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Specifications
Mfr. Part #:
CT426-HSN820DR
Package:
SOIC-8
Key Attributes
Model Number:
CT426-HSN820DR
Product Description
Product Overview
The Allegro CT426 is a high-bandwidth, ultra-low noise integrated contact current sensor utilizing XtremeSense TMR technology. It offers high accuracy current measurements with less than 1.0% total output error across various industrial, consumer, and automotive applications. The device supports eight current ranges up to 65 A, providing a linear analog output voltage. Key features include a fast ~300 ns response time, low power consumption (~6.0 mA), and immunity to common mode fields. The CT426 is available in an industry-standard, green, and RoHS-compliant 8-lead SOIC package.
Product Attributes
- Brand: Allegro MicroSystems
- Technology: XtremeSense TMR
- Package Type: 8-lead SOIC
- Compliance: Green, RoHS Compliant
- Certifications: UL/IEC 62368-1, UL1577
- Automotive Qualification: AEC-Q100 Grade 1
- Product Status: NOT FOR NEW DESIGN (as of March 28, 2025)
Technical Specifications
| Model | Current Range (IPMAX) | Sensitivity (mV/A) | Bandwidth | Response Time | Total Output Error | Supply Voltage | Operating Temperature | Package Dimensions (mm) |
|---|---|---|---|---|---|---|---|---|
| CT426-HSN820MR | 20 A | 50 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN830MR | 30 A | 33.3 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN850MR | 50 A | 20 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN865MR | 65 A | 15.4 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN820DR | 0 to 20 A | 100 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN830DR | 0 to 30 A | 66.7 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN850DR | 0 to 50 A | 40 | 1 MHz | ~300 ns | 1.5% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-HSN865DR | 0 to 65 A | 30.8 | 1 MHz | ~300 ns | 1.5% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN820MR | 20 A | 50 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN830MR | 30 A | 33.3 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN850MR | 50 A | 20 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN865MR | 65 A | 15.4 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN820DR | 0 to 20 A | 100 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN830DR | 0 to 30 A | 66.7 | 1 MHz | ~300 ns | 1.0% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN850DR | 0 to 50 A | 40 | 1 MHz | ~300 ns | 1.5% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| CT426-ASN865DR | 0 to 65 A | 30.8 | 1 MHz | ~300 ns | 1.5% FS | 3.0 to 3.6 V | 40 to 125 C | 4.89 6.00 1.62 |
| Key Features: Integrated current carrying conductor (CCC), linear analog output voltage, low noise (9.5 to 19.0 mARMS @ fBW = 100 kHz), immunity to common mode fields (-54 dB), filter function for noise reduction, UL/IEC 62368-1 and UL1577 certification (3.5 kVRMS rated isolation voltage). | ||||||||
| Applications: Solar/power inverters, UPS, SMPS, telecom power supplies, motor control, power utility meters, overcurrent fault protection. | ||||||||
2510091532_ALLEGRO-CT426-HSN820DR_C26548123.pdf
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