LVR055S-2_技术文档

PolySwitch Resettable Devices

Line-Voltage-Rated Devices

PolySwitch LVR devices help protect electric motors and

transformers used in commercial and home appliances

from damage caused by mechanical overloads,

overheating, stall, lost neutral and other potentially

harmful conditions.

The LVR line-voltage product line of polymeric positive

temperature coefficient (PPTC) devices includes

components that are rated for line voltages of 120V_AC

and 240V_AC, for up to 2A of operating current at 20°C.

They help protect against damage caused by both

overcurrent surges and overtemperature faults, offer low

resistance, and are compatibly sized with fuse solutions.

Unlike traditional fuses, PolySwitch devices do not

require replacement after a fault event. After power has

been removed and the overcurrent condition eliminated,

the circuit is restored to normal operating condition.

Compared to bimetal breakers, they offer greater

flexibility, longer lifespan, and lower electromagnetic

interference (EMI).

The PolySwitch LVR devices’ resettable functionality and latching attributes make them a reliable, cost-effective

circuit protection solution for both intermittent- and continuous-operation motor applications. Their low resistance,

fast time-to-trip, and low profile help circuit designers provide a safe and dependable product, comply with

regulatory agency requirements, and reduce warranty repair costs.

LVR/LVRL series are suitable for line-voltage applications up to a continuous operating voltage of 240V_AC/120V_AC

.

RoHS versions of all products are available.

Benefits

Features

• Many product choices give engineers more design

flexibility

• RoHS compliant

• Broadest range of radial-leaded resettable devices

available in the industry

• Compatible with high-volume electronics assembly

• Assist in meeting regulatory requirements

• Current ratings from 50mA to 2A

• Line voltage rating of 120V_ACand 240V_AC

• Agency recognition : UL, CSA, TÜV

• Fast time-to-trip

• Higher voltage ratings allow use in new applications

10

• Low resistance

Applications

• Electromagnetic loads

• Game machines

• Industrial controls

• Lighting ballast

• Loudspeakers

• Medical equipment

• Motors, fans and blowers

• POS equipment

• Security and fire alarm systems

• Test and measurement equipment

• Transformers

• Satellite video receivers

• USB hubs, ports and peripherals

139

Table L1 Product Series - Current Rating, Voltage Rating / Typical Resistance for LVR Devices

LVR

LVRL

Voltage Rating

Hold Current (A)

0.050

240V_AC/ 120V_AC

120V_AC

25.00Ω

9.800Ω

4.800Ω

3.400Ω

1.700Ω

1.000Ω

0.800Ω

0.590Ω

0.400Ω

0.276Ω

0.209Ω

—

0.080

0.120

—

0.160

—

0.250

—

0.330

—

0.400

—

0.550

—

0.750

0.325Ω

0.224Ω

0.148Ω

0.138Ω

0.097Ω

1.000

1.250

1.350

2.000

0.110Ω

Table L2 Thermal Derating for LVR Devices [Hold Current (A) at Ambient Temperature (°C)]

