Datasheet
HMHAA280 — AC Input, Half Pitch Mini-Flat Package 4-Pin Optocoupler
©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
HMHAA280 Rev. 1.1.1
April 2011
HMHAA280
AC Input, Half Pitch Mini-Flat Package 4-Pin Optocoupler
Features
■
Compact 4-pin package (2.4mm maximum standoff
height)
■
Half pitch leads for optimum board space savings
■
Current Transfer Ratio: 50–600%
■
Available in tape and reel quantities of 2500
■
CSA (File #1201524), UL (File #E90700) and
VDE (File #136480) certified
Applications
■
AC line monitor
■
Unknown polarity DC sensor
■
Telephone line receiver
Description
The HMHAA280 series consists of two gallium arsenide
infrared emitting diodes, connected in inverse parallel,
driving a single silicon phototransistor in a compact 4-pin
mini-flat package. The lead pitch is 1.27mm.
Package Dimensions
0.287
(
7.29
)
0.248
(
6.30
)
0.020
(
0.51
)
0.012
(
0.30
)
0.173
(
4.40
)
TYP
0.035
(
0.89
)
0.012
(
0.30
)
0.008
(
0.20
)
0.000
(
0.0
)
PIN 1
0.106
(
2.69
)
0.091
(
2.31
)
0.030
(
0.75
)
0.022
(
0.55
)
0.050
(
1.27
)
0.094
(
2.39
)
0.079
(
2.01
)
1
2
4
3 EMITTER
COLLECTOR
Equivalent Circuit
Note:
All dimensions are in inches (millimeters)