# Fast / Ultrafast Diode, 600 V, 8 A, Single, 3.4 V, 26 ns, 55 A

![Product image](https://novapart.co/image/farnell:3366902/)

**URL**: https://novapart.co/products/STTH8ST06DI/fast-ultrafast-diode-600-v-8-a-single-34-26-ns-55
**SKU**: STTH8ST06DI
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €0.7950
**Stock**: 10+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 2 Pin |
| Product Range | - |
| Qualification | - |
| Diode Case Style | TO-220AC |
| Diode Configuration | Single |
| Forward Voltage Max | 3.4V |
| Forward Surge Current | 55A |
| Reverse Recovery Time | 26ns |
| Average Forward Current | 8A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 600V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3366902/)

## **STTH8ST06** 

## 600 V tandem extra fast diode 

## − **Datasheet production data** 

## **Description** 

This device is part of ST's second generation of 600 V tandem diodes. It has ultralow switchinglosses with a minimized QRR that makes it perfect for use in circuits working in hard-switching mode. In particular the VF/QRR trade-off positions this device between standard ultrafast diodes and silicon-carbide Schottky rectifiers in terms of price/performance ratio. 

## **Features** 

- High voltage rectifier 

- Tandem diodes in series 

- Very low switching losses 

The device offers a new positioning giving more flexibility to power-circuit designers looking for good performance while still respecting cost constraints. 

Featuring ST's Turbo 2 600 V technology, the device is particularly suited as a boost diode in continuous conduction mode power factor correction circuits. 

- Insulated device with internal ceramic 

- Equal thermal conditions for both 300 V diodes 

- Static and dynamic equilibrium of internal diodes are warranted by design 

- Insulated package: 

   - Insulated voltage: 2500 VRMS sine 

**Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|8 A|
|VRRM|600 V|
|trr(typ)|13 ns|
|IRM(typ)|2 A|
|VF(typ)|2.5 V|
|IFRM|40 A|
|Tj(max)|175 °C|



July 2015 

DocID024150 Rev 2 

1/9 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**STTH8ST06** 

## **1 Characteristics** 

**Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)** 

|**Symbol**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage|Tjfrom 25 to 150 °C|600|V|
|||Tj= -40 °C|550||
|IF(RMS)|Forward rms current||14|A|
|IF(AV)|Average forward current,δ= 0.5, square wave|Tc= 80 °C|8|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal|55|A|
|IFRM|Repetitive peak forward current|Tc= 80 °C,δ= 0.1|40|A|
|Tstg|Storage temperature range||-65 to +175|°C|
|Tj|Operating junction temperature range||-40 to +175|°C|



**Table 3. Thermal parameters** 

**Symbol Parameter Value Unit** R Junction to case 2.9 °C/W th(j-c) **Table 4. Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit** T = 25 °C - 6 IR(1) Reverse leakage current j VR = VRRM µA T = 125 °C - 20 200 j T = 25 °C - 3.4 VF(2) Forward voltage drop j IF = 8 A V T = 150 °C - 2.5 3.1 ~~PES~~ j 1. Pulse test: tp = 5 ms, δ < 2% 2. Pulse test: tp = 380 µs, δ < 2% 

To evaluate the conduction losses use the following equation: P = 2.2 x IF(AV) + 0.113 IF[2] (RMS) 

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**Characteristics** 

**Table 5. Dynamic characteristics** 

||**Table 5. Dynamic characteristicsynamic characteristicsnamic characteristics**|**Table 5. Dynamic characteristicsynamic characteristicsnamic characteristics**|||||
|---|---|---|---|---|---|---|
|**Symbol**<br>**Parameter**|**Parameter**<br>**Test conditions**||**Min.**|**Min.**<br>**Typ.**|**Max.**|**Unit**|
|trr<br>Reverse recovery time|Reverse recovery time<br>Tj= 25 °C|IF= 1 A, VR= 30 V,<br>dIF/dt = -50 A/µs|-|20|26|ns|
|||IF= 8 A, VR= 400 V,<br>dIF/dt = -200 A/µs|-|13|17||
|IRM<br>Reverse recovery current|Reverse recovery current<br>Tj= 125 °C<br>Softness factor|IF= 8 A, VR= 400 V,<br>dIF/dt = -200 A/µs|-|2|2.6|A|
|S<br>Softness factor|||-|0.9||-|
|QRR<br>Reverse recovery charge|Reverse recovery charge<br>Tj= 25 °C<br>Tj= 125 °C||-|4||nC|
||||-|20|||



