Littelfuse 2920L User Manual

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POLY-FUSE® Resettable PTCs

Surface Mount > 2920L Series

2920L Series

Agency Approvals

AGENCY AGENCY FILE NUMBER

E183209

R50119118

RoHS

Description

The 2920L Series PTC provides surface mount overcurrent protection for medium voltage (≤60V) applications where resettable protection is desired.

Features

• RoHS compliant, lead-free

and halogen-free

• High voltage

• Low-prole

• Fast response to fault

currents

Applications

• IEE1394 port protection

• Powered ethernet port

• Low voltage telecom

equipment protection

protection (IEEE 802.3 af)

• Automotive electronic

control module protection

Electrical Characteristics

Maximum Time

Part Number Marking

hold

(A)

trip

(Vdc)

max

(A)

P d

typ. (W)

To Trip

Current

(A)

Time

(Sec.)

2920L030 LF030 0.30 0.60 60 10 1.50 1.50 3.00 1.200 3.000 4.800

2920L050 LF050 0.50 1. 00 60 10 1.50 2.50 4.00 0.350 0.870 1.400

2920L075 LF075 0.75 1.50 30 40 1.50 8.00 0.30 0.350 0.670 1.000

2920L075/60 LF075-60 0.75 1.50 60 10 1.50 8.00 0.30 0.300 0.60 0.950

2920L100 LF100 1. 10 2.20 33 40 1.50 8.00 0.50 0.120 0.270 0.410

2920L125 LF125 1.25 2.50 15 40 1.50 8.00 2.00 0.070 0.160 0.250

2920L150 LF150 1.50 3.00 33 40 1.50 8.00 2.00 0.080 0.150 0.230

2920L185 LF185 1.85 3.70 33 40 1.50 8.00 2.50 0.050 0.110 0.150

2920L200 LF200 2.00 4.00 15 40 1.50 8.00 5.00 0.050 0.090 0.125

2920L200/24 LF200-24 2.00 4.00 24 40 1.50 8.00 5.00 0.050 0.090 0.125

2920L250 LF250 2.50 5.00 15 40 1.50 8.00 10.00 0.035 0.060 0.085

2920L260 LF260 2.60 5.00 6 40 1.50 8.00 10.00 0.025 0.050 0.075

2920L300 LF300 3.00 5.00 6 40 1.50 8.00 20.00 0.015 0.033 0.048

2920L300/15 LF300-15 3.00 5.00 15 40 1.50 8.00 20.00 0.015 0.033 0.048

2920L500/16 LF500-16 5.00 10.00 16 40 2.0 20.00 5.00 0.005 - 0.025

= Hold current: maximum current device will pass without tripping in 20°C still air.

hold

= Trip current: minimum current at which the device will trip in 20°C still air.

trip

= Maximum voltage device can withstand without damage at rated current (I max)

max

= Maximum fault current device can withstand without damage at rated voltage (V

max

= Power dissipated from device when in the tripped state at 20°C still air.

= Minimum resistance of device in initial (un-soldered) state.

min

= Typical resistance of device in initial (un-soldered) state.

typ

= Maximum resistance of device at 20°C measured one hour after tripping or reﬂow soldering of 260°C for 20 sec.

1max

Caution: Operation beyond the speciﬁed rating may result in damage and possible arcing and ﬂame.

)

max

min

(Ω)

Resistance

typ

(Ω)

Agency

Approvals

1max

(Ω)

X X

Speciﬁcations are subject to change without notice.

