LM317 Heat: Dissipation, Heatsink Sizing, and the 3 V Rule
The LM317 needs 3 V of headroom and a heatsink sized by one equation. Worked numbers for 12 V to 5 V, the 5 V to...
Read articleManufacturer catalog
Review searchable product records associated with Winbond, then confirm the exact MPN, sourcing path and commercial conditions through quotation. Manufacturer naming is a catalog field and does not state an authorized distribution relationship.
W25Q128JVEIQ - Winbond Flash Memory, WDFN-8(EP)
W25Q128JVEIQ - Winbond Flash Memory, WSON-8-EP(6X8)
W25Q128JVEIQ - Winbond Flash Memory, WSON-8-EP(6X8)
W25Q128JVFIQ - Winbond Flash Memory
W25Q128JVFIQ - Winbond Flash Memory
W25Q128JVFIQ - Winbond Flash Memory, SOIC-16
W25Q128JVPIM - Winbond Flash Memory
W25Q128JVPIM - Winbond Flash Memory
W25Q128JVPIM - Winbond Flash Memory, 8-WSON(6X5), WSON-8-EP5X6
W25Q128JVPIQ - Winbond Flash Memory, WSON-8-EP
W25Q128JVPIQ - Winbond Flash Memory, WSON-8-EP(5X6)
W25Q128JVPIQ - Winbond Flash Memory, WSON-8-EP(5X6)
W25Q128JVPIQ - Winbond Flash Memory, WSON-8-EP(5X6)
W25Q128JVSIM - Winbond Flash Memory
W25Q128JVSIM - Winbond Flash Memory
W25Q128JVSIM - Winbond Flash Memory
W25Q128JVSIM - Winbond Flash Memory, SOIC-8
W25Q128JVSIQ - Winbond Flash Memory
W25Q128JVSIQ - Winbond Flash Memory
W25Q128JVSIQ - Winbond Flash Memory
W25Q128JVSIQ - Winbond Flash Memory
W25Q128JVSIQ - Winbond Flash Memory
W25Q128JVSIQ - Winbond Flash Memory
W25Q128JVSIQ - Winbond Flash Memory, SOIC-8
Supply boundary
Product records help identify a manufacturer part number and technical family. A listed part may be fulfilled from Chip-seek warehouse-held stock or a reviewed sourcing channel. Source, quantity, packaging, date code, MOQ, price and lead time are confirmed before an order is accepted.
From the desk
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
The LM317 needs 3 V of headroom and a heatsink sized by one equation. Worked numbers for 12 V to 5 V, the 5 V to...
Read article
Most counterfeit parts are not clever fakes: they are re-dated, re-marked or re-reeled stock. Five checks a buyer can run before accepting, with the tests that...
Read article
Seven Darlington pairs share one thermal budget. Saturation voltage, coil voltage, the COM pin, and how many channels can run at once.
Read article
Why a W25Q32 works at 1 MHz and fails at 50: capacitor distance, 40 mm of SCK at 1 ns edges, and the floating /HOLD pin...
Read article
A TVS clamps at 31 V, but 10 mm of trace adds 240 V. Placement and return path, not the part number, decide whether the IC...
Read article
The 2N7002 is called logic-level, but at 3.3 V it is a 20 mA switch: threshold spread eats the margin and RDS(on) roughly doubles. Here is...
Read article
Compare CH340G and CH340C, wire V3 correctly, check UART voltage compatibility and separate USB enumeration faults from serial framing problems.
Read article
How to pick a TVS or ESD diode: match standoff to the rail, clamp to the pin absolute maximum, and capacitance to the interface speed.
Read article