# Fast / Ultrafast Diode, 650 V, 80 A, Single, 1.85 V, 70 ns, 700 A

![Product image](https://novapart.co/image/farnell:4913908/)

**URL**: https://novapart.co/products/STTH80L065WLY/fast-ultrafast-diode-650-v-80-a-single-185-70-ns
**SKU**: STTH80L065WLY
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €2.5800
**Stock**: 200+
**Lead Time**: 107 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| No. Of Pins | 2 Pin |
| Product Range | - |
| Qualification | AEC-Q101 |
| Diode Case Style | DO-247LL |
| Diode Configuration | Single |
| Forward Voltage Max | 1.85V |
| Forward Surge Current | 700A |
| Reverse Recovery Time | 70ns |
| Average Forward Current | 80A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 650V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4913908/)

**STTH80L065WLY** 

Datasheet 

**==> picture [62 x 34] intentionally omitted <==**

Automotive 650 V, 80 A ultrafast low forward voltage drop rectifier 

**==> picture [85 x 123] intentionally omitted <==**

**----- Start of picture text -----**<br>
A K<br>K<br>A<br>K<br>DO-247 LL<br>**----- End of picture text -----**<br>


## **Features** 

- PPAP capable 

- AECQ-101 qualified 

- Ultrafast switch 

- Low forward voltage 

- Reduce conduction losses 

- Operating Tj from -40 °C to +175 °C 

- ECOPACK2 compliant 

**==> picture [159 x 87] intentionally omitted <==**

**----- Start of picture text -----**<br>
Product label<br>**----- End of picture text -----**<br>


## **Applications** 

- EV Charging station 

- OBC (On board battery chargers) 

- Boost PFC 

## **Description** 

The STTH80L065WLY, featuring ST’s new ultrafast 650 V technology, is suitable for switching power supplies and industrial applications, including rectification and discontinuous mode PFC boost diodes. Its low forward voltage characteristics enable high performance in freewheeling applications. 

## **Product status link** 

STTH80L065WLY 

|**Product summary**|**Product summary**|
|---|---|
|**Symbol**|**Value**|
|**IF(AV)**|80 A|
|**VRRM**|650 V|
|**VF(typ.)**|1.15 V|
|**Tj**|-40 to +175 °C|



**DS15080** - **Rev 2** - **November 2025** For further information, contact your local STMicroelectronics sales office. 

www.st.com 

**STTH80L065WLY Characteristics** 

**1 Characteristics** 

**Table 1. Absolute ratings (limiting values at 25 °C, unless otherwise specified)** 

|**Symbol**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage (Tj= -40 °C to +175 °C)||650|V|
|IF(RMS)|Forward rms current||95|A|
|IF(AV)|Average forward current, δ = 0.8, square wave|TC= 125 °C|80|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal|700|A|
|Tstg|Storage temperature range||-65 to +175|°C|
|Tj|Operating junction temperature range||-40 to +175|°C|



**Table 2. Thermal resistance parameter** 

|**Symbol**|**Parameter**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|
|Rth(j-c)|Junction to case|0.28|0.40|°C/W|



For more information, refer to the following application note related to the thermal management: 

- AN5088: Rectifiers thermal management, handling and mounting recommendations 

**Table 3. Static electrical characteristics** 

|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR(1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|-||65|µA|
|||Tj= 175 °C||-|440|4400||
|VF(2)|Forward voltage drop|Tj= 25 °C|IF= 80 A|-|1.40|1.85|V|
|||Tj= 125 °C||-|1.15|1.55||
|||Tj= 175 °C||-|1.05|1.35||



_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 = 0.85 x IF(AV) + 0.0063 x IF[2] (RMS) 

For more information, refer to the following application notes related to the power losses: 

- AN604: Calculation of conduction losses in a power rectifier 

- AN4021: Calculation of reverse losses on a power diode 

**DS15080** - **Rev 2** 

**page 2/10** 

**STTH80L065WLY Characteristics** 

**Table 4. Dynamic electrical characteristics** 

|**Symbol**<br>~~7~~|**Parameter**<br>~~e~~|**Test conditions**<br>~~eee~~|**Test conditions**<br>~~eee~~|**Min.**<br>~~e~~|**Typ.**<br>~~e~~<br>~~eee~~|**Max.**<br>~~e~~<br>~~eee~~|**Unit**<br>~~e~~<br>~~eee~~|
|---|---|---|---|---|---|---|---|
|trr|Reverse recovery time|Tj= 25 °C|IF= 0.5 A, Irr= 0.25 A, IR= 1 A|-|~~eee~~|70<br>~~eee~~|ns<br>~~eee~~|
||||IF= 1 A, VR= 30 V, dIF/dt = -50 A/µs|-|70|100||
|IRM(1)|Reverse recovery current|Tj= 125 °C|IF= 80 A, VR= 400 V, dlF/dt = -200 A/µs|-|17|24|A|
|Qrr(1)|Reverse recovery charge|||-|2500||nC|
|trr(1)|Reverse recovery time|||-|280||ns|



