# Fast / Ultrafast Diode, 600 V, 30 A, Common Anode, 2 V, 65 ns, 150 A
**URL**: https://novapart.co/products/STTH31AC06SWL/fast-ultrafast-diode-600-v-30-a-common-anode-2-65
**SKU**: STTH31AC06SWL
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €0.9050
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3 Pin |
| Product Range | ECOPACK2 Series |
| Qualification | - |
| Diode Case Style | TO-247LL |
| Diode Configuration | Common Anode |
| Forward Voltage Max | 2V |
| Forward Surge Current | 150A |
| Reverse Recovery Time | 65ns |
| Average Forward Current | 30A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 600V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:4860864/)
**STTH31AC06S**
Datasheet
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## 600 V, 30 A ultrafast high voltage diode
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**----- Start of picture text -----**
A(1)
K
A(3)
A(1)
A(1)
K(2)
A(3) K(2)
A(3)
TO-3PF TO-247 LL
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Product label
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## **Features**
- Ultrafast recovery, soft recovery
- Low power losses at high switching frequency operations
- Low leakage current
- High junction temperature
- High overcurrent capability
- ECOPACK2 compliant
- Insulated package TO-3PF:
- Insulated voltage: 2000 VRMS
## **Applications**
- Air conditioning equipment
- Rectification diode
- Freewheeling diode
## **Description**
The STTH31AC06S, implementing a new technology with very high softness during the reverse commutation, is suitable as a boost diode in PFC.
This device is highly recommended in air conditioning equipment for continuous mode interleaved power factor correction.
## **Product status**
STTH31AC06S
|**Product summary**|**Product summary**|
|---|---|
|**Symbol**|**Value**|
|**IF(AV)**|30 A|
|**VRRM**|600 V|
|**trr(typ.)**|45 ns|
|**T j(max.)**|175 °C|
|**VF(typ.)**|1.35 V|
**DS10626** - **Rev 3** - **October 2025** For further information, contact your local STMicroelectronics sales office.
www.st.com
**STTH31AC06S 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||600|V|
|IF(RMS)|Forward rms current||45|A|
|IF(AV)|Average forward current|δ = 0.5 square|30|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal|150|A|
|Tstg|Storage temperature range||-40 to +175|°C|
|Tj|Maximum operating junction temperature||+175|°C|
**Table 2. Maximum thermal resistance parameter**
|**Symbol**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|
|Rth(j-c)|Junction to case|TO-247 LL|1.25|°C/W|
|||TO-3PF|2.9||
For more information, refer to the following application note :
- AN5088: Rectifiers thermal management, handling and mounting recommendations
**Table 3. Static electrical characteristics**
|**Symbol**|**Parameter**|**Test conditions**||**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR(1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|-||10|µA|
|||Tj= 150 °C||-|20|200||
|VF(2)|Forward voltage drop|Tj= 25 °C|IF= 30 A|-|1.55|2.00|V|
|||Tj= 150 °C||-|1.35|1.75||
_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 = 1.24 x IF(AV) + 0.017 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
- AN5028: Calculation of turn-off power losses generated by an ultrafast diode
**DS10626** - **Rev 3**
**page 2/11**
**STTH31AC06S Characteristics**
**Table 4. Dynamic electrical characteristics**
|**Symbol**|**Parameters**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|trr|Reverse recovery time|Tj= 25 °C|IF= 1 A
dIF/dt = -100 A/µs
VR= 30 V|-|45|65|ns|
|IRM|Reverse recovery current|Tj= 150 °C|IF= 30 A
dIF/dt = -1000 A/µs
VR= 400 V|-|36||A|
|Qrr|Reverse recovery charge|||-|2.5||µC|
|Sfactor|Softness factor||||2.2|||
|tfr|Forward recovery time|Tj= 25 °C|IF= 30 A
dIF/dt = 500 A/µs
VFR= 2.5 V|||150|ns|
|VFP|Forward recovery voltage||||5.5||V|
**DS10626** - **Rev 3**
**page 3/11**
**STTH31AC06S Characteristics**
## **1.1 Characteristics (curves)**
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**----- Start of picture text -----**
Figure 1. Average forward power dissipation versus Figure 2. Forward voltage drop versus forward current
average forward current (typical values)
80 PF(AV)(W) IF(A)
100.0
70 δ = 0.5 δ = 1
60 δ = 0.2
δ = 0.1
50 δ = 0.05 10.0 Tj = 150 °C
40 T = 25 °C
j
30
T 1.0
20
10
δ= tp/T tp I F(AV) (A) VF(V)
0 0.1
0 5 10 15 20 30 35 40 0.0 0.4 0.8 1.2 1.6 2.0 2.4
