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STPS20SM120SR
Small Signal Schottky Diode, Single, 120 V, 20 A, 890 mV, 220 A, 150 °C
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- Manufacturer: STMICROELECTRONICS
- Product type: Small Signal Schottky Diodes
- No. of Pins: 3Pins
- Product Range: STPS2
- Diode Mounting: Through Hole
- Diode Case Style: TO-262
- Diode Configuration: Single
- Forward Voltage Max: 890mV
- Forward Surge Current: 220A
- Average Forward Current: 20A
- Operating Temperature Max: 150°C
- Repetitive Peak Reverse Voltage: 120V
| Delivery and price | |
|---|---|
| Units per pack | 100 |
| Price | Ask for quotation |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
## **STPS20SM120S** ## Power Schottky rectifier ## **Datasheet** - **production data** ## **Description** This Schottky diode is suited for high frequency switch mode power supply. Packaged in TO-220AB narrow leads, TO-220AB, TO-220FPAB and I[2] PAK, this device is intended to be used in notebook, game station and desktop adapters, providing in these applications a good efficiency at both low and high load. **Table 1. Device summary** **==> picture [140 x 80] intentionally omitted <==** **----- Start of picture text -----**<br> ||| |---|---| |Symbol|Value| |I|20 A| |F(AV)| |VRRM|120 V| |T|150 °C| |j| |VF (typ)|0.49 V| **----- End of picture text -----**<br> ## **Figure 1. Electrical characteristics[(a)]** ## **Features** - High current capability - Avalanche rated - Low forward voltage drop - High frequency operation - Insulated package TO220FP-AB: - Insulated voltage: 2000 VRMS sine - ECOPACK[®] 2 compliant component on TO-220AB and TO-220FPAB. **==> picture [170 x 155] intentionally omitted <==** **----- Start of picture text -----**<br> I<br>V<br>"Forward"<br>I<br>2 x IO X<br>IF<br>IO X<br>VRRM<br>VAR VR<br>V<br>IR<br>VTo VF(Io) VF VF(2xIo)<br>"Reverse"<br>IAR<br>**----- End of picture text -----**<br> - a. VARM and IARM must respect the reverse safe operating area defined in _Figure 9_ . VAR and IAR are pulse measurements (tp < 10 µs). VR, IR, VRRM and VF, are static characteristics November 2014 DocID022921 Rev 2 1/14 This is information on a product in full production. _www.st.com_ **Characteristics** **STPS20SM120S** ## **1 Characteristics** **Table 2. Absolute ratings (limiting values with terminals 1 and 3 short circuited at Tamb = 25 °C, unless otherwise specified)** ||**unless otherwise specified)**|**unless otherwise specified)**||| |---|---|---|---|---| |**Symbol**|**Parameter**||**Value**|**Unit**| |VRRM|Repetitive peak reverse voltage||120|V| |IF(RMS)|Forward rms current||50|A| |IF(AV)|Average forward current||20|A| |IFSM|Surge non repetitive forward current|tp= 10 ms sine-wave|220|A| |PARM<br>(1)|Repetitive peak avalanche power|Tj= 125 °C, tp= 10 µs|900|W| |VARM<br>(2)|Maximum repetitive peak avalanche voltage|tp< 10 µs, Tj< 125 °C, IAR< 6A|150|V| |VASM<br>(2)|Maximum single-pulse peak avalanche voltage|tp< 10 µs, Tj< 125 °C, IAR< 6A|150|V| |Tstg|Storage temperature range||-65 to +175|°C| |Tj|Maximum operating junction temperature(3)||150|°C| 1. For pulse time duration deratings, please refer to _Figure 4_ . More details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the STMicroelectronics Application notes AN1768, “Admissible avalanche power of Schottky diodes” and AN2025, “Converter improvement using Schottky rectifier avalanche specification”. 