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Category Circuit Protection>TVS - Diodes
Mfr STMicroelectronics
Series SMA4F, TRANSIL™
Package Tape & Reel
Type Zener
Unidirectional Channels 1
Voltage - Reverse Standoff (Typ) 85V (Max)
Voltage - Breakdown (Min) 95V
Voltage - Clamping (Max) @ Ipp 137V
Current - Peak Pulse (10/1000µs) 2.9A
Power - Peak Pulse 400W
Power Line Protection No
Applications General Purpose
Temperature Range - Operating -55°C ~ 175°C (TJ)
Mounting SMD (SMT)
Package / Case DO-221AC, SMA Flat Leads
Supplier Device Package SMAflat
Base Product Number SMA4F85
Other Names -1138-SMA4F85ACT,-1138-SMA4F85ATR,-1138-SMA4F85ADKR,497-SMA4F85ACT,497-SMA4F85ATR,SMA4F85A,497-SMA4F85ADKR
Standard Package 10,000
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.10.0080
Win Source Part Number 1298465-SMA4F85A
Ultra Librarian 3D Model Ultra Librarian SMA4F85A CAD Model

Description

The SMA4F85A from STMicroelectronics is a state-of-the-art Transil diode designed to provide exceptional transient voltage protection for sensitive electronics. This robust component is housed in a compact SMA flat package, which not only saves valuable board space but also offers improved thermal resistance and power dissipation characteristics.

Key Features

  • Stand-off Voltage: The device features a stand-off voltage of 85V, making it suitable for a wide range of applications in industrial and consumer electronics that require high voltage protection.
  • Peak Pulse Power: It can handle a peak pulse power dissipation of 400W (10/1000 µs), providing reliable protection against electrical surges and spikes.
  • Low Clamping Voltage: The SMA4F85A offers a low clamping voltage, ensuring that sensitive components are shielded from transient events without experiencing significant voltage stress.
  • Fast Response Time: With its fast response to transient over-voltage events, this Transil diode ensures your circuits are safeguarded promptly, minimizing the risk of damage.
  • Low Leakage Current: It boasts a low leakage current, contributing to the overall energy efficiency of the systems it protects.

Applications

The SMA4F85A is ideal for a variety of applications where transient voltage protection is critical. These include:

  • Power supply lines
  • Automotive systems
  • Telecommunication devices
  • Computer interfaces
  • Industrial control systems

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality and reliability, and the SMA4F85A is no exception. It is manufactured to meet the highest industry standards, ensuring that it performs consistently even in the most demanding environments. Whether you are designing consumer electronics or industrial machinery, the SMA4F85A provides the protection your circuits need against voltage transients, spikes, and surges.

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Pricing & Ordering

Quantity Unit Price Ext. Price
350+ $0.1868 $65.3800
845+ $0.1533 $129.5385
1,310+ $0.1485 $194.5350
1,805+ $0.1438 $259.5590
2,330+ $0.1389 $323.6370
3,120+ $0.1247 $389.0640
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Availability: 3,690 pieces
MOQ: 350 pcs
Order Increment : 1 piece
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