Understanding the Date Stamp

ELECTRONIC BALLAST

Find the Ballast version above the UPC code on the product label.
Electronic ballast no version date code region

Six Digit Date Code

Example: 093602

  • The first 2 digits (09) refer to the year of manufacture, 2009
  • The second 2 digits (36) refer to the week of manufacture
Electronic ballast version A date code region

Fourteen Digit Date Code
(Ballasts with “Version A_” indicated on the label)

Example: 27594P14030461

  • The 7th and 8th digits (14) refer to the year of manufacture, 2014
  • The 9th and 10th digits (03) refer to the week of manufacture
Electronic ballast version D date code region

Five Digit Date Code
(Ballasts with “Version D_” indicated on the label)

Example: 13491

  • The first 2 digits (13) refer to the year of manufacture, 2013
  • The second 2 digits (49) refer to the week of manufacture
Electronic ballast version P date code region

Five Digit Date Code
(Ballasts with “Version P_” indicated on the label)

Example: J1142

  • The first 2 digits (11) refer to the year of manufacture, 2011
  • The second 2 digits (42) refer to the week of manufacture

HID BALLAST

Find the HID Ballast version above the Cat. No. on the product label.
HID ballast no version date code region

Seven Digit Date Code

Example: 112007H

  • The first 2 digits (11) refer to the week of manufacture
  • The next 4 digits (2007) refer to the year of manufacture
HID ballast version B date code region

Ten Digit Date Code
(Ballasts with “Version B_” indicated on the Unit label)

Example: E231318212

  • The next 2 digits (23) refer to the week of manufacture
  • The following 2 digits (13) refer to the year of manufacture, 2013
HID ballast version P date code region

Ten Digit Date Code
(Ballasts with “Version P_” indicated on the Unit label)

Example: M090307703

  • The next 2 digits (09) refer to the year of manufacture, 2009
  • The following 2 digits (03) refer to the month of manufacture, March

FLUORESCENT EMERGENCY BALLAST

Fluorescent emergency ballast date code region

Four Digit Date Code

Example: 4313

  • The first 2 digits (43) refer to the week of manufacture
  • The next 2 digits (13) refer to the year of manufacture

LED EMERGENCY BALLAST

LED emergency ballast date code region

Six Digit Date Code

Example: 162100

  • The first 2 digits (16) refer to the year of manufacture, 2016
  • The second 2 digits (21) refer to the week of manufacture

DRIVERS

LED Driver no version date code region

Six Digit Date Code

Example: 093602

  • The next 2 digits (09) refer to the year of manufacture, 2009
  • The following 2 digits (36) refer to the week of manufacture

ComboDrive/SmartDrive LED LAMPS

SmartDrive LED Lamp date code region

Four Digit Date Code

Example: 1530

  • The first 2 digits (15) refer to the year of manufacture
  • The next 2 digits (30) refer to the week of manufacture

DirectDrive LED LAMPS

DirectDrive LED Lamp date code region

Four Digit Date Code

Example: 1606

  • The first 2 digits (16) refer to the year of manufacture, 2016
  • The second 2 digits (06) refer to the week of manufacture