Heisener Electronics
BOM

HMA121R3

3750Vrms|50% @ 5mA
OriginalGlobal SourcingFast DeliveryQuality CertifiedTechnical SupportBulk Discount

OPTOISO 3.75KV TRANSISTOR 4SMD

Specifications

Brand
Fairchild/ON Semiconductor
Package
4-SMD, Gull Wing
Packaging
—
Weight
—

Total Inventory

2,628pcs

Ship within 8 hours

MOQ: 1 pcs

Certifications & Authorizations

Product Video

Discover how HMA121R3 from Fairchild/ON Semiconductor fits into your design. Our component experts walk through key specifications, quality certifications, and typical application scenarios.

  • Authentic sourcing with full traceability
  • Rigorous incoming quality inspection
  • Competitive pricing & global fast delivery
  • Dedicated application engineering support

Technical Specifications

ManufacturerFairchild/ON Semiconductor
Series-
Number of Channels1
Voltage - Isolation3750Vrms
Current Transfer Ratio (Min)50% @ 5mA
Current Transfer Ratio (Max)600% @ 5mA
Turn On / Turn Off Time (Typ)-
Rise / Fall Time (Typ)3µs, 3µs
Input TypeDC
Output TypeTransistor
Voltage - Output (Max)80V
Current - Output / Channel80mA
Voltage - Forward (Vf) (Typ)1.3V (Max)
Current - DC Forward (If) (Max)50mA
Vce Saturation (Max)400mV
Operating Temperature-40°C ~ 100°C
Mounting TypeSurface Mount
Package / Case4-SMD, Gull Wing
Supplier Device Package4-Mini-Flat

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