# Fast / Ultrafast Diode, 400 V, 60 A, Single, 1.35 V, 55 ns, 500 A

![Product image](https://novapart.co/image/farnell:2325969/)

**URL**: https://novapart.co/products/STTH61W04SW/fast-ultrafast-diode-400-v-60-a-single-135-55-ns
**SKU**: STTH61W04SW
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €1.5000
**Stock**: 200+
**Lead Time**: 127 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:400V; Forward Current If(AV):60A; Diode Configuration:Single; Forward Voltage VF Max:1.35V; Reverse Recovery Time trr Max:55ns; Forward Surge Curren

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3 Pin |
| Product Range | STTH6 |
| Qualification | - |
| Diode Case Style | TO-247 |
| Diode Configuration | Single |
| Forward Voltage Max | 1.35V |
| Forward Surge Current | 500A |
| Reverse Recovery Time | 55ns |
| Average Forward Current | 60A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 400V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2325969/)

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## **STTH61W04S** 

## Turbo 2 ultrafast high voltage rectifier 

**Datasheet**  **production data** 

## **Features** 

- Ultrafast switching 

- Low reverse recovery current 

- Low thermal resistance 

- Reduces switching losses 

- ECOPACK[®] 2 compliant component 

- Ribbon bonding for more robustness 

## **Description** 

The STTH61W04SW, uses ST Turbo 2, 400 V technology. It is especially suited to be used for DC/DC and DC/AC converters in secondary stage of MIG/MMA/TIG welding machine. Housed in ST's TO-247, this device offers high power integration for all welding machines. 

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A<br>K<br>A<br>A<br>K<br>A<br>TO-247<br>STTH61W04SW<br>**----- End of picture text -----**<br>


## **Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|60 A|
|VRRM|400 V|
|trr(typ)|40 ns|
|Tj(max)|175 °C|
|VF(typ)|0.93 V|



October 2012 

1/7 

Doc ID 023613 Rev 1 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**STTH61W04S** 

## **1 Characteristics** 

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

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage|||400|V|
|IF(RMS)|Forward rms current|||90|A|
|IF(AV)|Average forward current,= 0.5|Tc= 110°C|Per diode|60|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal||500|A|
|Tstg|Storage temperature range|||-65 to + 175|°C|
|Tj|Maximum operating junction temperature|||+ 175|°C|



## **Table 3. Thermal resistance** 

|**Table 3.**|**Thermal resistance**||||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|Rth(j-c)|Junction to case|Total|0.7|°C / W|



## **Table 4. Static electrical characteristics** 

|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR (1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|||20|µA|
|||Tj= 125 °C|||20|200||
|VF (2)|Forward voltage drop|Tj= 25 °C|IF= 60 A|||1.35||
|||Tj= 150 °C|||0.93|1.15||



1. Pulse test: tp = 5 ms,  < 2% 

2. Pulse test: tp = 380 µs,  < 2% 

To evaluate the conduction losses use the following equation: 

P = 0.85 x IF(AV) + 0.005 IF[2] (RMS) 

## **Table 5. Dynamic electrical characteristics** 

|**Symb**<br>**ol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IRM|Reverse recovery current|Tj= 125 °C|IF= 60 A, VR= 320 V<br>dIF/dt = -200 A/µs||19|26|A|
|QRR|Reverse recovery charge||||1400||nC|
|Sfactor|Softness factor||||0.3|||
|trr|Reverse recovery time|Tj= 25 °C|IF= 1 A, VR= 30 V<br>dIF/dt = -100 A/µs||40|55|ns|
|tfr|Forward recovery time|Tj= 25 °C|IF= 60 A,<br>VFR= 1.2 V<br>dIF/dt = 400 A/µs|||250|ns|
|VFP|Forward recovery voltage|Tj= 25 °C|||2|3|V|



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**STTH61W04S** 

**Characteristics** 

**Figure 1. Average forward power dissipation Figure 2. Forward voltage drop versus versus average forward current forward current** 

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**----- Start of picture text -----**<br>
PF(AV)(W) IFM(A)<br>110100 a δ = 1 1000.0<br>90 BEEREEE δ = 0.5 (Maximum values)Tj=150°C<br>80 a δ REESE  = 0.2 Spd | 100.0 FS SSS<br>a ee e e ee T j =150 °C<br>7060 [7 δ = 0.05 δ = 0.1 i A a (Typical values) [SEF (Maximum values) T j =25 °C -—-—<br>Sane2a oe 10.0 ee<br>5040 BEEAA7Se<br>30 i RoE T  SEES | 1.0 SS<br>20 A) oy a | dt | |<br>10 δ = tp/T tp I F(AV) (A) V FM (V)<br>0 >SafeSS iSa Se 0.1 ee==<br>0 10 20 30 40 50 60 70 80 0.0 0.4 0.8 1.2 1.6 2.0 2.4<br>**----- End of picture text -----**<br>


**Figure 3. Relative variation of thermal Figure 4. Peak reverse recovery current impedance junction to case versus versus dI** F **/dt (typical values) pulse duration** 