2. See _Figure 9_ dPtot 1 3. < condition to avoid thermal runaway for a diode on its own heatsink dTj Rth(j-a) **Table 3. Thermal resistance** |**Symbol**|**Parameter**||**Value**|**Unit**| |---|---|---|---|---| |Rth(j-c)|Junction to case|TO-220AB and TO-220AB narrow leads|1.55|°C/W| |||TO-220FPAB|4|| **Table 4. Static electrical characteristics (terminals 1 and 3 short circuited)** |**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**| |---|---|---|---|---|---|---|---| |IR<br>(1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|-|40|210|µA| |||Tj= 125 °C||-|15|40|mA| |VF<br>(2)|Forward voltage drop|Tj= 125 °C|IF= 5 A|-|0.49|0.54|V| |||Tj= 25 °C|IF= 10 A|-||0.75|| |||Tj= 125 °C||-|0.57|0.62|| |||Tj= 25 °C|IF= 20 A|-||0.89|| |||Tj= 125 °C||-|0.65|0.72|| 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 = 0.56 x IF(AV) + 0.008 x IF[2] (RMS) 2/14 DocID022921 Rev 2 **STPS20SM120S** **Characteristics** **Figure 2. Average forward power dissipation Figure 3. Average forward current versus versus average forward current ambient temperature (** δ **= 0.5)** **==> picture [438 x 139] intentionally omitted <==** **----- Start of picture text -----**<br> PF(AV)(W) IF(AV)(A)<br>24 24<br>Rth(j-a) = Rth(j-c)<br>20 |ee| ft | δ = 0.05 δ = 0.1 A_| δ = 0.2 | δ = 0.5 δ = 1 |_| 20 Ffttttt+}+rt [| | | f— ft tf ft ++tT ye<br>16 ee 7 ee eee 16 eeee<br>Ran eA YAFgeo 4ee eeee ee<br>12 12<br>8 8<br>4 T 4 T<br>δ = tp / T tp I F(AV) (A) δ = tp / T tp T amb (°C)<br>0 a! i i tl [| ft | 0 “TT ET ft tt \<br>0 4 8 12 16 20 24 28 0 25 50 75 100 125 150<br>**----- End of picture text -----**<br> **Figure 4. Normalized avalanche power derating versus pulse duration** **Figure 5. Relative variation of thermal impedance junction to case versus pulse duration** **==> picture [439 x 343] intentionally omitted <==** **----- Start of picture text -----**<br> Zth(j-c)/Rth(j-c)<br>4 Parmtty)/Parm(t0 Hs) ———— ——— 1.0 a a 0 0 Og_<br>0.9<br>0.8 fT Tye a<br>0.7<br>0.1 MBB PytT TyeyaAA)aH<br>0.6 [| TT<br>fot TeeaT<br>0.5 [oT TTT<br>ft TUTATT<br>0.4 [oy TTT ATT<br>0.01 0.30.2 fTaee Single pulse Tet0 Lor, OT| 0TT 0<br>0.1 rT Ty<br>0.001 Me hea 0.0 esnraEEEa e OO2EEPde t p (s) ee<br>1 10 100 1000 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00<br>Reverse leakage current versus Figure 7. Junction capacitance versus<br>reverse voltage applied reverse voltage applied<br>(typical values)typical values)ypical values)ical values)) (typical values)<br>IR(mA) C(pF)<br>1.E+02 1000<br>SS ES Tj =150 °C KT TTT TT Vosc F=1MHzT =30mVj =25°C RMS 1]<br>===sccsscseseasse====2ce RES EEE<br>1.E+01 EEC CECE eer NS<br>T j =150°C<br>Bene aoeaaaee eea| — aaa— ET |<br>1.E+00 T j =100°C<br>Tj=75°C<br>aoe Par IN SJ<br>1.E-01 === === === = Tj=50 = ° C (<br>1.E-02 ========-—-ee >= Tj=25°C ==eer===> So NE<br>1.E-03 =aesLSSSSS=SSSSSEEE E EEE EE EEE eee===eetSS V +4 R (V) 100 TN