HMA121

Maximum Collector Emitter Voltage : 80 V
Maximum Collector Emitter Saturation Voltage : 0.4 V
Maximum Power Dissipation : 150 mW
Isolation Voltage : 3750 Vrms
Maximum Operating Temperature : + 100 C
Minimum Operating Temperature : - 40 C
Packaging : Bulk
Input Type : DC
Maximum Forward Diode Voltage : 1.3 V
Current Transfer Ratio : 600 %
Maximum Collector Current : 80 mA
Package / Case : SMD-4


Features:

• Compact 4-pin package (2.4 mm maximum standoff height)
• Current Transfer Ratio in selected groups
       HMA121: 50600% HMA2701: 50300%
       HMA121A: 100300% HMA2701A: 150300%
       HMA121B: 50150% HMA2701B: 80160%
       HMA121C: 100200% HMA124: 100% MIN
       HMA121D: 50100% HMAA2705: 50300%
       HMA121E: 150300%
       HMA121F: 100600%
• Available in tape and reel quantities of 500 and 2500.
• Applicable to Infrared Ray reflow (230°C max, 30 seconds.)
• BSI (File #8611/8612), CSA (File #1162301), UL (File #E90700) and VDE (File #136480) certified
• Creepage5 mm, typical 5.2 mm
• Clearance5 mm, typical 5.2 mm


Application

HMAA2705

• AC line monitor
• Unknown polarity DC sensor
• Telephone line receiver

HMA121 series, HMA2701 series, HMA124

• Digital logic inputs
• Microprocessor inputs
• Power supply monitor
• Twisted pair line receiver
• Telephone line receiver


Specifications

Parameter		Symbol	Value	Units
TOTAL PACKAGE Storage Temperature		TSTG	-40 to +125
Operating Temperature		TOPR	-40 to +100
EMITTER Continuous Forward Current		IF(avg)	50	mA
Peak Forward Current (1 µs pulse, 300 pps.)		IF(pk)	1	A
Reverse Input Voltage (HMA)		VR	6	V
Power Dissipation Derate linearly (above 25)		PD	70	mW
			0.65	mW/
DETECTOR Continuous Collector Current			80	mA
Power Dissipation Derate linearly (above 25)		PD	150	mW
			2.0	mW/
Collector-Emitter Voltage	HMA2701 Series, HMAA2705	VCEO	40	V
	HMA121 Series, HMA124		80
Emitter-Collector Voltage		VECO	7	V

Description

The HMA124, HMA121 and HMA2701 series consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a  compact 4-pin mini-flat package. The lead pitch is 2.54 mm.

The HMA124, HMA121 and HMA2701 series consist 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 2.54mm.