Figure 3. Forward voltage drop versus forward current Figure 4. Relative variation of thermal impedance junction
(maximum values) to case versus pulse duration (TO-247 LL)
IF(A) Z /R
100.0 1.0 th(j-c) th(j-c)
0.9
0.8
10.0 Tj = 150 °C 0.70.6
Tj = 25 °C 0.5 Single pulse
0.4
1.0
0.3
0.2
V F (V) 0.1 tP(s)
0.1 0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00
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Figure 5. Relative variation of thermal impedance junction Figure 6. Junction capacitance versus reverse voltage
to case versus pulse duration (TO-3PF) applied (typical values)
Z /R C(pF)
1.0 th(j-c) th(j-c) 1000
F = 1 MHz
0.9 V = 30 mV
OSC RMS
0.8 T = 25 °C
j
0.7
0.6
0.5 Single pulse 100
0.4
0.3
0.2
0.1 tP(s) VR(V)
0 .0 10
1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1 10 100 1000
**----- End of picture text -----**
**DS10626** - **Rev 3**
**page 4/11**
**STTH31AC06S 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 TO-3PF package information**
- Epoxy meets UL94, V0
- Cooling method: by conduction (C)
- Recommended torque: 0.8 to 1.0 N·m
## **Figure 7. TO-3PF package outline**
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7627132_2_9
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_Note:_
_This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed._
**DS10626** - **Rev 3**
**page 5/11**
**STTH31AC06S Package information**
**Table 5. TO-3PF mechanical data**
|**Dim**|**mm**|**mm**|**mm**|
|---|---|---|---|
|**.**|**Min.**|**Typ.**|**Max.**|
|A|5.30|5.50|5.70|
|C|2.80|3.00|3.20|
|D|3.10|3.30|3.50|
|D1|1.80|2.00|2.20|
|E|0.80|0.95|1.10|
|F|0.65|0.80|0.95|
|F2|1.80|2.00|2.20|
|G|10.30|10.90|11.50|
|G1||5.45||
|H|15.30|15.50|15.70|
|L|9.80|10.00|10.20|
|L2|22.80|23.00|23.20|
|L3|26.30|26.50|26.70|
|L4|43.20|43.80|44.40|
|L5|4.30|4.50|4.70|
|L6|24.30|24.50|24.70|
|L7|14.60|14.80|15.00|
|N|1.80|2.00|2.20|
|R|3.80|4.00|4.20|
|Dia|3.40|3.60|3.80|
**DS10626** - **Rev 3**
**page 6/11**
**STTH31AC06S Package information**
## **2.2 TO-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 8. TO-247 LL package outline**
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**==> picture [20 x 5] intentionally omitted <==**
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8463846_6
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**DS10626** - **Rev 3**
**page 7/11**
**STTH31AC06S Package information**
**Table 6. TO-247 LL package mechanical data**
|**Dim**|**mm.**|**mm.**|**mm.**|**Inches (only for reference)**|**Inches (only for reference)**|**Inches (only for reference)**|
|---|---|---|---|---|---|---|
|**.**|**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|4.90|5.00|5.10|0.192|0.196|0.200|
|A1|2.31|2.41|2.51|0.090|0.094|0.098|
|A2|1.90|2.00|2.10|0.074|0.078|0.082|
|b|1.16||1.26|0.045||0.049|
|b2|||3.25|||0.128|
|b3|||2.25|||0.089|
|c|0.59||0.66|0.0232||0.0260|
|D|20.90|21.00|21.10|0.8228|0.826|0.830|
|E|15.70|15.80|15.90|0.6181|0.622|0.626|
|E2|4.90|5.00|5.10|0.192|0.196|0.200|
|E3|2.40|2.50|2.60|0.094|0.098|0.102|
|e|5.34|5.44|5.54|0.2102|0.2142|0.2181|
|L|19.80|19.92|20.10|0.779|0.784|0.792|
|L1|||4.30|||0.170|
|M|0.35||0.95|0.013||0.038|
|P|3.50|3.60|3.70|0.137|0.141|0.145|
|Q|5.60||6.00|0.220||0.236|
|S|6.05|6.15|6.25|0.238|0.242|0.246|
|aaa||0.04|0.10||0.001|0.004|
**DS10626** - **Rev 3**
**page 8/11**
**STTH31AC06S Ordering information**
## **3 Ordering information**
**Table 7. Ordering information**
|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STTH31AC06SWL|STTH31AC06SWL|TO-247 LL|4.36 g|30|Tube|
|STTH31AC06SPF|TH31AC06|TO-3PF|5.6 g|50|Tube|
**DS10626** - **Rev 3**
**page 9/11**
**STTH31AC06S Ordering information**
## **Revision history**
**Table 8. Document revision history**
|**Date**|**Revision**|**Changes**|
|---|---|---|
|30-Sep-2014|1|First release.|
|23-Mar-2016|2|Added TO-3PF package information.|
|30-Oct-2025|3|AddedSection Applications, and updatedSection 2: Package information.|
**DS10626** - **Rev 3**
**page 10/11**
**STTH31AC06S**
## **IMPORTANT NOTICE – READ CAREFULLY**
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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
**DS10626** - **Rev 3**
**page 11/11**
## Links
- [View this product on Novapart](https://novapart.co/products/STTH31AC06SWL/fast-ultrafast-diode-600-v-30-a-common-anode-2-65)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stth31ac06swl/fast-recovery-diode-600v-30a-to/dp/4860864)
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