VR(V)<br>0 10 20 30 40 50 60 70 80 90 100 110 120 1 10 100 1000<br>**----- End of picture text -----**<br> **Figure 6. Reverse leakage current versus reverse voltage applied (typical values)typical values)ypical values)ical values))** DocID022921 Rev 2 3/14 **Characteristics** **STPS20SM120S** **Figure 8. Forward voltage drop versus forward current** **Figure 9. Reverse safe operating area (tp < 10 µs and Tj < 125 °C)** **==> picture [463 x 146] intentionally omitted <==** **----- Start of picture text -----**<br> IFM(A)<br>1000.0<br>Iarm (A)<br>8.0<br>100.0 (Maximum values)T j =125°C 7.5<br>7.0<br>(Typical values)Tj=125°C<br>10.0 (Maximum values) Tj=25°C 6.5<br>6.0<br>1.0 5.5<br>Varm (V)<br>5.0<br>V FM (V) 120 130 140 150 160 170<br>0.1<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8<br>**----- End of picture text -----**<br> 4/14 DocID022921 Rev 2 **STPS20SM120S** **Package information** ## **2 Package information** - Epoxy meets UL94, V0 - Cooling method: by conduction (C) - Recommended torque value for TO-220AB and TO-220FPAB: 0.4 N·m 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. **Figure 10. TO-220AB narrow leads dimension definitions** **==> picture [398 x 268] intentionally omitted <==** **----- Start of picture text -----**<br> �<br>��<br>� �<br>�<br>��<br>�<br>��<br>���<br>���<br>��<br>������<br>� �<br>�<br>� � �<br>� �<br>������<br>��<br>**----- End of picture text -----**<br> DocID022921 Rev 2 5/14 **STPS20SM120S** **Package information** **Table 5. TO-220AB narrow leads dimension values** ||**Table 5. TO-220AB narrow leads dimension values**|**Table 5. TO-220AB narrow leads dimension values**|**Table 5. TO-220AB narrow leads dimension values**|**Table 5. TO-220AB narrow leads dimension values**|**Table 5. TO-220AB narrow leads dimension values**|**Table 5. TO-220AB narrow leads dimension values**| |---|---|---|---|---|---|---| |**Ref.**|**Dimensions**|||||| ||**Millimeters**|||**Inches**||| ||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |A|4.40||4.60|0.17||0.18| |b|0.61||0.88|0.024||0.034| |b1|0.95||1.20|0.037||0.047| |c|0.48||0.70|0.019||0.027| |D|15.25||15.75|0.60||0.62| |D1|1.27|||0.05||| |E|10.00||10.40|0.39||0.41| |e|2.40||2.70|0.094||0.106| |e1|4.95||5.15|0.19||0.20| |F|1.23||1.32|0.048||0.052| |H1|6.20||6.60|0.24||0.26| |J1|2.40||2.72|0.095||0.107| |L|13.00||14.00|0.51||0.55| |L1|2.60||2.90|0.102||0.114| |L20|15.40|||0.61||| |L30|28.90|||1.14||| |∅P|3.75||3.85|0.147||0.151| |Q|2.65||2.95|0.104||0.116| 6/14 DocID022921 Rev 2 **STPS20SM120S** **Package information** ## **Figure 11. TO-220AB dimension definitions** DocID022921 Rev 2 7/14 **STPS20SM120S** **Package information** **Table 6. TO-220AB dimension values** ||**Table 6. TO-220AB dimension values**|**Table 6. TO-220AB dimension values**|**Table 6. TO-220AB dimension values**|**Table 6. TO-220AB dimension values**| |---|---|---|---|---| |**Ref.**|**Dimensions**|||| ||**Millimeters**||**Inches**|| ||**Min.**|**Max.**|**Min.**|**Max.**| |A|4.40|4.60|0.17|0.181| |b|0.61|0.88|0.024|0.035| |b1|1.14|1.50|0.045|0.059| |c|0.48|0.70|0.019|0.027| |D|15.25|15.75|0.60|0.62| |D1|1.27 typ.||0.05 typ.