BME280 datasheet(44/60 Pages) BOSCH

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Modifications reserved | Data subject to change without notice

Document number: BST-BME280-DS001-23 Revision_1.23_012022

7.7 Marking

7.7.1

Mass production devices

Table 36: Marking of mass production parts

Marking

Symbol

Description

CCC

5 6 7 8

4 3 2 1

Vent

hole

Pin 1

marker

CCC

Lot counter: 3 alphanumeric digits,

variable to generate mass production

trace-code

Product number: 1 alphanumeric digit,

fixed to identify product type, T = “U”

“U” is associated with the product

BME280 (part number 0 273 141 185)

Sub-contractor ID: 1 alphanumeric digit,

variable to identify sub-contractor (L = “P”)

7.7.2

Engineering samples

Table 37: Marking of engineering samples

Marking

Symbol

Description

XXN

5 6 7 8

4 3 2 1

Vent

hole

Pin 1

marker

Sample ID: 2 alphanumeric digits,

variable to generate trace-code

Eng. Sample ID: 1 alphanumeric digit,

fixed to identify engineering sample,

N = “ * ” or “e” or “E”

Counter ID: 2 alphanumeric digits,

variable to generate trace-code

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