Littelfuse LR Series Manual de usuario descargar pdf (Pagina 3)

115

Revised: June 4, 2010

POLYFUSE

Resettable PTCs

POLYFUSE

Resettable PTCs

LR Series

Axial Lead Battery Strap Type > LR Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/LR.html for current information.

LR Series

Environmental Speciﬁcations

Operating/Storage

Temperature

-40°C to +85°C

Maximum Device Surface

Temperature in Tripped State

125°C

Passive Aging

+70°C, 1000 hours

-/+10% typical resistance change

Humidity Aging

+85°C, 85% R.H., 7 days

-/+5% typical resistance

change

Vibration

MIL–STD–883C, Method

2007.1, Condition A, No change

Physical Speciﬁcations

Terminal Material

0.13mm nominal thickness, quarter-hard

Nickel

Insulating Material Polyester tape

Dimensions

D1 D2

SLIT

D1 D2

NOMINAL

0.5 x 4.0

(.02”x .15”)

Figure 1

Figure 2

(Items with S at end of part number)

Part

Number

Figure

ABCD1D2E

Inches mm Inches mm Inches mm Inches mm Inches mm Inches mm

Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min. Min. Min Max. Min. Max.

15LR190 1 0.78 0.87 19.90 22.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.22 5.50 0.22 5.50 0.01 0.22 3.90 4.10

15LR190S 2 0.78 0.87 19.90 22.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.22 5.50 0.22 5.50 0.01 0.22 3.90 4.10

15LR260 1 0.82 0.91 20.90 23.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 3.90 4.10

15LR260S 2 0.82 0.91 20.90 23.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 3.90 4.10

15LR380 1 0.94 1.02 24.00 26.00 0.27 0.30 6.90 7.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 4.90 5.10

20LR450 1 0.94 1.02 24.00 26.00 0.39 0.41 9.90 10.50 0.02 0.04 0.60 1.00 0.21 5.30 0.21 5.30 0.01 0.21 5.90 6.10

20LR550 1 1.38 1.46 35.00 37.00 0.27 0.30 6.90 7.50 0.02 0.04 0.60 1.00 0.21 5.30 0.21 5.30 0.01 0.21 4.90 5.10

20LR600 1 0.94 1.02 24.00 26.00 0.55 0.57 13.90 14.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 5.90 6.10

20LR730 1 1.07 1.15 27.10 29.10 0.55 0.57 13.90 14.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 5.90 6.10

Lot Number

(Contact Littelfuse

for additional

information)

190S

XX9R

Product Series

Current Rating

Littelfuse

Trademark

Top Side

Part Marking System

1 2 3 4

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Littelfuse LR Series Manual de usuario Pagina 3

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