# Fast / Ultrafast Diode, 200 V, 1 A, Single, 970 mV, 20 ns, 40 A

![Product image](https://novapart.co/image/farnell:3214534RL/)

**URL**: https://novapart.co/products/STTH102AY/fast-ultrafast-diode-200-v-1-a-single-970-mv-20-ns
**SKU**: STTH102AY
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €0.0940
**Stock**: 1000+
**Lead Time**: 120 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:200V; Forward Current If(AV):1A; Diode Configuration:Single; Forward Voltage VF Max:970mV; Reverse Recovery Time trr Max:20ns; Forward Surge Cu

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 2 Pin |
| Product Range | - |
| Qualification | AEC-Q101 |
| Diode Case Style | DO-214AC (SMA) |
| Diode Configuration | Single |
| Forward Voltage Max | 970mV |
| Forward Surge Current | 40A |
| Reverse Recovery Time | 20ns |
| Average Forward Current | 1A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 200V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3214534RL/)

**STTH102-Y** 

**==> picture [62 x 39] intentionally omitted <==**

## Automotive hi h efficienc ultrafast diode g y 

## **Features** 

- Very low conduction losses 

- Negligible switching losses 

- Low forward and reverse recovery times 

- High junction temperature 

- ECOPACK[®] 2 compliant component 

- AEC-Q101 qualified 

## **Description** 

The STTH102-Y, which is using ST’s new 200 V planar technology, is specially suited for switching mode base drive and transistor circuits. The device is also intended for use as a free wheeling diode in power supplies and other power switching applications for automotive. 

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A<br>K<br>SMA<br>(JEDEC DO-214AC)<br>STTH102AY<br>**----- End of picture text -----**<br>


**Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|1 A|
|VRRM|200 V|
|Tj(max)|175 °C|
|VF(max)|0.78 V|
|trr(max)|20 ns|



1/7 

November 2011 

Doc ID 17982 Rev 1 

_www.st.com_ 

**Characteristics** 

**STTH102-Y** 

## **1 Characteristics** 

## **Table 2. Absolute rating (limiting values)** 

|**Table 2.**|**Absolute rating (limiting values)**|**Absolute rating (limiting values)**|||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|VRRM|Repetitive peak reverse voltage||200|V|
|IF(AV)|Average forward current|TL= 148 °Cδ= 0.5|1|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal|40|A|
|Tstg|Storage temperature range||-65 to + 175|°C|
|Tj|Operating junction temperature range||-40 to +175|°C|
|dV/dt|Critical rate of rise of reverse voltage||10000|V/µs|



## **Table 3. Thermal resistance** 

|**Table 3.**|**Thermal resistance**|||
|---|---|---|---|
|**Symbol**|**Parameter**|**Value**|**Unit**|
|Rth(j-l)|Junction to lead|30|°C/W|



## **Table 4. Static Electrical Characteristics** 

|**Symbol**|**Parameter**|**Tests conditions**|**Tests conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR (1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|||1|µA|
|||Tj= 125 °C|||1|25||
|VF<br>(2)|Forward voltage drop|Tj= 25 °C|IF= 700 mA|||0.90|V|
||||IF= 1 A|||0.97||
|||Tj= 125 °C|IF= 1 A||0.68|0.78||



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 = 0.65 x IF(AV) + 0.130 IF2(RMS) 

**Table 5. Dynamic electrical characteristics** 

|**Symbol**|**Parameter**|**Tests conditions**|**Tests conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|trr|Reverse recovery time|Tj= 25 °C|IF= 0.5 A Irr= 0.25 A<br>IR= 1 A||12|20|ns|
|tfr|Forward recovery time|Tj= 25 °C|IF= 1 A   dIF/dt = 50 A/ms<br>VFR= 1.1 x VFmax||50||ns|
|VFP|Forward recovery<br>voltage|Tj= 25 °C|IF= 1 A   dIF/dt = 50 A/ms||1.8||V|



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Doc ID 17982 Rev 1 

**STTH102-Y** 

**Characteristics** 

**Figure 1. Average forward power dissipation Figure 2. Average forward current versus versus average forward current ambient temperature (** δ **= 0.5)** 

