Product Name: Triacs Model: BTA41-600B Voltage: 600V RMS on-state Current: 40A Mounting Hole Diameter: 4mm/ 0.16 inch Pin Size: 16 x 5.04mm/ 0.63 inch x 0.2 inch ( L x Pitch) Body Dimension: 36 x 15 x 4mm/ 1.4 inch x 0.6 inch x 0.16 inch (L x W x T) Material: plastic, metal Package Contents: 20 x Triacs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.