1.3

Electrical characteristics

Figure 2. Electrical characteristics - parameter definitions

Maximum stand-off voltage

VRM

Maximum leakage current at VRM

IRM

Breakdownvoltage at IBR

VBR

Breakdown current

IBR

Clamping voltage at IPP

VCL

Peak pulse current

IPP

Forward voltage drop at IF

VF

Forward current

IF

Dynamic resistance

RD

Voltage temperature coefficient

αT

IPP

I

I

IBR

IRM

VF

IF

VRMVBR

VCL

V

V

Table 3. Electrical characteristics - parameter values (Tamb = 25 °C, unless otherwise specified)

Type

IRM at VRM

VBR at IBR

8 / 20 µs(1)(2)

TLP

100 ns

CL

αT(1)(3)

VF at

IF

VCL(4)

IPP

RD

VCL

at

16 A

Max.

Min. Typ. Max.

Max.

Max. Typ.

Typ.

Typ. Max.

Max.

Max.

µA

V

V

V

V

mA

V

A

Ω

V

pF

pF

10-4/ °C

V

mA

ESDA14WY

0.05

12

14.2 15.4

16.8

1

23

13

0.41

17.5

125

150

8.7

1.2

200

ESDA18WY

0.05

16

18

19.3

20.5

1

27.7

11

0.61

21.7

95

120

8.7

1.2

200

1. Specified by design – not tested in production.

2. Measured from pin 1 to 3 or pin 2 to pin 3, in accordance with IEC 61000-4-5 (8/20 µs current waveform).

3. To calculate VBR or VCL versus junction temperature, use the following formulas:

•

VBR at TJ = VBR at 25 °C x (1 + αT x (TJ - 25))

•

VCL at TJ = VCL at 25 °C x (1 + αT x (TJ - 25)).

4. To calculate maximum clamping voltage at other surge level, use the following formula:

•

VCL max = VBR max + RD x IPPappli

Where IPPappli is the surge current in the application.

ESDAxxWY

Characteristics

DS14779 - Rev 1

page 3/13