**Figure 1. Average forward power dissipation versus average forward current** 

**Figure 2. Forward voltage drop versus forward current (typical values)** 

**==> picture [449 x 359] intentionally omitted <==**

**----- Start of picture text -----**<br>
40 [TTTITITIITIIJIIITIITIITIII PF(AV)(W)  I 100.0 I === FM(A) === === SSS SS SS<br>3530 EEEEEEEELttrt| | δ=0.05 δ=0.1 δ=0.2 TEER| δ=0.5 [|EE δ=1 [| | aBe T a j=150 °C SSeSa<br>25 FERRE [[/_|CA|TA LID L_| | 10.0 Ltt tt eee[ {| [| betTLEery Tj=25 °C  TT<br>20 EECCA[| vA [At At | ABRS SSS eee e e eeee<br>Tj=125 °C<br>15 / A<br>SOYA 1.0 EEA ERECT PEER<br>10<br>T<br>BE SLEoea eee e aeeen M2 222a A-=7==2=2==22===2====2=2=<br>5 _lygati Pett CCCBEECCCCEEEE<br>0 PASEFTZana [tilt] [iti] I F(AV) (A) SEER [ [Tt] δ [=tp/T] tp 0.1 COEEeeeee VFM(V)<br>0 1 2 3 4 5 6 7 8 9 10 11 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0<br>Figure 3. Relative variation of thermal  Figure 4. Peak reverse recovery current versus<br>impedance, junction to case, versus pulse  dIF/dt (typical values)F/dt (typical values)/dt (typical values)<br>duration<br>Zth(j-c)/Rth(j-c) IRM(A)<br>1.00.9 EHH rT 7<br>A EE 6 tescovay TT| | |  TET| | | | [ | TTT| tf TTft ft fe<br>0.8 A A iLT ee<br>no SeE<br>0.7 CCCI a Oo re | eer |<br>A 2A Ce ea SIS | = eva<br>0.6 6 COLELLO<br>0 2 4 3H<br>0.5<br>0.4 SetA AeerieAtenet ett eet 3 HeeeeeegASaeeeeeeeoeeCEE<br>Cc coe oo no Bz<br>0.3 Single pulse aT0 CT PT ot CIGAR|TACEELELELLELLLLyTe em i<br>0.2 WA<br>02MIn iLlAn>4<br>0.1 > cA | [ALE<br>0.0 PervAiil TT TT t p (s) | I 0 7PPPEEEEEEELELLEELLEEE & aiaFl ET aus)<br>1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 0 100 200 300 400 500 600 700 800 900 1000<br>**----- End of picture text -----**<br>


**Figure 4. Peak reverse recovery current versus dIF/dt (typical values)F/dt (typical values)/dt (typical values)** 

DocID024150 Rev 2 

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**Characteristics** 

**STTH8ST06** 

**Figure 5. Reverse recovery time versus dIF/dt (typical values)** 

**Figure 6. Reverse recovery charges versus dI** F **/dt (typical values)** 

**==> picture [288 x 137] intentionally omitted <==**

**----- Start of picture text -----**<br>
4540 Q SEEEEEEEEEEEES RR(nC) T VjR =125 °C =400 V fT | [| | [| | J tT fT pe ft yf fy ft<br>T eer = 125°C | 35 ne6 n I F =2 x I F(AV) e e e<br>30 FERRENEE ER EER<br>tt |[| | | | [ | brewLe iT TT TTT ty<br>ee 25 [ | | | | |ePeerTWN<br>CeCe I F TT =I F(AV)  TyCee eee<br>20 a aeeCee<br>15 eer7 I F =0.5 x I F(AV) ee<br>| Hae ee<br>— tL<br>10 [yi | | | | | | | ty tT | | Pm<br>+H 5 <APOOLEeee eeeeer ty<br>dI F /dt(A/µs)<br>Reem | 0 EEPPLPPrPrerrrereereEEEEEEEEEEEEEEEEey<br>800 900 1000 0 100 200 300 400 500 600 700 800 900 1000<br>**----- End of picture text -----**<br>


