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自恢复保险丝 PPTC BLS300
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地区：广东 佛山市
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佛山市顺德区益昊电子有限公司

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300 specification

 

Features 

1Strap devices, Axial leaded, Low initial resistance

1Typical used for protection of NiCd/NiMH rechargeable battery packs,Li-ion /Polymer Li-ion battery

 

A

B

C

D

E

F

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

21.5

25.8

0.5

1.1

3.4

3.8

4.7

7.2

4.7

7.2

2.3

2.6

 

TABLE2:PERFORMANCE RANTINGS

IH

IT

Vmax

Imax

PD  TYP

Maximum Time  to Trip

Resistance(Ω)

(A)

(A)

(Vdc)

(A)

(W)

Current(A)

Time(Sec)

Rmin

Rmax

R1max

3.0

6.0

15

100

1.7

15.0

4.0

0.015

0.031

0.055

IH: Hold current: maximum current device will pass without interruption in 20℃still air

IT: Trip current: minimum current that will switch the device from low resistance to high resistance in 20℃still air

IMAX:Maximum current device can VMAXIMAX 100 cycles---NO arcing or burning.

Vmax: Maximum voltage device can withstand without damage at rated current.

Pd: Power dissipated from device when in the tripped state in 20℃still air

RMIN: Minimum resistance of device as supplied at 20℃unless otherwise specified.

RMAX: Maximum resistance of device as supplied at 20℃unless otherwise specified.

 

Thermal Derating Chart-IH(A)

Part

NO

Maximum ambient operating temperatures(℃)

-40

-20

0

20

25

40

50

60

70

80

85

300

5.1

4.4

3.7

3.0

2.82

2.3

1.9

1.6

1.2

0.9

0.7