# TVS Diode, Unidirectional, 24 V, 40 V, R6, 2 Pins

![Product image](https://novapart.co/image/farnell:2806780/)

**URL**: https://novapart.co/products/LDP24ARL/tvs-diode-unidirectional-24-v-40-r6-2-pins
**SKU**: LDP24ARL
**Manufacturer**: STMICROELECTRONICS
**Category**: Circuit Protection || TVS - Transient Voltage Suppressors || TVS Diodes
**Price**: €1.2600
**Stock**: 10+
**Lead Time**: 127 days (indicative)

## Description

Product Range:-; TVS Polarity:Unidirectional; Reverse Stand-Off Voltage Vrwm:24V; Clamping Voltage Vc Max:40V; Diode Case Style:R6; No. of Pins:2Pins; Breakdown Voltage Min:25V; Breakdown

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 2Pins |
| Tvs Polarity | Unidirectional |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | R6 |
| Clamping Voltage Max | 40V |
| Reverse Standoff Voltage | 24V |
| Maximum Breakdown Voltage | 32V |
| Minimum Breakdown Voltage | 25V |
| Operating Temperature Max | 175°C |
| Peak Pulse Power Dissipation | 5W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2806780/)

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## **LDP24A** TRANSIENT PROTECTION LOAD DUMP 

## **FEATURES** 

- n TRANSIENT VOLTAGE SUPPRESSOR DIODE ESPECIALLY DESIGNED FOR LOAD DUMP PROTECTION 

- n COMPLIANT WITH MAIN STANDARDS SUCH AS: ISO / DTR 7637 

## **DESCRIPTION** 

Transient voltage suppressor diodes especially useful in protecting integrated circuits, MOS, hybrids and other overvoltages sensitive semiconductors and components. 

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R6<br>**----- End of picture text -----**<br>


## **ABSOLUTE RATINGS** (limiting values) 

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Symbol Parameter Value Unit<br>VPP Peak pulse load dump overvoltage Tamb = 85°C 100 V<br>See note 1<br>P Power dissipation on infinite heatsink Tamb = 100°C 5 W<br>IFSM Non repetitive surge peak forward current. Tj initial = 25°C 500 A<br>tp = 10 ms<br>Tstg Storage temperature range. - 65 to + 175 °C<br>Tj Maximum operating temperature 175 °C<br>TL Maximum lead temperature for soldering 230 °C<br>during 10 sec at 4 mm from case.<br>**----- End of picture text -----**<br>


## **THERMAL RESISTANCES** 

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Symbol Parameter Value Unit<br>Rth (j-a) Junction ambient thermal resistance on infinite heatsink 15 °C/W<br>Llead = 10 mm<br>**----- End of picture text -----**<br>


**Note 1:** For surges greater than the maximum values, the diode will present a short-circuit Anode - Cathode. 

November 2003 - Ed: 7C 

1/5 

**LDP24A** 

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I<br>IF<br>VCL VBR<br>VRM VF<br>V<br>I RM<br>I PP<br>**----- End of picture text -----**<br>


## **ELECTRICAL CHARACTERISTICS** 

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Symbol Parameter<br>VRM Stand-off voltage.<br>VBR Breakdown voltage. VCL VBR<br>VCL Clamping voltage. VRM VF<br>IPP Peak pulse current. V<br>I RM<br>αT Temperature coefficient of VBR.<br>C Capacitance<br>IRM Leakage current at VRM<br>VF Peak forward voltage drop<br>I PP<br>Symbol Test Conditions Min. Typ. Max. Unit<br>Ipp Pulse duration: 40ms 30 A<br>IRM Tj = 25°C VRM = 24 V 50 µA<br>Tj = 85°C VRM = 24 V 300 µA<br>VBR Tj = 25°C IR = 1mA 25 32 V<br>VCL Tj = 85°C see table1 40 V<br>αT 10 10 [-4] /°C<br>C F = 1MHz VR = 0V 8000 pF<br>VF IFM = 10A 0.9 V<br>**----- End of picture text -----**<br>


## **LOAD DUMP TEST GENERATOR CIRCUIT (SCHAFFNER NSG 506 C). Issued from ISO / DTR 7637.** 

## **Table 1** 

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Open circuit (voltage curve)<br>(Pulse test n°5)<br>t<br>U(V)<br>t r<br>90 % offset<br>10% / 13.5V<br>Vs<br>10%<br>Vbat<br>t<br>0<br>**----- End of picture text -----**<br>


