Data Sheet

Bosch Sensortec | BME280 Data sheet
44 | 55
Modifications reserved | Data subject to change without notice
Document number: BST-BME280-DS002-15
Revision_1.6_092018
7.7 Marking
7.7.1 Mass production devices
Table 36: Marking of mass production parts
Marking
Symbol
Description
CCC
TL
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
T
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)
L
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
CC
5 6 7 8
4 3 2 1
Vent
hole
Pin 1
marker
XX
Sample ID: 2 alphanumeric digits,
variable to generate trace-code
N
Eng. Sample ID: 1 alphanumeric digit,
fixed to identify engineering sample,
N = “ * ” or “e” or “E”
CC
Counter ID: 2 alphanumeric digits,
variable to generate trace-code