PIN-TO-PIN ALTERNATIVE
XT25F128B is a Chinese-manufactured pin-to-pin drop-in replacement for W25Q128JVSIQ (Winbond 华邦).
A third domestic source for the 128 Mbit W25Q128 footprint, useful for multi-source supply strategies.
XT25F128B — Alternative to W25Q128JVSIQ
XT25F128B from XTX 芯天下 is supplied by JTDZ Tech (Shenzhen Jingteng Electronics) as a cost-effective, short-lead-time alternative to the imported W25Q128JVSIQ (Winbond 华邦). Chinese-sourced semiconductors have moved well beyond "cheap substitute" status: the parts below are production-validated in industrial, automotive and consumer designs, and they remove both the allocation risk and the long lead times that come with imported.
Cross-Reference: W25Q128JVSIQ vs XT25F128B
| imported | This part (Chinese alternative) | |
|---|---|---|
| Part number | W25Q128JVSIQ | XT25F128B |
| Manufacturer | Winbond {BRAND} | XTX 芯天下 |
| Package | SOP-8 (208 mil) / WSON-8 | SOP-8 (208 mil) / WSON-8 |
| Pin Count | 8 | |
| Compatibility | — | Pin-to-Pin drop-in replacement |
| Supply & lead time | Frequently allocated, long lead times | Domestic stock, short lead time |
| Description | Memory/Logic Devices, 128 Mbit (16 MB), SPI / Dual / Quad SPI, SOP-8 package. |
Key Specifications
| Capacity | 128 Mbit (16 MB) |
| Interface | SPI / Dual / Quad SPI |
| Supply | 2.7 V - 3.6 V |
| Endurance | 100,000 program/erase cycles |
| Temperature | -40 C to +85 C |
| Package | SOP-8 / WSON-8 |
What to check before substituting XT25F128B for W25Q128JVSIQ
- Pin-to-pin compatible with the W25Q128 family in SOP-8.
- Verify the JEDEC ID and dummy-cycle settings in your firmware before committing to volume.
- A cost-effective third source when you want to avoid depending on a single domestic supplier alongside GigaDevice.
Typical Applications
- Firmware storage
- Consumer electronics
- Industrial control
- Networking equipment
Looking for the part?
We also stock the imported — compare both before you decide: W25Q128JVSIQ.
Why buy XT25F128B from JTDZ Tech
- and new parts from XTX 芯天下, with traceable date codes
- MOQ 1 pc, tier pricing for volume and BOM kitting
- Cross-reference and substitution support: send us your BOM and we will confirm pin-to-pin compatibility before you commit
- X-ray, visual inspection and third-party lab testing supported on request
- Quote within 2 business hours; export shipping to India, Vietnam, the Middle East and worldwide
Need XT25F128B, or still prefer the W25Q128JVSIQ? Send us your part list and target quantity — we will come back with pricing, stock and a compatibility confirmation within 2 business hours. Prices vary with quantity and market conditions, so the listed price is for reference only.
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
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