# Schottky Rectifier, 120 V, 30 A, Dual Common Cathode, TO-220AB, 3 Pins, 1.08 V
**URL**: https://novapart.co/products/STPS30L120CT/schottky-rectifier-120-v-30-a-dual-common-cathode
**SKU**: STPS30L120CT
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.6110
**Stock**: 200+
**Lead Time**: 319 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | ECOPACK2 Series |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | TO-220AB |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 1.08V |
| Forward Surge Current | 220A |
| Average Forward Current | 30A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 120V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:4860886/)
**STPS30L120C**
Datasheet
120 V power Schottky rectifier
**==> picture [127 x 157] intentionally omitted <==**
**----- Start of picture text -----**
A1
K
A2 ad s
K
A2
A2 K
A1
A1 [K]
TO-220AB TO-220FPAB
K
A2
K
I²PAK A1
**----- End of picture text -----**
## **Features**
- High junction temperature capability
- Avalanche capability specified
- Low forward voltage drop current
- High frequency operation
- Insulated package: TO-220FPAB
- Insulating voltage = 1500 VRMS
- ECOPACK[®] 2 compliant
## **Applications**
- Switching diode
- SMPS
- DC/DC converter
- LED lighting
- Notebook adapter
## **Description**
This dual center tap Schottky rectifier is optimized for high frequency switch mode power supplies.
|**Product status link**
~~ea~~|**Product status link**
~~ea~~|
|---|---|
|STPS30L120C||
|**Product summary**
~~—_——~~||
|**Symbol**
~~—_—~~|**Value**
~~——~~|
|**IF(AV)**|2 x 15A|
|**VRRM**|120 V|
|**Tj (max.)**|150 °C|
|**VF (typ.)**|0.65 V|
Packaged in TO-220AB, I2PAK and TO-220FPAB, the STPS30L120C provides adaptor designers with an optimized price-performance ratio.
**DS6493** - **Rev 4** - **July 2018** For further information contact your local STMicroelectronics sales office.
www.st.com
**STPS30L120C Characteristics**
**1**
## **Characteristics**
**Table 1. Absolute ratings (limiting values at 25 °C, unless otherwise specified, per diode)**
|**Symbol**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage||120|V|
|IF(RMS)|Forward rms current||30|A|
|IF(AV)|Average forward current, δ = 0.5 square wave|Per diode|15|A|
|||Per device|30||
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal|220|A|
|PARM|Repetitive peak avalanche power|tp= 10 µs, Tj= 125 °C|828|W|
|Tstg|Storage temperature range||-65 to +175|°C|
|Tj|Maximum operating junction temperature(1)||150|°C|
_1. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink._
**Table 2. Thermal resistance parameters**
|**Symbol**||**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|---|
|Rth(j-c)|Junction to case|TO-220AB, I²PAK|Per diode|1.3|°C/W|
||||Total|0.7||
|||TO-220FPAB|Per diode|4.5||
||||Total|3.8||
|Rth(c)|Coupling|TO-220AB, I²PAK||0.1||
|||TO-220FPAB||3||
When the diodes 1 and 2 are used simultaneously:
Tj(diode 1) = P(diode 1) x Rth(j-c)(per diode) + P(diode 2) x Rth(c)
For more information, please refer to the following application note:
- AN5088 : Rectifiers thermal management, handling and mounting recommendations
**Table 3. Static electrical characteristics (per diode)**
|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR(1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|-||200|µA|
|||Tj= 125 °C||-|12|35|mA|
|VF(2)|Forward voltage drop|Tj= 25 °C|IF= 5 A|-||0.675|V|
|||Tj= 125 °C||-|0.51|0.57||
