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參數(shù)資料
| 型號： | PGB002ST23WR |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | PGB Series SOT23 Surface Mount ESD Suppressor |
| 中文描述： | 玻色子表面貼裝系列SOT23封裝的ESD抑制器 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 360K |
| 代理商： | PGB002ST23WR |
4
P
S
PulseGuard
Suppressors
Polymeric ESD Suppressors
177
www.littelfuse.com
PGB Series SOT23 Surface Mount ESD Suppressor
Product Overview
PulseGuard ESD Suppressors help protect sensitive electronic
equipment against electrostatic discharge (ESD).They supplement the
on-chip protection of integrated circuitry and are best suited for low-
voltage, high-speed applications where low capacitance is important.
Data ports utilizing such high-speed protocols as USB 2.0, IEEE1394
and InfiniBand
SM
can benefit from this new technology. PulseGuard
suppressors use polymer composite materials to suppress fast-rising
ESD transients (as specified in IEC 61000-4-2 and MIL-STD-883E).
Features
Ultra-low capacitance
Low leakage current
Fast response time
2-lines of protection
Bi-directional
Withstands multiple ESD strikes
Standard JEDEC SOT23 outline
Compatible with pick-and-place processes
Available in 3,000 piece reels
Typical Applications
Servers
Laptop/Desktop Computers
Network Hardware
Computer Peripherals
Digital Cameras
External Storage
Electrical Characteristics
Trigger Voltage
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,000V typical
Clamping Voltage
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150V typical
Rated Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24VDC max
Capacitance
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.055pF
Response Time
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <1ns
Leakage Current
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <1nA
ESD Pulse Withstand
1
. . . . . . . . . . . . . . . . . . . . . 1,000 pulses minimum
Notes:
1. 8 kV direct discharge method, per IEC 61000-4-2.
2. Measured at 1 MHz.
3. Measured at 6 VDC.Testing at fast ESD pulse rates (1-20Hz) may
cause a change in leakage current performance (6μA, max).
Physical Specifications
Materials:
Body: Glass Epoxy
Terminations: Tin-Lead
Soldering Parameters:
Wave solder -- 260
°
C, 10 seconds maximum
Reflow solder -- 260
°
C, 30 seconds maximum
Operating Temperature Range:
-65
°
C to 125
°
C
Ordering Information
CATALOG NUMBER
PIECES PER REEL
PGB002ST23WR
3,000
Design Consideration
Because of the fast rise-time of the ESD transient, placement of
PulseGuard suppressors is a key design consideration.To achieve
optimal ESD suppression, the devices should be placed on the circuit
board as close to the source of the ESD transient as possible. Install
PulseGuard suppressors directly behind the connector so that they are
the first board-level circuit component encountered by the ESD transient.
They are connected from signal/data line to ground.
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