# Fast / Ultrafast Diode, 400 V, 30 A, Single, 1.55 V, 100 ns, 280 A

![Product image](https://novapart.co/image/farnell:3366895/)

**URL**: https://novapart.co/products/STTH30R04DY/fast-ultrafast-diode-400-v-30-a-single-155-100-ns
**SKU**: STTH30R04DY
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €1.0400
**Stock**: 1000+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 2 Pin |
| Product Range | - |
| Qualification | AEC-Q101 |
| Diode Case Style | TO-220AC |
| Diode Configuration | Single |
| Forward Voltage Max | 1.55V |
| Forward Surge Current | 280A |
| Reverse Recovery Time | 100ns |
| Average Forward Current | 30A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 400V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3366895/)

## **STTH30R04-Y** 

## Automotive ultrafast recovery diode 

**Datasheet** - **production data** 

## **Features** 

**==> picture [174 x 123] intentionally omitted <==**

**----- Start of picture text -----**<br>
A K<br>DS we SS<br>A<br>K [A] YQ K<br>TO-220AC DO-247<br>STTH30R04DY STTH30R04WY<br>**----- End of picture text -----**<br>


**Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|30 A|
|VRRM|400 V|
|Tj (max)|175° C|
|VF (typ)|1.0 V|
|trr (typ)|24 ns|



- Ultrafast switching 

- Low reverse current 

- Low thermal resistance 

- Reduces switching and conduction losses 

- High junction temperature 

- AEC-Q101 qualified 

- ECOPACK[®] 2 compliant component 

## **Description** 

The compromise-free, high quality design of this diode has produced a device with low leakage current, regularly reproducible characteristics and intrinsic ruggedness. These characteristics make it ideal for heavy duty applications that demand long term reliability. 

September 2013 

DocID024454 Rev 1 

1/10 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**STTH30R04-Y** 

## **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)|RMS forward current|||50|A|
|IF(AV)|Average forward current,δ= 0.5|TO-220AC / DO-247|Tc= 135° C|30|A|
|IFSM|Surge non repetitive forward<br>current|tp= 10 ms Sinusoidal||280|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 TO-220AC / DO-247 0.8 °C/W ~~Se~~ th(j-c) 

**Table 4. Static electrical characteristics Symbol Parameter Test conditions Min Typ Max Unit** ~~a es ees ts es~~ T = 25° C 15 j IR(1) Reverse leakage current Tj = 100° C VR = VRRM 3 30 µA T = 125° C 15 150 j T = 25° C 1.35 j IF = 15 A T = 150° C 0.83 1.04 ~~coe~~ j ~~=m===8~~ VF(2) Forward voltage drop Tj = 25° C 1.55 V Tj = 100° C IF = 30 A 1.32 T = 150° C 1.0 1.25 ~~=n~~ 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 = 0.95 x IF(AV) + 0.01 x IF2(RMS) 

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**Characteristics** 

**Table 5. Dynamic characteristics** 

||**Table 5. Dynamic characteristicsynamic characteristicsnamic characteristics**|||||
|---|---|---|---|---|---|
|**Symbol**|**Parameter**<br>**Test conditions**|**Min**|**Typ**|**Max**|**Unit**|
|trr<br>Reverse recovery time|Reverse recovery time<br>IF= 1 A, dIF/dt = -200 A/µs,<br>VR= 30 V, Tj= 25° C<br>IF= 1 A, dIF/dt = -15 A/µs,<br>VR= 30 V, Tj= 25° C<br>IF= 1 A, IR= 1 A,<br>IRR= 0.25 A, Tj= 25° C||24|35|ns|
||||73|100||
|||||45||
|IRM<br>Reverse recovery current|Reverse recovery current<br>IF= 30 A, dIF/dt = -200 A/µs,<br>VR= 320 V, Tj= 125° C||10|14|A|
|tfr<br>Forward recovery time|Forward recovery time<br>IF= 30 A      dIF/dt = 100 A/µs<br>VFR= 1.1 x VFmax, Tj= 25° C|||500|ns|
|VFP<br>Forward recovery voltage|Forward recovery voltage<br>IF= 30 A      dIF/dt = 100 A/µs<br>VFR= 1.1 x VFmax, Tj= 25° C||2.9||V|