|||Tj= 25 °C|IF= 15 A|-||0.88||
|||Tj= 125 °C||-|0.65|0.71||
|||Tj= 25 °C|IF= 30 A|-||1.08||
|||Tj= 125 °C||-|0.755|0.84||
_1. Pulse test: tp = 5 ms, δ < 2%_
**DS6493** - **Rev 4**
**page 2/14**
**STPS30L120C Characteristics**
## _2. Pulse test: tp = 380 µs, δ < 2%_
To evaluate the conduction losses, use the following equation:
P = 0.58 x IF(AV) + 0.0087 x IF[2] (RMS)
For more information, please refer to the following application notes related to the power losses :
- AN604: Calculation of conduction losses in a power rectifier
- AN4021: Calculation of reverse losses on a power diode
**DS6493** - **Rev 4**
**page 3/14**
**STPS30L120C Characteristics (curves)**
## **1.1 Characteristics (curves)**
**Figure 1. Average forward power dissipation versus average forward current (per diode)**
**==> picture [217 x 140] intentionally omitted <==**
**----- Start of picture text -----**
14 PF(AV)(W)
δ = 0.1 δ = 0.2 δ = 0.5 δ = 1
12
δ = 0.05
10
8
6
4
T
2
IF(AV)(A) δ =tp/T tp
0
0 2 4 6 8 10 12 14 16 18
**----- End of picture text -----**
**Figure 2. Average forward current versus ambient temperature (δ = 0.5, per diode)**
**==> picture [218 x 142] intentionally omitted <==**
**----- Start of picture text -----**
IF(AV)(A)
18
16 R th(j-a) = R th(j-c)
14
12 TO-220AB
10
8 TO-220FPAB
6
4 T R th(j-a) = 15°C/W
2
δ=tp/T tp T amb (°C)
0
0 25 50 75 100 125 150
**----- End of picture text -----**
**==> picture [513 x 205] intentionally omitted <==**
**----- Start of picture text -----**
Figure 4. Relative variation of thermal impedance junction
Figure 3. Normalized avalanche power derating versus to case versus pulse duration (TO-220AB, I²PAK)
pulse duration (Tj = 125 °C)
PARM(tp) Zth(j-c)/Rth (j-c)
1 PARM(10 µs) 1.0
0.9
0.8
0.7
0.1 0.6
0.5
0.4
0.01 0.3
0.2
0.1 Single pulse t P (s)
t p(µs) 0.0
0.001
1.E-03 1.E-02 1.E-01 1.E+00
1 10 100 1000
**----- End of picture text -----**
**DS6493** - **Rev 4**
**page 4/14**
**STPS30L120C Characteristics (curves)**
**==> picture [513 x 220] intentionally omitted <==**
**----- Start of picture text -----**
Figure 6. Reverse leakage current versus reverse voltage
Figure 5. Relative variation of thermal impedance junction
applied (typical values, per diode)
to case versus pulse duration (TO-220FPAB)
Zth(j-c)/Rth (j-c)
1.0 IR(mA)
1.E+02
0.9
0.8 1.E+01 Tj = 150 °C
0.7
Tj = 125 ° C
0.6
0.5 1.E+00 Tj = 100 °C
0.4 T j = 75 °C
1.E-01
0.3
Tj = 50 °C
0.2
0.1 1.E-02 Tj = 25 °C
Single pulse t P(s)
0.0 V R (V)
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E-03
0 10 20 30 40 50 60 70 80 90 100 110 120
**----- End of picture text -----**
**Figure 7. Junction capacitance versus reverse voltage applied (typical values, per diode)**
**Figure 8. Forward voltage drop versus forward current (per diode)**
**==> picture [218 x 140] intentionally omitted <==**
**----- Start of picture text -----**
C(pF)
1000
F = 1 MHz
VOSC = 30 mVRMS
T j = 25 °C
VR(V)
100
1 10 100 1000
**----- End of picture text -----**
**==> picture [217 x 141] intentionally omitted <==**
**----- Start of picture text -----**
IF (A)
200
180
160
140 (Maximum values) Tj = 125 ° C
120
100
80 (Typical values)T j = 125 °C
60
40 (Maximum values)T j = 25 °C
20
V F (V)
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
**----- End of picture text -----**
**DS6493** - **Rev 4**
**page 5/14**
**STPS30L120C Package information**
**2 Package information**
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.
