SMTPA SERIES

®

TRISIL

™

October 1998 - Ed: 7A

SCHEMATIC DIAGRAM

BIDIRECTIONAL CROWBAR PROTECTION.

BREAKDOWN VOLTAGE RANGE:

From 62 V To 270 V.

HOLDING CURRENT = 150 mA min

REPETITIVE PEAK PULSE CURRENT :

µs.

FEATURES

SMB

(JEDEC DO-214AA)

The SMTPAxx series has been designed to protect

telecommunication equipment against lightning

and transient induced by AC power lines.

DESCRIPTION

COMPLIES WITH THE

FOLLOWING STANDARDS:

Peak Surge

Voltage

(V)

Voltage

Waveform

(

µs)

Current

Waveform

(

µs)

Admissible

Ipp

(A)

Necessary

Resistor

(

Ω)

(CCITT) ITU-K20

1000

10/700

5/310

25

-

(CCITT) ITU-K17

1500

10/700

5/310

38

-

VDE0433

2000

10/700

5/310

50

-

VDE0878

2000

1.2/50

1/20

50

-

IEC-1000-4-5

level 3

level 4

10/700

1.2/50

5/310

8/20

50

100

-

-

FCC Part 68, lightning surge

type A

1500

800

10/160

10/560

10/160

10/560

75

55

12.5

6.5

FCC Part 68, lightning surge

type B

1000

9/720

5/320

25

-

BELLCORE TR-NWT-001089

First level

2500

1000

2/10

10/1000

2/10

10/1000

150

50

11.5

10

BELLCORE TR-NWT-001089

Second level

5000

2/10

2/10

150

11.5

CNET l31-24

1000

0.5/700

0.8/310

25

-

1/5