Littelfuse 465 User Manual

465 Series Fuse

Surface Mount Fuses

NANO2® > 250V UMF Time Lag > 465 Series

Description

The Surface Mount Nano2 250V UMF product family
complies with IEC Publication IEC60127-4-Universal
Modular Fuse-Links [UMF]. This IEC standard has been
accepted by UL/CSA making it the first global fuse
standard.

Features

PS

E

Agency Approvals

AGENCY AGENCY FILE NUMBER AMPERE RANGE

PS

E

NBK030205-E108480B 1A - 6.3A

E184655A,B 250mA - 6.3A

• Time-Lag

• ListedtoIEC60127-4,

Universal Modular
Fuse-Links (UMF), 250V

Applications

• Powersupply

• Lightingsystem

• 250VACVoltagerating

• RoHScompliantand

Halogen Free

• Industrialequipment

• Medicalequipment

• Whitegoods

Electrical Characteristics for Series

% of Ampere

Rating

125% 1 hour, Minimum

200% 2 minutes, Maximum

1000% 0.01 sec., Min.; 0.1 sec., Max.

Opening Time

Additional Information

Datasheet

Resources

Electrical Specifications by Item

Ampere

Rating

(A)

1. 0 0 001. 250

1.25 1.25 250 0.0830 5.6 x x

1.60 01.6 250 0.0560 9.2 x x

2.00 002. 250 0.0390 14.9 x x

2.50 02.5 250 0.0260 21.0 x x

3.15 3.15 250 0.0210 31.7 x x

4.00 004. 250 0.0160 48.4 x x

5.00 005. 250 0.0130 87.0 x x

6.30 06.3 250 0.0088 144.4 x x

Notes:

- l2t calculated at 8ms.

- Resistance is measured at 10% of rated current, 25ºC

- For information and availability of additional ratings please contact Littelfuse

Amp Code

Max

Voltage

Rating

(V)

Interrupting

Rating

100 amperes

@250VAC

Nominal Cold

Resistance

(Ohms)

0.1070 2.8 x x

Nominal Melting

2

t (A2sec)

I

Agency Approvals

PS

E

Samples

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13

Surface Mount Fuses

NANO2® > 250V UMF Time Lag > 465 Series

Temperature Rerating Curve

Note:

1. Derating depicted in this curve is in addition to the standard derating of 15% for
continuous operation.

Average Time Current Curves

2 A

1.6 A

1 A

100

10

1

TIME IN SECONDS

0.1

0.01

0.001

0.1

1.25 A

1

CURRENT IN AMPERES

4 A

3.15 A

6.3 A

2.5 A

5 A

10

100

1000

Soldering Parameters

Reflow Condition Pb – Free assembly

- Temperature Min (T

Pre Heat

- Temperature Max (T

- Time (Min to Max) (ts) 60 – 120 secs

Average ramp up rate (Liquidus Temp
(T

) to peak

L

to TL - Ramp-up Rate 5°C/second max.

T

S(max)

Reflow

- Temperature (TL) (Liquidus) 217°C

- Temperature (tL) 60 – 90 seconds

Peak Temperature (TP) 260

Time within 5°C of actual peak
Temperature (t

)

p

Ramp-down Rate 5°C/second max.

Time 25°C to peak Temperature (T
Do not exceed 260°C

Wave Soldering Parameters

) 150°C

s(min)

) 200°C

s(max)

5°C/second max.

+0/–5

°C

20 – 40 seconds

) 8 minutes max.

P

260°C Peak
Temperature,
3 seconds max.

T

Temperature

S(max)

T

S(min)

T

P

T

L

25

time to peak temperature

Preheat

t

S

(t 25ºC to peak)

Ramp-up

t

P

Critical Zone

T

to T

L

P

t

L

Ramp-down

Time

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13