# Fast / Ultrafast Diode, 600 V, 8 A, Single, 1.85 V, 55 ns, 90 A
**URL**: https://novapart.co/products/STTH806G-TR/fast-ultrafast-diode-600-v-8-a-single-185-55-ns-90
**SKU**: STTH806G-TR
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €0.3790
**Stock**: 500+
**Lead Time**: 127 days (indicative)
## Description
Repetitive Reverse Voltage Vrrm Max:600V; Forward Current If(AV):8A; Diode Configuration:Single; Forward Voltage VF Max:1.85V; Reverse Recovery Time trr Max:55ns; Forward Surge Current
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3 Pin |
| Product Range | STTH8 |
| Qualification | - |
| Diode Case Style | TO-263 (D2PAK) |
| Diode Configuration | Single |
| Forward Voltage Max | 1.85V |
| Forward Surge Current | 90A |
| Reverse Recovery Time | 55ns |
| Average Forward Current | 8A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 600V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2344048RL/)
**STTH806**
**==> picture [61 x 39] intentionally omitted <==**
## Turbo 2 ultrafast - high voltage rectifier
## **Main product characteristics**
|IF(AV)|8 A|
|---|---|
|VRRM|600 V|
|Tj|175° C|
|VF(typ)|1.1 V|
|trr(max)|35 ns|
## **Features and benefits**
- Ultrafast switching
- Low reverse current
- Low thermal resistance
**==> picture [186 x 169] intentionally omitted <==**
**----- Start of picture text -----**
A K
K
A
NC
D [2] PAK
STTH806G
A
A
K K
TO-220AC TO-220AC Ins
STTH806D STTH806DIRG
**----- End of picture text -----**
- Reduces conduction and switching losses
- Insulated package TO-220AC Ins
- Insulated voltage: 2500 VRMS
- Typical package capacitance: 7 pF
## **Description**
The STTH806 uses ST Turbo2 600 V technology. This device is specially suited for use in switching power supplies, and industrial applications.
## **Order codes**
|**Order codes**||
|---|---|
|**Part Number**|**Marking**|
|STTH806G|STTH806G|
|STTH806G-TR|STTH806G|
|STTH806D|STTH806D|
|STTH806DIRG|STTH806DI|
**Table 1. Absolute ratings (limiting values per diode at 25° C, unless otherwise specified)**
|**Symbol**|**Parameter**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage|||600|V|
|IF(RMS)|RMS forward current||TO-220AC, D2PAK|30|A|
||||TO-220 Ins|24|A|
|IF(AV)|Average forward current,δ= 0.5|Tc= 140° C|TO-220AC, D2PAK|8|A|
|||Tc= 120° C|TO-220 Ins|8|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms Sinusoidal||90|A|
|Tstg|Storage temperature range|||-65 to + 175|°C|
|Tj|Maximum operating junction temperature(1)|||175|°C|
|1.
condition to avoid thermal runaway for a diode on its own heatsink
dPtot
dTj
---------------
1
Rth j
a
–
(
)
------------------------**-**
<||||||
1/9
August 2006
Rev 2
_www.st.com_
**Characteristics**
**STTH806**
## **1 Characteristics**
## **Table 2. Thermal parameters**
|**Symbol**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|
|Rth(j-c)|Junction to case|TO-220AC, D2PAK|2.5|° C/W|
|||TO-220AC Ins|4||
## **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|||8|µA|
|||Tj= 150° C|||20|200||
|VF
(2)|Forward voltage drop|Tj= 25° C|IF= 8 A|||1.85|V|
|||Tj= 150° C|||1.10|1.40||
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 = 1.07 x IF(AV) + 0.041 IF2(RMS)
**Table 4. Dynamic characteristics**
|**Table 4.**|**Dynamic characteristics**||||||
|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ**|**Max.**|**Unit**|
|trr|Reverse recovery time|IF= 0.5 A, Irr= 0.25 A, IR= 1 A,
Tj= 25° C|||35|ns|
|||IF= 1 A, dIF/dt = -50 A/µs,
VR= 30 V, Tj= 25° C||40|55||
|IRM|Reverse recovery current|IF= 8 A, dIF/dt = -100 A/µs,
VR= 400 V, Tj= 25° C||4.5|6.5||
|tfr|Forward recovery time|IF= 8 A dIF/dt = 100 A/µs
VFR= 1.1 x VFmax, Tj= 25° C|||200|ns|
|VFP|Forward recovery voltage|IF= 8 A dIF/dt = 100 A/µs
VFR= 1.1 x VFmax, Tj= 25° C||3.5||V|
2/9
