PFMD.050.2 datasheet(1/2 Pages) SCHURTER

Part #	PFMD.050.2

Description	Surface Mount PTC-Fuses

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Manufacturer	SCHURTER [Schurter Inc.]

Direct Link	http://www.schurterinc.com

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FUSES / SICHERUNGEN

PFMD

Resettable fuses

www.schurter.com

13

Surface Mount

PTC-Fuses

Type PFMD

3,4 x 4,7 mm

fast tripping

Packaged per EIA 481-1

Agency recognition:

UL, CSA, TÜV

Typical Time to Trip at 23 ˚C

Dimensions / Abmessungen

Solder pad layouts

50

75

100

A

C

B

D

Applications

• Hard disk drives

• PC motherboards

• PC peripherals

• Point-of-sale (POS)

equipment

• PCMCIA cards

• General Electronics

Typical Part Marking

Layout may vary

Manufacturer’s

Trademark

Part identification

Date code week 1 of 2000 = 0A (year and week)

week 27 of 2000 = A0 (week and year)

Test Procedures And Requirements For Model PFMD Series

Test / Test

Test Conditions / Bedingungen

Accept/Reject Criteria

Visual/Mech. / visuell/mech.

Verify dimensions and materials / Kontrolle Abmess./Mat. Per PF physical description

Resistance / Widerstand

In still air @ 23 °C / bei ruhiger Luft 23 °C

Rmin

≤ R ≤ Rmax

Time to Trip / Trip-Zeit

At specified current, Vmax, 23 °C / Bei entspr. Strom

T

≤ max. time to trip / Trip-Zeit

(sec.)

Hold Current / Haltestrom

30 min. at Ihold / bei Haltestrom

No trip

Trip Cycle Life / Trip-Zyklen

Vmax, Imax, 100 cycles / Zyklen

No arcing or burning

Trip Endurance / Zeit im Tripzustand

Vmax, 48 hours / Stunden

No arcing or burning

Environmental Characteristics

Operating/Storage Temperature / Einsatz/Lagertemp.

–40 °C to / bis +85 °C

Maximum Device Surface Temperature in Tripped State /

125 °C

Passive Aging / passive Alterung

+85 °C, 1000 hours / Std.

± 5% typ. resist. change

Humidity Aging / Feuchtigkeitsalterung

+85 °C, 85% R.H. 1000 hours / Std. ± 5% typ. resist. change

Thermal Shock / Thermischer Schock

+85 °C to/bis –40 °C, 20 times / Zyklen ± 10% typ. resist. change

Solvent Resistance / Lösungsmittel-Beständigkeit

MIL-STD-202, Method 215

No change

Vibration

MIL-STD-883C, Method 2007.1,

No change

Condition A

0.1

1

10

100

10

1

0.1

0.01

0.001

Fault current (A)

PFMD.010.2

PFMD.125.2

PFMD.075.2

PFMD.260.2

PFMD.110.2

PFMD.050.2

PFMD.150.2

PFMD.030.2

PFMD.014.2

PFMD.020.2

PFMD.160.2

PFMD.200.2

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