**Figure 7. Reverse recovery softness factor versus dI** F **/dt (typical values)** 

**Figure 8. Relative variations of dynamic parameters versus junction temperature** 

**==> picture [449 x 149] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.2 SFACTOR 2.00<br>1.0 TVI j R=125 F=400 V=IF(AV°)C PTrEELEEETTT EET EELyeeLett 1.75 Cleea a | | | 4 Reference: T VIR F =400 V=I F(AV) j =125 °C<br>0.8 I[+TTLif ITEtIT | tt PT Pree et PtETtt 1.50 Popo— SFACTOR Sta<br>PEELE EL ELE LEE KLE 1.25 a ea a ee<br>0.6<br>Fttt Tt ty et ty ee ty TP =PAS 1.00 a a Y<br>BRR a ce<br>0.4 RRR 0.75 a a neels<br>I RM<br>0.50<br>0.2 BRR — Se<br>dI F /dt(A/µs) 0.25 QRR Tj(°C)<br>0.0 CECEEETe fet peepreer 0.00 a eso<br>0 100 200 300 400 500 600 700 800 900 1000<br>25 50 75 100 125<br>dIF/dt(A/µs)<br>**----- End of picture text -----**<br>


**Figure 9. Junction capacitance versus reverse voltage applied (typical values)** 

**Figure 10. Relative variation of non-repetitive peak surge forward current versus pulse duration** 

**==> picture [441 x 143] intentionally omitted <==**

**----- Start of picture text -----**<br>
100 C(pF) 4.0 IFSM(tp)/IFSM (10ms)<br>F=1 MHz sinusoidal waveform<br>V OSC =30 mV RMS<br>FA T j =25 °C : 3.5 KE LTTE<br>a DANG eel<br>3.0<br>SFT LN<br>10 tr TI 2.5 PING SSEEE<br>ee ee IN<br>afT ET ET 2.0 rf ENN A ET<br>a ee<br>1.5<br>1 aa VR(V) ili 1.0 Bet+HH! ,tp (ms) —} >"Mt<br>1 10 100 1000 0.1 1.0 10.0<br>**----- End of picture text -----**<br>


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**Characteristics** 

**Figure 11. Relative variation of non-repetitive peak surge forward current versus initial junction temperature (sinusoidal waveform)** 

**==> picture [191 x 136] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.2 IFSM(T )/Ij FSM(25 °C)<br>1.0 Os<br>a<br>0.8 TolLOSES<br>ee<br>0.6 Os<br>Os<br>0.4 Os<br>Os<br>0.2 se<br>0.0 Os a Tj (°C)<br>25 50 75 100 125 150 175<br>**----- End of picture text -----**<br>


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**STTH8ST06** 

**Package information** 

## **2 Package information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque: 0.55 N·m 

- Maximum torque: 0.7 N·m 

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK[®] packages, depending on their level of environmental compliance. ECOPACK[®] specifications, grade definitions and product status are available at: _www.st.com_ . ECOPACK[®] is an ST trademark. 