## **2.1 TO-220AB package information**
- Epoxy meets UL 94,V0
- Cooling method: by conduction (C)
- Recommended torque value: 0.55 N·m
- Maximum torque value: 0.70 N·m
## **Figure 9. TO-220AB package outline**
**==> picture [309 x 368] intentionally omitted <==**
**DS6493** - **Rev 4**
**page 6/14**
**STPS30L120C TO-220AB package information**
## **Table 4. TO-220AB package mechanical data**
||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
|**Ref.**|**Millimeters**||**Inches (for reference only)**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.40|4.60|0.173|0.181|
|b|0.61|0.88|0.240|0.035|
|b1|1.14|1.55|0.045|0.061|
|c|0.48|0.70|0.019|0.028|
|D|15.25|15.75|0.600|0.620|
|D1|1.27 typ.||0.050 typ.||
|E|10.00|10.40|0.394|0.409|
|e|2.40|2.70|0.094|0.106|
|e1|4.95|5.15|0.195|0.203|
|F|1.23|1.32|0.048|0.052|
|H1|6.20|6.60|0.244|0.260|
|J1|2.40|2.72|0.094|0.107|
|L|13.00|14.00|0.512|0.551|
|L1|3.50|3.93|0.138|0.155|
|L20|16.40 typ.||0.646 typ.||
|L30|28.90 typ.||1.138 typ.||
|θP|3.75|3.85|0.148|0.152|
|Q|2.65|2.95|0.104|0.116|
**DS6493** - **Rev 4**
**page 7/14**
**STPS30L120C TO-220FPAB package information**
## **2.2 TO-220FPAB package information**
- Epoxy meets UL 94,V0
- Cooling method: by conduction (C)
- Recommended torque value: 0.55 N·m
- Maximum torque value: 0.70 N·m
**Figure 10. TO-220FPAB package outline**
**DS6493** - **Rev 4**
**page 8/14**
**STPS30L120C TO-220FPAB package information**
## **Table 5. TO-220FPAB package mechanical data**
||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
|**Ref.**|**Millimeters**||**Inches (for reference only)**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.40|4.60|0.1739|0.1818|
|B|2.50|2.70|0.0988|0.1067|
|D|2.50|2.75|0.0988|0.1087|
|E|0.45|0.70|0.0178|0.0277|
|F|0.75|1.00|0.0296|0.0395|
|F1|1.15|1.70|0.0455|0.0672|
|F2|1.15|1.70|0.0455|0.0672|
|G|4.95|5.20|0.1957|0.2055|
|G1|2.40|2.70|0.0949|0.1067|
|H|10.00|10.40|0.3953|0.4111|
|L2|16.00 typ.||0.6324 typ.||
|L3|28.60|30.60|1.1304|1.2095|
|L4|9.80|10.60|0.3874|0.4190|
|L5|2.90|3.60|0.1146|0.1423|
|L6|15.90|16.40|0.6285|0.6482|
|L7|9.00|9.30|0.3557|0.3676|
|Dia|3.00|3.20|0.1186|0.1265|
**DS6493** - **Rev 4**
**page 9/14**
**STPS30L120C I²PAK package information**
## **2.3 I²PAK package information**
- Epoxy meets UL 94,V0
- Cooling method: by conduction (C)
## **Figure 11. I²PAK package outline**
**==> picture [60 x 47] intentionally omitted <==**
**DS6493** - **Rev 4**
**page 10/14**
**STPS30L120C I²PAK package information**
## **Table 6. I²PAK package mechanical data**
||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
|**Ref.**|**Millimeters**||**Inches (for reference only)**||
||**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|10.00|10.40|0.394|0.409|
|L|13.00|14.00|0.512|0.551|
|L1|3.50|3.93|0.138|0.155|
|L2|1.27|1.40|0.050|0.055|
**DS6493** - **Rev 4**
**page 11/14**
**STPS30L120C Ordering Information**
## **3 Ordering Information**
## **Table 7. Ordering information**
|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS30L120CT|STPS30L120CT|TO-220AB|1.95 g|50|Tube|
|STPS30L120CFP|STPS30L120CFP|TO-220FPAB|1.90 g|50||
|STPS30L120CR|STPS30L120CR|I²PAK|1.50 g|50||
**DS6493** - **Rev 4**
**page 12/14**
**STPS30L120C**
## **Revision history**
**Table 8. Document revision history**
|**Date**|**Version**|**Changes**|
|---|---|---|
|28-Sep-2009|1|First issue.|
|17-Feb-2010|2|Updated Table 2. Added Figure 1 and Figure 13.|
|26-May-2011|3|Added I2PAK package.|
|03-Jul-2018|4|Removed figure 5, figure 6, figure 7, figure 13.
UpdatedFigure 3. Normalized avalanche power derating versus pulse
duration (Tj= 125 °C)andTable 1. Absolute ratings (limiting values at 25 °C,
unless otherwise specified, per diode).
Minor text changes to improve readability.|
**DS6493** - **Rev 4**
**page 13/14**
**STPS30L120C**
## **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.
© 2018 STMicroelectronics – All rights reserved
**DS6493** - **Rev 4**
**page 14/14**
## Links
- [View this product on Novapart](https://novapart.co/products/STPS30L120CT/schottky-rectifier-120-v-30-a-dual-common-cathode)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stps30l120ct/schottky-rectifier-120v-30a-to/dp/4860886)
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