Maximum AmbientTemperature

Part Number

LVR/LVRL

LVR005N

LVR008N

LVR012

-20°C

0°C

20°C

25°C

40°C

50°C

60°C

70°C

85°C

0.08

0.12

0.18

0.24

0.38

0.50

0.61

0.80

1.23

1.65

2.06

3.30

1.08

1.40

1.80

2.00

3.05

0.06

0.10

0.15

0.20

0.32

0.42

0.51

0.68

0.98

1.30

1.63

2.60

0.93

1.19

1.53

1.65

2.55

0.05

0.08

0.12

0.16

0.25

0.33

0.40

0.55

0.75

1.00

1.25

2.00

0.75

1.00

1.25

1.35

2.00

0.05

0.08

0.12

0.16

0.25

0.33

0.40

0.54

0.74

0.94

1.20

1.97

0.74

0.94

1.20

1.29

1.97

0.04

0.07

0.10

0.13

0.21

0.27

0.33

0.46

0.60

0.80

1.00

1.60

0.64

0.82

1.04

1.12

1.72

0.04

0.06

0.09

0.11

0.18

0.23

0.28

0.40

0.56

0.75

0.94

1.50

0.57

0.73

0.94

1.01

1.55

0.03

0.05

0.07

0.10

0.15

0.20

0.24

0.35

0.49

0.65

0.81

1.30

0.51

0.65

0.83

0.90

1.39

0.03

0.04

0.06

0.08

0.13

0.17

0.20

0.29

0.45

0.60

0.75

1.20

0.44

0.57

0.73

0.78

1.22

0.02

0.03

0.04

0.05

0.09

0.11

0.14

0.22

0.41

0.55

0.69

1.10

0.35

0.45

0.60

0.65

0.98

LVR016

LVR025

LVR033

LVR040

LVR055

LVR075

LVR100

LVR125

LVR200

LVRL075

LVRL100

LVRL125

LVRL135

LVRL200

Figure L1 Thermal Derating Curve for LVR Devices

Figure L1

10

A

B

C

=

LVR075-LVR200

LVRL075-LVRL200

LVR005N-LVR055

180

170

160

150

140

130

120

110

100

90

A

B

C

80

70

60

A

50

C

B

40

30

-30

-20

-10

0

10

20

30

40

50

60

70

80

90

AmbientTemperature (˚C)

140

RoHS Compliant, ELV Compliant

Table L3 Electrical Characteristics for LVR Devices*

†

V_MAX

Operating

I_MAX

Interrupt P_DTyp

Part

I_H

I_T

Interrupt

Max.Time-to-trip

R_MIN

R_MAX

R_1MAX

Lead Size

Number

(A)

(V_AC

)

(V_AC

)

(A)

(W)

(A)

(s)

(Ω)

[mm (AWG)]

LVR/LVRL

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

240

120

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

265

135

1.0

20.0

1.0

LVR005NK

0.05

0.08

0.12

0.16

0.25

0.33

0.40

0.55

0.12

0.19

0.30

0.37

0.56

0.74

0.90

1.25

0.9

1.0

1.4

1.5

1.7

2.0

3.4

0.25

0.40

0.60

0.80

1.25

1.65

2.00

2.75

10.0

15.0

18.5

21.0

24.0

26.0

18.500

7.400

3.000

2.500

1.300

0.770

0.600

0.450

31.000

12.000

6.500

4.100

2.100

1.240

0.970

0.730

65.000

26.000

12.000

7.800

3.800

2.600

1.900

1.450

[0.51mm(24)]

[0.64mm(22)]

[0.81mm(20)]

LVR005NS

LVR008NK

LVR008NS

LVR012K

LVR012S

LVR016K

LVR016S

LVR025K

LVR025S

LVR033K

LVR033S

LVR040K

LVR040S

LVR055K

LVR055S

20.0

1.2

20.0

1.2

20.0

1.2

20.0

1.2

20.0

2.0

20.0

2.0

20.0

3.5

20.0

3.5

20.0

4.5

20.0

4.5

20.0

5.5

20.0

5.5

20.0

7.0

20.0

7.0

20.0

7.5

LVR075S

LVR100S

LVR125S

LVR200S

LVRL075S

LVRL100S

LVRL125S

LVRL135S

LVRL200S

0.75

1.00

1.25

2.00

0.75

1.00

1.25

1.35

2.00

1.50

2.00

2.50

4.00

1.52

2.00

2.50

2.70

4.20

2.6

2.9

3.3

4.5

1.8

2.2

2.0

2.8

3.9

3.75

5.00

6.25

10.00

3.75

5.00

6.25

6.75

10.00

18.0

21.0

23.0

28.0

14.0

13.6

18.0

20.0

36.0

0.316

0.218

0.165

0.089

0.250

0.179

0.117

0.109

0.075

0.483

0.334

0.253

0.131

0.400

0.269

0.179

0.167

0.117

0.839

0.580

0.440

0.221

0.690

0.470

0.320

0.300

0.205

[0.81mm(20)]

10.0

12.5

20.0

7.5

10.0

12.5

13.5

20.0

10

Notes:

I_H

I_T

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

: Trip current: minimum current that will switch the device from low resistance to high resistance in 20°C still air.

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

V_MAXInterrupt : Under specified conditions this is the highest voltage that can be applied to the device at the maximum interrupt current.

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

P_D

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

: Minimum resistance of device as supplied at 20°C unless otherwise specified.

: Maximum resistance of device as supplied at 20°C unless otherwise specified.

R_MIN

R_MAX

R_1MAX

:

Maximum resistance of device when measured one hour post trip at 20°C unless otherwise specified.

* Electrical characteristics determined at 20°C.

† See Application Limitations on next page.

141

RoHS Compliant, ELV Compliant

Warning : Application Limitations for the LVR Product Line

1) Users should independently evaluate the suitability of and test each product selected for their own application.

2) This product should not be used in an application where the maximum interrupt voltage or maximum interrupt current can be exceeded

in a fault condition. Operation beyond the maximum ratings or improper use may result in device damage and possible electrical arcing

and flame.

