# Schottky Rectifier, 45 V, 30 A, Dual Common Cathode, TO-220AB, 3 Pins, 570 mV
**URL**: https://novapart.co/products/STPS3045CT/schottky-rectifier-45-v-30-a-dual-common-cathode
**SKU**: STPS3045CT
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.4210
**Stock**: 10+
**Lead Time**: 120 days (indicative)
## Description
Repetitive Reverse Voltage Vrrm Max:45V; Forward Current If(AV):15A; Diode Configuration:Dual Common Cathode; Diode Case Style:TO-220AB; No. of Pins:3Pins; Forward Voltage VF Max:570mV; Forwa
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | TO-220AB |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 570mV |
| Forward Surge Current | 220A |
| Average Forward Current | 30A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 45V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:9803505/)
## **STPS3045C**
## Power Schottky rectifier
Datasheet - production data
**==> picture [412 x 209] intentionally omitted <==**
**----- Start of picture text -----**
A1
K
A2 Description
K oe Dual center tap Schottky rectifier suited for switch
mode power supply and high frequency DC to
DC converters. Packaged either in TO-220AB,
TO-247, or D²PAK, this device is especially
a A1 [K][A2] @ K [A2]
A1 intended for use in low voltage, high frequency
TO-220AB TO-247 inverters, free wheeling and polarity protection
K applications.
K
Table 1: Device summary
A2 Symbol Value
A2
A1 A1 IF(AV) 2 x 15 A
D²PAK
VRRM 45 V
VF (typ.) 0.5 V
175 °C ( up to 200 °C in forward mode for
Tj (max.)
—_ = D²PAK)
**----- End of picture text -----**
## **Features**
- Very small conduction losses
- Negligible switching losses
- Extremely fast switching
- Avalanche rated
- ECOPACK[®] 2 compliant component for D²PAK on demand
August 2016
DocID3510 Rev 9
1/13
This is information on a product in full production.
_www.st.com_
**Characteristics**
**STPS3045C**
## **1 Characteristics**
**Table 2: Absolute ratings (limiting values, per diode, at 25 °C, unless otherwise specified)**
|**Symbol**|**Parameter**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|---|
|VRRM|Repetitivepeak reverse voltage|||45|V|
|IF(RMS)|Forward rms current|||30|A|
|IF(AV)|Average forward current
δ = 0.5, square wave|TC= 155 °C|Per diode|15|A|
||||Per device|30||
|IFSM|Surge non repetitive forward current||tp= 10 ms
sinusoidal|220|A|
|PARM_(1)_|Repetitive peak avalanche power||tp= 10 µs,
Tj= 125 °C|430|W|
|Tstg|Storage temperature range|||-65 to +175|°C|
|Tj|Maximum operating junction temperature_(2)_|||175||
||Maximum operating junction temperature (DC forward current
without reverse bias, t = 1 hour for D²PAK|||200||
## **Notes:**
(1)For pulse time duration deratings, please refer to Figure 3. 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)(dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink.
