12
10
8
Test
Waveform
Paramters
tr=8µs
td=20µs
6
4
2
0
0
Time (µs)
0
1
2
3
4
5
Peak Pulse Current–IPP (A)
Figure 5: Normalized Junction Capacitance
vs. Reverse Voltage
Figure 6: lnsertion Loss
2.2
2.0
F=1MHz
Cj(VR )/Cj(VR =0)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
04
0.2
0
Reverse Voltage -VR(V)
3/5
6
BDFN8C2R52L
Transient Voltage Suppressors
ROHS
Application Information
Electronic equipment is susceptible to damage caused by a variety of sources, including Electrostatic
Discharge (ESD), Electrical Fast Transients (EFT) and Lightning strikes. The BDFN8C2R52L was designed
to protect the sensitive equipment from damage which may be induced by such transient events. This
product can be configured in a connection to meet the requirement of differential line pairs asfollows:
TPOPA
TPONA
TPOPB
TPONB
TPOPC
“Quad” Transformer
GIGABIT
ETHERNET
TRANSCEIVER
RJ45
TPONC
TPOPD
TPOND
Schematic Diagram for Gigabit Ethernet ESD/Surge Protection
4/5
BDFN8C2R52L
Transient Voltage Suppressors
ROHS
Outline Drawing – DFN-8L
PACKAGE OUTLINE
DFN-8L
D
DIMENSIONS
A
E
SEATING
PLANE
A1
A2
DIM
1
2
L
PIN 1 DOT BY MARKING
e
b
MAX
MIN
MAX
A
0.700
0.800
0.028
0.031
A1
-0.004
0.046
0.000
0.002
0.110REF
b
0.200
0.300
0.008
1.924
2.076
0.076
0.082
E
0.924
1.076
0.036
0.042
0.500TYP
L
0.274
K
G
(C)
Z
Y
P
INCHES
0.426
0.200MIN
0.012
0.020TYP
0.011
0.017
0.008MIN
Notes
DIMENSIONS
DIM
0.005REF
D
e
X
INCHES
MIN
A2
K
PIN 1 IDENTIFICATION
MILLIMETERS
MILLIMETERS
C
0.035
0.875
G
0.008
0.2
P
0.020
0.5BSC
X
0.014
0.35
Y
0.018
0.45
Z
0.043
1.10
1.
This Land Pattern Is For Reference Purposes
Only.Consult Your Manufacturing Group To Ensure Your
Company's Manufacturing Guidelines Are Met.
2.
Reference IPC-SM-782A, RLP NO. 300A.
Marking Codes
Part Number
BDFN8C2R52L
Marking Code
•
U33
Package Information
Qty:3k/Reel
5/5
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