V47MA2S datasheet(4/5 Pages) LITTELFUSE

Part #	V47MA2S

Description	Varistor Products - Axial Lead

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Manufacturer	LITTELFUSE [Littelfuse]

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Varistor Products

MA Varistor Series

FIGURE 3. CLAMPINGVOLTAGE FOR V18MA1A/S - V100MA4A/S

FI GURE 4. CLAMPINGVOLTAGE FOR V120MA1A/S -

V430MA3A

FIGURE 5. CLAMPINGVOLTAGE FOR V18MA1B - V100MA4B

FIGURE 6. CLAMPINGVOLTAGE FOR V120MA2B - V430MA7B

800

600

400

300

200

150

100

80

60

40

30

20

10-2

10-1

100

101

102

V100MA4A/S

V82MA3A/S

V68MA3A/S

V56MA2A/S

V39MA2A/S

V33MA1A/S

V27MA1A/S

V22MA1A/S

V18MA1A/S

PEAK AMPERES (A)

MAX CLAMPINGVOLTAGE

DISC SIZE 3mm

18 TO 100VN(DC) RATING

TA = -55

oC TO 85oC

V47MA2A/S

10-2

10-1

100

101

102

PEAK AMPERES (A)

MAX CLAMPINGVOLTAGE

DISC SIZE 3mm

120 TO 430VN(DC) RATING

TA = -55

oC TO 85oC

4,000

2,000

1,500

1,000

800

600

400

200

100

V430MA3A

V390MA3A

V330MA2A

V270MA2A

V220MA2A

V180MA1A

V150MA1A

V120MA1A/S

600

500

400

300

200

100

90

80

70

60

50

40

30

20

10-3

PEAK AMPERES (A)

10-2

10-1

100

101

102

103

V33MA1B

V27MA1B

V22MA1B

V100MA4B

V82MA3B

V68MA3B

V18MA1B

MAX CLAMPINGVOLTAGE

DISC SIZE 3mm

18 TO 100VN(DC) RATING

TA = -55

oC TO 85oC

V47MA2B

V56MA2B

V39MA2B

4,000

3,000

2,000

1,000

900

800

700

600

500

400

300

200

100

10-3

10-2

10-1

100

101

102

103

PEAK AMPERES (A)

V430MA7B

V390MA6B

V330MA5B

V270MA4B

V220MA4B

V180MA3B

V150MA2B

V120MA2B

MAXIMUM CLAMPINGVOLTAGE

DISC SIZE 3mm

120 TO 430VN(DC) RATING

TA = -55

oC TO 85oC

Transient V-I Characteristics Curves

FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM

100

90

50

10

O1

T

T1

T2

TIME

O1 = Virtual Origin of Wave

T = Time From 10% to 90% of Peak

T1 = Virtual Front time = 1.25 • t

T2 = Virtual Time to Half Value (Impulse Duration)

Example: For an 8/20µs Current Waveform:

8µs = T1 = Virtual Front Time

20µs = T2 = Virtual Time to Half Value

Axial Lead

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