**Table 3: Thermal parameters**
|**Symbol**||**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|---|
|Rth(j-c)|Junction to case|TO-220AB / D²PAK|Per diode|1.60|°C/W|
||||Total|0.95||
|||TO-247|Per diode|1.5||
||||Total|0.9||
|Rth(c)|Coupling|TO-220AB / D²PAK/ TO-247||0.3||
When the diodes 1 and 2 are used simultaneously:
ΔTj (diode1) = P(diode1) x Rth(j-c) (per diode) + P(diode2) x Rth(c)
2/13
DocID3510 Rev 9
**STPS3045C**
**Characteristics**
||**Table 4: Static electrical characteristics(per diode)**|**Table 4: Static electrical characteristics(per diode)**|**Table 4: Static electrical characteristics(per diode)**|**Table 4: Static electrical characteristics(per diode)**|**Table 4: Static electrical characteristics(per diode)**|||
|---|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**|**Test conditions**||**Min.**|**Typ.**|**Max.**|**Unit**|
|IR_(1)_|Reverse leakage current|Tj= 25 °C|VR= VRRM|-||200|µA|
|||Tj= 125 °C||-|11|40|mA|
|VF_(1)_|Forward voltage drop|Tj= 125 °C|IF= 15 A|-|0.5|0.57|V|
|||Tj= 25 °C|IF= 30 A|-||0.84||
|||Tj= 125 °C||-|0.65|0.72||
## **Notes:**
(1)Pulse test: tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation:
P = 0.42 x IF(AV) + 0.01 x IF[2] (RMS)
DocID3510 Rev 9
3/13
**Characteristics**
**STPS3045C**
## **1.2 Characteristics (curves)**
**==> picture [220 x 169] intentionally omitted <==**
**----- Start of picture text -----**
Figure 1: Average forward power dissipation
versus average forward current (per diode)
PF(AV) (W)
12
δ = 0.1 δ = 0.2 δ = 0.5
11 δ = 0.05
10
9 δ = 1
8
7
6
5
4
3 T
2
1 δ = tp/T tp
0
0 2 4 6 8 10 12 14 16 18 20
IF(AV)(A)
**----- End of picture text -----**
**==> picture [220 x 168] intentionally omitted <==**
**----- Start of picture text -----**
Figure 2: Average forward current versus ambient
temperature (δ = 0.5, per diode)
IF(AV)(A)
18
R th(j-a)= R th(j-c)
16
14
12
10
8 R th(j-a)= 15°C/W
6
T
4
2 δ [=tp/T] tp
0
0 2 5 50 75 100 125 150 175
Tamb(°C)
**----- End of picture text -----**
**==> picture [437 x 178] intentionally omitted <==**
**----- Start of picture text -----**
Figure 3: Normalized avalanche power derating Figure 4: Relative variation of thermal impedance
versus pulse duration (Tj = 125 °C) junction to case versus pulse duration
PARM(tp) Zth(j-c) /Rth(j-c)
1 PARM(10 µs) 1.0
0.9
0.8
0.7
0.1 0.6 δ = 0.5
0.5
0.4 δ = 0.2
0.01 0.3 δ = 0.1
T
0.2
Single pulse
0.1
δ [=] [tp/T] tp
0.001 0.0
1 10 100 1000 1.E-03 1.E-02 1.E-01 1.E+00
t p(µs) tp(s)
**----- End of picture text -----**
**Figure 3: Normalized avalanche power derating versus pulse duration (Tj = 125 °C)**
**==> picture [456 x 177] intentionally omitted <==**
**----- Start of picture text -----**
Figure 5: Junction capacitance versus reverse Figure 6: Reverse leakage current versus reverse
voltage applied (typical values, per diode) voltage applied (typical values, per diode)
C (nF) IR(µA)
1.E +05
10000
VOSCF = 1T =j = 2530M HzmV°CRMS 1.E +04 TTjj= 125°C= 150°C
1.E +03 Tj = 100°C
Tj = 75°C
1000 1.E +02 Tj = 50°C
1.E +01 Tj = 25°C
1.E +00
100 1.E -01
1 10 100 0 5 10 15 20 25 30 35 40 45
VR(V) VR( V)
**----- End of picture text -----**
4/13
DocID3510 Rev 9
**STPS3045C**
**Characteristics**
**==> picture [436 x 168] intentionally omitted <==**
**----- Start of picture text -----**
Figure 7: Forward voltage drop versus forward Figure 8: Thermal resistance junction to ambient
current (maximum values, per diode) versus copper surface under tab
lem)FM Rth(j-a) (°C/W)
80
_—————=———— PJ | tT tT ty yy ft ey te D²PAK
Seer——nnn En UTIL nC AUEECACE EEE UE UEC EE 70 | | | Epoxy printed board FR4, copper thickness = 35 µm
maxim wales 60
BRR eee EEE | EE =
__EESS 50 l
oles|es | be ; . amea eS <4 | 40 jp [|] IN “Sr
{| | [ | he Las ff ft Pf Pt 30 a ee
wi] | a vet | TT | i
SS——— SS AS AS | A TS A A SS A A SS A SO 20 Be
EePP Pee TySE I Ee 10 roefFtfFttFPOUUUUUOrtfOd
0
ETT EEE eT eet TT Po
oo 02 O04 06 08 1.0 12 14 16 18 0 5 10 15 20 25 30 35 40
VemfA) SCu(cm²)
