# TRANSFORMER, 1000:1, 5A, 40OHM

![Product image](https://novapart.co/image/farnell:1615369/)

**URL**: https://novapart.co/products/CST-1005/transformer-10001-5a-40ohm
**SKU**: CST-1005
**Manufacturer**: TRIAD MAGNETICS
**Category**: Transformers || Current Sensing Transformers
**Price**: €4.1100
**Stock**: 10+
**Lead Time**: 214 days (indicative)

## Description

Turns Ratio:1:1000; Inductance:-; Primary Current:5A; ET Constant:-; Frequency Range:50Hz to 60Hz; DC Resistance Secondary:40ohm; DC Resistance Primary:-; Transformer Mounting:Through Hole

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1615369/)

## **50/60 Hz Current Sense Transformers** ~~Be~~ 

## **CST-1005** 

## **Description:** 

Triad current sense transformers are used to detect the current passing through a conductor. These transformers are very reliable and operate efficiently at 50/60 Hz. 

## **Electrical Specifications (@25C)** 

|**IP**<br>**Amps**|**Turns**<br>**Ratio**|**Terminating**<br>**Resistor**|**Terminating**<br>**Resistor**|**DCR**<br>**(Ω)**<br>**Nominal**|**Volts/Amp@ rated IP**<br>**for various loads (Ω)**|**Volts/Amp@ rated IP**<br>**for various loads (Ω)**|**Volts/Amp@ rated IP**<br>**for various loads (Ω)**|**Volts/Amp@ rated IP**<br>**for various loads (Ω)**|**Net**<br>**Weight**<br>**Grams**|
|---|---|---|---|---|---|---|---|---|---|
|||**Ohms**|**Watts**||**100**|**500**|**2K**|**5K**||
|5|1000:1|100|.0025|40|.0958|.4490|1.3694|1.8402|20|



## **Dimensions:** 

**==> picture [298 x 205] intentionally omitted <==**

**----- Start of picture text -----**<br>
A  B  C  D  E  F<br>23.50  24.80  12.00 15.00  7.50  8.50<br>Units: In mm<br>Schematic:<br>L1 O----5---4 O 1<br>Io “ @ ! .” I s<br>1-Turn<br>100 Ohms RL Vout<br>Primary<br>| |<br>L2 oe | 2<br>**----- End of picture text -----**<br>


## **Technical Notes:** 

1. Pin3 for mechanical support only. 

2. Pin diameter is 0.8±0.1 mm. 

3. Pin length is 5±1mm. 

**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 

**==> picture [127 x 384] intentionally omitted <==**

**----- Start of picture text -----**<br>
A<br>F<br>B<br>O<br>C<br>| |<br>=><br>D<br>PIN1  PIN2<br>s ]] l] e<br>E<br>°<br>al Lt<br>PIN3<br>BOTTOM VIEW<br>**----- End of picture text -----**<br>


Web: www.TriadMagnetics.com Phone 951-277-0757 460 Harley Knox Blvd. Fax 951-277-2757 Perris, California  92571 

Publish Date: June 7, 2016 



## Links

- [View this product on Novapart](https://novapart.co/products/CST-1005/transformer-10001-5a-40ohm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/triad-magnetics/cst-1005/transformer-1000-1-5a-40ohm/dp/1615369)
---

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