Axial Lead Transient Voltage Suppressors (TVS)

Revision March 1,2022

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For technical questions, contact: tech@unsemi.com.tw

ROHS

Specifications are subject to change without notice.

Please refer to www.unsemi.com.tw for current information.

SAC Series

5.0 To 50V 500W Low Capacitance

2/4

Ratings and Characteristic Curves (TA=25°C unless otherwise noted)

Figure 3 - Pulse Waveform

Figure 4 - AC Line Protection Application

t - Time (ms)

10/1000µsec. Waveform

as defined by R.E.A

Half Value

IPPM (IPPM/2)

Peak Value

IPPM

TR=10µsec

TJ=25°C

Pulse Width(td) is defined

as the point Where the peak

current decays to 50% of IPPM

0

1.0

2.0

3.0

4.0

0

50

100

150

Low

Capacitance

TVS

Application Note: Device must be used with two

units in parallel, opposite in polarity as shown in

circuit for AC signal line protection.

Figure 2 - Pulse Derating Curve

Figure 1 - Peak Pulse Power Rating Curve

TL - Lead temperature(°C)

0

25

50

75

100

125

150

175

0

20

40

60

80

100

Power Dissipation

Peak Power (Single Pulse)

TJ=Initial Temperature

100

0.1

1

0.1

1

10

100

1000

10000

10

td

0.5

PPK

Impulse

Exponential

td

td=7tp

Half Sine

PPK

td

Square

Current Waveforms

PPK

TD - Pulse Width (μs)