LESHAN RADIO COMPANY, LTD.
Quad Array for
ESD Protection
This quad monolithic silicon voltage suppressor is designed for
applications requiring transient overvoltage protection capability. It is
intended for use in voltage and ESD sensitive equipment such as
computers, printers, business machines, communication systems,
medical equipment, and other applications. Its quad junction common
anode design protects four separate lines using only one package.
These devices are ideal for situations where board space is at a
premium.
LESDA6V2V5T1G
•
SOT-553 Package Allows Four Separate Unidirectional
•
•
•
•
Configurations
Low Leakage < 1
mA
@ 3 Volt
Breakdown Voltage: 5.6 Volt - 6.8 Volt @ 1 mA
ESD Protection Meeting IEC61000-4-2 - Level 4
We declare that the material of product
compliance with RoHS requirements.
Specification Features
SOT-553
1
2
3
5
4
•
•
•
•
•
Mechanical Characteristics
Void Free, Transfer-Molded, Thermosetting Plastic Case
Corrosion Resistant Finish, Easily Solderable
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
100% Lead Free, MSL1 @ 260°C Reflow Temperature
ORDERING INFORMATION
Device
LESDA5V6V5T1G
LESDA6V2V5T1G
LESDA6V8V5T1G
Package
SOT-553
SOT-553
SOT-553
Shipping
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
1/6
LESHAN RADIO COMPANY, LTD.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Symbol
I
PP
V
C
V
RWM
I
R
V
BR
I
T
QV
BR
I
F
V
F
Z
ZT
I
ZK
Z
ZK
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
Maximum Temperature Coefficient of V
BR
Forward Current
Forward Voltage @ I
F
Maximum Zener Impedance @ I
ZT
Reverse Current
Maximum Zener Impedance @ I
ZK
LESDA6V2V5T1G
I
I
F
V
C
V
BR
V
RWM
I
R
V
F
I
T
V
I
PP
Uni-Directional
MAXIMUM RATINGS
(T
A
= 25°C unless otherwise noted)
Characteristic
Peak Power Dissipation (8 X 20
ms
@ T
A
= 25°C) (Note 1)
Steady State Power - 1 Diode (Note 2)
Thermal Resistance Junction to Ambient
Above 25°C, Derate
Maximum Junction Temperature
Operating Junction and Storage Temperature Range
ESD Discharge
MIL STD 883C - Method 3015-6
IEC1000-4-2, Air Discharge
IEC1000-4-2, Contact Discharge
Symbol
P
PK
P
D
R
qJA
T
Jmax
T
J
T
stg
V
PP
Value
100
300
370
2.7
150
-55 to +150
16
16
9
260
Unit
W
mW
°C/W
mW/°C
°C
°C
kV
Lead Solder Temperature (10 seconds duration)
T
L
°C
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C)
Breakdown Voltage
V
BR
@ 1 mA (Volts)
Device
LESDA5V6V5T1G
LESDA6V2V5T1G
LESDA6V8V5T1G
Min
5.32
5.89
6.46
Nom
5.6
6.2
6.8
Max
5.88
6.51
7.14
Leakage Current
I
RM
@ V
RM
V
RWM
3.0
4.0
4.3
I
RWM
(mA)
1.0
0.5
0.1
Typ Capacitance
@ 0 V Bias
(Note 3)
(pF)
90
80
70
Max
V
F
@ I
F
=
200 mA
(V)
1.3
1.3
1.3
V
C
Max @ I
PP
V
C
(V)
10.5
11.5
12.5
I
PP
(A)
10
9.0
8.0
1. Non-repetitive current per Figure 1.
2. Only 1 diode under power. For all 4 diodes under power, P
D
will be 25%. Mounted on FR-4 board with min pad.
3. Capacitance of one diode at f = 1 MHz, V
R
= 0 V, T
A
= 25°C
2/6
LESHAN RADIO COMPANY, LTD.
LESDA6V2V5T1G
110
100
90
PERCENT OF I
PP
80
70
60
50
40
30
20
10
0
c-t
t
d
= I
PP
/2
% OF RATED POWER OR I
PP
WAVEFORM
PARAMETERS
t
r
= 8
ms
t
d
= 20
ms
110
100
90
80
70
60
50
40
30
20
10
0
0
5
10
15
t, TIME (ms)
20
25
30
0
25
50
75
100
125
150
T
A
, AMBIENT TEMPERATURE (°C)
Figure 1. Pulse Waveform
Figure 2. Power Derating Curve
14
V
C
, CLAMPING VOLTAGE (V)
12
LESDA6V2V5T1G
10
8
6
4
2
0
1
3
5
7
9 10 11
12.5 13.5
LESDA5V6V5T1G
LESDA6V8V5T1G
C, CAPACITANCE (pF)
100
90
80
70
60
50
40
30
20
10
0
5.3
5.6
5.9
6.2
6.5
6.8
7.1
V
BR
, BREAKDOWN VOLTAGE (V)
I
PP
, PEAK PULSE CURRENT (A)
Figure 3. Clamping Voltage versus
Peak Pulse Current
Figure 4. Typical Capacitance
3/6
LESHAN RADIO COMPANY, LTD.
LESDA6V2V5T1G
PACKAGE DIMENSIONS
SOT-553, 5-LEAD
A
-X-
C
K
4
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETERS
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD
FINISH THICKNESS. MINIMUM LEAD THICKNESS
IS THE MINIMUM THICKNESS OF BASE
MATERIAL.
MILLIMETERS
MIN
MAX
1.50
1.70
1.10
1.30
0.50
0.60
0.17
0.27
0.50 BSC
0.08
0.18
0.10
0.30
1.50
1.70
INCHES
MIN
MAX
0.059
0.067
0.043
0.051
0.020
0.024
0.007
0.011
0.020 BSC
0.003
0.007
0.004
0.012
0.059
0.067
5
1
2
3
B
-Y-
S
D
G
5 PL
M
J
X Y
0.08 (0.003)
DIM
A
B
C
D
G
J
K
S
STYLE 1:
PIN 1.
2.
3.
4.
5.
BASE 1
EMITTER 1/2
BASE 2
COLLECTOR 2
COLLECTOR 1
STYLE 2:
PIN 1.
2.
3.
4.
5.
CATHODE
ANODE
CATHODE
CATHODE
CATHODE
4/6
LESHAN RADIO COMPANY, LTD.
EMBOSSED TAPE AND REEL DATA
FOR DISCRETES
T Max
Outside Dimension
Measured at Edge
13.0mm ± 0.5mm
1.5mm Min
(.512 ±.002’’)
(.06’’)
A
20.2mm Min
(.795’’)
50mm Min
(1.969’’)
Full Radius
G
Inside Dimension
Measured Near Hub
Size
8 mm
A Max
330mm
(12.992’’)
G
8.4mm+1.5mm, -0.0
(.33’’+.059’’, -0.00)
T Max
14.4mm
(.56’’)
Reel Dimensions
Metric Dimensions Govern –– English are in parentheses for reference only
Storage Conditions
Temperature: 5 to 40 Deg.C (20 to 30 Deg. C is preferred)
Humidity: 30 to 80 RH (40 to 60 is preferred )
Recommended Period: One year after manufacturing
(This recommended period is for the soldering condition only. The
characteristics and reliabilities of the products are not restricted to
this limitation)
5/6
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