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Impulse N°5<br>Vs (V) 86.5<br>Vbat (V) 13.5<br>Ri (Ω) 2<br>t (ms) 200 (*)<br>tr (ms) <10<br>Number 5<br>60s between each pulse<br>(*) Generator setting<br>**----- End of picture text -----**<br>


2/5 

**LDP24A** 

**Fig. 1:** Peak pulse power versus exponential pulse duration (Tj initial=85°C). 

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Ppp(kW)<br>10.0<br>5.0<br>2.0<br>1.0<br>0.5<br>0.2<br>tp(ms)<br>0.1<br>1 2 5 10 20 50 100<br>**----- End of picture text -----**<br>


**Fig. 3:** Relative variation of peak pulse power versus junction temperature. 

**Ppp[Tj] / Ppp [Tj initial=85°C]** 

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1.2<br>1.0<br>0.8<br>0.6<br>0.4<br>0.2<br>Tj (°C)<br>0.0<br>0 25 50 75 100 125 150 175 200<br>**----- End of picture text -----**<br>


**Fig. 5:** Variation of thermal impedance junction to ambient versus pulse duration (printed circuit board FR4, e(Cu)=35µm, SCu=1cm[2] ). 

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Zth(j-a)(°C/W)<br>100.0<br>Lleads=10mm<br>10.0<br>1.0<br>tp(s)<br>0.1<br>1E-2 1E-1 1E+0 1E+1 1E+2 1E+3<br>**----- End of picture text -----**<br>


**Fig. 2 :** Peak pulse current versus exponential pulse duration (Tj initial=85°C). 

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Ipp(A)<br>200<br>100<br>50<br>20<br>tp(ms)<br>10<br>1 2 5 10 20 50 100<br>**----- End of picture text -----**<br>


**Fig. 4:** Continous power dissipation versus ambient temperature. 

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P(W)<br>6<br>Rth(j-a)=Rth(j-l)<br>5<br>4<br>3<br>2 Rth(j-a)=50°C/W<br>1<br>Tamb(°C)<br>0<br>0 25 50 75 100 125 150 175<br>**----- End of picture text -----**<br>


**Fig. 6 :** Peak forward voltage drop versus peak forward current (typical values). 

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IFM(A)<br>200<br>100<br>Tj=125°C<br>10 Tj=25°C<br>VFM(V)<br>1<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0<br>**----- End of picture text -----**<br>


3/5 

## **LDP24A** 

**Fig. 7:** Non repetitive surge peak forward current versus sinusoidal pulse duration and corresponding value of I[2] t. 

**Fig. 8:** Junction capacitance versus reverse applied voltage. 

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IFSM(A) , I²t(A²s)<br>5000<br>Tj initial=25°C<br>I²t<br>2000<br>1000<br>500 IFSM<br>200<br>tp(ms)<br>100<br>10 20 50 100<br>**----- End of picture text -----**<br>


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C(nF)<br>10<br>F=1MHz<br>Vosc=30mV<br>5<br>2<br>VR(V)<br>1<br>1 2 5 10 20 50<br>**----- End of picture text -----**<br>


## **ORDER CODE** 

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LDP     24     A<br>AG Case<br>Load Dump Protection<br>Stand Off Voltage<br>**----- End of picture text -----**<br>


4/5 

**LDP24A** 

## **PACKAGE MECHANICAL DATA** 

R6 (Plastic) 

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B A B<br>∅ D<br>∅ C<br>**----- End of picture text -----**<br>


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DIMENSIONS<br>REF. Millimeters Inches<br>Min. Typ. Max. Min. Typ. Max.<br>A 8.6 9.1 0.338 0.358<br>B 25.4 1<br>∅ C 8.6 9.1 0.338 0.358<br>∅ D 1.2 1.3 0.047 0.051<br>**----- End of picture text -----**<br>


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Type Marking Package Weight Base qty Delivery mode<br>LDP24A LDP24A R6 2.048 g 100 Ammopack<br>LDP24ARL LDP24A R6 2.048 g 1000 Tape & Reel<br>**----- End of picture text -----**<br>


> n Resin meets UL94-V0 

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. 

The ST logo is a registered trademark of STMicroelectronics. 

All other names are the property of their respective owners. 

© 2003 STMicroelectronics - All rights reserved. 

STMicroelectronics GROUP OF COMPANIES 

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## **www.st.com** 

5/5 



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