1.5KE440A Alternative / Equivalent / Replacement - 1500W TVS Diode 376V DO-201 | YINT

Are you searching for a 1.5KE440A alternative, 1.5KE440A equivalent, or 1.5KE440A replacement? YINT Electronics offers a direct 1.5KE440A substitute with identical specs to Littelfuse, Vishay, and ON Semiconductor parts for 380V AC and 400V DC rail protection.

1. Product Overview

The 1.5KE440A is a 1500W unidirectional TVS diode that protects 376V DC rails and high-voltage AC buses from voltage transients caused by lightning, grid disturbances, and inductive load switching. It has a stand-off voltage of 376V, breakdown range of 418V to 462V, and clamping voltage of 602V. The device responds in less than 1 nanosecond and delivers 2.50A peak pulse current in the DO-201 package.

Engineers looking for a 1.5KE440A replacement for Littelfuse, Vishay, ON Semiconductor, Diodes Incorporated, STMicroelectronics, Bourns, or Taiwan Semiconductor can confidently specify YINT's 1.5KE440A. It operates from -55C to +150C and is suitable for 400V-class systems in solar inverters, motor drives, and EV charging infrastructure.

2. Key Features

3. Recommended YINT Alternative for 1.5KE440A

4. Key Parameters

5. Cross Reference Guide

6. Applications

• 380V three-phase AC line-to-line surge protection
• 400V-class DC bus protection in power converters
• PFC output and intermediate bus transient clamping
• Solar inverter high-voltage DC bus protection
• Industrial motor drive DC link protection
• EV charging station power input transient protection
• HVAC and building power systems
• IEC 61000-4-5 surge compliance testing

7. Why Choose YINT

• 19+ years of manufacturing expertise since 2006
• 40+ patents and certifications per MIL-STD and JEDEC
• Global sales network across North America, Europe, Asia
• Full 1.5KE series from 5.0V to 440V
• Pin-to-pin compatible with 1.5KE440A from all major brands
• Engineering team for application assistance
• Free samples for testing upon request
• Direct manufacturer pricing with volume discounts

8. FAQ

Q1: Is YINT 1.5KE440A a direct replacement for Littelfuse or Vishay?
A: Yes. Identical specs and DO-201 package. No PCB redesign needed.

Q2: What is the difference between 1.5KE440A and 1.5KE440CA?
A: 1.5KE440A is unidirectional for DC, 1.5KE440CA is bidirectional for AC circuits.

Q3: What is the peak pulse power of 1.5KE440A?
A: 1500W for a 10/1000us exponential waveform at 25C.

Q4: Can 1.5KE440A be used for 380V AC three-phase systems?
A: Yes. The 376V stand-off voltage suits 380V line-to-line transients. Pair with an MOV.

Q5: What is the operating temperature range?
A: -55C to +150C junction temperature for industrial and outdoor applications.

Q6: Does YINT provide free samples?
A: Yes. Contact YINT with your project details.

9. Conclusion

YINT Electronics' 1.5KE440A is a reliable, cost-effective replacement for industry-standard TVS diodes. It delivers 1500W peak pulse power with a 602V clamping voltage for protecting 400V-class DC and high-voltage AC systems. Contact YINT for datasheets, samples, and pricing.