VBUS052BD-HTF

www.vishay.com

Vishay Semiconductors

Rev. 1.7, 03-May-17

2

Document Number: 81788

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

APPLICATION NOTE

The VBUS052BD-HTF is a two-line ESD protection device with the characteristic of a Z-diode with a high ESD immunity and a

very low capacitance which makes it usable for high frequency applications like USB2.0 or HDMI.



With the VBUS052BD-HTF two high speed data lines can be protected against transient voltage signals like ESD (electro static

discharge). Connected to the data line (pin 1 and 2) and to ground (pin 3) negative transients will be clamped close below the

ground level while positive transients will be clamped close above the 5 V working range. The clamping behavior of the

VBUS052BD-HTF is bidirectional but asymmetrical (BiAs) and so it offers the best protection for applications running up to 5 V.

Note

• Ratings at 25 °C, ambient temperature unless otherwise specified

TYPICAL CHARACTERISTICS

Fig. 1 - ESD Discharge Current Wave Form

acc. IEC 61000-4-2 (330

/150 pF)

Fig. 2 - 8/20 μs Peak Pulse Current Wave Form

acc. IEC 61000-4-5

ELECTRICAL CHARACTERISTICS VBUS052BD-HTF

PARAMETER

TEST CONDITIONS/REMARKS

SYMBOL

MIN.

TYP.

MAX.

UNIT

Protection paths

Number of lines which can be protected

-

-

2

lines

Reverse stand-off voltage

--

5

V

Reverse current

-

< 0.01

0.1

μA

Reverse breakdown voltage

6.9

7.9

8.7

V

Reverse clamping voltage

pin 1 or pin 2 to pin 3

--

16

V

Forward clamping voltage

pin 3 to pin 1 or pin 2

-4.8

6

V

Capacitance

-1.5

2.5

pF

0 %

20 %

40 %

60 %

80 %

100 %

120 %

-10 0 10203040 50607080 90 100

Time (ns)

Rise time = 0.7 ns to 1 ns

53 %

27 %

20557

0 %

20 %

40 %

60 %

80 %

100 %

010

20

30

40

Time (µs)

20 µs to 50 %

8 µs to 100 %

20548

0.0

0.5

1.5

2.0

2.5

0123456

V

20942

f = 1 MHz

1.0

0.001

0.01

0.1

1

10

100

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

V

20943