**STTH806**
**Characteristics**
**Figure 1. Conduction losses versus average current**
**Figure 2. Forward voltage drop versus forward current**
**==> picture [463 x 146] intentionally omitted <==**
**----- Start of picture text -----**
15.0 PF(AV)(W) 100 IFM(A)
δ = 0.05 δ = 0.1 δ = 0.2 δ = 0.5
90
12.5
80 T =150°Cj
δ = 1 70 (maximum values)
10.0
60
7.5 50 (typical values)T =150°Cj
40
5.0 T 30 (maximum values)T =25°Cj
20
2.5
IF(AV)(A) δ [=tp/T] tp 10 VFM(V)
0.0 0
0 1 2 3 4 5 6 7 8 9 10 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
**----- End of picture text -----**
## **Figure 3. Relative variation of thermal impedance junction to case versus pulse duration**
## **Figure 4. Peak reverse recovery current versus dIF/dt (typical values)**
**==> picture [463 x 147] intentionally omitted <==**
**----- Start of picture text -----**
1.0 Zth(j-c)/Rth(j-c) 14 IRM(A)
0.9 Single pulse 12 VT =125°CjR=400V IF=2 x IF(AV)
0.8 IF=IF(AV)
0.7 10 IF=0.5 x IF(AV)
0.6 8 IF=0.25 x IF(AV)
0.5
6
0.4
0.3 4
0.2
2
0.1 tp(s) dIF/dt(A/µs)
0.0 0
1.E-03 1.E-02 1.E-01 1.E+00 0 50 100 150 200 250 300 350 400 450 500
**----- End of picture text -----**
**Figure 5. Reverse recovery time versus dIF/dt (typical values)**
## **Figure 6. Reverse recovery charges versus dIF/dt (typical values)**
**==> picture [463 x 143] intentionally omitted <==**
**----- Start of picture text -----**
300 trr(ns) 450 Qrr(nC)
VT =125°CjR=400V 400 VT =125°CjR=400V IF=2 x IF(AV)
250
IF=2 x IF(AV) 350 IF=IF(AV)
200
300
IF=IF(AV)
150 IF=0.5 x IF(AV) 250 IF=0.5 x IF(AV)
200
100
150
50
100
0 dIF/dt(A/µs) 50 dIF/dt(A/µs)
0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 250 300 350 400 450 500
**----- End of picture text -----**
3/9
**Characteristics**
**STTH806**
## **Figure 7. Softness factor versus dIF/dt (typical values)**
## **Figure 8. Relative variations of dynamic parameters versus junction temperature**
**==> picture [463 x 146] intentionally omitted <==**
**----- Start of picture text -----**
S factor
2.00 2.50
1.80 IVFR≤= 400 V2 x IF(AV) 2.25 VIFR=I=400VF(AV)
1.60 Tj = 125° C 2.00 S factor Reference: T =125°Cj
1.40 1.75
1.20 1.50
1.00 1.25
1.00
0.80
0.60 0.75 IRM
0.50 QRR
0.40
0.20 dIF/dt(A/µs) 0.250.00 T (°C)j
0.00 25 50 75 100 125
0 50 100 150 200 250 300 350 400 450 500
**----- End of picture text -----**
## **Figure 9. Transient peak forward voltage versus dIF/dt (typical values)**
**==> picture [192 x 129] intentionally omitted <==**
**----- Start of picture text -----**
14 VFP(V)
IF=IF(AV)
12 T =125°Cj
10
8
6
4
2
dIF/dt(A/µs)
0
0 100 200 300 400 500
**----- End of picture text -----**
## **Figure 10. Forward recovery time versus dIF/dt (typical values)**
**==> picture [192 x 128] intentionally omitted <==**
**----- Start of picture text -----**
200 tfr(ns)
180 VFR=1.1 x VIF=IF(AV)F max.
T =125°Cj
160
140
120
100
80
60
40
20 dIF/dt(A/µs)
0
0 100 200 300 400 500
**----- End of picture text -----**
## **Figure 11. Junction capacitance versus reverse voltage applied (typical values)**
## **Figure 12. Thermal resistance junction to ambient versus copper surface under tab (printed circuit board FR4, eCU = 35 µm)**
**==> picture [463 x 141] intentionally omitted <==**
**----- Start of picture text -----**
100 C(pF) 80 Rth(j-a)(°C/W)
F=1MHz D²PAK
VOSC=30mVRMS 70
T =25°Cj
60
50
10 40
30
20
VR(V) 10 S(Cu)(cm²)
1 0
1 10 100 1000 0 5 10 15 20 25 30 35 40
**----- End of picture text -----**
4/9
**STTH806**
**Package mechanical data**
## **2 Package mechanical data**
Epoxy meets UL94, V0
Cooling method: by conduction (C) Recommended torque value: 0.80 Nm
Maximum torque value: 1.0 Nm
## **Table 5. D[2] PAK Dimensions**
|**L**||||||**SS THAN 2mm**
**A**
**D**
**R**
**V2**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||**Millimeters**||**Inches**||
||**L2**||||**C2**|||||||
|||||||||**Min.**|**Max**|**Min.**|**Max.**|
|||||||||||||
