TLP3021 is an obsolete part from Toshiba. These similar products may work depending on the application.
Isolators | Optoisolators - Triac, SCR Output | DigiKey
Please review the datasheets to ensure the alternative will work for your application.
Applicable Part Numbers
Digi-key Part Numbers
K3021P-ND
K3021PG-ND
EL3021S1(TA)-ND
EL3021S1(TA)-V-ND
EL3021S1(TB)-ND
EL3021S1(TB)-V-ND
EL3021S(TA)-ND
EL3021S(TA)-V-ND
EL3021S(TB)-ND
EL3021S(TB)-V-ND
EL3021-ND
EL3021M-ND
EL3021M-V-ND
EL3021-V-ND
Manufacturer Part Numbers
K3021P
K3021PG
EL3021S1(TA)
EL3021S1(TA)-V
EL3021S1(TB)
EL3021S1(TB)-V
EL3021S(TA)
EL3021S(TA)-V
EL3021S(TB)
EL3021S(TB)-V
EL3021
EL3021M
EL3021M-V
EL3021-V