Littelfuse SP721ABTG, Hex-Element Bi-Directional TVS Diode Array, 8-Pin SOIC

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£4.06

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£4.88

(inc. VAT)

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RS Stock No.:
171-4325
Mfr. Part No.:
SP721ABTG
Brand:
Littelfuse
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Brand

Littelfuse

Direction Type

Bi-Directional

Diode Configuration

Array

Mounting Type

Surface Mount

Package Type

SOIC

Pin Count

8

Maximum Peak Pulse Current

±2A

ESD Protection

Yes

Number of Elements per Chip

6

Minimum Operating Temperature

-40 °C

Maximum Operating Temperature

+105 °C

Dimensions

5 x 4 x 1.5mm

Maximum Reverse Leakage Current

20µA

Test Current

1A

Length

5mm

Capacitance

3pF

Height

1.5mm

Width

4mm

The SP721 is an array of SCR/Diode bipolar structures for ESD and over-voltage protection to sensitive input circuits. The SP721 has 2 protection SCR/Diode device structures per input. There are a total of 6 available inputs that can be used to protect up to 6 external signal or bus lines. Overvoltage protection is from the IN (Pins 1 - 3 and Pins 5 - 7) to V+ or V-. The SCR structures are designed for fast triggering at a threshold of one +VBE diode threshold above V+ (Pin 8) or a -VBE diode threshold below V- (Pin 4). From an IN input, a clamp to V+ is activated if a transient pulse causes the input to be increased to a voltage level greater than one VBE above V+. A similar clamp to V- is activated if a negative pulse, one VBE less than V-, is applied to an IN input.

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