Device Marking; Mass Production Devices; Engineering Samples - Bosch BME280 Mounting Instructions

Bosch Sensortec | HSMI BME280

2. Device marking

The BME280 device lid shows the following laser-marking:

2.1. Mass production devices

Marking

2.2. Engineering samples

Marking
Document number BST-BME280-HS006-00 | May 2018
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parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
Table 1: Marking of mass production samples
Symbol
CCC
T
L
Table 2: Marking of engineering samples
Symbol
XX
N
CC
Description
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")
Description
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
6 | 24
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