PACKAGING INFORMATION
Part Naming and Marking Codes

Structure of part naming code


Part marking code

Part Naming and Marking Codes
Part Reference: XTRNNNNN
XTR	X-REL Semiconductor, high-temperature, high-reliability product (XTRM Series -60°C to +230°C).
XER	X-REL Semiconductor, extended temperature, high-reliability product (XTRA Series -60°C to +175°C)
NNNNN	Part number (0-9, A-Z).
P	Package type. BD – Bare die D – Dual-in-line (DIP) S – Small outline (SOIC) T – Transistor outline (TO)
Unique Lot Assembly Code: YYWWANN
YY	Two last digits of assembly year (e.g. 11 = 2011).
WW	Assembly week (01 to 52).
A	Assembly location code.
NN	Assembly lot code (01 to 99).

Example of part naming and marking:

XTR30011-S

Part name 30011 from XTRM series. Assembled in week 32 of year 2011 in assembly location B with assembly lot number 25.