ah291 Diodes, Inc., ah291 Datasheet - Page 7

• Manufacturer Part Number: ah291
• Description: Low Voltage Hall-effect Smart Fan Motor Controller
• Manufacturer: Diodes, Inc.

Marking Information
(1) SIP-4L
(2) SOT25
(3) SOT89-5L
AH291 Rev. 2
Part Number
RA:AH291
5
1
291 Y M X
2
( Front View )
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
Y WW X x
(Top View)
www.diodes.com
291
5
1
4
3
7 of 10
XX Y M X
2
Y : Year: 0-9
M : Month: A~L
X : Internal code
4
3
a~z : Lead Free
WW : Nth week 01~52
X : Internal Code: A~Z
Internal Code a~z : Lead Free
Y :Year:
Y : Year 0~9
M :Month A~L
X: Internal code
a~z: Lead Free
"1" = 2001
"2" = 2002
CONTROLLER
DECEMBER 2006
©
Diodes Incorporated
AH291