**==> picture [449 x 318] intentionally omitted <==**

**----- Start of picture text -----**<br>
Zth(j-c)/Rth(j-c) IRM(A)<br>1.00.90.8 oTaeoSaa OOoreten ooo 403530 T VIjR =F =320 V=I 125 F(AV)°C BEERaaa DeEEE EEE<br>0.7 Ceo i Ao OO<br>0.6 fTCee2TYZATTT) 25 aeaeLS ea<br>0.5 aCea OYae oe 20 eeree LE ereAne<br>0.40.3 fteoa OaTT OeA oe 15 rEPitt peepee> ereeeeEEELEee EL LLL LLL LL |<br>a a 10 | | | Pet Pe tet te et yt tt<br>0.2 Single pulse CZ rr ec<br>0.1 CR tp(s) il 5 a dIF/dt(A/µs)<br>0.0 oeST Cn i ed | 0 eea a<br>1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 0 50 100 150 200 250 300 350 400 450 500<br>Figure 5. Reverse recovery time versus dI F /dt  Figure 6. Reverse recovery charges versus<br>(typical values) dI F /dt (typical values)<br>trr(ns) QRR(nC)<br>200 2500<br>I F =I F(AV) IF=IF(AV)<br>160 Ne TV j R==320 V125 °C 2000 VTjR==320 V125 °C Tt<br>PLETAL |<br>120 1500<br>PEt TI ET tT LITT TT tT peer yt<br>PE  PT TP Pee | tt TT PET TT Tt ere ET TT<br> yee | Pree ee Fil td tere rt TT TT TT<br>80 1000<br>PET ETE TT EE EE EE Pitt det TTT TT ee<br>PET ETT ETT ETE EE SEP 4eeeeee<br>40 FEET ETE ET ET EET ET TTT UI 500 LATTE<br>dIF/dt(A/µs) dIF/dt(A/µs)<br>0 PLEPhebe LE LEE p eh ETEbpp | 0 See LLP [TELE] ETeee EE T EET tit EI<br>0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 250 300 350 400 450 500<br>**----- End of picture text -----**<br>


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**Characteristics** 

**STTH61W04S** 

## **Figure 7. Reverse recovery softness factor Figure 8. Relative variation of dynamic versus dI** F **/dt (typical values) parameters versus junction temperature** 

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S factor 2.5<br>0.5 V TIjR=125 °CF =320 V =IF(AV) 2.0 S FACTOR Reference: T V IRF =320 V =IF(AV)j=125 °C<br>0.4<br>1.5<br>0.3<br>1.0<br>0.2<br>IRM<br>0.1 0.5<br>dIF/dt(A/µs) QRR<br>Tj [(°C)]<br>0.0 0.0<br>0 50 100 150 200 250 300 350 400 450 500 25 50 75 100 125<br>**----- End of picture text -----**<br>


## **Figure 9. Transient peak forward voltage versus dI** F **/dt (typical values)** 

## **Figure 10. Forward recovery time versus dI** F **/dt (typical values)** 

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**----- Start of picture text -----**<br>
VFP(V) tfr(ns)<br>3.0 180<br>2.5 T I j=125 °C F=IF(AV) 160 VTI FRj =125 °C F =I=1.2 V F(AV)<br>140<br>2.0 120<br>100<br>1.5<br>80<br>1.0 60<br>40<br>0.5<br>20<br>dIF/dt(A/µs) dI F /dt(A/µs)<br>0.0 0<br>250 300 350 400 450 500 250 300 350 400 450 500<br>**----- End of picture text -----**<br>


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

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**----- Start of picture text -----**<br>
C(pF)<br>1000<br>F=1 MHz<br>V OSC =30 mV RMS<br>T j =25 °C<br>100<br>VR(V)<br>10<br>1 10 100 1000<br>**----- End of picture text -----**<br>


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Doc ID 023613 Rev 1 

**STTH61W04S** 

**Package information** 

## **2 Package information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.55 N·m (1.0 N·m maximum) 

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. 

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Table 6. TO-247 dimensions<br>**----- End of picture text -----**<br>


|**D**<br>**L**||||**c**<br>**BACK VIEW**<br>**Heat-sink plane**<br>**A**<br>1<br>2<br>3<br>∅**P**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||**Millimeters**|||**Inches**|||
|||||||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ**|**Max.**|
||||||A|4.85||5.15|0.191||0.203|
||||||A1|2.20||2.60|0.086||0.102|
||**S**|**E**|**L2**<br>**A1**<br>**b1**<br>**b2**<br>**b**<br><br>**e**<br>2<br>3<br>∅**R**|||||||||
||||||b|1.00||1.40|0.039||0.055|
||||||b1|2.00||2.40|0.078||0.094|
||||||b2|3.00||3.40|0.118||0.133|
||||||c<br>D(1)|0.40<br>19.85||0.80<br>20.15|0.015<br> 0.781||0.031<br>0.793|
|||**L1**<br>1|||E|15.45||15.75|0.608||0.620|
||||||e|5.30|5.45|5.60|0.209|0.215|0.220|
||||||L|14.20||14.80|0.559||0.582|
||||||L1|3.70||4.30|0.145||0.169|
|||||||||||||
||||||L2|18.50 typ.|||0.728 typ.|||
||||||P(2)|3.55||3.65|0.139||0.143|
||||||R|4.50||5.50|0.177||0.217|
||||||S|5.30|5.50|5.70|0.209|0.216|0.224|



1. Dimension D plus gate protrusion does not exceed 20.5 mm 

2. Resin thickness around the mounting hole is not less than 0.9 mm 

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**Ordering information** 

**STTH61W04S** 

## **3 Ordering information** 

|**Table 7.**<br>**Ordering information**|**Table 7.**<br>**Ordering information**|**Table 7.**<br>**Ordering information**|**Table 7.**<br>**Ordering information**|**Table 7.**<br>**Ordering information**|**Table 7.**<br>**Ordering information**|
|---|---|---|---|---|---|
|**Ordering type**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|STTH61W04SW|STTH61W04SW|TO-247|4.46 g|50|Tube|



## **4 Revision history** 

**Table 8. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|05-Oct-2012|1|First issue.|



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**STTH61W04S** 

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