_1. Measurements taken at 10% of IRM, S = tb/ta_ 

**Figure 1.** 

For more information, refer to the following application notes related to the power losses: 

- AN5028: Calculation of turn-off power losses generated by an ultrafast diode 

**DS15080** - **Rev 2** 

**page 3/10** 

**STTH80L065WLY Characteristics** 

## **1.1 Characteristics (curves)** 

**Figure 2. Average forward power dissipation versus average forward current (square waveform)** 

**==> picture [236 x 20] intentionally omitted <==**

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Figure 3. Forward voltage drop versus forward current<br>(typical values)<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
150 A P(W) Oe OO Oe Oe Oe OO Oe OO Oe OOO OO 1.E+02 I ee F(A)  ee ————————<br>140 EEEEEEEe δ = 0.8 δ = 1 _— —ee<br>130 EERE eet ———oe<br>120 δ = 0.5 Po}fe<br>EEE a Oe<br>110 yEEE EEE EEE EEEEEE A nea) 4 1.E+01 |)OL OP OTT<br>100 FEEHEEEEEEEEEEEa SEER δ = 0.2 aon” 40074CEPReneeee ee oeSSaraeAPAae aeA ae Tj = -40 °C<br>90 δ = 0.1<br>HAREIERERA(LERESpOMERED’a WOOO ATCAP/240S REELS fs=a|eae a ere<br>80 2cEET TTT TTT Tryee,Tyr eee?A ae eee 1.E+00 nnn f 44A 47~~ L. a Tj = 25 °C<br>7060 seeseedaue/durceuezae;2aeeeseeeeseeeacae P- L Tj = 125 °C<br>EEEEEEEEEGE f F<br>50 a A,EEE EEE EEEEEEEEEEEEEH rr.=———| fffeIf Pee e Tj = 175 °C rid<br>40 FEECCHE Ae ECE 1.E-01 ee ewe a<br>CEE EEE Ae ee ——<br>30 EEE Pa EERE CHET = =<br>20 BeneOOFse seneeeeeeeeeeeee PPTEEEry ofa | A A rr<br>100 eo co _Setp/T rp Hd IF(AV)(A) 1.E-02 i A A [ VF(V)<br>0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 0.0 0.5 1.0 1.5<br>**----- End of picture text -----**<br>


**Figure 4. Forward voltage drop versus forward current (maximum values)** 

**Figure 5. Relative variation of thermal impedance junction to case versus pulse duration** 

**==> picture [482 x 356] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.E+02 _——— IF(A) a ee ee 1.0 Z CT th(j-c)/Rth(j-c) TTT TT)<br>SS oe eae 0.9 LE I TIZTE<br>aaCaa OaaaCC acel el Bo A ae LT PIE ITET/<br>0.8<br>1.E+01 popCLL Oa| ee PTLTTE EITITIPATII AT<br>——— a a ee Tj = -40 °C 0.7 LTT TT PIT TPETT<br>nASpanner 4s Sener aeneeee Tj = 25 °C 0.6 EHHEHE<br>1.E+00 0.5<br>eeeeySSSJ | A 7 LF — St Tj = 125 °C LTE EI PT TPACIP/<br>ee A aegeseeeeSeets7 aaA | Ss[| | CE 0.4 Ycy, { Ht<br>Tj = 175 °C 0.3<br>1.E-01 FJIA EE | GTSf.<br>eee any nC SaneYE Yiee ce | ||ed ee en ee | 0.2 LO PIE If AZT<br>eee er oe 0.1 Single pulse /<br>1.E-02 aa a en ae VF(V) c e l ee tp(s)<br>0.0 LI VIAL 0.5 eT ATT 1.0 PEPE tt 1.5 tt 2.0 0.0 Ett EMCEELe CIEE ll<br>1.E-6 1.E-5 1.E-4 1.E-3 1.E-2 1.E-1 1.E+0 1.E+1<br>Figure 6. Peak reverse recovery current versus dIF/dt Peak reverse recovery current versus dIF/dt F/dt /dt  Figure 7. Reverse recovery time versus dIF/dt<br>(typical values) (typical values)<br>IRM(A) TRR(ns)<br> 80.0  400.0<br> 70.0 TVjR = 125 °C = 400 V 80 A  350.0 TVjR = 125 °C = 400 V<br> 60.0 50.0 a  300.0 250.0 SRN<br>80 A<br>40 A<br> 40.0 ee 40 A  200.0 LON<br> 30.0 ee 20 A  150.0 Ne Ne<br> 20.0 ee ee  100.0 a<br> 10.0  50.0<br>20 A<br>dIF/dt(A/µs) dIF/dt(A/µs)<br> 0.0 aS  0.0 PLETE ETE TET<br> 0  100  200  300  400  500  600  700  800  900 1 000  0  100  200  300  400  500  600  700  800  900 1 000 1 100 1 200<br>**----- End of picture text -----**<br>


