Littelfuse LC03-3.3 Series Manuel d'utilisateur télécharger pdf (Page 3)

Speciﬁcations are subject to change without notice.

Revised: 04/24/13

TVS Diode Arrays (SPA

Diodes)

Lightning Surge Protection - LC03-3.3 Series

Figure 4: Clamping Voltage vs. Peak Pulse Current

Figure 6: Forward Voltage vs. Forward Current

Figure 3: Pulse Waveform

Figure 5: Capacitance vs. Reverse Voltage

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

110%

0.0 5.0 10.0 15.0 20.0 25.0 30.0

Time (μs)

Percent of I

Line to Ground

Line to Line

0.00.5 1.01.5 2.02.5 3.0

Capacitance (pF)

Bias Voltage (V)

Line to Line

Line to Ground

0102030405060708090 100

Clamp Voltage-V

(V)

Peak Pulse Current-I

(A)

0102030405060708090 100

Forward Current (A)

Forward Voltage (V)

Ground-to-Line

Time

Temperature

S(max)

S(min)

time to peak temperature

Preheat

rehea

Ramp-up

amp-up

Ramp-down

amp-d

Critical Zone

L to TP

ritical Zon

Reﬂow Condition Pb – Free assembly

Pre Heat

- Temperature Min (T

s(min)

) 150°C

- Temperature Max (T

s(max)

) 200°C

- Time (min to max) (t

) 60 – 180 secs

Average ramp up rate (Liquidus) Temp

) to peak

3°C/second max

S(max)

to T

- Ramp-up Rate 3°C/second max

Reﬂow

- Temperature (T

) (Liquidus) 217°C

- Temperature (t

) 60 – 150 seconds

Peak Temperature (T

) 260

+0/-5

°C

Time within 5°C of actual peak

Temperature (t

)

20 – 40 seconds

Ramp-down Rate 6°C/second max

Time 25°C to peak Temperature (T

) 8 minutes Max.

Do not exceed 260°C

Soldering Parameters

1 2 3 4

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Littelfuse LC03-3.3 Series Manuel d'utilisateur Page 3

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