**Figure 1. Conduction losses versus average current** 

**Figure 2. Forward voltage drop versus forward current** 

**==> picture [445 x 140] intentionally omitted <==**

**----- Start of picture text -----**<br>
50 PF(AV)(W) = 0.2 = 0.5 = 1 1000.0 IFM(A)<br>45 TJ=150°C<br>= 0.1 (Maximum values)<br>40<br>35 EERE = 0.05 PA | 100.0 Eo (Typ TJ ical =150°C values)<br>30 Al {SS<br>FERRARA EACAREE ES | BSS<br>25 FEES 10.0 cS OO SP CC<br>[  SAREEZ| AA  SEEEES |) EGGERS<br>20 aa | a | YY[7i7TA A7 Vy | | tT yt e s ee ee a e eee TJ e =25=25 °° CC |<br>15 A, oe ee + (Maximum values) —<br>T 1.0<br>10<br>5 IF(AV)(A) =tp/T tp VFM(V)<br>0 LAT Ty TT a 0.1 ' / |<br>0 5 10 15 20 25 30 35 40 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8<br>**----- End of picture text -----**<br>


**Figure 3. Relative variation of thermal impedance junction to case versus pulse duration** 

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

**==> picture [440 x 137] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.0 Zth(j-c)/Rth(j-c) a ce 22 IRM(A) a<br>Single pulseTO-220ACDO-247 aee 2018 VIF R = 30 A=320 V aeeOOOee eee<br>16<br>Lt Teea H——}—_a + + + + 4A+—___}+—\_ + A+ |HH<br>14<br>Pee ell Ke EEE<br>12<br>ee ell 10 eeA Tj=125° C 7<br>yA Pail 8 ee ee oe<br>| Se C a > A A<br>64 a——[eeaesea > T j =25° C eeea<br>2 ee a dIF/dt(A/µs) aan<br>0.1 tp(s) 0 Powereee Pree TT<br>1.E-03 1.E-02 1.E-01 1.E+00 10 100 1000<br>**----- End of picture text -----**<br>


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**Characteristics** 

**STTH30R04-Y** 

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

**==> picture [208 x 133] intentionally omitted <==**

**----- Start of picture text -----**<br>
180 tRR(ns)<br>160 a ee VIFR= 30 A=320 V UI<br>140 PoSS a ee sO<br>120 a NE TT<br>100 eea a OO T j =125° C rr<br>a  eS Deer<br>80 eea eea ee<br>6040 poaes re Tj=25° C Po<br>poes a<br>20<br>IH——+—_} + + 41 dI F /dt(A/µs) + + + + HH<br>0 ne<br>10 100 1000<br>**----- End of picture text -----**<br>


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

**==> picture [206 x 133] intentionally omitted <==**

**----- Start of picture text -----**<br>
750 Q eS RR(nC) SG GO GG GG<br>700 I F = 30 A<br>650 VR=320 V 7<br>600 [<br>550 ee<br>500 Se nn ennnnnT nn GUnEane EEE EEE Ae LD<br>450 ————— ee T j =125° C<br>400 es ee a a ye<br>——— e<br>350 eees es eea<br>300<br>|<br>250200 ——_—S—es ee ee ee Co eeene<br>150 es es es col a T j =25° C a |<br>100 ——a ee<br>50 —— dI F /dt(A/µs) a8<br>0 Pee HH<br>10 100 1000<br>**----- End of picture text -----**<br>


**Figure 7. Relative variations of dynamic parameters versus junction temperature** 

**==> picture [208 x 132] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.4 QRR [T j]/QRR [Tj = 125° C] and IRM [T j]/IRM [Tj = 125° C]<br>I F = 30 A<br>1.2 ee VR=320 V es nee<br>a ee<br>1.0 ee ss ee—<br>0.8 ET 4 IRM eT<br>0.6 ee —<br>QRR<br>0.4 aea es<br>0.2 a<br>Tj(°C)<br>0.0 es ee ee es ee ee<br>25 50 75 100 125 150<br>**----- End of picture text -----**<br>


