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Littelfuse 1-Element Bi-Directional TVS Diode 1.5 kW Peak Pulse Power 2-Pin DO-201 Package 1.5KE27CA
Specifications
| Country of Origin | India |
|---|---|
| Diameter | 5.3mm |
| Brand | Littelfuse |
| Length | 9.5mm |
| Model | 1.5KE27CA |
| Mount Type | Through Hole |
| Series | 1.5KE |
| Maximum Operating Temperature | 175°C |
| Package Type | DO-201 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 37.5V |
| Diode Configuration | Single |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 25.7V |
| Maximum Reverse Stand-off Voltage Vwm | 23.1V |
| Peak Pulse Power Dissipation Pppm | 1.5kW |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 40.5A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Single-element bi-directional transient voltage suppressor diode.
- 1.5 kW peak pulse power dissipation rating.
- Minimum breakdown voltage of 25.7 volts.
- 2-pin through-hole DO-201 package for PCB mounting.
- Clamping voltage of 37.5 volts protecting downstream components.
- Operates between -55°C and 175°C for harsh environments.
- Maximum peak pulse current handling of 40.5 amperes.
- Low maximum reverse leakage current of 1 microampere.
Product Description
The Littelfuse 1.5KE27CA is a high performance bi-directional transient voltage suppressor (TVS) diode designed to protect electronic circuits from harmful voltage spikes and surges. It features a single diode element with a peak pulse power dissipation rating of 1.5 kW, ideal for absorbing transient energy in high-reliability industrial and commercial applications.
Its 2-pin through-hole DO-201 package allows straightforward installation on standard printed circuit boards. The diode offers a minimum breakdown voltage of 25.7 V and a defined clamping voltage of 37.5 V, protecting downstream components by clamping voltage surges during transient events.
The device supports electrostatic discharge (ESD) protection and can handle peak pulse currents up to 40.5 A, ensuring robust durability under repeated transient stress. Operating temperature range from -55°C to 175°C allows its use in harsh environments including automotive, industrial, and power electronics equipment.
Measuring a compact 9.5 mm in length and 5.3 mm in diameter, the Littelfuse 1.5KE27CA fits well in applications where space is limited yet reliable surge protection is critical. Its low reverse leakage current of 1 µA minimizes power loss and enhances overall efficiency.
Typical use cases include protection of power supplies, telecom equipment, and sensitive signal lines against voltage transients induced by lightning, inductive load switching, and electrostatic discharge events.
This diode is a member of the Littelfuse 1.5KE series of transient voltage suppressors. It is supplied in a through-hole DO-201 package compatible with standard assembly processes. Provides bidirectional voltage clamp action for AC and DC applications.
Ensures long-term reliability and stable operation under power surges.
Explore Littelfuse TVS Diodes and other semiconductor protection devices in EnvMart's extensive electronics components category to find the perfect solution for your industrial and commercial surge protection needs.
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Frequently Asked Questions
The Littelfuse 1.5KE27CA has a peak pulse power dissipation rating of 1.5 kW.
The minimum breakdown voltage of this diode is 25.7 volts.
The clamping voltage for this model is 37.5 volts, which protects downstream components during transient events.
It can handle a maximum peak pulse current of 40.5 amperes.
The operating temperature range for the Littelfuse 1.5KE27CA is from -55°C to 175°C.
This model is supplied in a 2-pin through-hole DO-201 package, suitable for PCB mounting.
The diode measures 9.5 mm in length and has a diameter of 5.3 mm.
The maximum reverse leakage current is 1 microampere.
This diode is suitable for protecting power supplies, telecom equipment, and sensitive signal lines against voltage transients.
It has a single diode configuration and operates in a bi-directional manner.
The test current for the Littelfuse 1.5KE27CA is 1 mA.
This model is part of the Littelfuse 1.5KE series of transient voltage suppressors.
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