Data Sheet
©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
HMHA281, HMHA2801 Series Rev. 5.2 8
HMHA281, HMHA2801 Series — 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers
Ordering Information
Note:
2. The product orderable part number system listed in this table also applies to the HMHA281, HMHA2801A,
HMHA2801B, and HMHA2801C products.
Marking Information
Figure 14. Top Mark
Table 1. Top Mark Definitions
Part Number Package Packing Method
HMHA2801 Half Pitch Mini-Flat 4-Pin Tube (100 units)
HMHA2801R2 Half Pitch Mini-Flat 4-Pin Tape and Reel (2500 Units)
HMHA2801V Half Pitch Mini-Flat 4-Pin, DIN EN/IEC60747-5-5 Option Tube (100 Units)
HMHA2801R2V Half Pitch Mini-Flat 4-Pin, DIN EN/IEC60747-5-5 Option Tape and Reel (2500 Units)
1 Fairchild Logo
2 Device Number
3 DIN EN/IEC60747-5-5 Option (only appears on component ordered with this option)
4 One-Digit Year Code, e.g., “5”
5 Digit Work Week, Ranging from “01” to “53”
6 Assembly Package Code
1
2
6
4
3
5
281
XV M1YY