3) A PPTC device is not a fuse - it is a nonlinear thermistor that limits current. Under a fault condition all PPTC devices go into a high resistance

state but do not open circuit, so hazardous voltage may be present at PPTC locations.

4) The devices are intended for protection against damage caused by occasional overcurrent or overtemperature fault conditions and should

not be used when repeated fault conditions or prolonged trip events are anticipated.

5) In most applications power must be removed and the fault condition cleared in order to reset a PPTC device; however under certain

unusual conditions, a PPTC device may automatically reset. PPTC devices should not be used in an application where an automatic reset

could create a safety hazard, such as garbage disposals and blenders. Appropriate qualification testing should be performed.

6) It is the responsibility of the user to determine the need for back up or failsafe protection to prevent damage that may occur in the event

of abnormal function or failure of the PPTC device.

7) Operation in circuits with a large inductance can generate a circuit voltage (Ldi/dt) above the rated voltage of a PPTC device.This product should

not be used in an application where the maximum interrupt voltage or maximum interrupt current can be exceeded by inductive spikes.

8) Devices are not recommended for reflow soldering.

9) Device performance can be impacted negatively if devices are handled in a manner inconsistent with recommended electronic, thermal,

or mechanical procedures for electronic components.

10) PPTC devices are not recommended for installation in applications where the device is constrained such that its PTC properties are

inhibited, for example in rigid potting materials or in rigid housings, which lack adequate clearance to accommodate device expansion.

11) Contamination of the PPTC material with certain silicone-based oils or some aggressive solvents can adversely impact the performance

of the devices.

Figure L2-L5 Dimension Figures for LVR Devices

Figure L2

Figure L3

A

E

A

E

B

D

B

D

C

to

C

L

to

C

L

Figure L4

Figure L5

10

A

E

A

E

B

D

B

D

C

to

C

to

C

L

C

L

142

RoHS Compliant, ELV Compliant

Table L4 Dimensions for LVR Devices in Millimeters (Inches)

A

B

C

D

E

Part Number

LVR/LVRL

Min. Max.

Figure

LVR005NK

—

6.9

(0.27)

6.9

—

12.1

(0.48)

9.9

4.3

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.1 6.1

5.8

7.6

(0.30)

7.6

—

4.6

(0.18)

4.6

L2

L4

L2

L4

L2

L4

L2

L4

L3

L5

L3

L5

L3

L5

L3

L5

L4

L5

LVR005NS

LVR008NK

LVR008NS

LVR012K

LVR012S

LVR016K

LVR016S

LVR025K

LVR025S

LVR033K

LVR033S

LVR040K

LVR040S

LVR055K

LVR055S

LVR075S

LVR100S

LVR125S

LVR200S

LVRL075S

LVRL100S

LVRL125S

LVRL135S

LVRL200S

(0.27)

7.2

(0.39)

12.4

(0.30)

7.6

(0.18)

4.6

(0.28)

7.2

(0.49)

10.2

(0.30)

7.6

(0.18)

4.6

(0.28)

8.3

(0.40)

12.9

(0.30)

7.6

(0.18)

3.8

(0.33)

8.3

(0.51)

10.7

(0.30)

7.6

(0.15)

3.8

(0.33)

9.9

(0.43)

13.8

(0.30)

7.6

(0.15)

3.8

(0.39)

9.9

(0.54)

12.5

(0.30)

7.6

(0.15)

3.8

(0.39)

9.6

(0.50)

18.8

(0.30)

7.6

(0.15)

3.8

(0.38)

9.6

(0.74)

17.4

(0.30)

7.6

(0.15)

3.8

(0.38)

11.4

(0.45)

11.4

(0.45)

11.5

(0.46)

11.5

(0.46)

14.0

(0.55)

14.0

(0.55)

11.5

(0.45)

18.7

(0.74)

21.2

(0.84)

24.9

(0.98)

10.9

(0.43)

11.5

(0.45)

14.0

(0.55)

16.3

(0.64)

23.5

(0.93)

(0.69)

19.0

(0.30)

7.6

(0.15)

3.8

(0.75)

16.5

(0.30)

7.6

(0.15)

3.8

(0.65)

20.9

(0.30)

7.6

(0.15)

3.8

(0.82)

19.5

(0.30)

7.6

(0.15)

3.8

(0.77)

22.4

(0.30)

7.6

(0.15)

4.1

(0.88)

21.7

(0.30)

7.6

(0.16)

