# Fast / Ultrafast Diode, 1 kV, 1 A, Single, 1.7 V, 75 ns, 18 A ![Product image](https://novapart.co/image/farnell:2354444/) **URL**: https://novapart.co/products/STTH110A/fast-ultrafast-diode-1-kv-a-single-17-v-75-ns-18 **SKU**: STTH110A **Manufacturer**: STMICROELECTRONICS **Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes **Price**: €0.0780 **Stock**: 1000+ **Lead Time**: 120 days (indicative) ## Description Repetitive Reverse Voltage Vrrm Max:1kV; Forward Current If(AV):1A; Diode Configuration:Single; Forward Voltage VF Max:1.7V; Reverse Recovery Time trr Max:75ns; Forward Surge Current Ifs ## Specifications | Parameter | Value | |---|---| | Svhc | No SVHC (25-Jun-2025) | | No. Of Pins | 2 Pin | | Product Range | STTH1 | | Qualification | - | | Diode Case Style | DO-214AC (SMA) | | Diode Configuration | Single | | Forward Voltage Max | 1.7V | | Forward Surge Current | 18A | | Reverse Recovery Time | 75ns | | Average Forward Current | 1A | | Operating Temperature Max | 175°C | | Repetitive Peak Reverse Voltage | 1kV | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:2354444/) ## **STTH110** ## High voltage ultrafast rectifier **Datasheet** - **production data** ## **Description** **==> picture [194 x 180] intentionally omitted <==** **----- Start of picture text -----**
A K
pl
A
A
K
K
DO-41 SMA
STTH110 (JEDEC DO-214AC)
STTH110A
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The STTH110, which is using ST ultrafast high voltage planar technology, is especially suited for free-wheeling, clamping, snubbering, demagnetization in power supplies and other power switching applications. **Table 1. Device summary** |**Symbol**|**Value**| |---|---| |IF(AV)|1 A| |VRRM|1000 V| |Tj (max)|175 °C| |VF (max)|1.42 V| ## **Features** - Low forwarded voltage drop - High reliability - High surge current capability - Soft switching for reduced EMI disturbances - Planar technology December 2013 DocID9344 Rev 3 1/8 This is information on a product in full production. _www.st.com_ **Characteristics** **STTH110** ## **1 Characteristics** **Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)** |||||||| |---|---|---|---|---|---|---| |**Symbol**|**Parameter**||||**Value**|**Unit**| |VRRM|Repetitive peak reverse voltage||||1000|V| |V(RMS)|Voltage rms||||700|V| |IF(AV)|Average forward current|SMA|TL= 110 °Cδ = 0.5||1|A| |||DO-41|TL= 125 °Cδ= 0.5||1|| |IFSM|Forward Surge current
t = 8.3 ms|||SMA|18|A| |||||DO-41|20|| |Tstg|Storage temperature range||||-50 to + 175|°C| |Tj|Maximum operating junction temperature||||175|°C| **Table 3. Thermal resistance** |**Symbol**||**Parameter**||**Value**|**Unit**| |---|---|---|---|---|---| |Rth(j-l)|Junction to lead||SMA|30|°C/W| |||Lead length = 10 mm|DO-41|45|| |Rth(j-a)|Junction to ambient|Lead length = 10 mm|DO-41|110|| **Table 4. Static electrical characteristics** |**Symbol**|**Parameter**|**Tests conditions**|**Tests conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---|---| |IR|Reverse leakage current|Tj= 25 °C|VR= 1000 V|||10|µA| |||Tj= 125 °C||||50|| |VF|Forward voltage drop|Tj= 25 °C|IF= 1 A|||1.7|V| |||Tj= 150 °C|||0.98|1.42|| To evaluate the conduction losses use the following equation: P = 1.20 x IF(AV) + 0.225 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,
IR= 1 A|||75|ns| |tfr|Forward recovery time|Tj= 25 °C|IF= 1 A,
dIF/dt = 50 A/ms
VFR= 1.1 x VFmax|||300|ns| |VFP|Forward recovery
voltage|||||18|V| 2/8 DocID9344 Rev 3 **STTH110** **Characteristics** **Figure 1. Conduction losses versus average current** **Figure 2. Forward voltage drop versus forward current (typical values)** **==> picture [462 x 147] intentionally omitted <==** **----- Start of picture text -----**
P(W) IFM(A)
1.8 100.0
δ = 0.1 δ = 0.2 δ = 0.5
1.6 δ = 0.05
1.4 (maximum values)T =150°Cj
δ = 1
1.2 10.0
T =150°Cj
1.0 (typical values)
0.8 T =25°Cj
(maximum values)
0.6 1.0
0.4 T
0.2 IF(AV)(A) δ [=tp/T] tp VFM(V)
0.0 0.1
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