Revised: 11/12/13

POLY-FUSE® Resettable PTCs

250S

0.10

100

1000

0.1 110 100

Current in Amperes

Time in Seconds

0.13A

Surface Mount > 2920L Series

Temperature Rerating

Ambient Operation Temperature

-40°C -20°C 0°C 20°C 40°C 50°C 60°C 70°C 85°C

Part Number

2920L030 0.45 0.40 0.35 0.30 0.25 0.23 0.20 0.17 0.14

2920L050 0.76 0.67 0.59 0.50 0.42 0.38 0.33 0.29 0.23

2920L075 1. 1 3 1. 01 0.88 0.75 0.62 0.56 0.50 0.44 0.34

2920L075/60 1. 1 3 1. 01 0.88 0.75 0.62 0.56 0.50 0.44 0.34

2920L100 1.66 1.47 1.29 1. 10 0.91 0.83 0.73 0.64 0.50

2920L125 1.89 1.68 1.46 1.25 1.04 0.94 0.83 0.73 0.56

2920L150 2.27 2.01 1. 76 1.50 1.25 1. 13 1. 00 0.87 0.74

2920L185 2.80 2.47 2.17 1.85 1.54 1.39 1.22 1.07 0.85

2920L200 3.02 2.68 2.34 2.00 1.66 1.50 1.32 1. 1 6 0.90

2920L200/24 3.14 2.77 2.42 2.00 1.73 1.56 1.38 1.20 0.98

2920L250 3.78 3.35 2.93 2.50 2.08 1.88 1.65 1.45 1. 13

2920L260 3.64 3.25 2.91 2.60 2.26 2.08 1.95 1. 74 1.48

2920L300 4.53 4.02 3.51 3.00 2.52 2.26 1.99 1.75 1.34

2920L300/15 4.20 3.85 3.44 3.00 2.69 2.50 2.31 2.12 1.83

2920L500/16 6.85 6.25 5.65 5.00 4.25 3.88 3.50 2.80 2.25

Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.

Hold Current (A)

2920L Series

Average Time Current Curves

0.30A

0.50A

0.75A & 0.75A/60

1.00A

1.25A

1.50A

1000

100

Time in Seconds

Temperature Rerating Curve

170%

150%

130%

1.85A

2.00A/24V

2.50A

2.60A

3.00A/15V

2920L

110%

90%

70%

50%

Percentage of Rated Current

30%

10%

-40 -30 -20 -10010 20 30 40 50 60 70 80 85

Temperature (°C)

0.10

0.1 110 100

Current in Amperes

The average time current curves and Temperature Rerating curve performance is affected

by a number or variables, and these curves provided as guidance only. Customer must

verify the performance in their application.

POLY-FUSE® Resettable PTCs

Surface Mount > 2920L Series

Soldering Parameters

Condition Reﬂow

Peak Temp/ Duration Time 260°C / 10 Sec

Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec

Preheat 120°C~ 180°C 50 Sec ~ 150 Sec

Storage Condition 0°C~35°C,

• Recommended reow methods: IR, vapor phase oven, hot air oven, N

environment for lead–free

• Recommended maximum paste thickness is 0.25mm (0.010 inch)

• Devices can be cleaned using standard industry methods and

solvents.

Note: If reow temperatures exceed the recommended prole,

devices may not meet the performance requirements.

70%RH

260

220

180

120

Temperature (°C)

Preheating

50 to 150

Soldering Cooling

60 to 100

Time(s)

120

Physical Speciﬁcations

Terminal Material

Lead Solderability

Solder-Plated Copper (Solder Material: Matte Tin(Sn))

Meets EIA Specication RS186-9E, ANSI/ J-STD-002 Category 3.

Environmental Speciﬁcations

Operating/Storage Temperature

Maximum Device Surface Temperature in Tripped State

Passive Aging

Humidity Aging

Thermal Shock

Solvent Resistance MIL–STD–202, Method 215

Vibration

Moisture Sensitivity Level Level 1, J–STD–020C

-40°C to +85°C

125°C

+85°C, 1000 hours

-/+5% typical resistance change

+85°C, 85%,R.H.,1000 hours

-/+5% typical resistance change

MIL-STD-20 2, Method 107G +85°C/-40°C 20 times

-30% typical resistance change

MIL–STD–883C, Method 2007.1, Condition A

Speciﬁcations are subject to change without notice.

Revised: 11/12/13

POLY-FUSE® Resettable PTCs

Top

View

Pad

Layout

Side View

Bottom

View

5.30 mm (.209”)

4.60 mm (.181”)

2.0mm (.079”)

MARKING CODE VARIES WITH AMPERAGE AND VOLTAGE RATING (SEE ELECTRICAL CHARACTERISTIC TABLE) SHOWN ARE:

- 1.5A/33V RATING (LEFT)

- 2.0A/24V RATING (RIGHT)

150

200

-24

Surface Mount > 2920L Series

Dimensions (mm)

2920L Series

Part

Number

Inches mm Inches mm Inches mm Inches mm Inches mm

Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max

Min

B C D E

2920L030 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L050 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L075 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L075/60 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.05 0.06 1.20 1.80 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L100 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 1 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L125 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 1 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L150 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L185 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L200 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L200/24 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L250 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L260 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 1 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L300 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L300/15 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2