4.1

(0.85)

23.4

(0.30)

5.1

(0.16)

4.8

(0.92)

24.4

(0.16) (0.24)

8.9 11.4

(0.20)

5.1

(0.19)

5.1

(0.96)

27.4

(0.35) (0.45)

8.9 11.4

(0.20)

5.1

(0.20)

5.3

(1.08)

33.8

(0.35) (0.45)

8.9 11.4

(0.20)

5.1

(0.21)

6.1

(1.33)

17.0

(0.35) (0.45)

(0.20)

7.6

(0.24)

4.1

4.3

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

(0.17) (0.23)

4.3 5.8

5.8

(0.67)

20.1

(0.30)

7.6

(0.16)

4.1

10

(0.79)

21.7

(0.30)

7.6

(0.16)

4.1

(0.85)

21.7

(0.30)

7.6

(0.16)

4.1

(0.85)

31.8

(0.17) (0.23)

9.4 10.9

(0.30)

7.6

(0.16)

4.1

(1.25)

(0.37) (0.43)

(0.30)

(0.16)

143

RoHS Compliant, ELV Compliant

Figure L6 Typical Time-to-trip curves at 20°C for LVR Devices

Figure L6

LVR/LVRL

A

B

C

D

E

F

G

H

I

=

LVR005N

LVR008N

LVR012

LVR016

LVR025

LVR033

LVR040

LVR055

LVRL075

LVR075

K

L

=

LVRL100

LVR100

1000

100

10

M = LVRL125

LVR125

O = LVRL135

LVRL200

Q = LVR200

L

Q

N

K

M

N

=

J

O

E

F

G

B

P

C

H

A

P

=

I

D

N

Q

P

J

O

L

K

M

H

G

J

I

1

D

B

F

A

C

E

0.1

1

10

100

Fault Current (A)

Table L5 Physical Characteristics and Environmental Specifications for LVR Devices

LVR/LVRL

Physical Characteristics

Lead material

LVR005N-016 : Tin-plated copper, (24AWG), ø0.51mm (0.020in.)

LVR025-040 : Tin-plated copper, (22AWG), ø0.64mm (0.025in.)

LVR055-200 : Tin-plated copper, (20AWG), ø0.81mm (0.032in.)

LVRL

: Tin-plated copper, (20AWG), ø0.81mm (0.032in.)

Soldering characteristics

Solder heat withstand

Insulating material

Solderability per ANSI/J-STD-002 Category 3

Per IEC-STD 68-2-20, Test Tb, Method 1A, Condition B, can withstand 10 seconds at 260°C 5°C

LVR005N-055 : Cured, flame-retardant epoxy polymer, meets UL 94V-0

LVR075-200 : Cured, flame-retardant modified silicone, meets UL 94V-0

LVRL

: Cured, flame-retardant epoxy polymer, meets UL 94V-0

Note: Devices are not designed to be placed through a reflow process.

Environmental Specifications

Test

Conditions

Resistance Change

Passive aging

70°C, 1000 hours

10%

85°C, 1000 hours

10

Humidity aging

Thermal shock

85°C, 85%RH, 1000 hours

85°C, -40°C (10 times)

MIL-STD-202, Method 215F

20%

15%

Solvent resistance

No change

Agency Recognitions for LVR Devices

UL

File # E74889

CSA

TÜV

File # CA78165

Certificate number available on request (per IEC 60730-1).

