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PULSE-GUARD

ESD Suppressors

Surface Mount Polymeric Electrostatic Discharge Suppressors

Speciﬁcations are subject to change without notice.

Revised: 12/26/13

Reﬂow Solder

Note: For wave solder, increase the spacing

in both the horizontal and vertical dimensions by

0.254 (.010") where denoted by an asterisk (*)

2.24 +/- 0.18

(0.088" +/- 0.007")

Reference Dimensions:

1.27

(0.050")

1.02 (0.040")

2.03

(0.080")

0.51

(0.020")

0.64

(0.025")

2.29

(0.090")

2.54

(0.100")

1.02 (0.040")

0.15 +/- 0.08

(0.006 +/- 0.003")

TYP

0.81

(0.032")

TYP

1.09

(0.043")

1.91

(0.075")

0.91

(0.036")

TYP

3.00 +/- 0.20

(0.118" +/- 0.008")

0.69 +/- 0.10

(0.027" +/- 0.004)

Equivalent Circuit

Wave Solder

1.27

(0.050")

1.27

(0.050")

2.29

(0.090")

0.64

(0.025")

1.02 (0.040")

PULSE-GUARD 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,

HDMI and DVI can beneﬁt from this new technology.

PULSE-GUARD suppressors use polymer composite

materials to suppress fast-rising ESD transients (as speciﬁed

in IEC 61000-4-2), while adding virtually no capacitance to

the circuit.

Description

Features

Applications

• HDTV Hardware

• Laptop/Desktop

Computer

• Network Hardware

• Computer Peripherals

• Digital Camera

• External Storage

• Set-Top Box

• Antenna

• RoHS compliant, lead-free

and available halogen-free

• Ultra-low capacitance

• Low leakage current

• Fast response time

• Bi-directional

• Withstands multiple

ESD strikes

• Compatible with

pick-and-place processes

• Available in 1000, 3000,

5000 and 10000 piece

reels (EIA-RS481)

Equivalent Circuits

Reflow Solder

Wave Solder

1.27 (0.050")

0.76 (0.030")

3.30

(0.130")

3.05

(0.120")

1.27 (0.050")

0.51 (0.020")

0.76 (0.030") 0.76 (0.030")

1.66 +/- 0.06

(0.066" +/- 0.003”)

0.15 +/- 0.08

(0.006" +/- 0.003”)

0.84 +/- 0.05

(0.033" +/- 0.002”)

0.36 (0.014")

1.04

(0.041") REF

0.43 +/- 0.18

(0.017" +/- 0.007”)

Equivalent Circuit

Reference Dimensions:

0402 and 0603 Devices

SOT23 Device

Product Characteristics

Part Number

Lines

Protected

Component

Package

Available as

Halogen-Free

PGB1010402 1 0402 No

PGB1010603 1 0603 Ye s

PGB102ST23 2 SOT23 Ye s

Electrical Characteristics

Speciﬁcation PGB1010402 PGB1010603 PGB102ST23 Notes

ESD Capability:

IEC 61000-4-2 Contact Discharge (typical)

IEC 61000-4-2 Air Discharge (maximum)

8kV

15kV

8kV

15kV

8kV

15kV

Peak Voltage (typical) 1000V 500V 500V

Measured per IEC 61000-4-2

8kV Contact Discharge

Clamping Voltage (typical) 250V 150V 150V

Measured per IEC 61000-4-2

8kV Contact Discharge

, at 25 nsec.

Rated Voltage (maximum) 12VDC 24VDC 24VDC

Capacitance (typical) 0.04 pF 0.06 pF 0.12 pF Measured at 250 MHz

Response Time <1nS <1nS <1nS

Leakage Current (typical) <1nA (12 VDC) <1nA (6 VDC) <1nA (6 VDC)

ESD Pulse Withstand

100

pulses min

1000

pulses min

1000

pulses min

Some shifting in characteristics may

occur when tested over multiple

pulses at a very rapid rate

Notes: 1. PGB1 0402 product not offered as Halogen Free. See PGB2 series 0402 product instead (http://www.littelfuse.com/series/PGB2010402.html).

2. Testing performed on Littelfuse test setup as described in Typical Test Setup Section on page 4 of this document.

PGB1 Series

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