The TA series Miniature current transformers are engineered for applications where AC current signals must be transformed accurately into lower AC current or voltage signals appropriate for microprocessor-based circuits.
The TA2X11 series of PCB Mounted Miniature current transformers are designed specifically for integration into products requiring exceptionally accurate primary signal transformation even when exposed to harsh environmental operating conditions. Custom TA models can be designed to meet unique application challenges.
Key Features & Applications
✓Cost-Effective: Low cost solution with over 50 standard sizes available.
✓Flexible Mounting: Non-symmetrical mounting pattern for diverse PCB layouts.
✓High Precision: Toroidal Silicon steel and Nickel Alloy cores for minimal phase angle error.
✓Monitoring: Ideal for Current, Power, and Energy monitoring devices.
Technical Parameters
Shell PBT Resin UL flame retardant rating 94-V0
Insulation Interior Epoxy Encapsulated
Isolation 2500 Vrms for 1 minute
Resistance 1000 M Ohms at 500 Vdc
Surge 5000V (1.2/50μ S standard shock wave) optional
Temp -25 to +55 degree (Standard) / -40 to +85 degree (Optional)
Frequency 50 to 400 Hz
Compliance RoHS Compliant & CE Approved
Mechanical Advantages
1. All enclosed design provides superior mechanical and insulation performance.
2. Pin design allows for easy installation directly onto PCBs.
3. Small physical footprint allows for use as a standalone component.
4. Linear output ensures high accuracy current measurement.
5. Lightweight construction with standard holes for rapid integration.
Frequently Asked Questions
Q: What is the primary use for the GWTA series?A: It is primarily used for accurately transforming AC current signals into lower voltage or current signals suitable for microprocessor circuits and energy monitoring.
Q: Is the transformer suitable for harsh environments?A: Yes, it features an epoxy-encapsulated interior and a flame-retardant PBT resin shell (UL 94-V0) for high durability.
Q: What accuracy classes are available?A: The GWTA series meets Class 0.1 and Class 0.2 accuracy standards as defined in IEC 60044-1.
Q: Can these be mounted on a PCB?A: Yes, the series includes a pin-design model specifically optimized for easy and stable PCB integration.
Q: What is the isolation voltage rating?A: The unit provides an isolation current protection of 2500 Vrms for 1 minute.
Q: What is the working frequency range?A: The standard working frequency bound is between 20Hz and 20kHz, suitable for 50Hz to 400Hz applications.
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