144

RoHS Compliant, ELV Compliant

Table L6 Packaging and Marking Information for LVR Devices

Bag

Quantity

Tape & Reel

Quantity

Ammo Pack

Quantity

Standard Package

Quantity

Part Number

LVR/LVRL

Part Marking

Agency Recognition

LVR005NK

LVR005NK-2

LVR005NS

LVR005NS-2

LVR008NK

LVR008NK-2

LVR008NS

LVR008NS-2

LVR012K

500

—

1,500

—

10,000

7,500

L005

L008

L012

L016

L025

L033

L040

L055

L075

L100

L125

L200

L075

L100

L125

L135

L200

UL,CSA, TÜV

500

—

10,000

7,500

1,500

—

500

—

10,000

7,500

1,500

—

500

—

10,000

7,500

1,500

—

500

—

10,000

5,000

LVR012K-2

LVR012S

2,000

—

500

—

LVR012S-2

LVR016K

2,000

—

500

—

LVR016K-2

LVR016S

2,000

—

500

—

LVR016S-2

LVR025K

2,000

—

500

—

LVR025K-2

LVR025S

2,000

—

500

—

LVR025S-2

LVR033K

2,000

—

500

—

LVR033K-2

LVR033S

2,000

—

500

—

LVR033S-2

LVR040K

2,000

—

500

—

LVR040K-2

LVR040S

2,000

—

500

—

LVR040S-2

LVR055K

2,000

—

500

—

LVR055S

—

LVR055S-2

LVR075S

1,000

—

500

250

500

250

10,000

5,000

LVR100S

—

LVR125S

—

5,000

LVR200S

—

5,000

LVRL075S

LVRL100S

LVRL125S

LVRL135S

LVRL200S

—

10,000

5,000

—

10

—

145

RoHS Compliant, ELV Compliant

Table L7 Tape and Reel Specifications for LVR Devices

LVR devices are available in tape and reel packaging per EIA468-B/IEC60286-2 standards.

See Figures L7 and L8 for details.

Description

EIA Mark

W

W₄

W₆

W₅

D₀

H

Dimension (mm)

Tolerance

-0.5/+1.0

Minimum

Maximum

-0.5/+0.75

0.2

Carrier tape width

18

11

Hold-down tape width

Top distance between tape edges

Sprocket hole position

3

9

Sprocket hole diameter

4

Abscissa to plane (straight lead) (LVR005N to LVR016)

Abscissa to plane (kinked lead) (LVR005N to LVR016)

Abscissa to top (LVR005N to LVR016)

Abscissa to top* (LVR025 to LVR055)

Overall width with lead protrusion (LVR005N to LVR016)

Overall width with lead protrusion (LVR025 to LVR055)

Overall width without lead protrusion (LVR005N to LVR016)

Overall width without lead protrusion (LVR025 to LVR055)

Lead protrusion

18.5

16.0

32.2

45.0

43.2

56.0

42.5

56.0

1.0

2.5

H₀

H₁

C₁

C₂

L₁

0.5

Maximum

—

Protrusion of cut-out

L

11.0

Not specified

12.7

25.4

20 consecutive

0.9

Protrusion beyond hold-down tape

Sprocket hole pitch

I₂

P₀

—

t

0.3

Device pitch (LVR005N to LVR040)

Device pitch (LVR055)

0.3

0.6

Pitch tolerance

1

Tape thickness

Maximum

0.3

Overall tape and lead thickness (LVR005N to LVR040)

Overall tape and lead thickness (LVR055)

Splice sprocket hole alignment

Body lateral deviation

t₁

1.5

t₁

2.3

—

⌬h

⌬p

P₁

F

0

1.0

Body tape plane deviation

0

1.3

Ordinate to adjacent component lead

Lead spacing*

3.81

5.08

56.0

63.5

370.0

48.0

55.0

26.0

91.0

64/372/362

None

0.1%

0.7

+0.75/-0.5

Maximum

12.0

Reel width (LVR005N to LVR040)

Reel width* (LVR055)

w₂

a

Reel diameter

Space between flanges* (LVR005N to LVR040)

Space between flanges* (LVR055)

Arbor hold diameter

w₁

c

Core diameter*

n

Maximum

—

Box

—

Consecutive missing places

Empty places per reel

Maximum

10

*Differs from EIA specification.

146

RoHS Compliant, ELV Compliant

Figure L7 EIA Referenced Taped Component Dimensions for LVR Devices

⌬p

⌬h

Reference plane

F

H₁

P₁

C₂

C₁

H₁

H

H₀

A

B

L

W₅

W₄

W

I₂

L₁

Direction of unreeling

P₀

D₀

Cross section A-B

t

Figure L8 EIA Referenced Reel Dimensions for LVR Devices

Reel

Upper side

n

Type

Direction of

a

unreeling

Lower side

c

w₁

Cross section

w₂

Optional shape: Circular or polygonal

Part Numbering System for LVR Devices

LVR 075

S 2

Packaging

10

Blank = Packaged in bags

-1

-2

= 25.4mm (1.0 inch) minimum lead length

=Tape and reel

-X.X = Special lead cut length (inch)

Modifier

K

S

= Standard kinked lead

= Straight lead

Hold Current Indicator

Product Series

LVR = 240V rated

LVRL = 120V rated

147

RoHS Compliant, ELV Compliant

10

148


型号：	LVR055S-2
厂家：	TE CONNECTIVITY
描述：	PolySwitch Resettable Devices Line-Voltage-Rated Devices PolySwitch自复式元件线路电压等级的设备
文件：	总10页 (文件大小：202K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

LVR055S-2 [TE]

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