STMicroelectronics, Inc. Bipolar Transistor STL128D

High voltage fast switching NPN power transistor Product overview: STL128D from STMicroelectronics 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, Single Bipolar Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 276-STL128D can be used for catalog matching and distributor lookup.

Bipolar (BJT) Transistor NPN 400V 4A 65W Through Hole TO-220

Manufacturer: STMicroelectronics
Win Source Part Number: 1261305-STL128D
Packaging: Tube
Mounting Style: Through Hole
Operating Temperature Range: 150°C (TJ)
Package: TO-220-3
Power - Max: 65W
Transistor Type: NPN
Family Name: STL128D
Categories: Discrete Semiconductor Products
Manufacturer Homepage: www.st.com
Manufacturer Package: TO-220-3
Current - Collector (Ic) (Maximum): 4A
Voltage - Collector Emitter Breakdown (Maximum): 400V
Vce Saturation (Maximum) @ Ib, Ic: 500mV @ 700mA, 3.5A
Current - Collector Cutoff (Maximum): 250μA
DC Current Gain (hFE) (Minimum) @ Ic, Vce: 10 @ 2A, 5V
Alternative Parts (Cross-Reference): TSC128DCZ C0; TSC128DCZ; BUJ303B;
Introduction Date: June 27, 2011
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2024
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 43 pct.
Supply and Demand Status: Limited