SHANGHAI Rev 1:July 2005

LESHAN RADIO COMPANY, LTD.
Transient Voltage Suppressors for ESD Protection
General Description
The LESD5Z2.5T1G Series is designed to protect
voltage sensitive components from ESD and transient
voltage events. Excellent clamping capability, low
leakage, and fast response time, make these parts
ideal for ESD protection on designs where board space is
at a premium.
LESD5Z2.5T1G SERIES
S-LESD5Z2.5T1G SERIES
Applications
z
z
z
z
Cellular phones
Portable devices
Digital cameras
Power supplies
SOD-523
Features
z
z
z
z
z
z
z
z
z
z
z
Small Body Outline Dimensions
Low Body Height
Stand−off Voltage: 2.5 V − 12 V
Peak Power up to 200 Watts @ 8 x 20 _s Pulse
Low Leakage
Response Time is Typically < 1 ns
ESD Rating of Class 3 (> 16 kV) per Human
Body Model
IEC61000−4−2 Level 4 ESD Protection
IEC61000−4−4 Level 4 EFT Protection
We declare that the material of product
compliance with RoHS requirements.
S- Prefix for Automotive and Other Applications
Requiring Unique Site and Control Change
Requirements; AEC-Q101 Qualified and PPAP Capable.
ORDERING INFORMATION
Device
Package
LESD5Z2.5T1G SERIES SOD−523
S-LESD5Z2.5T1G SERIES
Shipping
3000/Tape & Reel
Absolute Ratings (Tamb=25°C )
Symbol
Parameter
Value
Units
PPP
Peak Pulse Power (tp = 8/20μs)
200
W
TL
Maximum lead temperature for soldering during 10s
260
°C
Tstg
Storage Temperature Range
-55 to +150
°C
Top
Operating Temperature Range
-40 to +125
°C
Tj
Maximum junction temperature
150
°C
±15
±8
KV
IEC61000-4-2 (ESD)
air discharge
contact discharge
IEC61000-4-4 (EFT)
ESD Voltage
40
Per Human Body Model
16
A
KV
Rev.O 1/6
LESHAN RADIO COMPANY, LTD.
LESD5Z2.5T1G SERIES , S-LESD5Z2.5T1G SERIES
Electrical Parameter
Symbol
Parameter
IPP
Maximum Reverse Peak Pulse Current
VC
Clamping Voltage @ IPP
VRWM
Working Peak Reverse Voltage
IR
Maximum Reverse Leakage Current @ VRWM
IT
Test Current
VBR
Breakdown Voltage @ IT
IF
Forward Current
VF
Forward Voltage @ IF
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.VF = 0.9V at IF = 10mA
Device
Device
Marking
VRWM
(V)
IR(uA)
VBR (V)@ IT
@ VRWM
(Note 1)
Max
Max
Min
mA
Typ
Max
IT
VC (V)
VC (V)
PPK
C
(W)*
(pF)
Max
Max
Typ
IPP
@ IPP=5 A* @ Max IPP* (A)*
LESD5Z2.5T1G
ZD
2.5
6.0
4.0
1.0
6.5
10.9
11.0
120
145
LESD5Z3.3T1G
ZE
3.3
1.0
5.0
1.0
8.4
14.1
11.2
158
105
LESD5Z5.0T1G
ZF
5.0
1.0
6.2
1.0
11.6
18.6
9.4
174
80
LESD5Z6.0T1G
ZG
6.0
1.0
6.8
1.0
12.4
20.5
8.8
181
70
LESD5Z7.0T1G
ZH
7.0
1.0
7.5
1.0
13.5
22.7
8.8
200
65
LESD5Z12T1G
ZM
12
1.0
13.5
1.0
17
25
9.6
240
55
*Surge current waveform per Figure 1.
1. VBR is measured with a pluse test current IT at an ambient temperature of 25℃.
Rev.O 2/6
LESHAN RADIO COMPANY, LTD.
LESD5Z2.5T1G SERIES , S-LESD5Z2.5T1G SERIES
Fig1. Pulse Waveform
Fig3.Power Derating
Application Note
Electrostatic discharge (ESD) is a major cause of failure in electronic systems. Transient Voltage
Suppressors (TVS) are an ideal choice for ESD protection. They are capable of clamping the incoming transient
to a low enough level such that damage to the protected semiconductor is prevented.
Surface mount TVS offer the best choice for minimal lead inductance. They serve as parallel protection
elements, connected between the signal line to ground. As the transient rises above the operating voltage of the
device, the TVS becomes a low impedance path diverting the transient current to ground. The LESD5Z2.5T1G is
the ideal board evel protection of ESD sensitive semiconductor components.
The tiny SOD523 package allows design flexibility in the design of high density boards where the space
saving is at a premium. This enables to shorten the routing and contributes to hardening againt ESD.
Rev.O 3/6
LESHAN RADIO COMPANY, LTD.
LESD5Z2.5T1G SERIES , S-LESD5Z2.5T1G SERIES
SC-79/SOD-523
−X−
D
−Y−
E
2X
b
0.08
1
M
2
X Y
TOP VIEW
A
c
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH.
MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF
BASE MATERIAL.
4. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH, PROTRUSIONS, OR GATE BURRS.
DIM
A
b
c
D
E
HE
L
L2
MILLIMETERS
MIN
NOM
MAX
0.50
0.60
0.70
0.25
0.30
0.35
0.07
0.14
0.20
1.10
1.20
1.30
0.70
0.80
0.90
1.50
1.60
1.70
0.30 REF
0.15
0.20
0.25
HE
SIDE VIEW
RECOMMENDED
SOLDERING FOOTPRINT*
2X
0.48
1.80
2X
0.40
PACKAGE
OUTLINE
DIMENSION: MILLIMETERS
Rev.O 4/6
LESHAN RADIO COMPANY, LTD.
EMBOSSED TAPE AND REEL DATA FOR DISCRETES
CARRIER TAPE SPECIFICATIONS
T Max
Outside Dimension
Measured at Edge
13.0mm ± 0.5mm
1.5mm Min
(.512 ±.002’’)
(.06’’)
A
50mm Min
(1.969’’)
20.2mm Min
(.795’’)
Full Radius
G
Inside Dimension
Measured Near Hub
Size
A Max
8 mm
178.0mm
(7.0’’)
G
8.4mm+1.5mm, -0.0
(.33’’+.039’’, -0.00)
T Max
10.9mm
(.43’’)
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)
Rev.O 5/6
LESHAN RADIO COMPANY, LTD.
Shipment Specification
CPN
LABEL
LABEL
LABEL
Dim(Unit:mm)
195mm*195mm*150mm
10 Reel
10Reel/Inner Box
30KPCS/Inner Box
3000PCS/Reel
40KPCS/Inner Box (SOT-723,SOD-723,SOD-923)
4000PCS/Reel (SOT-723,SOD-723,SOD-923) 80KPCS/Inner Box (SOT-723,SOD-723,SOD-923)
8000PCS/Reel (SOT-723,SOD-723,SOD-923)
Dim(Unit:mm)
LABEL
460mm*400mm*420mm
MARK
乐山无线电股份有限公司
Leshan Radio Company,Ltd.
12 Inner Box/Carton
360KPCS/Carton
960KPCS/Carton (SOT-723,SOD-723,SOD-923)
Rev.O 6/6