ON SRDA05-4R2 Schematic [ru]

SRDA05-4R2

Low Capacitance Surface
Mount TVS for High-Speed
Data Interfaces

The SRDA05-4 transient voltage suppressor is designed to protect
equipment attached to high speed communication lines from ESD,
EFT, and lightning.

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Features

•SO-8 Package

•Peak Power - 500 Watts 8 x 20 mS

•ESD Rating:

IEC 61000-4-2 (ESD) 15 kV (air) 8 kV (contact)
IEC 61000-4-4 (EFT) 40 A (5/50 ns)
IEC 61000-4-5 (lightning) 23 (8/20 ms)

•UL Flammability Rating of 94 V-0

•Pb-Free Package is Available

Typical Applications

•High Speed Communication Line Protection

MAXIMUM RATINGS

Rating Symbol Value Unit

Peak Power Dissipation
8 x 20 mS @ T

Junction and Storage Temperature Range TJ, T

Lead Solder Temperature ­Maximum 10 Seconds Duration

Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.

1. Non-repetitive current pulse 8 x 20 mS exponential decay waveform

= 25°C (Note 1)

A

P

pk

stg

T

L

500 W

- 55 to +150 °C

260 °C

SO-8 LOW CAPACITANCE

VOLTAGE SUPPRESSOR

500 WATTS PEAK POWER

6 VOLTS

PIN CONFIGURATION

AND SCHEMATIC

I/O 1 1

REF 1 2

REF 1 3

I/O 2 4

8

1

MARKING DIAGRAM

8

SRDA5

AYWWG

G

1

8 REF 2

7 I/O 4

6 I/O 3

5 REF 2

SOIC-8

CASE 751

PLASTIC

© Semiconductor Components Industries, LLC, 2007

June, 2007 - Rev. 5

SRDA5 = Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = Pb-Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

Device Package

SRDA05-4R2 SO-8 2500/Tape & Reel

SRDA05-4R2G SO-8

(Pb-Free)

†For information on tape and reel specifications,

including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.

1 Publication Order Number:

Shipping

2500/Tape & Reel

SRDA05-4R2/D

†

SRDA05-4R2

ELECTRICAL CHARACTERISTICS

Characteristic Symbol Min Typ Max Unit

Reverse Breakdown Voltage @ It = 1.0 mA V

Reverse Leakage Current @ V

= 5.0 V I

RWN

Maximum Clamping Voltage @ IPP = 1.0 A, 8 x 20 mS

Maximum Clamping Voltage @ IPP = 10 A, 8 x 20 mS

BR

R

V

C

V

C

Between I/O Pins and Ground @ VR = 0 V, 1.0 MHz Capacitance - 10 15 pF

Between I/O Pins @ VR = 0 Volts, 1.0 MHz Capacitance - 5 8 pF

6.0 - - V

N/A - 10

N/A - 9.8 V

N/A - 12 V

mA

ELECTRICAL CHARACTERISTICS

(TA = 25°C unless otherwise noted)

UNIDIRECTIONAL (Circuit tied to Pins 1 and 3 or 2 and 3)

Symbol

I

PP

V

C

V

RWM

I

R

V

BR

I

T

QV

BR

I

F

V

F

Z

ZT

I

ZK

Z

ZK

Maximum Reverse Peak Pulse Current

Clamping Voltage @ I

Working Peak Reverse Voltage

Maximum Reverse Leakage Current @ V

Breakdown Voltage @ I

Test Current

Maximum Temperature Coefficient of V

Forward Current

Forward Voltage @ I

Maximum Zener Impedance @ I

Reverse Current

Maximum Zener Impedance @ I

Parameter

PP

RWM

T

BR

F

ZT

ZK

VCV

V

RWM

BR

Uni-Directional TVS

I

I

F

I

V

R

F

I

T

I

PP

V

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2

SRDA05-4R2

TYPICAL CHARACTERISTICS

9

8

7

6

5

4

3

2

, REVERSE BREAKDOWN (V)

Z

V

1

0

-100 0

-50

50 150

T, TEMPERATURE (°C)

100 200

Figure 1. Reverse Breakdown versus

Temperature

100

t

r

90

80

70

60

50

40

30

20

% OF PEAK PULSE CURRENT

10

0

0204060

PEAK VALUE I

t

P

@ 8 ms

RSM

PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 ms

HALF VALUE I

t, TIME (ms)

/2 @ 20 ms

RSM

Figure 3. 8 x 20 ms Pulse Waveform

80

8

7

6

5

4

3

2

, REVERSE LEAKAGE (mA)

R

I

1

0

-100 -50 50 100

0 150

T, TEMPERATURE (°C)

Figure 2. Reverse Leakage versus

Temperature

35

30

25

20

15

10

, CLAMPING VOLTAGE (V)

C

V

5

0

10 30 50 70 90

0204060

, PEAK PULSE CURRENT (A)

I

PP

Figure 4. Clamping Voltage versus Peak Pulse

Current

200

80

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