## **2.1 TO-220AC ins. package information** 

## **Figure 12. T0-220AC ins. package outline** 

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**Package information** 

**Table 6. T0-220AC ins. package mechanical data** 

||**Table 6. T0-220AC ins. package mechanical datapackage mechanical dataackage mechanical datage mechanical datae mechanical data**|**Table 6. T0-220AC ins. package mechanical datapackage mechanical dataackage mechanical datage mechanical datae mechanical data**|**Table 6. T0-220AC ins. package mechanical datapackage mechanical dataackage mechanical datage mechanical datae mechanical data**|**Table 6. T0-220AC ins. package mechanical datapackage mechanical dataackage mechanical datage mechanical datae mechanical data**|**Table 6. T0-220AC ins. package mechanical datapackage mechanical dataackage mechanical datage mechanical datae mechanical data**|**Table 6. T0-220AC ins. package mechanical datapackage mechanical dataackage mechanical datage mechanical datae mechanical data**|
|---|---|---|---|---|---|---|
|**Ref.**<br>~~a~~|**Dimensions**<br>~~a~~||||||
||**Millimeters**<br>~~a~~<br>~~ee~~<br>~~aee~~<br>|||**Inches**<br>~~a~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>|||
||**Min.**<br>~~ee~~<br>~~a~~<br>|**Typ.**<br>~~ee~~<br>~~ee~~<br>|**Max.**<br>~~ee~~<br>~~ee~~<br>|**Min.**<br>~~ee~~<br>~~ee~~<br>|**Typ.**<br>~~ee~~<br>~~ee~~<br>|**Max.**<br>~~ee~~<br>~~ee~~<br>|
|A<br>~~a~~|15.20<br>~~a~~<br>|~~ee~~<br>|15.90<br>~~ee~~<br>|0.598<br>~~ee~~<br>|~~ee~~<br>|0.625<br>~~ee~~<br>|
|a1<br>~~aee~~|~~a ~~<br>~~ee~~|3.75<br> ~~ee~~<br>~~ee~~|~~ee ~~<br>~~ee~~|~~ee~~<br>~~ee~~|0.147<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee~~|
|a2<br>~~es~~|13.00<br>~~es~~|~~es~~|14.00<br>~~es~~|0.511<br>~~es~~|~~es~~|0.551<br>~~es~~|
|B<br>~~es~~|10.00<br>~~es~~|~~es~~|10.40<br>~~es~~|0.393<br>~~es~~|~~es~~|0.409<br>~~es~~|
|b1<br>~~es~~|0.61<br>~~es~~|~~es~~|0.88<br>~~es~~|0.024<br>~~es~~|~~es~~|0.034<br>~~es~~|
|b2<br>~~es~~|1.23<br>~~es~~|~~es~~|1.32<br>~~es~~|0.048<br>~~es~~|~~es~~|0.051<br>~~es~~|
|C<br>~~es~~|4.40<br>~~es~~|~~es~~|4.60<br>~~es~~|0.173<br>~~es~~|~~es~~|0.181<br>~~es~~|
|c1<br>~~a~~|0.49||0.70|0.019||0.027|
|c2<br>~~a~~|2.40<br>||2.72<br>|0.094<br>||0.107<br>|
|e<br>~~es~~|4.80<br>~~es~~|~~es~~|5.40<br>~~es~~|0.189<br>~~es~~|~~es~~|0.212<br>~~es~~|
|F|6.20||6.60|0.244||0.259|
|ØI<br>~~a~~|3.75<br>||3.85<br>|0.147<br>||0.151<br>|
|I4<br>~~es~~|15.80<br>~~es~~|16.40<br>~~es~~|16.80<br>~~es~~|0.622<br>~~es~~|0.646<br>~~es~~|0.661<br>~~es~~|
|L<br>~~a~~|2.65||2.95|0.104||0.116|
|l2<br>~~a~~|1.14<br>||1.70<br>|0.044<br>||0.066<br>|
|M<br>~~es~~|~~es~~|2.60<br>~~es~~|~~es~~|~~es~~|0.102<br>~~es~~|~~es~~|



DocID024150 Rev 2 

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**Ordering information** 

**STTH8ST06** 

## **3 Ordering information** 

**Table 7. Ordering information** 

**Order code Marking Package Weight Base qty Delivery mode** STTH8ST06DI STTH8ST06DI TO-220AC ins 2.3 g 50 Tube ~~———~~ 

**4 Revision history** 

**Table 8. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|14-May-2013|1|Initial release|
|27-Jul-2015|2|Updated_Features_,_Table 2_,_Table 7_,_Figure 4_and torque<br>value.|



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## **IMPORTANT NOTICE – PLEASE READ CAREFULLY** 

STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. 

Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. 

No license, express or implied, to any intellectual property right is granted by ST herein. 

Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. 

ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. 

Information in this document supersedes and replaces information previously supplied in any prior versions of this document. 

© 2015 STMicroelectronics – All rights reserved 

DocID024150 Rev 2 

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