**----- End of picture text -----**
DocID3510 Rev 9
5/13
**STPS3045C**
**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.
- Cooling method: by conduction (C)
- Epoxy meets UL 94,V0
- Recommended torque value: 0.55 N·m (for TO-220AB and TO-247)
- Maximum torque value: 0.7 N·m (for TO-220AB)
- Maximum torque value: 1.0 N·m (for TO-247)
## **2.1 TO-220AB package information**
**Figure 9: TO-220AB package outline**
**==> picture [322 x 431] intentionally omitted <==**
6/13
DocID3510 Rev 9
**STPS3045C Package** information
**Table 5: TO-220AB package mechanical data**
|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
||**Millimeters**||**Inches**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.40|4.60|0.173|0.181|
|b|0.61|0.88|0.024|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.||
|ØP|3.75|3.85|0.148|0.152|
|Q|2.65|2.95|0.104|0.116|
DocID3510 Rev 9
7/13
**STPS3045C**
**Package** information
## **2.2 TO-247 package information**
**Figure 10: TO-247 package outline**
~~©~~ 8/13 DocID3510 Rev 9
**STPS3045C Package** information
|**C**||**Packag**|**Packag**|**Packag**|**Packag**|**e**information|
|---|---|---|---|---|---|---|
|||**Table 6: TO-247package mechanical data**|||||
|**Ref.**|||**Dimensions**||||
|||**Millimeters**|||**Inches**||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|4.85||5.15|0.191||0.203|
|A1|2.20||2.60|0.086||0.102|
|b|1.00||1.40|0.039||0.055|
|b1|2.00||2.40|0.078||0.094|
|b2|3.00||3.40|0.118||0.133|
|c|0.40||0.80|0.015||0.031|
|D_(1)_|19.85||20.15|0.781||0.793|
|E|15.45||15.75|0.608||0.620|
|e|5.30|5.45|5.60|0.209|0.215|0.220|
|L|14.20||14.80|0.559||0.582|
|L1|3.70||4.30|0.145||0.169|
|L2||18.50|||0.728||
|ØP_(2)_|3.55||3.65|0.139||0.143|
|ØR|4.50||5.50|0.177||0.217|
|S|5.30|5.50|5.70|0.209|0.216|0.224|
## **Notes:**
(1)Dimension D plus gate protusion does not exceed 20.5 mm
(2)Resin thickness around the mounting hole is not less than 0.9 mm.
DocID3510 Rev 9
9/13
**STPS3045C**
**Package** information
## **2.3 D²PAK package information**
**Figure 11: D²PAK package outline**
This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed.
