SP4020 and SP4021 Series TVS Diode Arrays

SP4020 and SP4021 Series TVS Diode Arrays

The Littelfuse SP4020 and SP4021 series TVS diode arrays can safely provide up to 30 A (SP4020) / 25 A (SP4021) protection against lightning induced surges and up to 750 W (SP4020) / 600 W (SP4021) of power handling capability. This revolutionary design offers 2x the power handling capability of alternative solutions, and yields a 16% improvement in low loading capacitance (2.5 pF typ.) than competitive products. It is ideal for protecting telecommunications interfaces and other high-speed data without sacrificing signal integrity.

Features
  • Superb surge protection
    • Peak pulse power: 750 W (SP4020); 600 W (SP4021)
    • Lightning, IEC61000-4-5: 30 A (SP4020), 25 A (SP4021)
  • Low capacitance of 2.5 pF (typ.)
  • Enhanced ESD capability
  • ESD, IEC61000-4-2, ±30 kV contact
  • Low dynamic resistance
    • RDYN is 0.7 Ω for SP4020
    • RDYN is 0.52 Ω for SP4021
Benefits
  • Compared to similar market solutions, the SP4020 and SP4021 series provide remarkably more overhead to electrical threats defined by regulatory standards
    • 2 x higher power handling capability for the SP4020
    • 1.5 x higher power handling capability for the SP4021
  • 16% lower capacitance than other solutions helps to preserve signal integrity and minimize data loss while offering a more robust device against electrical threats
  • Enhanced ESD protection far exceeds the highest level of the IEC61000-4-2 standard (±8 kV), providing maximum reliability for equipment during installation and servicing
  • Provides low clamping voltages for sensitive chipsets, protecting them from catastrophic failure and maximizing system reliability

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