Littelfuse ST Series Bedienungsanleitung PDF herunterladen

121

Revised: June 4, 2010

POLYFUSE

Resettable PTCs

POLYFUSE

Resettable PTCs

ST Series

Speciﬁcations are subject to change without notice.

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

ST Series

Axial Lead Battery Strap Type > ST Series

ST Series

The new ST Series device provides reliable, noncycling

protection against overcharging and short circuits events

for rechargeable battery cells where resettable protection

is desired.

Electrical Characteristics

Part Number

hold

(A)

trip

(A)

max

(Vdc)

max

(A)

max.

(W)

Maximum Time

To Trip

Resistance

Agency

Approvals

Current

(A)

Time

(Sec.)

min

(Ω)

typ

(Ω)

1max

(Ω)

15ST120 1.2 2.7 15 100 1.2 6.00 5.00 0.085 0.160 0.220

15ST120S 1.2 2.7 15 100 1.2 6.00 5.00 0.085 0.160 0.220

15ST175 1.75 3.8 15 100 2.5 8.75 5.00 0.050 0.090 0.120

15ST175S 1.75 3.8 15 100 2.5 8.75 5.00 0.050 0.090 0.120

30ST200 2.00 4.4 30 100 1.9 10.00 4.00 0.030 0.060 0.100

30ST350 3.50 6.3 30 100 2.5 20.00 3.00 0.017 0.031 0.050

30ST420 4.20 7.6 30 100 2.9 20.00 6.00 0.012 0.024 0.040

hold

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

trip

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

max

= 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.

min

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

typ

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

1max

= Maximum resistance of device at 20°C measured one hour after tripping or reﬂow

soldering of 260°C for 20 sec.

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

and ﬂame.

Description

Features

Applications

• RoHS compliant and

lead–free

• Weldable Nickel terminals

• Low resistance

• Provides overcurrent

protection at 125°C trip

temperature

• Rechargeable battery cell

protection

Agency Approvals

AGENCY AGENCY FILE NUMBER

E183209

R50119583

Items with S at end of part number identify items with slit lead option. See Dimension Drawing and Part Ordering Number System sections of this document for more information.

1 2 3 4

Inhaltsverzeichnis

Seite 1 - ST Series

Seite 2

Seite 3

Seite 4 - 15 ST 175 S U

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Littelfuse ST Series Bedienungsanleitung

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