~~ee~~ 10/13 DocID3510 Rev 9 ~~<2~~
**STPS3045C**
**Package** information
**Table 7: D²PAK package mechanical data**
|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
||**Millimeters**
~~es~~
~~ee~~||**Inches**
~~es~~||
||**Min.**
~~es~~
~~ee~~|**Max.**
~~es~~|**Min.**
~~es~~|**Max.**
~~es~~|
|A
~~a~~|4.36
~~ee~~
~~a~~|4.60
~~a~~|0.172
~~a~~|0.181
~~a~~|
|A1
~~i~~|0.00
~~i~~|0.25
~~i~~|0.000
~~i~~|0.010
~~i~~|
|b
~~i~~
~~a~~|0.70
~~i~~
~~a~~|0.93
~~i~~
~~a~~|0.028
~~i~~
~~a~~|0.037
~~i~~
~~a~~|
|b2
~~a~~|1.14
~~a~~
~~a~~|1.70
~~a~~|0.045
~~a~~|0.067
~~a~~|
|c
~~eG~~|0.38
~~eG~~|0.69
~~eG~~|0.015
~~eG~~|0.027
~~eG~~|
|c2
~~eG~~
~~i~~
~~ee~~|1.19
~~eG~~|1.36
~~eG~~|0.047
~~eG~~|0.053
~~eG~~|
|D
~~ee~~|8.60|9.35|0.339|0.368|
|D1
~~ee~~
~~a~~|6.90|8.00|0.272|0.311|
|D2
~~i~~|1.10|1.50|0.043|0.060|
|E
~~ee~~|10.00
~~ee~~|10.55
~~ee~~|0.394
~~ee~~|0.415
~~ee~~|
|E1
~~ee~~
~~i~~
~~Re~~|8.10
~~ee~~|8.90
~~ee~~|0.319
~~ee~~|0.346
~~ee~~|
|E2
~~Re~~|6.85|7.25|0.266|0.282|
|e
~~Re~~
~~a~~|2.54 typ.||0.100||
|e1
~~a~~|4.88|5.28|0.190|0.205|
|H
~~a~~|15.00|15.85|0.591|0.624|
|J1
~~a ~~|2.49
~~a~~|2.90|0.097|0.112|
|L
~~eG~~|1.90
~~eG~~|2.79
~~eG~~|0.075
~~eG~~|0.110
~~eG~~|
|L1
~~eG~~
~~i~~|1.27
~~eG~~|1.65
~~eG~~|0.049
~~eG~~|0.065
~~eG~~|
|L2
~~ee~~|1.30
~~ee~~|1.78
~~ee~~|0.050
~~ee~~|0.070
~~ee~~|
|R
~~ee~~
~~Re a~~|0.4 typ.
~~ee~~
~~a~~||0.015
~~ee~~||
|V2
~~ee~~
~~Re a~~|0°
~~ee~~
~~a~~|8°
~~ee~~|0°
~~ee~~|8°
~~ee~~|
**Figure 12: D²PAK recommended footprint (dimensions in mm)**
DocID3510 Rev 9
11/13
**Ordering** information
**STPS3045C**
## **3 Ordering information**
**Table 8: Ordering information**
|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS3045CT|STPS3045CT|TO-220AB|1.9g|50|Tube|
|STPS3045CG|STPS3045CG|D²PAK|1.38 g|50|Tube|
|STPS3045CG-TR|STPS3045CG|||1000|Tape and reel|
|STPS3045CW|STPS3045CW|TO-247|4.46 g|30|Tube|
## **4 Revision history**
**Table 9: Document revision history**
|**Date**|**Revision**|**Changes**|
|---|---|---|
|Jul-2003|6E|Last update.|
|06-Nov-2012|7|Removed SOT-93 and TOP-3I packages. Table 2: Operating range (Tj)
extension from -40 to +175° C, IF(AV)per diode updated to 15 A.
Updated “Total” values in Table 3. Updated tables in Section 2:
Package information.|
|04-Apr-2013|8|Added value for maximum Tjin forward mode. Updated Table 9.|
|02-Aug-2016|9|Updated D²PAK package information. Removed I²PAK and
TO-220FPAB package information.|
12/13
DocID3510 Rev 9
**STPS3045C**
## **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.
© 2016 STMicroelectronics – All rights reserved
DocID3510 Rev 9
13/13
## Links
- [View this product on Novapart](https://novapart.co/products/STPS3045CT/schottky-rectifier-45-v-30-a-dual-common-cathode)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stps3045ct/diode-schottky-2x15a-45v/dp/9803505)
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