# Pulse Transformer, 1.333:1, 2 µH, 0.5 ohm

![Product image](https://novapart.co/image/farnell:3977570/)

**URL**: https://novapart.co/products/HCTSM100304FL-E/pulse-transformer-13331-2-h-05-ohm
**SKU**: HCTSM100304FL-E
**Manufacturer**: BOURNS
**Category**: Transformers || Pulse Transformers
**Price**: €3.0600
**Stock**: 200+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 2µH |
| Et Constant | - |
| Turns Ratio | 1.333:1 |
| Dc Resistance | 0.5ohm |
| Product Range | - |
| Isolation Voltage | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3977570/)

## **Features** 

- n Toroid core for high coupling and low radiation 

- n Complies with IEC 60950-1 and IEC 62368-1 

   - n Designed for isolation power supplies 

   - using TI SN6501 and SN6505B 

   - n RoHS compliant* 

- n Reinforced insulation for working voltage up to 1000 V 

- n Hi-Pot: 4200 VAC 

## **HCTSM100304FL High Clearance and Creepage Distance Transformer** 

## ~~**Additional Information**~~ 

## ~~**Product Dimensions**~~ 

Click these links for more information: 

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Click these links for more information: 15.7 ± 0.5<br>(.618 ± .020)<br><= 7<br>PIN 1 PIN 8<br>wSe Ls) weea © m a = A neA<br>PRODUCT Oo TECHNICALLIBRARY INVENTORY SAMPLES CONTACT (.425 ± .016)10.8 ± 0.4<br>— 7 if<br>PIN 4 E Y L, PIN 5<br>General Specifications cL yy<br>OCL (100 kHz / 1 V)  TOP VIEW<br> 1-4 with Pin 2,3 shorted<br>vessstsssssssessees<br>7.5 ± 0.5<br>Leakage Inductance (100 kHz / 0�1 V) 400 WH min. (700 HH typ.) (.295 ± .020) ! rere |<br> 1-4 with Pin 2,3 shorted and  PIN 4 PIN 5<br>Pin 5,6,7,8 shorted...........2.0wH max. A 0.15 PIN 5 aa CS PIN 8<br>DCR 11.0 (.006) 0.3 x 0.6<br>NP1 oe eee 0.50 O max. =i (.433)REF. j-— (.012 x .024) [REF.]<br>NP2 0. ee eeeeeeeeees0.50 O max. 13.5 ± 0.5<br>NSA ooeee (.531 ± .020)<br>NS2 [oe] [eee] 0.500.50 OO max.max. SIDE VIEW SIDE VIEW<br>Turns Ratio (NS:NP).............1.333 + 3 %<br>Volt Second Product..............11 VuS typ.<br>Hi-pot (5 mA, 60 S)..................4200 VAC PIN 4 ~ UJ PIN 5<br>Working Voltage ................. Up to 1000 V<br>Operating Temperature DIMENSIONS: MM<br>devsetttsseeeseeesesssssssseees“40 °C to +125 °C 2.5 ± 0.25 1 co (INCHES)<br>(Temperature rise included) (.098 ± .010) PIN 1 Co) CT PIN 8<br>Storage Temperature (Component)<br>seseeeeetittittitttteseeseeees“40 °C to +125 °C BOTTOM VIEW<br>Clearance/Creepage Distance of<br>YYWW<br>HCTSM100304FL<br>**----- End of picture text -----**<br>


## ~~**How To Order**~~ 

## ~~**Recommended Layout**~~ 

Level of Insulation 

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— (.039)1 i (.079)2 Model HCTSM100304F  L - E<br>RoHS Compliancy Designator<br>~~ | _ __<br>7 | Packaging<br>Co | | E =  400 pcs� per 13-inch Reel,<br>i | += 5 Reels per Box<br>2.5 Electrical Schematic<br>| 10.8 | 4 —_ (.098) PRIMARY SECONDARY<br>(.425)<br>**----- End of picture text -----**<br>


of 1000 V, Overvoltage Category II, Pollution Degree 2, Altitude 2000 m Moisture ESD Sensitivity Level........0..0..1 

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ape<br>**----- End of picture text -----**<br>


## ~~**Packaging Specifications**~~ 

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Electrical Schematic<br>PRIMARY SECONDARY<br>1 8<br>NP1 NS1<br>2 7<br>3 6<br>NP2 NS2<br>4 5<br>POLARITY<br>**----- End of picture text -----**<br>


- RoHS Directive 2015/863, Mar 31, 2015 and Annex. 

