LR4-730F【PDF 1/1 页】POLYSWITCH PTC RESET 7.3A STRAP

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PolySwitch?

PRODUCT: LR4-730F

308 Constitution Drive

Menlo Park, CA 94025-1164

Phone: 800-227-4856

www.circuitprotection.com

PTC Devices

Overcurrent Protection Device

DOCUMENT: SCD25975

PCN: A93367

REV LETTER: C

REV DATE: MAY 10, 2011

PAGE NO.: 1 OF 1

Specification Status : Released

Electrical Rating

Voltage: 20V MAX

Current: 100A MAX

Chip Size: 14 x 17.5mm

Leads: Nickel 1/4H

0.125mm nominal thickness

Tape: Polyester (White)

18.5mmWidth

Solder: Lead-free

Lot Marking Ink Color (Green)

Marking:

E73

Manufacturer's Mark

Part Identification

ORIENTATION MARK (Blue)

Lot Identification

TABLE I. DIMENSIONS:

A B

Mm:

In*:

MIN MAX MIN MAX

27.1 29.1 13.9 14.5

(1.07) (1.15) (0.55) (0.57)

MIN

0.6

(0.02)

MAX

1.0

(0.04)

MIN

4.1

(0.16)

MAX

5.5

(0.22)

MIN

4.1

(0.16)

MAX

5.5

(0.22)

MIN

5.9

(0.23)

MAX

6.1

(0.24)

MIN

MAX

*Rounded off approximation

TABLE I I. PERFORMANCE RATINGS: As measured in Mull er Kelvin Clips Model BU-75K.

I HOLD

CURRENT TRIP LIMITS

TIME TO

TRIP

REFERENCE

RESISTANCE

ONE-HOUR

POST-TRIP

TRIPPED-

STATE

RESISTANCE

POWER

DISSIPATION

AMPS

20°C

AMPS

AT 0°C

AMPS

AT 20°C

AMPS

AT 60°C

AMPS

AT --°C

SECONDS AT

20°C,30.0A

OHMS

AT 20°C

OHMS

AT 20°C

WATTS AT

20°C, 20V

HOLD

TRIP

HOLD TRIP HOLD TRIP HOLD TRIP

TYP MAX MIN MAX

MIN MAX

TYP MAX

7.3

8.6 16.6

7.3 14.1

5.4 10.5 -- -- -- 5 0.006 0.012

0.006

0.015

-- 3.3

Agency Recognitions:

Reference Documents:

Precedence:

Effectivity:

CAUTION:

UL, TUV, CSA

PS300

This specification takes precedence over documents referenced herein.

Reference documents shall be the issue in effect on the date of invitation for bid.

Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.

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