153

Revised: February 22, 2011

© 2011 Littelfuse, Inc.

Specifications are subject to change without notice.

Please refer to www.littelfuse.com for current information.

Baseband Protection (Voice-DS1)

Electrical Characteristics

1

4

6

3

2

5

to protect baseband equipment from overvoltage

balanced overvoltage protection.

The series provides a dual port surface mount solution that

enables voice through DS-1 equipment to comply with

various global regulatory standards.

Description

Features and Benefits

Low voltage overshoot

Low on-state voltage

Does not degrade with

use

Fails short circuit when

surged in excess of

ratings

Low Capacitance

Replaces six discrete

devices

Balanced overvoltage

protection

Meets UL/IEC 60950-1

creepage and clearance

Two-port protection

Agency Approvals

Agency

Agency File Number

E133083

Schematic Diagram

Pinout Designation

1

2

3

6

5

4

Applicable Global Standards

TIA-968-A

TIA-968-B

ITU K.20/21 Enhanced

Level*

ITU K.20/21 Basic Level

GR 1089 Inter-building*

GR 1089 Intra-building

IEC 61000-4-5

YD/T 1082

YD/T 993

YD/T 950

*A/B-rated parts require series resistance

Part Number

Marking

V

DRM

@l

V

S

@100V/μs

V

DRM

@l

V

S

@100V/μs

V

T

@I

I

H

I

S

I

T

Capacitance

V min

V max

V min

V max

V max

mA

min

mA

max

A

max

Pins 1-2, 3-2, 4-5, 6-5

Pins 1-3, 4-6

Pins 1-2, 3-2, 4-5, 6-5

A2106UA6Lxx

A2106UA6

170

250

50

80

8

120

800

2.2

See

Capacitance

Values Table

A5030UA6Lxx

A5030UA6

400

550

270

340

8

150

800

2.2

A2106UB6Lxx

A2106UB6

170

250

50

80

8

120

800

2.2

A5030UB6Lxx

A5030UB6

400

550

270

340

8

150

800

2.2

A2106UC6Lxx

A2106UC6

170

250

50

80

8

120

800

2.2

A5030UC6Lxx

A5030UC6

400

550

270

340

8

150

800

2.2

P1556UALxx

P1556UA

130

180

130

180

8

150

800

2.2

P1806UALxx

P1806UA

150

210

150

210

8

150

800

2.2

P2106UALxx

P2106UA

170

250

170

250

8

150

800

2.2

P2356UALxx

P2356UA

200

270

200

270

8

150

800

2.2

P2706UALxx

P2706UA

230

300

230

300

8

150

800

2.2

P3206UALxx

P3206UA

270

350

270

350

8

150

800

2.2

P3406UALxx

P3406UA

300

400

300

400

8

150

800

2.2

Table continues on next page.