Cross-Reference Match Found
Looking for the WILLSEMI WL2820D28-4/TR? Here's Zephyr's better solution.
The Shanghai Belling BL8563CKETR28 is a spec-equivalent, franchise-authorized alternative to the WILLSEMI WL2820D28-4/TR — in stock and shipping from Zephyr.
100% match · engine-verified 24h RFQ
You searched for
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
AUTHORIZEDBL8563CKETR28
2.8V Positive Fixed DFN1x1-4 Voltage Regulators - Linear, Low Drop Out (LDO) Reg
AvailabilityOut of stock
Lead timeConfirmed on quote
Unit price (100)$0.1158
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 BL8563CKETR28 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 Shanghai Belling. Full traceability, no gray market.
More crosses
The BL8563CKETR28 Also Replaces
One Zephyr part covers a range of competitor parts. Click any to see the comparison.
WILLSEMIWL2836D28-4/TRAWINIC(Shanghai Awinic Tech)AW37103D280DNRWILLSEMIWL2863D28-4/TRXTXXTP2021-280AD1CTNisshinbo Micro Devices Inc.R5511D021AC-TR-FABLICS-1318B28-A4T2U4ABLICS-1318C28-A4T2U4BLBL9161G-28BADRNAWINIC(Shanghai Awinic Tech)AW37030D280DNRetasolutionETA5053V280NF1EetasolutionETA5053V280DF1E