Littelfuse 316 User Manual

Axial Lead & Cartridge Fuses

PICO® ll > Very Fast Acting > 316 Series

316 Series PICO®II, Very Fast-Acting Fuse

Description

®

The 316 Series PICO

II Very Fast-Acting Fuse is
designed to meet an extensive array of performance
characteristics in a space-saving subminiature package
while complying with the requirements of CCC.

Features

Agency Approvals

Agency Agency File Number Ampere Range

2007010207241295 0.50mA–5A

Electrical Characteristics

% of Ampere Rating Opening Time

100% 4 Hours, Min.

200% 5 Seconds, Max.

275% 0.30 Seconds, Max.

400% 0.03 Seconds, Max.

1000% 0.004 Seconds, Max.

• CCCcertiedAxialLead

Fuse

• Fullycompatiblewith

• Availableinratingsof

0.50A, 1.00A, 2.00A,

3.15A and 5.00 amperes

Lead–free solder alloys
and higher temperature
profiles associated with
Lead–free assembly

• RoHScompliant

Applications

Secondary protection for space constrained applications

• Flat–panelDisplayTV

• LCDmonitor

• LCDbacklightinverter

• Ofcemachines

• Powersupply

• Audio/Videosystem

• Lightingsystem

• Medicalequipment

Additional Information

Datasheet

Resources

Samples

Electrical Characteristics

Ampere

Rating

(A)

0.50 .500 125

1. 0 0 0 01. 125 0.128 0.256 0.186

2.00 002. 125 0.0473 0.405 0.158

3.15 3.15 125 0.0290 1.190 0.160

5.00 005. 125 0.0155 4.140 0.110

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 and Blank=Not Approved

3. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options.

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

Amp Code

Max

Voltage

Rating

(V)

Interrupting

Rating

50A @ 125VAC
50A @ 125VDC

Nominal Cold

Resistance

(Ohms)

0.280 0.0598 0.202

Nominal

Melting

2

t (A2 sec)

I

Max Voltage

Drop (mV)

Agency

Approvals

X

X

X

X

X

Axial Lead & Cartridge Fuses

PICO® ll > Very Fast Acting > 316 Series

Temperature Rerating Curve

140

120

B

100

80

60

40

PERCENT OF RATING*

20

-60°C -40°C -20°C 0°C 20°C 40°C 60°C 80°C 100°C 120°C

-76°F -40°F -4°F 32°F 68°F 104°F 140°F 176°F 212°F 248°F

AMBIENT TEMPERATURE

Note:

1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.

Soldering Parameters

Average Time Current Curves

3.5 A

1.0 A

100

B

10

1

0.1

TIME IN SECONDS

0.01

0.001

0.1

0.5 A

1

CURRENT IN AMPERES

5.0 A

2.0 A

10

100

1000

Recommended Process Parameters:

Wave Parameter Lead-Free Recommendation

Preheat:

(Depends on Flux Activation Temperature)

Temperature Minimum:
Temperature Maximum:

(Typical Industry Recommendation)

100

° C

150

° C

Preheat Time: 60-180 seconds

Solder Pot Temperature:

260

° C Maximum

Solder Dwell Time: 10 Seconds, Maximum

Recommended Hand-Solder Parameters:

Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.

Note: These devices are not recommended for IR or
Convection Reflow process.

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13