2920L500/16 0.26 0.31 6.73 7.98 0.19 0.21 4.80 5.44 0.80 1.60 0.80 1.60 0.012 0.098 0.30 2.50 0. 010 0.079 0.25 2.00

POLY-FUSE® Resettable PTCs

PACKAGING STYLE

SIZE

L: LITTELFUSE SURFACE MOUNT PPTC

HOLD

HOLD CURRENT CODE

(Refer to Electrical Characteristics Table)

/XX: SPECIAL VOLTAGE RATING

(Not applicable to all parts. Refer to Electrical Characteristics Table)

QUANTITY CODE: K=10,000 Y=4,000 W=3,000 P=2,000

R: Tape & Reel

SERIES

2920 L 380 /12 TH Y R

THIN PROFILE

(Not applicable to all parts)

Surface Mount > 2920L Series

Part Ordering Number System

Packaging

Part Number Ordering Number

Halogen

Free

(A)

hold

2920L030 2920L030DR Ye s 0.30 030 Tape and Reel 1500 DR

2920L050 2920L050DR Ye s 0.50 050 Tape and Reel 1500 DR

2920L075 2920L075DR Ye s 0.75 075 Tape and Reel 1500 DR

2920L075/60 2920L075/60MR Ye s 0.75 075 /60 Tape and Reel 1000 MR

2920L100 2920L100PR Yes 1. 10 10 0 Tape and Reel 2000 PR

2920L125 2920L125PR Ye s 1.25 125 Tape and Reel 2000 PR

2920L150 2920L150DR Ye s 1.50 15 0 Tape and Reel 1500 DR

2920L185 2920L185DR Ye s 1.85 185 Tape and Reel 15 00 DR

2920L200 2920L200DR Ye s 2.00 200 Tape and Reel 15 00 DR

2920L200/24 2920L200/24DR Yes 2.00 200 /24 Tape and Reel 1500 DR

2920L250 2920L250DR Ye s 2.50 250 Tape and Reel 1500 DR

2920L260 2920L260PR Ye s 2.60 260 Tape and Reel 2000 PR

2920L300 2920L300DR Ye s 3.00 300 Tape and Reel 15 00 DR

2920L300/15 2920L300/15DR Ye s 3.00 300 /15 Tape and Reel 1500 DR

2920L500/16 2920L500/16MR Ye s 5.00 500 Tape and Reel 1,000 MR

hold

Code

Voltage

Option

Packaging

Option

Quantity

Quantity &

Packaging Codes

Speciﬁcations are subject to change without notice.

Revised: 11/12/13

POLY-FUSE® Resettable PTCs

Surface Mount > 2920L Series

Tape and Reel Speciﬁcations

TAPE SPECIFICATIONS: EIA-481-1 (mm)

2920L030, 2920L050,

2920L075

2920L100, 2920L125,

2920L260

2920L200, 2920L250,

2920L200/24,

2920L300,

2920L075/60 2920L500/16

2920L300/15

W 16.0+/- 0.30 16.0+/- 0.30 16.0+/- 0.30 16.0+/- 0.30 H 16.0+/- 0.2

F 7.5+/- 0.05 7.5+/- 0.05 7.5+/- 0.05 7.5+/- 0.10 W 17.0+/- 0.2

2920L150, 2920L185,

1.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 D Ø 60.2+/−0.5

1.55+/- 0.05 1.55+/- 0.05 1.55+/- 0.05 1.50+/- 0.10 F Ø 13.0+/- 0.5

1.5+/- 0.10 1.5+/- 0.10 1.5+/- 0.10 1.5 (min) C Ø 178+/- 1.0

4.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 H

8.0+/- 0.10 8.0+/- 0.10 8.0+/- 0.10 8.0+/- 0.10 W

2.0+/- 0.05 2.0+/- 0.05 2.0+/- 0.05 2.0+/- 0.10 W

5.45+/- 0.10 5.45+/- 0.10 5.45+/- 0.10 5.45+/- 0.10

7.65+/- 0.10 7.65+/- 0.10 7.65+/- 0.10 7.90+/- 0.10

T 0.25+/- 0.10 0.25+/- 0.10 0.25+/- 0.10 0.30+/- 0.05

1.25+/- 0.10 1.00+/- 0.10 1.45+/- 0.10 2.00+/- 0.10

Leader min. 390 390 390 390

Trailer min. 160 160 16 0 160

REEL DIMENSIONS:

EIA-481-1 (mm)

11+/- 0.5

2.5+0.5

3.0+0.5

4.0+0.5

2920L Series

Tape and Reel Diagram

Littelfuse 2920L User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual