UCLAMP2804L
TVS Array For ESD and Latch Up Protection
WWW.SOT23.COM.TW
Mechanical Characteristics
Features
100W peak pulse power(8/20µs)
Protects two line pairs(four lines)
Ultra low leakage:nA level
Low operating voltage:2.8V
BL
IC
Low capacitance
Ultra low clamping voltage
JEDEC SO-8 package
Complies with following standards:
– IEC 61000-4-2 (ESD) immunity test
Air discharge: ±30kV
Contact discharge: ±30kV
– IEC61000-4-4 (EFT) 40A (5/50ns)
– IEC61000-4-5 (Lightning) 10A (8/20µs)
RoHS Compliant
CH
PU
Applications
UCLAMP2804L
TE
Ordering Information
Part Number
Package: SO-8
Lead Finish: Matte Tin
Case Material: “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 3 per J-STD-020
Terminal Connections: See Diagram Below
Qty per Reel
Reel Size
2500
13Inch
Base Station
Analog Inputs
Switch Systems
10/100/1000 Ethernet
WAN/LAN Equipment
Desktops, Servers, and Notebooks
Low Voltage Interfaces
Dimensions and Pin Configuration
Circuit and Pin Schematic
UCLAMP2804L
TVS Array For ESD and Latch Up Protection
WWW.SOT23.COM.TW
Absolute Maximum Ratings (TA=25°C unless otherwise specified)
Symbol
Value
Unit
Peak Pulse Power(8/20µs)
Ppk
100
W
Peak Pulse Current(8/20µs)
IPP
10
A
IC
Parameter
ESD per IEC 61000−4−2 (Air)
VESD
ESD per IEC 61000−4−2 (Contact)
Storage Temperature Range
±30
kV
TJ
−40 to +125
°C
Tstg
−55 to +150
°C
BL
Operating Temperature Range
±30
Symbol
Reverse Working Voltage
Snap-Back Voltage
Typ
VRWM
VPT
TE
Punch-Through Voltage
Min
CH
Parameter
PU
Electrical Characteristics (TA=25°C unless otherwise specified)
VSB
3.5
3.8
Max
Unit
2.8
V
4.3
V
Test Condition
IPT = 2µA
ISB = 50mA
2.8
Reverse Leakage Current
IR
1.0
µA
VRWM = 2.8V
Clamping Voltage
VC
5.5
V
IPP = 1A (8 x 20µs pulse)
Clamping Voltage
VC
10
V
IPP = 10A (8 x 20µs pulse)
Variation in capacitance with
reverse bias
Junction Capacitance
Pins 1,8 to 2,7 and pins 3,6 to 4,5
1.3
CJ
4.7
pF
6
pF
VR = 0 to 2.8V, f = 1MHz
Pins 1,8 to 2,7 and pins 3,6 to 4,5
VR = 2.8V, f = 1MHz
UCLAMP2804L
TVS Array For ESD and Latch Up Protection
PROTECTION PRODUCTS
WWW.SOT23.COM.TW
Typical charateristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
Clamping Voltage vs. Peak Pulse Current
10
10
Clamping Voltage - VC (V)
1
0.1
8
7
6
5
4
3
Waveform
Parameters:
tr = 8μs
td = 20μs
2
1
0.01
0.1
1
10
IC
Peak Pulse Power - PPP (kW)
9
0
100
0
Pulse Duration - tp (us)
2
4
6
8
10
12
Peak Pulse Current - IPP (A)
Typical Insertion Loss (S21)
BL
Normalized Junction Capacitance vs. Reverse Voltage
CH1 S21
2
PU
1.8
1.4
1.2
CH
1
0.8
0.6
0.4
0.2
0
0
0.5
TE
Cj(VR) / Cj(VR=0V)
1.6
1
1.5
2
6 dB / REF 0 dB
1: -1.8892 dB
800 MHz
2: -2.1247 dB
900 MHz
0 dB
12
-6 dB
3: -6.9338 dB
1.8 GHz
3
-12 dB
5
-18 dB
4: -15.047 dB
2.5 GHz
4
-24 dB
-30 dB
-36 dB
f = 1 MHz
-42 dB
2.5
Reverse Voltage (VR)
ESD Clamping
(8kV Contact per IEC 61000-4-2)
Note: Data is taken with a 10x attenuator
LOG
3
-48 dB
1
MHz
START . 030 MHz
10
MHz
100
MHz
3
1
GHz GHz
STOP 3000. 000000 MHz
ESD Clamping
(-8kV Contact per IEC 61000-4-2)
Note: Data is taken with a 10x attenuator
UCLAMP2804L
TVS Array For ESD and Latch Up Protection
WWW.SOT23.COM.TW
A
e
N
h
D
2
0.25
ccc C
2X N/2 TIPS
e/2
DETAIL
B
D
aaa C
CH
A2 A
C
A1
01
A
SEE DETAIL
A
DIM
A
A1
A2
b
c
D
E1
E
e
h
L
L1
N
01
aaa
bbb
ccc
DIMENSIONS
INCHES
MILLIMETERS
MIN NOM MAX MIN NOM MAX
.069
.053
.010
.004
.065
.049
.020
.012
.010
.007
.189 .193 .197
.150 .154 .157
.236 BSC
.050 BSC
.010
.020
.016 .028 .041
(.041)
8
8°
0°
.004
.010
.008
1.75
1.35
0.25
0.10
1.65
1.25
0.51
0.31
0.25
0.17
4.80 4.90 5.00
3.80 3.90 4.00
6.00 BSC
1.27 BSC
0.25
0.50
0.40 0.72 1.04
(1.04)
8
8°
0°
0.10
0.25
0.20
SIDE VIEW
C A-B D
TE
bxN
bbb
L
(L1)
PU
1
c
GAGE
PLANE
BL
E1 E
SEATING
PLANE
h
H
2X E/2
IC
Outline Drawing - SOP-8
Land Pattern - SOP-8
WWW.TECHPUBLIC.COM.TW
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