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ESD protection devices



Littelfuse offers a broad line of electrostatic discharge (ESD) protection devices designed to help shunt ESD away from sensitive circuitry and improve the reliability of electronic devices. The latest addition to the product line is the Silicon ESD (SESD) series. Available in the industry’s smallest 0201 chip scale package (CSP), SESD devices feature bi-directional technology and ultra-low capacitance - down to 0.6pF (picofarad). Suitable for small portable electronics applications, they help protect sensitive integrated circuits (ICs).

SESD series devices are used to help protect mobile phones, portable electronics, LCD and plasma TVs, HDMI 1.3 / 1.4, USB 2.0 / 3.0, DisplayPort, and other high-speed digital or low-voltage antenna interfaces. They provide low capacitance and performance against IEC61000-4-2, level 4 testing, especially after multiple hits (up to 1000) and offer a lower trigger voltage and a lower clamping voltage than typical polymer ESD devices.

SESD Product Details | PESD Product Details



Electrical Characteristics for SESD Devices
  Input Capacitance(1) Leakage Current (max) Breakdown Voltage (min) Working Reverse Voltage
Typical (pF) Maximum (pF) IL @ Vwfv = 5.0V (µA) Vbr @ It(2) - 1mA (V) Vwrv @ peak (V)
SESD0201C-006-058
0.6
0.9
1.0
+/-5.8
5.0
SESD0201C-120-058
12.0
13.5
1.0
+/-5.8
5.0
SESD0402S-005-054
0.5
0.9
1.0
+5.4/-1.0
5.0

(1) @ Vr=OV, f=1MHz
(2) Vbr is measured at test current It.

Part Description Input Capacitance
@Vr = 0V, f = 1MHz
Working Reverse Voltage
(peak) - VRWM
Breakdown Voltage
Vbr @ It = 1mA(2)
Leakage current
@ VRWM = 6.0V
Clamping Voltage
@ Ipp=2A, tp=(8/20µs)
ESD contact discharge
per IEC61000-4-2 standard (1)
ESD air discharge
per IEC61000-4-2 standard
Typ (pF) Max (pF) Max (V) Min (V) Typ (V) Max (?A) Typ (V) Max (V) Max (kV) Max (kV)
SESD0201P1BN-0400-090 4.0 5.0 6.0 9.0 11.0 1.0 +/-10.0 +/-12.0 +/-10 +/-16
SESD0402P1BN-0450-090 4.5 5.5 6.0 9.0 11.0 1.0 +/-10.0 +/-12.0 +/-10 +/16

(1) 10kV @ +/- 50 pulses under IEC61000-4-2; 8kV @ 1,000 pulses under IEC61000-4-2
(2) Vbr is measured at test current It

Part Numbering for SESD Devices



Electrical Characteristics for PESD Devices
  Continuous Max OperatingVoltage Typical TriggerVoltage* Typical ClampingVoltage† Typical Capacitance @1 MHz, 1VRMS Typical Leakage Current Max Leakage Current @ MaxVDC
Symbol
VDC
VT(TLP)
VC(TLP)
CP
IL(TYP)
IL(MAX)
Unit
V
V
V
PF
µA
µA
PESD0402-140
14
250
40
0.25
<0.01
10.0
PESD0603-240
24
215
45
0.25
<0.01
10.0
PESD1206Q-240
24
250
45
0.25
<0.01
10.0
* TLP test method at 1kV
† Measured 30ns after pulse initiation
Typical capacitance value is also @ 0V, Max Operating Voltage bias
Note: All PESD parts are RoHS Compliant and Halogen Free
Part Numbering for PESD Devices

Application Limitations for PESD0402-140, PESD0603-240 and PESD1206Q-240: These parts are not intended to be used under power bus applications, Users should independently evaluate the suitability of and test each product selected for their own application.

For all ESD Devices:
All information, including illustrations, is believed to be accurate and reliable. Users, however, should independently evaluate the suitability of and test each product selected for their application. Littelfuse makes no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. Littelfuse's only obligations are those in the Company’s Standard Terms and Conditions of Sale and in no case will Littelfuse be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of its products. Specifications are subject to change without notice. In addition, Littelfuse reserves the right to make changes to materials or processing that do not affect compliance with any applicable specification without notification to Buyer. Without expressed or written consent by an officer of Littelfuse, Littelfuse does not authorize the use of any of its products as components in nuclear facility applications, aerospace, or in critical life support devices or systems.

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