STMicroelectronics SMA4F40A, Uni-Directional TVS Diode, 400W, 2-Pin SMA Flat

View all TVS Diodes

Subtotal (1 pack of 50 units)*

£5.20

(exc. VAT)

£6.25

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 18,000 unit(s) ready to ship
  • Plus 999,981,950 unit(s) shipping from 03 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
50 +£0.104£5.20

*price indicative

Packaging Options:
RS Stock No.:
208-5088
Mfr. Part No.:
SMA4F40A
Brand:
STMicroelectronics
Find similar products by selecting one or more attributes.
Select all

Brand

STMicroelectronics

Diode Configuration

Single

Direction Type

Uni-Directional

Maximum Clamping Voltage

64.5V

Minimum Breakdown Voltage

49V

Mounting Type

Surface Mount

Package Type

SMA Flat

Pin Count

2

Peak Pulse Power Dissipation

400W

Number of Elements per Chip

1

The STMicroelectronics TVS diode is designed to protect sensitive circuits against transient surges. It works with planar technology which makes it compatible with high end circuits where low leakage current and high junction temperature are required to provide long term reliability and stability.

Matte tin plating lead finishing
175°C maximum operating temperature
Up to 200W power capability

Related links