Littelfuse LC03-3.3 User Manual

TVS Diode Arrays (SPA

, etc.)

®

Diodes)

Lightning Surge Protection - LC03-3.3 Series

LC03-3.3 Series 3.3V 150A Diode Array

Pinout

1

2

3

SOIC-8 (Top View)

8

7

6

54

RoHS

Pb

GREEN

Description

This LC03-3.3 series provides overvoltage protection for
applications such as 10/100/1000 BaseT Ethernet, and
T3/E3 interfaces. This new protector combines the TVS
diode element with a diode rectifier bridge to provide both
longitudinal and differential protection in one package.
This design results in a capacitive loading characteristic
that is log-linear with respect to the signal voltage across
the device. This reduces intermodulation (IM) distortion
caused by a typical solid-state protection solution. The
application schematic provides the connection information
and the LC03-3.3 is rated for GR-1089, intra-building
transient immunity requirements for telecommunication
installations.

Features

• Lightning Protection,
IEC61000-4-5, 150A
(t

p

=8/20µs)

• EFT, IEC61000-4-4, 40A
(t

p

=5/50ns)

• Low insertion loss, log­linear capacitance

• Low clamping voltage

• SOIC-8 surface mount
package (JEDEC MS-012)

• Combined longitudinal
and metallic protection

• Clamping speed of
nanoseconds

• UL 94V-0 epoxy molding

• RoHS compliant

Functional Block Diagram

Line in

Pin 2, 3, 6,
and 7

Line in

Pin 1 and 8

Pin 4 and 5

Line out

Line out

Additional Information

Datasheet

Life Support Note:

Not Intended for Use in Life Support or Life Saving Applications

The products shown herein are not designed for use in life sustaining or life saving
applications unless otherwise expressly indicated.

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/24/13

Resources

Samples

Applications

• T1/E1 Line cards

• T3/E3 and DS3 Interfaces

• 10/100/1000 BaseT
Ethernet

• STS-1 Interfaces

Application Example

TeleLink (0461 1.25) LC03-3.3BTG

1

2

3

4

8

7

6

5

to chipset
(Ethernet PHY,
T3/E3 PHY

This schematic shows a high-speed data interface
protection solution. The LC03-3.3BTG is compatible with
the intra-building surge requirements of Telcordia’s GR­1089-CORE, and the Basic Level Recommendations of
ITU K.20 and K.21. The TeleLink fuse provides overcurrent
protection for the long term 50/60 Hz power fault events.

TVS Diode Arrays (SPA

®

Diodes)

Lightning Surge Protection - LC03-3.3 Series

Absolute Maximum Ratings

Parameter Rating Units

Peak Pulse Current (8/20µs) 150 A

Peak Pulse Power (8/20µs) 3300 W

IEC 61000-4-2, Direct Discharge, (Level 4) 30 kV

IEC 61000-4-2, Air Discharge, (Level 4) 30 kV

IEC 61000-4-5 (8/20µs) 150 A

Telcordia GR 1089 (Intra-Building) (2/10µs) 100 A

ITU K.20 (5/310µs) 40 A

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress only rating and operation of the device
at these or any other conditions above those indicated in the operational sections of this
specification is not implied.

Electrical Characteristics (TOP = 25°C)

Parameter Symbol Test Conditions Min Typ Max Units

Reverse Stand-Off Voltage V

Reverse Breakdown Voltage V

Snap Back Voltage V

Reverse Leakage Current I

Clamping Voltage, Line-Ground V

Clamping Voltage, Line-Ground V

Dynamic Resistance, Line-Ground R

Clamping Voltage, Line-Line V

Clamping Voltage, Line-Line V

Dynamic Resistance , Line-Line R

Junction Capacitance C

RWM

BR

SB

R

C

C

DYN

C

C

DYN

Between I/O Pins and Ground

j

IT≤1µA - - 3.3 V

IT= 2µA 3.3 - - V

IT= 50mA 3.3 - - V

V

= 3.3V, T= 25°C - - 1 µA

RWM

IPP= 50A, tp=8/20 µs - - 13 V

IPP= 100A, tp=8/20 µs - - 17 V

(VC2-VC1)/(I

IPP= 50A, tp=8/20 µs - - 15 V

IPP= 100A, tp=8/20 µs - - 20 V

(VC2-VC1)/(I

VR=0V, f= 1MHz

Between I/O Pins

=0V, f= 1MHz

V

R

Thermal Information

Parameter Rating Units

SOIC Package 170 °C/W

Operating Temperature Range –40 to 125 °C

Storage Temperature Range –55 to 150 °C

Maximum Junction Temperature 150 °C

Maximum Lead Temperature (Soldering
20-40s) (SOIC - Lead Tips Only)

) - 0.15 -

PP2-IPP1

) - 0.25 -

PP2-IPP1

- 9 12 pF

- 4.5 6 pF

260 °C

SP03a-3.3

W

W

Figure 1: Non-repetitive Peak Pulse Current vs. Pulse Time

1000

100

10

Peak Pulse Current (A)

1

110100 10 00

Pulse decay time (µs)

Figure 2: Current Derating Curve

120

)

P

100

80

60

40

20

Percentage of Rated Current (%I

0

020406080100 120140 160

Ambient Temperature (C)

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 04/24/13