Cross-Reference Match Found
Looking for the WILLSEMI WL2820D28-4/TR? Here's Zephyr's better solution.
The XTX XTP2021-280AD1CT is a spec-equivalent, franchise-authorized alternative to the WILLSEMI WL2820D28-4/TR — in stock and shipping from Zephyr.
100% match · engine-verified In stock now 24h RFQ
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WILLSEMI
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA DF
WL2820D28-4/TR
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA DFN1x1-4L
AvailabilityVaries
Lead timeVaries by channel
Unit price (100)—
Zephyr's recommendation
AUTHORIZEDXTP2021-280AD1CT
Linear Voltage Regulator IC Fixed 300mA DFN1x1-4L
Availability11,335 in stock
Lead timeShips from stock
Unit price (100)$0.0573
Side-by-side
Parametric Comparison
This match was verified by our cross-reference engine on form, fit, and function — the per-attribute breakdown for this product family is being finalized and will appear here. The XTP2021-280AD1CT specs below and its datasheet give you the full picture today.
Why switch
Same Specs. Better Terms.
Lower CostFranchise-direct pricing — typically below the brand-name part for equivalent specs.
In Stock NowReal inventory with live counts — no multi-month lead times.
Verified CrossSpec-by-spec compatibility computed from structured attributes, not guessed.
Franchise AuthorizedDirect from XTX. Full traceability, no gray market.
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The XTP2021-280AD1CT Also Replaces
One Zephyr part covers a range of competitor parts. Click any to see the comparison.