050915

WebSite

Europe

Tel: +49 2302 662-107

Americas

Tel: +1 404 699-7820

Asia

Tel: +852 26 14-1108

China

Tel: +86 21 6432 5146

www.wickmanngroup.com E-mail: sales@wickmann.com

E-mail: service@wickmannusa.com

E-mail: sales@wickmann.com.hk

E-mail: sales@wickmann.cn

Order

Qty.

Order-

Type

ype

ype T

Terminal Code Packaging

erminal Code Packaging

Information

Number

WT1812ML140 A

P T

VV
VV
V

ARISTORS

TVS 1812 SMD

Specifications

Packaging

Tape and Reel

7 inch reel (1.000 pcs.)

Material

Body:

Ceramic (ZnO)

Terminals:

Ni/Sn plated (code "P")

Ag/Pt/Pd non plated

(code "N" on request)

Operating T

Operating Temperature

emperature

-55 to +125癈

Solderability

acc. to IEC 60068-2-58

235癈, 2s

Soldering Heat Resistance

260篊, 10 sec. (IEC 60068-2-58)

280篊, 5 sec. (IEC 60068-2-58)

Response T

Response Time

ime

<0.5ns

TT
TT
Temperature

emperature

emperature cccccoefficient (

oefficient (

oefficient (V) of

V) of

V) of ccccclamping

lamping

vv
vv
voltage (Vc) @ specified test current

oltage (Vc) @ specified test current

<0.01%/癈

Power dissipation

0.3W max.

Standards

IEC 61000-4-2

MIL-STD-883C

Multilayer Ceramic T

Multilayer Ceramic Transient

ransient

VV
VV
Voltage Suppressor

oltage Suppressor

Standard Capacity

Features

Thin layer, high precise techniques

Lead free

Bi-directional clamping

Standard and low capacity

Available with Nickel/Tin end termination

Applications

Circuit board and ESD, EFT

Protection of:

� I/O ports

� Keyboards

� LCD`s

� Sensors

WebLinks

ebLinks

Further infos see:

www.wickmanngroup.com

Further technical infos see technical

varistor file:

www.wickmanngroup.com/download/

techvaristor.pdf

Specifications are subject

to change without notice

4.50�0.35

3.20�0.30

1.80

0.50�0.25

typ.

inductance

max. cont.

working

voltage

max.

non-repetitive

surge current

(8/20 祍)

Type

max. non-repetitive

surge energy

(10/1000 祍)

max. clamping

voltage at spec.

current

(8/20 祍)

nominal voltage

at 1mA (DC)

test current

typ.

capacitance

WT1812ML050A

WT1812ML090A

WT1812ML120A

WT1812ML140A

WT1812ML180A

WT1812ML220A

WT1812ML260A

WT1812ML300A

WT1812ML380A

WT1812ML450A

WT1812ML560A

WT1812ML680A

WT1812ML850A

M(AC)

(V)

4,0

6,0

9,0

11,0

14,0

17,0

20,0

25,0

30,0

35,0

40,0

50,0

60,0

M(DC)

(V)

5,5

9,0

12,0

14,0

18,0

22,0

26,0

30,0

38,0

45,0

56,0

68,0

85,0

(A)

500

800

500

400

(J)

0,8

1,0

1,8

2,0

2,3

2,5

3,0

3,6

4,2

4,5

4,8

4,5

5,8

(V@A)

15,5 @ 10

25,0 @ 10

30,0 @ 10

33,0 @ 10

38,0 @ 10

44,0 @ 10

54,0 @ 10

65,0 @ 10

77,0 @ 10

90,0 @ 10

110,0 @ 10

135,0 @ 10

165,0 @ 10

N(DC)min.

(V)

7,1

10,0

14,0

16,0

22,0

24,3

29,5

35,0

42,3

50,0

61,2

74,0

91,0

N(DC)max.

(V)

9,8

14,5

18,5

21,0

28,0

30,0

38,0

43,0

51,7

61,0

74,0

90,0

115,0

1KHz

typ.

(pF)

12900

7100

6500

4410

4000

3670

2670

2320

1960

1370

950

590

530

typ.

(nH)

2,5

Maximum Ratings (125癈)

Specifications (25癈)

1MHz

typ.

(pF)

11200

6070

5260

3940

3500

2990

2320

1890

1680

1150

730

500

450

This product is not recommended

for new designs. Please refer to

Littelfuse series MLA.

Dimensions (mm)

WebSite

Europe

Tel: +49 2302 662-107

Americas

Tel: +1 404 699-7820

Asia

Tel: +852 26 14-1108

China

Tel: +86 21 6432 5146

www.wickmanngroup.com E-mail: sales@wickmann.com

E-mail: service@wickmannusa.com

E-mail: sales@wickmann.com.hk

E-mail: sales@wickmann.cn

050915

V/I Characteristics

85,0

22,0

26,0

30,0

38,0

45,0

56,0

68,0

5,5

14,0

9,0

12,0

18,0

85,0

22,0

26,0

30,0

38,0

45,0

56,0

68,0

5,5

14,0

9,0

12,0

18,0

WT1812ML850A
WT1812ML680A
WT1812ML560A
WT1812ML450A
WT1812ML380A
WT1812ML300A
WT1812ML260A
WT1812ML220A
WT1812ML180A
WT1812ML140A
WT1812ML120A
WT1812ML090A
WT1812ML050A

Maximum Surge Current: WT1812ML050A - WT1812ML090A, WT1812ML560A

VV
VV
V

ARISTORS

TVS 1812 SMD

协谢械泻褌褉芯薪薪褘泄 泻芯屑锌芯薪械薪褌: WT1812ML450A

协谢械泻褌褉芯薪薪褘泄泻芯屑锌芯薪械薪褌: WT1812ML450A