The SMF3.3 is a Zener type TVS diode from Littelfuse Inc. It is designed for circuit protection against transient voltage surges.

• Reverse standoff voltage: 3.3V.
• Breakdown voltage: 3.4V.
• Clamping voltage @ peak pulse current: 6.8V.
• Peak pulse power rating: 200W.
• Application: suitable for general-purpose applications.
• Package: SOD-123F package.
• Mounting: surface mountable.
• Operating temperature range: -55°C to 150°C.
• Status: active product.
• REACH regulations: unaffected.
• Warning: contains substances that may be harmful and is subject to California Prop 65 warning information.