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Description
STMICROELECTRONICS 1.5KE400CA TVS Diode, Transil 1.5KE Series, Bidirectional, 342 V, 548 V, DO-201, 2 PinsThe Transil 1. 5KE series from STMicroelectronics are transient voltage suppressing diodes. These diodes provide high overvoltage protection and instantaneous response to transient overvoltage by clamping action. Transil 1. 5KE series are used to protect voltage sensitive devices such as low voltage supplied IC's. The unidirectional type TVS diodes are suitable for DC applications and bidirectional type TVS diodes are suitable for AC applications.
The Transil 1.5KE series from STMicroelectronics are transient voltage suppressing diodes. These diodes provide high overvoltage protection and instantaneous response to transient overvoltage by clamping action. Transil 1.5KE series are used to protect voltage sensitive devices such as low voltage supplied IC's. The unidirectional type TVS diodes are suitable for DC applications and bidirectional type TVS diodes are suitable for AC applications.
- Unidirectional and bidirectional transient voltage suppressors
- Peak pulse power of 1500W
- Breakdown voltage ranges from 6.8V to 440V
- Fast response time
- High surge capability
- Low clamping factor
- Maximum operating temperature of 175°C
- Assembly flexibility with axial (DO-201) and SMD packages
- Best in class performance at full power even with high junction temperatures
Applications
Safety, Industrial, Power Management, Consumer Electronics, Portable Devices
Product details
| Clamping Voltage Vc Max | 548V |
| TVS Polarity | Bidirectional |
| No. of Pins | 2Pins |
| Breakdown Voltage Min | 380V |
| Product Range | Transil 1.5KE Series |
| Automotive Qualification Standard | - |
| Breakdown Voltage Max | 420V |
| Reverse Stand-Off Voltage Vrwm | 342V |
| Peak Pulse Power Dissipation | 1.5kW |
| Packaging | Each |
| Diode Case Style | DO-201 |
Other details
| Brand | STMICROELECTRONICS |
| Part Number | 1.5KE400CA |
| Quantity | Each |
| Technical Data Sheet EN |
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4.3 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
Good quality
Size: 10 sqft
I wish it was a little better but it definitely works great and look good for how cheap it is
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Reviewed in the United States on January 23, 2026
★★★★★ 5
Works well
Size: 10 sqft
Worked great at a budget price.
I used it to damp a fiberglass loudspeaker horn. Easy to work with too.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Good material but bites back
Size: 20 sqft
Very good product for my rear trunk and backseat on my mustang. I would recommend some type of gloves due to the foil itself when placing down will cut up your hands and fingers. Overall good product for its price.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Great sound mat for the price!
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
This is a good product. Many people go with KILMAT because of the value to price point. I did as well. When you clean the surface (in my case it was all painted metal) this stuff sticks very well. I do recommend you use a seam roller of some type, I used Lumiteco 3 piece roller set. This will help with adhesion and mostly flatten the overlapped edges. It also helps you see where you have rolled as it leaves little grooves. The difference when we had no sound mats and after was very impressive. We haven't finished our install yet and it is quieter than when we had an interior in the van. There are thicker mats available in other brands, but this will work great for our van build, but this helps keep the weight down. It is quality material, just be careful when you are removing the backing, the edge of the foil face can cut you. I suggest you layout where you are installing the mat and cut to fit. From what I have read, you don't need to cover every inch in the vehicle, just spot install for a big difference. I chose to cover most surfaces to help keep sound out when we are sleeping in the van. We haven't finished putting the van yet, but we have driven it around and been very satisfied with this product.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Excellent sound deadening mats
Style: 80 mil 36 sqft, Style: 80 mil 36 sqft
Purchased these for a 2020 Lexus RX350 due to the hollow sound of the car doors when shutting. They sounded cheap. The mats are super sticky and I applied them when the doors were hot from sitting in the sun. They alubutyl sticks like crazy and the end result was perfect. Now I have solid sounding doors. Good quality product.
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Reviewed in the United States on May 20, 2026