The two-channel, general-purpose SM series TVS diode array from Littelfuse can absorb repetitive ESD strikes above the maximum level specified in the IEC61000-4-2 international standard without performance degradation and safely dissipate up to 24 A of 8/20 μs induced surge current with very low clamping voltages. Five voltage options are available: 5 V, 12 V, 15 V, 24 V, 36 V.

TVS Diodes Array

SPA® Family of TVS Diode Arrays

Features

• Very low dynamic resistance (R_DYN): SM05: 0.19 Ω; SM12: 0.25 Ω; SM15: 0.30 Ω; SM24: 0.50 Ω; SM36: 0.65 Ω
• Robust surge protection: Peak pulse power: 400 W (t_p = 8/20µs); lightning, IEC61000-4-5 (t_p = 8/20µs)
• Enhanced ESD capability: IEC61000-4-2: ±30 kV contact, ±30 kV air

Benefits

• Greatly reduces clamping voltages, ensuring modern ICs survive industry-defined electrical threats, such as ESD (IEC61000-4-2) and lightning-induced surges (IEC61000-4-5)
• 25% higher power handling capability than similar solutions offers more design margin to electrical threats as defined by industry standards
• 2-3 times higher ESD withstand capability than similar solutions, which far exceeds the highest level of the IEC61000-4-2 standard (Level 4, ±8kV), ensuring maximum reliability of equipment in the field