Littelfuse PMT3(310) Series Manual do Utilizador descarregar pdf (Página 1)

Gas Discharge Tube (GDT) Products

Revised: June 27, 2011

Speciﬁcations are subject to change without notice.

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

Customer should verify actual device performance in their speciﬁc applications.

PMT3(310) Series

Description

Littelfuse three electrode PMT3(310) series GDTs are

designed primarily to protect telecommunications

equipment requiring simultaneous crowbar action

of two signal lines. GDTs function as switches;

dissipating a minimum amount of energy and can

handle much higher currents than other types of

transient voltage protection.

Features

t3VHHFEDFSBNJDNFUBM

construction

t-PXDBQBDJUBODF

pF)

t"WBJMBCMFXJUIPS

XJUIPVUGBJMTBGFDMJQ

t"WBJMBCMFXJUIPS

without leads

t"WBJMBCMFXJUIWBSJPVT

lead spacings

t5FTUFEUP3&"1&

Applications

t5FMFQIPOFJOUFSGBDF

t5FMFQIPOFMJOFDBSET

t3FQFBUFST

t.PEFNT

t-JOFUFTUFRVJQNFOU

PMT3(310) Series

Agency Approvals

AGENCY AGENCY FILE NUMBER

E128662

/05&4

 5PUBMDVSSFOUUISPVHIDFOUFSFMFDUSPEFUFTUFEJOBDDPSEBODFXJUI*5653FD,BOE3&"1&

&OEPGMJGF%$PGNJOJNVNJOJUJBM%$CSFBLEPXOWPMUBHFUPPGNBYJNVNJOJUJBM%$CSFBLEPXOWPMUBHFMJNJU

*NQVMTFMFTTUIBOPGJOJUJBMJNQVMTFCSFBLEPXOEPXOMJNJU

Electrical Characteristics

Part Number

Device Speciﬁcations Life Ratings

%$#SFBLEPXO

*H

!7T

%$

7PMUBHF

7

ç4FD

%$

7PMUBHF

L7

ç4FD

Insulation

3FTJTUBODF

$BQBDJ

tance

(@1Mhz)

"$

$VSSFOU

11 cycles @

)[

"$

$VSSFOU

)[4FD

Y

4VSHF

$VSSFOU

ç4FD

Y

.BY

4JOHMF

4VSHF



ç4FD

.BY

4JOHMF

4VSHF



ç4FD

4VSHF

Life



ç4FD

Y

Min Typ .BY Min

1.5   90  

ȍ

(at 50V)

QG "NQT "NQT L" L" L" L"

PMT3(310)090  90   

1.5     

ȍ

(at 100V)

1.5     700

1.5   300  700

1.5    900 1000

1.5    900 1000

1.5    110 0 

3 Electrode GDT Graphical Symbol

a = TIP

C3*/(

F(306/%

(center electrode)

1 2 3

PMT3(310) Series 1

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