SMM4F12AVCL datasheet(3/7 Pages) STMICROELECTRONICS

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SMM4F12AVCL

Characteristics

Doc ID 022220 Rev 1

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Figure 5.

Clamping voltage versus peak pulse current (exponential waveform, maximum

values)

Table 3.

Electrical characteristics - parameter values (Tamb = 25 °C)

(1)

Type

IRM max@VRM

VBR @IR

(2)

VCL @IPP

10/1000 µs

(3)

10/1000 µs

VCL @IPP

8/20 µs

(3)

8/20 µs

αT(4)

25 °C 85 °C

min

typ

max

µA

10-4/°C

SMM4F12AVCL

0.2

13.5

14.3

0.3

22.9 100

0.09

8.3

Surge capability given for both directions

Pulse test: tp <50ms.

To calculate maximum clamping voltage at other surge currents, use the following formula VCLmax = RD x IPP + VBRmax

To calculate VBR versus junction temperature, use the following formula: VBR @ Tj = VBR @ 25 °C x (1 + αT x (Tj - 25))

Figure 3.

Peak power dissipation versus

initial junction temperature

Figure 4.

Peak pulse power versus

exponential pulse duration

(Tj initial = 25 °C)

PPP[Tj initial] / P P

P [Tjinitial =2 5 °C]

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

100

125

150

175

200

10/1000 µs

(°C)

j initial

(kW)

0.1

1.0

10.0

1.E-03

1.E-02

1.E-01

1.E+00

1.E+01

Tj initial = 25 °C

t (ms)

IPP(A)

0.1

1.0

10.0

100.0

1000.0

Tj initial=25 °C

tp = 8/20us µs

tp = 10/1000 µs

VCL(V)

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