onsemi Optoisolators - Transistor, Photovoltaic Output - HMA121F HMA121F

Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 1181062-HMA121F
Packaging: Tube
Operating Temperature Range: -40°C ~ 100°C
Package: 4-SMD, Gull Wing
Mounting: SMD
Output Type: Transistor
Input Type: DC
Voltage - Forward (Vf) (Typ): 1.3V (Maximum)
Rise / Fall Time (Typ): 3μs, 3μs
Number of Channels: 1
Voltage - Isolation: 3750Vrms
Part Status: Obsolete(EOL)
Family Name: HMA121
Categories: Isolators
Manufacturer Homepage: www.fairchildsemi.com
Manufacturer Package: 4-Mini-Flat
Output Voltage MAX: 80V
Output Current per Channel: 80mA
Current - DC Forward (If) (Maximum): 50mA
Current Transfer Ratio (Minimum): 100% @ 5mA
Current Transfer Ratio (Maximum): 600% @ 5mA
Vce Saturation (Maximum): 400mV
Alternative Parts (Cross-Reference): IS181GB; HCPL-181-06DE; HCPL-181-000E;
Introduction Date: April 10, 2002
ECCN: EAR99
Country of Origin: Thailand
Estimated EOL Date: Obsolete
Popularity: Medium
Fake Threat In the Open Market: 65 pct.
Supply and Demand Status: Balance

Transistor Output Optocouplers Optocoupler Phototransistor Product overview: HMA121F from onsemi is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include transistor, BJT, switching, amplification, Bipolar Transistor, Transistor, Photovoltaic Output Optoisolators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 903-HMA121F can be used for catalog matching and distributor lookup.