STEF033JR
- Mfr.Part #
- STEF033JR
- Manufacturer
- STMicroelectronics
- Package / Case
- 9-UFBGA, FCBGA
- Datasheet
- Download
- Description
- ELECTRONIC FUSE FOR 3.3 V LINE
- Stock
- 1,160
- In Stock :
- 1,160
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Current Regulation/Management
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Surface Mount :
- yes
- Base Part Number :
- STEF033
- Reach Compliance Code :
- Compliant
- Operating Temperature :
- -40°C~125°C TJ
- Packaging :
- Tape and Reel (TR)
- Current - Output :
- 3.6A
- Package / Case :
- 9-UFBGA, FCBGA
- Power Supplies :
- 3.3V
- HTS Code :
- 8542.39.00.01
- Analog IC - Other Type :
- ANALOG CIRCUIT
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Position :
- BOTTOM
- Qualification Status :
- Not Qualified
- Function :
- Electronic Fuse
- JESD-30 Code :
- S-PBGA-B9
- Terminal Pitch :
- 0.4mm
- Factory Lead Time :
- 24 Weeks
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Voltage - Input :
- 3.1V~8V
- Supply Voltage :
- 3.3V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Terminal Form :
- Ball
- Number of Terminations :
- 9
- Datasheets
- STEF033JR

Current Regulation/Management STMicroelectronics STEF033JR Overview
Introducing the STEF033JR, a state-of-the-art electronic fuse designed by STMicroelectronics, specifically engineered for stable and reliable current regulation and management in 3.3 V line applications. This electronic fuse ensures protection and longevity of electronic circuits by providing precise control over current flow, thus preventing damage caused by overcurrent conditions. Its compact design and robust performance make the STEF033JR an ideal choice for designers and engineers looking to enhance system safety without compromising on efficiency and size. With its advanced technology tailored for low voltage applications, the STEF033JR stands out as a pivotal component in protecting sensitive electronic circuits.
STEF033JR Features
- Designed for 3.3 V applications, ensuring compatibility with low-voltage circuits.
- High precision in current management prevents damage due to overcurrent and short circuits.
- Compact size allows for easy integration into existing circuit designs without requiring additional space.
- Robust construction designed to withstand rigorous operational demands and enhance circuit longevity.
- Fast response time to fault conditions, minimizing potential harm to circuit components.
STEF033JR Applications
- Consumer Electronics: Protects smartphones, tablets, and other portable devices by managing power supply and preventing current overload.
- Computing Devices: Essential for safeguarding central processing units, hard drives, and other critical components in computers and servers.
- Power Supply Units: Used in power regulation systems to ensure stable and safe power distribution to various electronic components.
- Telecommunication Equipment: Guards telecommunication devices against fluctuations in power supply, maintaining reliable operation and connectivity.
- Wearable Technology: Integrates into wearable devices, offering protection in compact power systems while maintaining device integrity and functionality.
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Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