**Figure 6. Peak reverse recovery current versus dIF/dt Peak reverse recovery current versus dIF/dt F/dt /dt (typical values)** 

**DS15080** - **Rev 2** 

**page 4/10** 

**STTH80L065WLY Characteristics** 

**==> picture [491 x 180] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 8. Reverse recovery charges versus dIF/dt  Figure 9. Reverse recovery softness factor versus dIF/dt<br>(typical values) (typical values)<br>QRR(µC) Sfactorfactor<br> 6.0 4.0<br> 5.5 ge VTjR = 125 ° C = 400 V a 3.5 TVjR = 125 °C = 400 VVjR = 125 °C = 400 VjR = 125 °C = 400 VR = 125 °C = 400 V = 125 °C = 400 V = 400 V rT<br> 5.0 PrPrrryrryyy DLLIELLLLIL<br> 4.5 a ey 3.0 Nee<br>80 A<br> 4.0<br> 3.5 ptt tf | foe tt 2.5 eaNe eee<br> 3.0 | 2.0 a<br> 2.5 eTTa PtyRRLRRL<br>ee 1.5 COOOL<br> 2.0 eT ——<br> 1.5 eee 20 A | 40 A 1.0 Pty ey ey eT Ty<br> 1.0<br> 0.5 P pprrrfryyyyy 0.5 PT tT tT TT TTT<br> 0.0  0  100 a  200  300  400  500  600  700  800  900 1 000dIF1 100 ry /dt(A/µs)1 200 0.0 PLE;TETTET ett tt dIF/dt(A/µs)F/dt(A/µs)/dt(A/µs)<br>**----- End of picture text -----**<br>


**==> picture [226 x 152] intentionally omitted <==**

**----- Start of picture text -----**<br>
Sfactorfactor<br>4.0<br>3.5 TVjR = 125 °C = 400 VVjR = 125 °C = 400 VjR = 125 °C = 400 VR = 125 °C = 400 V = 125 °C = 400 V = 400 V rT<br>DLLIELLLLIL<br>3.0 Nee<br>2.5 eaNe eee<br>2.0 a<br>PtyRRLRRL<br>1.5 COOOL<br>——<br>1.0 Pty ey ey eT Ty<br>0.5 PT tT tT TT TTT<br>dIF/dt(A/µs)F/dt(A/µs)/dt(A/µs)<br>0.0 PLE;TETTET ett tt<br> 0  100  200  300  400  500  600  700  800  900 1 000 1 100 1 200<br>**----- End of picture text -----**<br>


**Figure 10. Relative variation of dynamic parameters versus junction temperature** 

**Figure 11. Junction capacitance versus reverse voltage applied (typical values)** 

**==> picture [225 x 149] intentionally omitted <==**

**----- Start of picture text -----**<br>
C(pF)<br>1000<br>F = 1 MHz<br>SSS a Vosc = 30 mVRMS<br>SLCPoea a 2 a Tj = 25 °C |<br>CeCe<br>Co<br>100 e a , |<br>es<br>aes Gee Oe OO OO<br>a<br>rah |<br>VR(V)<br>10 -<br>1 10 100 1000<br>**----- End of picture text -----**<br>


**Figure 12. Relative variation of non-repetitive peak surge Relative variation of non-repetitive peak surge forward current versus pulse duration (sinusoidal waveform)** 