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**----- Start of picture text -----**<br>
1.0 PF(AV)(W) 1.2 IF(AV)(A)<br>0.90.8 a aaa A δ A  = 0.05 δ [ly  = 0.1 7ES δ = 0.2 DY7 δ = 0.5 a Ar [ Ia 1.0 Rth(j-a)=Rth(j-I)<br>0.7 ee es YA yA a | δ = 1<br>0.6 aaee aee AeeAeeAA A 0.8<br>0.5 aaAAA 0.6 Rth(j-a)=120°C/W<br>0.4 aaa AyA a<br>0.3 aLTa Aeee T 0.4 T<br>0.2 LA 0.2<br>0.10.0 [La(AA ao| | IF(AV)(A) —[|a δ [=tp/T] tp 0.0 δ [=tp/T] tp Tamb(°C)<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 25 50 75 100 125 150 175<br>Relative variation of thermal  Figure 4. Forward voltage drop versus<br>impedance junction to ambient  forward current<br>versus pulse durationpulse durationulse duration<br>1.0 Z a th(j-a)/Rth(j-a) 100.0 I oo FM(A)<br>0.9<br>0.8 See| TT ametPP ttCAAsrZ| 4 2ititl eee S==ssssSssse=====asase=eaee a a OG| (maximum values)T =125°Cj SO GOa OOA Pc eeiePteel<br>0.7 eya Lt} tty | | | |[ieeerT | | |<br>a a a oY2 10.0 aa T =125°Cj LIONLactecetee | tl | | |<br>0.6 ee δ = 0.5 a = (typical values) SS ee ——<br>0.5 7 sVAY A T EERE EEN RR A EERE T =25°Cj EEE<br>0.4 o _o ooo P LA. HH (maximum values) t+<br>0.3 EPeet δ = 0.2 A ee δ [=t] p [/T] tp 1.0 PCCSeeFF oeFCCC<br>0.2 eepT δ = 0.1 i easLTH e(Cu) = 35 µm, recommended pad layoutepoxy printed circuit board, LTTTT oe,———a a a A aAdoeAGOor<br>0.1<br>= Single pulse aan EHH EHH Hl tp(s) Bees a eee VFM(V)<br>0.0 0.1<br>1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4<br>**----- End of picture text -----**<br>


**Figure 3. Relative variation of thermal impedance junction to ambient versus pulse durationpulse durationulse duration** 

**Figure 5. Junction capacitance versus Figure 6. Reverse recovery time versus dIF/dt reverse voltage applied (90% confidence) (typical values)** 

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C(pF) trr(ns)<br>100 70<br>VOSCF=1MHzT =25°C=30mVj RMS 60 IVT =125°CFjR=1A=100V<br>50<br>40<br>10 T =125°Cj<br>30<br>T =25°Cj<br>20<br>10<br>VR(V) dIF/dt(A/µs)<br>1 0<br>1 10 100 1000 1 10 100 1000<br>**----- End of picture text -----**<br>


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**Characteristics** 

**STTH102-Y** 

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Figure 7. Peak recovery current versus dIF/dt    Figure 8. Reverse recovery charges versus<br>(90% confidence) dIF/dt   (90% confidence)<br>**----- End of picture text -----**<br>


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IRM(A) Qrr(nC)<br>3.5 35.0<br>3.0 IVT =125°CFjR=1A=100V 32.530.0 IVFR=1A=100V<br>27.5<br>2.5 25.0<br>22.5<br>2.0 20.0 T =125°Cj<br>T =125°Cj 17.5<br>1.5 15.0<br>12.5<br>1.0 T =25°Cj 10.0<br>7.5 T =25°Cj<br>0.5 5.0<br>dIF/dt(A/µs) 2.5 dIF/dt(A/µs)<br>0.0 0.0<br>1 10 100 1000 1 10 100 1000<br>**----- End of picture text -----**<br>


## **Figure 9. Relative variations of dynamic parameters versus junction temperature** 

**Figure 10. Thermal resistance junction to ambient versus copper surface under each lead** 

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**----- Start of picture text -----**<br>
3.5 IRM; trr; Qrr [T ] /j IRM; trr; Qrr [Tj =25°C] 120 Rth(j-a)(°C/W)<br>IF=IF(AV) 110 Epoxy printed circuit board FR4, copper thickness: 35 µm<br>dIF/dt=200A/µs<br>VR=100V 100<br>3.0<br>90<br>QRR 80<br>2.5 70<br>60<br>50<br>2.0<br>trr 40<br>30<br>1.5 IRM 20<br>T (°C)j 10 S(cm²)<br>1.0 0<br>25 50 75 100 125 150 175 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0<br>**----- End of picture text -----**<br>


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**STTH102-Y** 

**Package information** 

## **2 Package information** 

- Epoxy meets UL94 V0 

- Lead-free packages 

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. 

|**Table 6.**|**Table 6.**|**SMA dimensions**|**SMA dimensions**|**SMA dimensions**|**SMA dimensions**|**SMA dimensions**|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**C**|||||||**b**|||**Ref.**|**Dimensions**||||
||||||||||||**Millimeters**||**Inches**||
|||**E1**|||**L**<br>**D**<br>**A1**<br>**A2**||||||||||
||||||||||||**Min.**|**Max.**|**Min.**|**Max.**|
||||||||||||||||
|||||||||||A1|1.90|2.45|0.075|0.094|
|||||||||||A2|0.05|0.20|0.002|0.008|
|||**E**||||||||b|1.25|1.65|0.049|0.065|
|||||||||||c|0.15|0.40|0.006|0.016|
||||||||||||||||
|||||||||||D|2.25|2.90|0.089|0.114|
|||||||||||E|4.80|5.35|0.189|0.211|
||||||**L**|||**b**||E1|3.95|4.60|0.156|0.181|
|||||||||||L|0.75|1.50|0.030|0.059|



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Figure 11. Footprint (dimensions in mm)<br>**----- End of picture text -----**<br>


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1.4 2.63 1.4<br>1.64<br>5.43<br>**----- End of picture text -----**<br>


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**Ordering information** 

**STTH102-Y** 

## **3 Ordering information** 

## **Table 7. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|STTH102AY|U12Y|SMA|0.068 g|5000|Tape and reel|



## **4 Revision history** 

## **Table 8. Revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|07-Nov-2011|1|Initial release.|



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**STTH102-Y** 

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