ERJ6EN-KIT
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
40890608-ERJ6EN-KIT
Panasonic, ERJ6EN Thick Film, SMT 133 Resistor Kit, with 13300 pieces, 10 Ω → 2.2MΩ
Tolerance is the percentage of error in the resistor's resistance, or how much more or less you can expect a resistor's actual measured resistance to be from its stated resistance. A gold tolerance band is 5% tolerance, silver is 10%, and no band at all would mean a 20% tolerance.