**WARNING  Cancer and Reproductive Harm -** www.P65Warnings.ca.gov 

Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **HCTSM100304FL High Clearance and Creepage Distance Transformer** 

## ~~**Reflow Solder Profile**~~ 

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tp<br>TP CRITICAL ZONE<br>RAMP-UP TL TO TP<br>TL<br>TS MAX. t L<br>TS MIN.<br>ts<br>PREHEAT RAMP-DOWN<br>25 °C<br>t  25 °C TO PEAK<br>Time<br>Temperature<br>**----- End of picture text -----**<br>


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Profile Feature Pb-Free Assembly<br>**----- End of picture text -----**<br>


|**Profile Feature**|**Pb-Free Assembly**|
|---|---|
|Average Ramp-Up Rate|3 °C / second max�|
|PREHEAT:<br>Temperature Min� (Tsmin)<br>Temperature Max� (Tsmax)<br>Time (Tsminto Tsmax)|150 °C<br>200 °C<br>60~180 seconds|
|Liquidus Temperature (TL)|217 °C|
|Time Above Liquidus<br>Temperature (tL)|60~150 seconds|
|Peak Temperature (Tp)|245-250 °C|
|Time within 5 °C of Actual Peak<br>Temperature (tp)|20~40 seconds|
|Ramp-Down Rate from Peak<br>Temperature|6 °C / second max|
|Time 25 °C to Peak Temperature<br>(Tp)|8 minutes max�|
|Do Not Exceed|260 °C|



## ~~**Packaging Specifications**~~ 

Specifications and tolerances comply with EIA-481 requirements� 

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30.5<br>(1.201) [MAX.]<br>2.6 ± 0.3<br>(.102 ± .012)<br>21.0 ± 0.8 DIA.<br>(.827 ± .031)<br>330 ± 2.0<br>DIA.<br>(12.992 ± .079)<br>100 ± 2.0<br>(3.937 ± .079) 13.2 +0.8/-0.2<br>DIA. (.520 +.031/-.008) DIA.<br>“A” 24.5 ± 0.2 DETAIL A<br>(.965 ± .008) MM<br>DIMENSIONS:<br>(INCHES)<br>4.00 16.00<br>END (.157) (.630) START<br>YYWW YYWW YYWW YYWW 24.00<br>HCTSM100304FL HCTSM100304FL HCTSM100304FL HCTSM100304FL (.945)<br>TRAILER COMPONENTS LEADER<br>NO COMPONENT NO COMPONENT<br>160 400<br>(6.299) (15.748)<br>MIN. USER DIRECTION OF FEED MIN.<br>QTY: 400 PCS� PER REEL<br>**----- End of picture text -----**<br>


Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

REV� 05/22 

® 

## **Legal Disclaimer Notice** 

This legal disclaimer applies to purchasers and users of Bourns[®] products manufactured by or on behalf of Bourns, Inc. and 

Unless otherwise expressly indicated in writing, Bourns[®] products and data sheets relating thereto are subject to change 

and complete before placing orders for Bourns[®] products. 

The characteristics and parameters of a Bourns[®] product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical requirements in generic applications.  The characteristics and parameters of a Bourns[®] product in a user application may 

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failure of an individual Bourns ® product to meet the requirements of such industry standard or particular qualification. Users of Bourns[®] products are responsible for ensuring compliance with safety-related requirements and standards applicable to 

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on a case-by-case basis, use of any Bourns[®] 

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® standard products that are suitable for use in aircraft “Applications.” Unless expressly and specifically ® standard 

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and the user for which such Bourns[®] custom and the user regarding the use and level of also apply to such Bourns[®] custom products. 

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regulations. Further, Bourns ® products and Bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes.  Bourns[®] products may not, without 

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## Links

- [View this product on Novapart](https://novapart.co/products/HCTSM100304FL-E/pulse-transformer-13331-2-h-05-ohm)
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- [Supplier page](https://es.farnell.com/bourns/hctsm100304fl-e/pulse-transformer-1-333-1-0-5/dp/3977570)
---

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