|||||**E**|||A|4.40|4.60|0.173|0.181|
||||||||A1|2.49|2.69|0.098|0.106|
||**L3**||||||A2|0.03|0.23|0.001|0.009|
||||||||B|0.70|0.93|0.027|0.037|
||||||||B2|1.14|1.70|0.045|0.067|
||||||||C|0.45|0.60|0.017|0.024|
||||||**B**
**B2**
*** FLAT ZONE NO LE**
**A2**
**M**
**C**
**A1**
*||C2|1.23|1.36|0.048|0.054|
|||||||||||||
|||||||||||||
||||||||D|8.95|9.35|0.352|0.368|
|||||**G**||||||||
||||||||E|10.00|10.40|0.393|0.409|
||||||||G|4.88|5.28|0.192|0.208|
||||||||L|15.00|15.85|0.590|0.624|
||||||||L2|1.27|1.40|0.050|0.055|
||||||||L3|1.40|1.75|0.055|0.069|
||||||||M|2.40|3.20|0.094|0.126|
||||||||R|0.40 typ.||0.016 typ.||
|||||||||||||
||||||||V2|0°|8°|0°|8°|
## **Figure 13. D[2] PAK Footprint dimensions (in mm)**
**==> picture [232 x 134] intentionally omitted <==**
**----- Start of picture text -----**
16.90
10.30 5.08
1.30
3.70
8.90
**----- End of picture text -----**
5/9
**STTH806**
**Package mechanical data**
**Table 6. TO-220AC Dimensions**
|**L2**||||||**A**
**C**
**D**
**L7**
**L5**
**L6**
**L9**
**L4**
**E**
**M**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||**Millimeters**||**Inches**||
|||||||||**Min.**|**Max.**|**Min.**|**Max.**|
||||||||A|4.40|4.60|0.173|0.181|
|||||**H2**||||||||
|||||**Ø I**|||C|1.23|1.32|0.048|0.051|
||||||||D|2.40|2.72|0.094|0.107|
|||||||**L5**||||||
|||**F1**|||||E|0.49|0.70|0.019|0.027|
||||||||F|0.61|0.88|0.024|0.034|
|||||||||||||
||||||||F1|1.14|1.70|0.044|0.066|
||||||||G|4.95|5.15|0.194|0.202|
||||||||H2|10.00|10.40|0.393|0.409|
||||**F**|||||||||
||||||||L2|16.40 typ.||0.645 typ.||
||||||||L4|13.00|14.00|0.511|0.551|
|||||||||||||
||||||||L5|2.65|2.95|0.104|0.116|
||||||||L6|15.25|15.75|0.600|0.620|
|||||**G**||||||||
||||||||L7|6.20|6.60|0.244|0.259|
||||||||L9|3.50|3.93|0.137|0.154|
||||||||M|2.6 typ.||0.102 typ.||
||||||||Diam. I|3.75|3.85|0.147|0.151|
6/9
**STTH806**
**Package mechanical data**
**Table 7. TO-220AC Ins Dimensions**
|**I**||||||||**C**
**b2**
**c2**
**F**
**c1**
**M**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||||**Millimeters**|||**Inches**|||
|||||||||||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
||||||||||A|15.20||15.90|0.598||0.625|
||||||||||a1||3.75|||0.147||
||||||**B**||**L**
**A**
**a1**
**a2**
**b1**||a2|13.00||14.00|0.511||0.551|
||||||**Ø I**|||||||||||
||||||||||B|10.00||10.40|0.393||0.409|
|||||||||||||||||
||**4**||||||||b1|0.61||0.88|0.024||0.034|
||||||||||b2|1.23||1.32|0.048||0.051|
||||||||||C|4.40||4.60|0.173||0.181|
||||||||||c1|0.49||0.70|0.019||0.027|
||||**l2**|||||||||||||
||||||||||c2|2.40||2.72|0.094||0.107|
|||||||||||||||||
||||||||||e|4.80||5.40|0.189||0.212|
||||||||||F|6.20||6.60|0.244||0.259|
|||||||||||||||||
||||||**e**||||ØI|3.75||3.85|0.147||0.151|
|||||||||||||||||
||||||||||I4|15.80|16.40|16.80|0.622|0.646|0.661|
||||||||||L|2.65||2.95|0.104||0.116|
||||||||||l2|1.14||1.70|0.044||0.066|
||||||||||M||2.60|||0.102||
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
7/9
**Ordering information**
**STTH806**
## **3 Ordering information**
|**Part Number**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery**
**mode**|
|---|---|---|---|---|---|
|STTH806G|STTH806G|D2PAK|1.48 g|50|Tube|
|STTH806G-TR|STTH806G|D2PAK|1.48 g|1000|Tape and reel|
|STTH806D|STTH806D|TO-220AC|1.90 g|50|Tube|
|STTH806DIRG|STTH806DI|TO-220AC Ins|2.30 g|50|Tube|
## **4 Revision history**
|**Date**|**Revision**|**Description of Changes**|
|---|---|---|
|18-May-2006|1|First issue.|
|10-Aug-2006|2|Changed part number STTH806DI to STTH806DIRG.|
8/9
**STTH806**
## **Please Read Carefully:**
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9/9
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- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stth806g-tr/diode-ultrafast-8a-600v-d2pak/dp/2344048RL)
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