# CURRENT TRANSFORMER, 1:166, 10A, THT
**URL**: https://novapart.co/products/CSE186L/current-transformer-1166-10a-tht
**SKU**: CSE186L
**Manufacturer**: TRIAD MAGNETICS
**Category**: Transformers || Current Sensing Transformers
**Price**: €1.8000
**Stock**: 10+
**Lead Time**: 214 days (indicative)
## Description
Turns Ratio:1:166; Inductance:-; Primary Current:10A; ET Constant:30000Vµs; Frequency Range:50Hz to 400Hz; DC Resistance Secondary:0.023ohm; DC Resistance Primary 55X4443
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Inductance | - |
| Et Constant | 30000Vµs |
| Turns Ratio | 1:166 |
| Product Range | CSE Series |
| Frequency Range | 50Hz to 400Hz |
| Primary Current | 10A |
| Transformer Mounting | Through Hole |
| Dc Resistance Primary | 0.002ohm |
| Transformer Terminals | PC Pin |
| Dc Resistance Secondary | 0.023ohm |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2906299/)
## **Current Sense / Low Frequency Transformers**
## **C S E 1 8 6 L**
## **Description:**
Triad’s low frequency current sense transformers are designed to monitor current from 0.1 to 10 ampere at frequencies from 50 Hz to 400 Hz
## **Electrical Specifications at 25º C:**
**Turns ratio:** Primary to sense 1: 166 **Suggested burden resistor:** 60
**Typical output:** See response curve below **Primary DCR:** 2.0 mΩ maximum **Sense DCR:** 23 Ω maximum **Operating Temperature:** -30°C to 95°C **Storage Temperature:** -50°C to 125°C
**Maximum input:** 10Arms, 0-240VAC circuit
**Maximum output voltage:** 4.0Vrms. Burden resistor value must be selected to not exceed this voltage.
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Response Curve: ical
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## **Construction:**
These transformers are provided with Recognized Component electrical insulation system (OBJY2), Class 130 (B), designated “B3”. Products are designed, built and 100% tested for a hi-pot of 2500V, winding to winding and 1250V, winding to core.
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a 10.5 t
PC BOARD
LAYOUT
PRIMARY SECONDARY
2A7 a 85
SCHEMATIC
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## **Agency Files:**
UL file E50476 – Electrical Insulation Systems, Class “B3”, 130C UL file E205349 – Component, Instrument Transformer (XODW2)
**RoHS Compliance:** As of manufacturing date February 2005, all standard products meet the requirements of 2011/65/EU, known as the RoHS initiative.
*Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics website for the most current version. For soldering and washing information please see http://www.triadmagnetics.com/faq.html
web:www.TriadMagnetics.com 460 Harley Knox Blvd. Phone 951-277-0757 Perris, California 92571 Fax 951-277-2757
Publish Date: December 21, 2017
## Links
- [View this product on Novapart](https://novapart.co/products/CSE186L/current-transformer-1166-10a-tht)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/triad-magnetics/cse186l/current-transformer-1-166-10a/dp/2906299)
---
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