|| |E|10|10.40|0.39|0.41| |e|2.40|2.70|0.094|0.106| |e1|4.95|5.15|0.19|0.20| |F|1.23|1.32|0.048|0.052| |H1|6.20|6.60|0.24|0.26| |J1|2.40|2.72|0.094|0.107| |L|13|14|0.51|0.55| |L1|3.50|3.93|0.137|0.154| |L20|16.40 typ.||0.64 typ.|| |L30|28.90 typ.||1.13 typ.|| |∅P|3.75|3.85|0.147|0.151| |Q|2.65|2.95|0.104|0.116| 8/14 DocID022921 Rev 2 **STPS20SM120S** **Package information** **==> picture [217 x 11] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 12. TO-220FPAB dimension definitions<br>**----- End of picture text -----**<br> 9/14 ~~a~~ DocID022921 Rev 2 9/14 **STPS20SM120S** **Package information** **Table 7. TO-220FPAB dimension values** ||**Table 7. TO-220FPAB dimension values**|**Table 7. TO-220FPAB dimension values**|**Table 7. TO-220FPAB dimension values**|**Table 7. TO-220FPAB dimension values**| |---|---|---|---|---| |**Ref.**|**Dimensions**|||| ||**Millimeters**||**Inches**|| ||**Min.**|**Max.**|**Min.**|**Max.**| |A|4.4|4.6|0.173|0.181| |B|2.5|2.7|0.098|0.106| |D|2.5|2.75|0.098|0.108| |E|0.45|0.70|0.018|0.027| |F|0.75|1|0.030|0.039| |F1|1.15|1.70|0.045|0.067| |F2|1.15|1.70|0.045|0.067| |G|4.95|5.20|0.195|0.205| |G1|2.4|2.7|0.094|0.106| |H|10|10.4|0.393|0.409| |L2|16 Typ.||0.63 Typ.|| |L3|28.6|30.6|1.126|1.205| |L4|9.8|10.6|0.386|0.417| |L5|2.9|3.6|0.114|0.142| |L6|15.9|16.4|0.626|0.646| |L7|9.00|9.30|0.354|0.366| |Dia.|3.00|3.20|0.118|0.126| 10/14 DocID022921 Rev 2 **STPS20SM120S** **Package information** ## **Figure 13. I²PAK dimension definitions** 11/14 ~~a~~ DocID022921 Rev 2 11/14 **STPS20SM120S** **Package information** **Table 8. I²PAK dimension values** ||**Table 8. I²PAK dimension values**|**Table 8. I²PAK dimension values**|**Table 8. I²PAK dimension values**|**Table 8. I²PAK dimension values**| |---|---|---|---|---| |**Ref.**|**Dimensions**|||| ||**Millimeters**||**Inches**|| ||**Min.**|**Max.**|**Min.**|**Max.**| |A|4.40|4.60|0.173|0.181| |A1|2.40|2.72|0.094|0.107| |b|0.61|0.88|0.024|0.035| |b1|1.14|1.70|0.044|0.067| |c|0.49|0.70|0.019|0.028| |c2|1.23|1.32|0.048|0.052| |D|8.95|9.35|0.352|0.368| |e|2.40|2.70|0.094|0.106| |e1|4.95|5.15|0.195|0.203| |E|10|10.40|0.394|0.409| |L|13|14|0.512|0.551| |L1|3.50|3.93|0.138|0.155| |L2|1.27|1.40|0.050|0.055| 12/14 DocID022921 Rev 2 **STPS20SM120S** **Ordering information** ## **3 Ordering information** **Table 9. Ordering information** |**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**| |---|---|---|---|---|---| |STPS20SM120SR|PS20SM120SR|I2PAK|1.49 g|50|Tube| |STPS20SM120STN|PS20SM120STN|TO-220AB<br>narrow leads|1.9 g|50|Tube| |STPS20SM120ST|PS20SM120ST|TO-220AB|2.2 g|50|Tube| |STPS20SM120SFP|PS20SM120SFP|TO-220FPAB|1.7 g|50|Tube| ## **4 Revision history** **Table 10. Document revision history** |**Date**|**Revision**|**Changes**| |---|---|---| |02-Apr-2012|1|First issue.| |13-Nov-2014|2|Added TO-220AB and TO-220FPAB package information.| DocID022921 Rev 2 13/14 **STPS20SM120S** ## **IMPORTANT NOTICE – PLEASE READ CAREFULLY** STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2014 STMicroelectronics – All rights reserved 14/14 DocID022921 Rev 2
Updated at February 9, 2023
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