15ST175U Littelfuse Inc, 15ST175U Datasheet

15ST175U

Manufacturer Part Number

15ST175U

Description

BULK / PTC 15V POLYFUSE STRAP TYPE 1.75A

Manufacturer

Littelfuse Inc

Series

POLYFUSE® STr

Datasheet

1.15ST175U.pdf (4 pages)

Specifications of 15ST175U

R Min/max

0.050 ~ 0.120 Ohm

Voltage - Max

15V

Time To Trip

Current - Hold (ih) (max)

1.75A

Current - Trip (it)

3.8A

Current - Max

100A

Package / Case

Strap

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Speciﬁcations are subject to change without notice.

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

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.

hold

trip

max

min

Agency Approvals

AGENCY

Electrical Characteristics

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

Part Number

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

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

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

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

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

15ST120S

15ST175S

30ST200

30ST350

30ST420

15ST120

15ST175

ST Series

AGENCY FILE NUMBER

E183209

R50119583

3.50

4.20

1.75

2.00

(A)

1.2

hold

(A)

2.7

3.8

4.4

6.3

7 .6

trip

(Vdc)

max

Axial Lead Battery Strap Type > ST Series

POLYFUSE

100

(A)

max

max.

(W)

2.5

2.9

1.2

1.9

Revised: June 4, 2010

max

)

Current

121

20.00

Maximum Time

10.00

Resettable PTCs

6.00

8.75

(A)

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

and ﬂame.

typ

1max

Description

The new ST Series device provides reliable, noncycling

protection against overcharging and short circuits events

for rechargeable battery cells where resettable protection

is desired.

Features

• RoHS compliant and

• Weldable Nickel terminals

Applications

• Rechargeable battery cell

To Trip

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

lead–free

protection

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

soldering of 260°C for 20 sec.

(Sec.)

Time

5.00

4.00

3.00

6.00

0.085

0.050

0.017

0.012

0.030

(Ω)

min

Resistance

0.160

0.090

0.031

0.024

0.060

(Ω)

typ

• Low resistance

• Provides overcurrent

protection at 125°C trip

temperature

0.220

0.120

0.050

0.040

0.100

(Ω)

1max

Approvals

Agency

ST Series

Related parts for 15ST175U

15ST175U Summary of contents

Page 1

ST Series Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50119583 Electrical Characteristics Part Number hold trip max (A) (A) (Vdc) 15ST120 1.2 2.7 15 15ST120S 1.2 2.7 15 15ST175 1.75 3.8 15 15ST175S 1.75 3.8 15 30ST200 ...

Page 2

POLYFUSE Axial Lead Battery Strap Type > ST Series Temperature Rerating -40°C -20°C Part Number 15ST120 1.90 1.70 15ST120S 1.90 1.70 15ST175 2.50 2.30 15ST175S 2.50 2.30 30ST200 3.20 2.80 30ST350 5.40 4.80 30ST420 6.40 5.70 Average Time Current Curves ...

Page 3

Physical Speciﬁcations 0.13mm nominal thickness, Lead Material quarter-hard Nickel Insulating Material Polyester tape Dimensions Figure Part Fig. Inches mm Number Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. 15ST120 1 0.78 ...

Page 4

... Hold Current in Amps) SERIES VOLTAGE RATING (VDC) Packaging Part Ordering I hold I Number Number (A) 15ST120 15ST120U 1.2 15ST120S 15ST120SU 1.2 15ST175 15ST175U 1.75 15ST175S 15ST175SU 1.75 30ST200 STD200U 2.00 30ST350 STD350U 3.50 30ST420 STD420U 4.20 ST Series ® Resettable PTCs Packaging Code ...

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