**Figure 8. Transient peak forward voltage versus dIF/dt (typical values)** 

**==> picture [211 x 133] intentionally omitted <==**

**----- Start of picture text -----**<br>
VFp(V)<br>5<br>4.5 TIj=125 °CF=30 A Seeeeeeeee e e e<br>4 a OORSEi OO—<br>3.5<br>3 a——|<br>2.5<br>Ee—!|<br>1.52 Hee0 aES EEE EE<br>1<br>EASE ES EES<br>0.5<br>0 ee dI F /dt(A/µs) a<br>0 50 100 150 200 250 300 350 400 450 500<br>**----- End of picture text -----**<br>


**Figure 9. Forward recovery time versus dIF/dt (typical values)** 

**Figure 10. Junction capacitance versus reverse voltage applied (typical values)** 

**==> picture [436 x 134] intentionally omitted <==**

**----- Start of picture text -----**<br>
tFR(ns) C(pF)<br>2000 1000<br>18001600 aeeA VFR=1.1 x VTIjF=125°C=30 AF max. aEEee ee ee eSEHSeeee VOSC F=1MHz T=30mVj=25°C RMS HHnn<br>1400 a Qe GG =<br>1200 en A CO Pr<br>1000800 = 100<br>A ee see<br>600 PN PoyEtTSSEH<br>a a<br>400 Poo TTT<br>dI F /dt(A/µs)<br>200<br>0 eeGCGee 10 LT TTT EEE VR(V)<br>0 100 200 300 400 500 1 10 100 1000<br>**----- End of picture text -----**<br>


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**Package information** 

## **2 Package information** 

- Epoxy meets UL94, V0 

- Lead-free package 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.4 to 0.6 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. 

**==> picture [275 x 354] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 11. DO-247 dimension definitions<br>V<br>V Dia<br>i<br>E S<br>A<br>H<br>L5<br>L<br>L2<br>L4<br>p e<br>F2 L1<br>F3<br>L3<br>D<br>V2<br>F<br>M E<br>G<br>FL<br>**----- End of picture text -----**<br>


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**Package information** 

**Table 6. DO-247 dimension values** 

**Dimensions** ~~a~~ **Ref. Millimeters Inches** ~~ee~~ **Min. Typ. Max. Min. Typ. Max.** A 4.85 5.15 0.191 0.203 ~~a a ee ee ee~~ D 2.20 2.60 0.086 0.102 ~~se~~ E 0.40 0.80 0.015 0.031 ~~se~~ F 1.00 1.40 0.039 0.055 ~~se~~ F2 2.00 0.078 ~~se~~ F3 2.00 2.40 0.078 0.094 ~~se~~ G 10.90 0.429 ~~se~~ H 15.45 15.75 0.608 0.620 ~~se~~ L 19.85 20.15 0.781 0.793 ~~ss~~ L1 3.70 4.30 0.145 0.169 ~~se~~ L2 18.50 0.728 ~~se~~ L3 14.20 14.80 0.559 0.582 ~~ss~~ L4 34.60 1.362 ~~se~~ L5 5.50 0.216 ~~se~~ M 2.00 3.00 0.078 0.118 ~~ss~~ V 5° 5° ~~se~~ V2 60° 60° ~~se~~ Dia. 3.55 3.65 0.139 0.143 ~~se~~ 

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**Package information** 

## **Figure 12. TO-220AC dimension definitions** 

**==> picture [314 x 309] intentionally omitted <==**

**----- Start of picture text -----**<br>
H2 A<br>Ø I C<br>L5<br>L7<br>P or] il<br>L6<br>L2<br>D<br>F1 L9<br>L4<br>F<br>iu M<br>E<br>{ —_<br>G<br>**----- End of picture text -----**<br>