**==> picture [492 x 191] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 12. Relative variation of non-repetitive peak surge Relative variation of non-repetitive peak surge  Figure 13. Relative variation of non-repetitive peak surge<br>forward current versus pulse duration  forward current versus initial junction temperature<br>(sinusoidal waveform) (sinusoidal waveform)<br>IFSM(tp) / IFSM(10ms) IFSM(Tj) / IFSM(25°C)<br> 4.0  1.2 i a<br> 3.5  1.0<br>Ko) SE<br> 3.0 ENC  0.8 i—— ae<br>ai<br> 2.5 a  0.6 i a<br>eS i<br> 2.0  0.4<br>™<br> 1.5 iEER |  0.2 SESa E<br> 1.0 0.1 eee a  1.0 so tp(ms) oo  10.0  0.0  25 i Fo |  50 a Pf  75 ft  100 PP  125  150 Tj(°C) 175<br>**----- End of picture text -----**<br>


**DS15080** - **Rev 2** 

**page 5/10** 

**STTH80L065WLY Package information** 

## **2** 

## **Package information** 

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 DO-247 LL package information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.8 N·m 

- Maximum torque value: 1.0 N·m 

**Figure 14. DO-247 LL package outline** 

_Note:_ 

_This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed._ 

**DS15080** - **Rev 2** 

**page 6/10** 

**STTH80L065WLY Package information** 

**Table 5. DO-247 LL package mechanical data** 

||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|
|**Ref.**|**Millimeters**|||**Inches (for reference only)**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|4.90|5.00|5.10|0.192|0.197|0.201|
|A1|2.31|2.41|2.51|0.090|0.095|0.099|
|A2|1.90|2.00|2.10|0.074|0.079|0.083|
|a|0.00||0.15|0.000||0.006|
|a'|0.00||0.15|0.000||0.006|
|b|1.16||1.29|0.045||0.051|
|b1|1.15|1.20|1.25|0.045|0.047|0.049|
|b2|1.96||2.06|0.077||0.082|
|b3|1.95|2.00|2.02|0.077|0.079|0.080|
|b6|||2.25|||0.089|
|c|0.59||0.66|0.023||0.026|
|c1|0.58|0.60|0.62|0.022|0.024|0.025|
|D|20.90|21.00|21.10|0.822|0.827|0.831|
|D1|16.25|16.55|16.85|0.639|0.652|0.664|
|D2|1.05|1.20|1.35|0.041|0.047|0.054|
|E|15.70|15.80|15.90|0.618|0.622|0.626|
|E1|13.06|13.26|13.46|0.514|0.522|0.530|
|E2|4.90|5.00|5.10|0.192|0.197|0.201|
|E3|2.40|2.50|2.60|0.094|0.098|0.103|
|e|10.78|10.88|10.98|0.424|0.428|0.433|
|L|19.80|19.92|20.10|0.779|0.784|0.792|
|L1|3.93||4.46|0.154||0.176|
|M|0.35||0.95|0.013||0.038|
|P|3.50|3.60|3.70|0.137|0.142|0.146|
|P1|7.00||7.40|0.275||0.292|
|P2|2.40|2.50|2.60|0.094|0.098|0.103|
|Q|5.60||6.00|0.220||0.237|
|S|6.05|6.15|6.25|0.238|0.242|0.247|
|T|9.80||10.20|0.385||0.402|
|U|6.00||6.40|0.236||0.252|



_Note: For packing information, inner box dimensions and tube dimensions, refer to TN1173._ 

**DS15080** - **Rev 2** 

**page 7/10** 

**STTH80L065WLY Ordering information** 

## **3 Ordering information** 

## **Table 6. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STTH80L065WLY|STTH80L065WLY|DO-247 long leads|5.9 g|30|Tube|



**DS15080** - **Rev 2** 

**page 8/10** 

**STTH80L065WLY** 

## **Revision history** 

**Table 7. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|18-Nov-2025|1|Initial release.|
|26-Nov-2025|2|UpdatedTable 6.|



**DS15080** - **Rev 2** 

**page 9/10** 

**STTH80L065WLY** 

## **IMPORTANT NOTICE – 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. 

In the event of any conflict between the provisions of this document and the provisions of any contractual arrangement in force between the purchasers and ST, the provisions of such contractual arrangement shall prevail. 

The 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 acknowledgment. 

The 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 the 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. 

If the purchasers identify an ST product that meets their functional and performance requirements but that is not designated for the purchasers' market segment, the purchasers shall contact ST for more information. 

ST and the ST logo are trademarks of ST. For additional information about ST trademarks, refer to www.st.com/trademarks. 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. 

© 2025 STMicroelectronics – All rights reserved 

**DS15080** - **Rev 2** 

**page 10/10** 



## Links

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- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stth80l065wly/rectifier-650v-80a-do-247ll/dp/4913908)
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