Littelfuse 456 Series Manual do Utilizador descarregar pdf

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Surface Mount Fuses

NANO

2®

> 456 Series

456 Series Fuse

Description

The High Current NANO

2®

Fuse is a small square surface

mount fuse that is designed to support higher current

requirements of various applications.

Agency Approvals

AGENCY AGENCY FILE NUMBER AMPERE RATING

E10480 20A, 25A, 30A, 40A

NBK030308-JP1021 20A, 25A, 30A

Electrical Characteristics

Features

% of

Ampere Rating

Opening Time

100% 4 hours, Minimum

200% 60 seconds, Maximum

Electrical Speciﬁcations

Ampere

Rating

(A)

Amp Code

Max

Voltage

Rating

(V)

Interrupting Rating

Nominal

Cold Resistance

(Ohms)

Nominal

Melting

t (A

Sec.)

Nom Voltage

Drop

(mV)

Agency Approvals

20 020. 125

100A @125VAC

300A @ 65VAC

300A @ 100VDC

1000A @ 32VDC

500A @ 72VDC

0.00230 18 64.7 x x

25 025. 125

100A @ 125VAC

300A @ 65VAC

500A @ 72VDC

1000A @ 32VDC

0.00192 45 68.38 x x

30 030. 125

100A @ 125VAC

300A @ 65VAC

1000A @ 32VDC

500A @ 72VDC

0.00132 81 69.9 x x

40 040. 72

180A @ 72VDC

600A @ 60VDC

0.00105 454 55 x

Applications

• Voltageregulatormodule

for PC server

• Coolingfansystemfor

PC server

• Storagesystempower

• Basestationpower

supply

• Surfacemounthigh

current fuse

• Fullycompatiblewith

lead-free solder alloys

and higher temperature

proﬁles associated with

lead-free assembly

• RoHScompliantand

Halogen Free

• Availableinratingsof20

to 40 Amperes

Notes:

1. Cold resistance measured at less than 10% of rated current at 23°C.

2. Agency Approval Table Key: X=Approved or Certiﬁed, P=Pending.

3. I

t values stated for 10 msec opening time.

40A

20A, 25A, 30A

Additional Information

Datasheet

Samples

Resources

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Littelfuse 456 Series Manual do Utilizador

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