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**Package information** 

**Table 7. TO-220AC dimension values** 

||**Table 7. TO-220AC dimension values**|**Table 7. TO-220AC dimension values**|**Table 7. TO-220AC dimension values**|**Table 7. TO-220AC dimension values**|**Table 7. TO-220AC dimension values**|**Table 7. TO-220AC dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**<br>~~a~~|**Dimensions**<br>~~a~~||||||
||**Millimeters**<br>~~a~~<br>~~ee~~<br>~~a~~<br>~~ee~~<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~~|4.40<br>~~a~~<br>|~~ee~~<br>|4.60<br>~~ee~~<br>|0.173<br>~~ee~~<br>|~~ee~~<br>|0.181<br>~~ee~~<br>|
|C<br>~~ase~~|1.23<br>~~a~~<br>~~se~~|~~ee~~<br>~~se~~|1.32<br>~~ee ~~<br>~~se~~|0.048<br> ~~ee~~<br>~~se~~|~~ee~~<br>~~se~~|0.051<br>~~ee~~<br>~~se~~|
|D<br>~~se~~|2.40<br>~~se~~|~~se~~|2.72<br>~~se~~|0.094<br>~~se~~|~~se~~|0.107<br>~~se~~|
|E<br>~~se~~|0.49<br>~~se~~|~~se~~|0.70<br>~~se~~|0.019<br>~~se~~|~~se~~|0.027<br>~~se~~|
|F<br>~~se~~|0.61<br>~~se~~|~~se~~|0.88<br>~~se~~|0.024<br>~~se~~|~~se~~|0.034<br>~~se~~|
|F1<br>~~se~~|1.14<br>~~se~~|~~se~~|1.70<br>~~se~~|0.044<br>~~se~~|~~se~~|0.066<br>~~se~~|
|G<br>~~se~~|4.95<br>~~se~~|~~se~~|5.15<br>~~se~~|0.194<br>~~se~~|~~se~~|0.202<br>~~se~~|
|H2<br>~~se~~|10.00<br>~~se~~|~~se~~|10.40<br>~~se~~|0.393<br>~~se~~|~~se~~|0.409<br>~~se~~|
|L2<br>~~ss~~|~~ss~~|16.4<br>~~ss~~|~~ss~~|~~ss~~|0.645<br>~~ss~~|~~ss~~|
|L4<br>~~se~~|13.00<br>~~se~~|~~se~~|14.00<br>~~se~~|0.511<br>~~se~~|~~se~~|0.551<br>~~se~~|
|L5<br>~~se~~|2.65<br>~~se~~|~~se~~|2.95<br>~~se~~|0.104<br>~~se~~|~~se~~|0.116<br>~~se~~|
|L6<br>~~ss~~|15.25<br>~~ss~~|~~ss~~|15.75<br>~~ss~~|0.600<br>~~ss~~|~~ss~~|0.620<br>~~ss~~|
|L7<br>~~se~~|6.20<br>~~se~~|~~se~~|6.60<br>~~se~~|0.244<br>~~se~~|~~se~~|0.259<br>~~se~~|
|L9<br>~~se~~|3.50<br>~~se~~|~~se~~|3.93<br>~~se~~|0.137<br>~~se~~|~~se~~|0.154<br>~~se~~|
|M<br>~~ss~~|~~ss~~|2.6<br>~~ss~~|~~ss~~|~~ss~~|0.102<br>~~ss~~|~~ss~~|
|Diam. I<br>~~ee~~|3.75<br>~~ee~~|~~ee~~|3.85<br>~~ee~~|0.147<br>~~ee~~|~~ee~~|0.151<br>~~ee~~|



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**Ordering information** 

**3 Ordering information Table 8. Ordering information Order code Marking Package Weight Base qty Delivery mode** STTH30R04DY STTH30R04DY TO-220AC 1.86 g 50 Tube STTH30R04WY STTH30R04WY DO-247 4.40 g 30 Tube ~~I~~ **4 Revision history** 

**Table 9. Document revision history** 

**Date Revision Description of changes** 30-Sep-2013 1 First issue ~~Se~~ 

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## Links

- [View this product on Novapart](https://novapart.co/products/STTH30R04DY/fast-ultrafast-diode-400-v-30-a-single-155-100-ns)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stth30r04dy/diode-aec-q101-400v-30a-to-220ac/dp/3366895)
---

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