Module Packing
Espressif modules are packed on tape and reel. Then the reel is packed in an aluminum moisture barrier bag (MBB) in vacuum state to protect modules from absorbing moisture during transportation and storage. At last, the MBB is packed into a pizza box.
Espressif Product Packing Method
Note
The figure(s) above is for illustration purposes only. Actual product may vary.
Tape
This section introduces the dimensions of the carrier tape.
Carrier Tape Dimensions
Carrier Tape Width (W) |
Sprocket Hole Width (s) |
Sprocket Hole Pitch (P 0) |
Cavity Pitch (P) |
|---|---|---|---|
44.0 |
40.4 |
4.0 |
24.0 |
Cavity Dimensions
Cavity Width (A 0) |
Cavity Length (B 0) |
Cavity Depth (K 0) |
|---|---|---|
MW + 0.5 |
ML + 0.5 |
MH + 0.5 |
Note
The cavity dimensions may differ from different module width (MW), module length (ML) and module height (MH).
Note
Dimensions in the above tables are in millimeters (mm), with tolerances of ±0.2 mm.
Note
The surface resistance of the carrier tape is 10 4 ~ 10 11 ohms.
Module Placement and Tape Direction
This section introduces the module placement position in the carrier tape and the tape pull-out direction.
Note
Please refer to the expanded view on the right for module placement orientation in the carrier tape. The module’s silk marking text direction should be parallel to the pull-out direction.
Reel
This section introduces the dimensions of the reel.
Reel Size |
Outer Diameter (D) |
Inner Diameter (d) |
Reel Width (W) |
Quantity Per Reel |
|---|---|---|---|---|
13’’ |
330 mm |
100 mm |
44 mm |
650 |
Note
The figure(s) above is for illustration purposes only. Actual product may vary.
Note
The surface resistance of the carrier tape is 10 4 ~ 10 11 ohms.
Pizza Box
Inside of the pizza box of typical Espressif modules, together with the tape and reel, product label and dry-packing related items are also packed.
This section describes the product label. For information about dry packing related items, please go to Section Dry Packing Requirement.
Note
Espressif has updated the product label style starting from 2026. For details, please refer to PCN202600201. During the transition period, the same product you receive may carry either of two label styles (Style 1 (New) or Style 2 (Legacy)). Please note that this is purely an update to label layout and a few field names — product specifications and quality remain unchanged.
Espressif Module Label — Style 1 (New, from 2026)
PW Number: Espressif’s order number at the module manufacturers.
Product Name: Module name.
Part Number: Espressif’s MPN (internal use).
Quantity: The quantity of modules per package.
- Firmware: Indicates the firmware version flashed to the modules:
- No firmware:
FW Ver: N/A
FW P/N: N/A
MBM NO: Specification Identifier, see Section Specification Identifier Convention.
- With firmware:
FW Ver: Firmware version
FW P/N: Firmware code
MBM NO: Specification Identifier, see Section Specification Identifier Convention.
COA (Country of Assembly): CHINA/VIETNAM.
COD (Country of Diffusion): Fixed value, always displays TAIWAN, CHINA.
Seal Date: Date of packing.
Lot Number: Used internally by Espressif for tracking production.
OQC: Indicates the QC inspection is passed.
- QR code: Scanning this QR code returns you production information including:
Product name
Product number
Lot number
Quantity
Production number
Espressif internal code
Espressif Module Label — Style 2 (Legacy)
PW Number: Espressif’s order number at the module manufacturers.
Product Name: Module name.
Product Number: Espressif’s MPN (internal use).
Quantity: The quantity of modules per package.
- Firmware Version: Indicates the firmware version flashed to the modules:
- No firmware:
IDF: N/A
AT: N/A
FW P/N: N/A
MBM NO: Specification Identifier, see Section Specification Identifier Convention.
- Espressif default firmware:
IDF: IDF version
AT: AT version
FW P/N: firmware code
MBM NO: Specification Identifier, see Section Specification Identifier Convention.
- Customized firmware:
IDF: Customized firmware version
AT: N/A
FW P/N: firmware code
MBM NO: Specification Identifier, see Section Specification Identifier Convention.
Country of Origin: MADE IN CHINA.
Seal Date: Date of packing.
Lot Number: Used internally by Espressif for tracking production.
OQC: Indicates the QC inspection is passed.
- QR code: Scanning this QR code returns you production information including:
Product name
Product number
Lot number
Quantity
Production number
Espressif internal code