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**Figure 3. Relative variation of thermal impedance junction ambient versus pulse duration (DO-41)** **Figure 4. Relative variation of thermal impedance junction ambient versus pulse duration (SMA)** **==> picture [462 x 147] intentionally omitted <==** **----- Start of picture text -----**
Zth(j-c)/Rth(j-c) Zth(j-c)/Rth(j-c)
1.0 1.0
epoxy FR4, leads = 10 mm
0.9 0.9
0.8 0.8
0.7 0.7
0.6 0.6 δ = 0.5
δ = 0.5
0.5 0.5
0.4 0.4
0.3 0.3 δ = 0.2
δ = 0.2 T δ = 0.1 T
0.2 0.2
δ = 0.1
0.1 Single pulse tp(s) δ = tp/T tp 0.1 Single pulse tp(s) δ =tp/T tp
0.0 0.0
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
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**Figure 5. Thermal resistance junction to ambient versus copper surface under each lead (DO-41)** **Figure 6. Thermal resistance junction to ambient versus copper surface under each lead (SMA)** **==> picture [462 x 147] intentionally omitted <==** **----- Start of picture text -----**
Rth(j-a)(°C/W) Rth(j-a)(°C/W)
120 140
110 epoxy printed circuit board FR4, copper thickness: 35 µm 130 epoxy printed circuit board FR4, copper thickness: 35 µm
100 120
110
90
100
80 90
70 80
60 70
50 60
40 50
40
30
30
20 20
10 S(cm²) 10 S(cm²)
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 4.5 5.0
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DocID9344 Rev 3 3/8 **STTH110** **Package information** ## **2 Package information** - Epoxy meets UL94,V0 - Lead-free package - Band indicates cathode - Bending method (DO-41): see Application note AN1471 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 [405 x 297] intentionally omitted <==** **----- Start of picture text -----**
Figure 7. SMA dimensions definitions
E1
D
E
A1
C A2
L b
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4/8 DocID9344 Rev 3 **STTH110** **Package information** **Table 6. SMA dimension values** ||**Table 6. SMA dimension values**|**Table 6. SMA dimension values**|**Table 6. SMA dimension values**|**Table 6. SMA dimension values**|**Table 6. SMA dimension values**|**Table 6. SMA dimension values**| |---|---|---|---|---|---|---| |**Ref.**|**Dimensions**|||||| ||**Millimeters**|||**Inches**||| ||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |A1|1.90||2.45|0.075||0.094| |A2|0.05||0.20|0.002||0.008| |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| |E1|3.95||4.60|0.156||0.181| |L|0.75||1.50|0.030||0.059| ## **Figure 8. SMA footprint, dimensions in mm (inches)** **==> picture [389 x 193] intentionally omitted <==** **----- Start of picture text -----**
1.4 2.63 1.4
(0.055) (0.104) (0.055)
1.64
(0.064)
5.43
(0.214)
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DocID9344 Rev 3 5/8 **STTH110** **Package information** ## **Figure 9. DO-41 (plastic) dimensions definitions** **==> picture [315 x 121] intentionally omitted <==** **----- Start of picture text -----**
C A C � B
� D � D
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**Table 7. DO-41 (plastic) dimension values** ||**Table 7. DO-41(plastic) dimension values**|**Table 7. DO-41(plastic) dimension values**|**Table 7. DO-41(plastic) dimension values**|**Table 7. DO-41(plastic) dimension values**|**Table 7. DO-41(plastic) dimension values**|**Table 7. DO-41(plastic) dimension values**| |---|---|---|---|---|---|---| |**Ref.**|**Dimensions**|||||| ||**Millimeters**|||**Inches**||| ||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |A|4.07||5.20|0.160||0.205| |B|2.04||2.71|0.080||0.107| |C|25.4|||1||| |D|0.71||0.86|0.028||0.034| 6/8 DocID9344 Rev 3 **STTH110** **Ordering information** ## **3 Ordering information** **Table 8. Ordering information** |**Order codes**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**| |---|---|---|---|---|---| |STTH110|STTH110|DO-41|0.34 g|2000|Ammopack| |STTH110A|H10|SMA|0.068 g|5000|Tape and reel 13”| |STTH110RL|STTH110|DO-41|0,34 g|5000|Tape and reel 13”| ## **4 Revision history** **Table 9. Document revision history** |**Date**|**Revision**|**Changes**| |---|---|---| |Jan-2003|1|Initial release.| |30-Sept-2009|2|Updated_Table 8_.| |20-Dec-2013|3|Updated_Table 4_.| DocID9344 Rev 3 7/8 **STTH110** ## **Please Read Carefully:** Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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