# Schottky Rectifier, 45 V, 40 A, Dual Common Cathode, TO-263 (D2PAK), 3 Pins, 690 V ![Product image](https://novapart.co/image/farnell:2806767RL/) **URL**: https://novapart.co/products/STPS40L45CG-TR/schottky-rectifier-45-v-40-a-dual-common-cathode **SKU**: STPS40L45CG-TR **Manufacturer**: STMICROELECTRONICS **Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes **Price**: €0.8290 **Stock**: 10+ ## Specifications | Parameter | Value | |---|---| | Diode Mounting | Surface Mount | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:2806767RL/) ## **STPS40L45C** ## Low drop power Schottky rectifier **Datasheet** - **production data** ## **Description** **==> picture [435 x 270] intentionally omitted <==** **----- Start of picture text -----**
A1
K Dual center tap Schottky barrier rectifier designed
A2 for high frequency switched mode power supplies
and DC to DC converters.
K Packaged in TO-220AB, TO-247 and D [[2]] PAK
these devices are intended for use in low voltage,
high frequency inverters, free-wheeling and
polarity protection applications.
A2
A1
Table 1. Device summary
D [2] PAK
STPS40L45CG IF(AV) 2 x 20 A
VRRM 45 V
Tj (max) 150° C
VF(max) 0.49 V
eo ——
A2
A2
K
A1 [K] A1
TO-220AB TO-247
STPS40L45CT STPS40L45CW
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Dual center tap Schottky barrier rectifier designed for high frequency switched mode power supplies and DC to DC converters. Packaged in TO-220AB, TO-247 and D[[2]] PAK these devices are intended for use in low voltage, ## **Features** - Low forward voltage drop meaning very small conduction losses - Low switching losses allowing high frequency operation - Avalanche capability specified October 2013 DocID6857 Rev 5 1/11 This is information on a product in full production. _www.st.com_ **Characteristics** **STPS40L45C** ## **1 Characteristics** **Table 2. Absolute Ratings (limiting values, per diode)** |**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**| |---|---|---|---|---|---| |VRRM|Repetitive peak reverse voltage|||45|V| |IF(RMS)|Forward rms current|||30|A| |IF(AV)|Average forward current|Tc=130° C
= 0.5|Per diode
Per device|20
40|A| |IFSM|Surge non repetitive forward current|tp= 10 ms Sinusoidal||220|A| |IRRM|Repetitive peak reverse current|tp= 2 µs square F = 1 kHz||2|A| |IRSM|Non repetitive peak reverse current|tp= 100 µs square||3|A| |PARM|Repetitive peak avalanche power|tp= 1 µs Tj= 25° C||8100|W| |Tstg|Storage temperature range|||-65 to + 150|°C| |Tj|Maximum operating junction temperature(1)|||150|°C| |dV/dt|Critical rate of rise of reverse voltage|||10000|V/µs| 1. dPtot---------------dTj  ------------------------Rth1j – a **-**  condition to avoid thermal runaway for a diode on its own heatsink **Table 3. Thermal resistances** ||**Table 3. Thermal resistances**|**Table 3. Thermal resistances**||| |---|---|---|---|---| |**Symbol**|**Parameter**||**Value**|**Unit**| |Rth (j-c)|Junction to case|Per diode
Total|1.5
0.8|°C/W| |Rth(c)|Coupling||0.1|°C/W| When the diodes 1 and 2 are used simultaneously: Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode2) x Rth(c). **Table 4. 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|||0.6|mA| |||Tj= 125° C|||140|280|mA| |VF
(_1._)|Forward voltage drop|Tj= 25° C|IF= 20 A|||0.53|V| |||Tj= 125° C|IF= 20 A||0.42|0.49|| |||Tj= 25° C|IF= 40 A|||0.69|| |||Tj= 125° C|IF= 40 A||0.6|0.7|| 1. Pulse test: tp = 380 µs,  < 2% To evaluate the conduction losses use the following equation: P = 0.28 x IF(AV) + 0.0105 IF2(RMS) 2/11 DocID6857 Rev 5 **STPS40L45C** **Characteristics** **Figure 1. Average forward power dissipation versus average forward current (per diode)** **Figure 2. Average forward current versus ambient temperature (**  **= 0.5, per diode)** **==> picture [462 x 328] intentionally omitted <==** **----- Start of picture text -----**
PF(av)(W) IF(av)(A)
16 22
δ = 0.1 δ = 0.2 δ = 0.5 20
14
δ = 0.05 18 Rth(j-a)=Rth(j-c)
12 16
10 14
δ = 1 12
8
10 Rth(j-a)=15 ° C/W
6 8
4 T 6 T
4
2
IF(av) (A) δ [=tp/T] tp 2 δ [=tp/T] tp Tamb(°C)
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24 0 25 50 75 100 125 150
Figure 3. Normalized avalanche power derating Figure 4. Normalized avalanche power derating
versus pulse duration versus junction temperature
PARM(tp) PARM(Tj)
PARM(1 µs) PARM(25 °C)
1 1.2
1
0.1 0.8
0.6
0.01 0.4
0.2
0.001 t p (µs) 0 T ( j °C)
0.01 0.1 1 10 100 1000 25 50 75 100 125 150
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**Figure 5. Non repetitive surge peak forward current versus overload duration (maximum values, per diode)** **Figure 6. Relative variation of thermal impedance junction to case versus pulse duration** **==> picture [462 x 146] intentionally omitted <==** **----- Start of picture text -----**
IM(A) Zth(j-c)/Rth(j-c)
250 1.0
225
200 0.8
175
150 0.6 δ = 0.5
Tc=25°C
125
100 0.4 δ = 0.2
75 Tc=75°C δ = 0.1 T
50 IM 0.2
25 δ =0.5 t t(s) Tc=125°C 0.0 Single pulse tp(s) δ [=tp/T] tp
0
1E-3 1E-2 1E-1 1E+0 1E-4 1E-3 1E-2 1E-1 1E+0
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DocID6857 Rev 5 3/11 **Characteristics** **STPS40L45C** **Figure 7. Reverse leakage current versus reverse voltage applied (typical values, per diode)** **Figure 8. Junction capacitance versus reverse voltage applied (typical values, per diode)** **==> picture [462 x 149] intentionally omitted <==** **----- Start of picture text -----**
C(nF)
IR(mA)
10.0
1E+3 F=1MHz
Tj=150 ° C Tj=25 ° C
1E+2
1E+1 Tj=125°C 1.0
Tj=75°C
1E+0
1E-1 Tj=25 ° C VR(V)
0.1
VR(V) 1 10 100
1E-2
0 5 10 15 20 25 30 35 40 45
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**Figure 9. Forward voltage drop versus forward current (maximum values, per diode)** **Figure 10. Thermal resistance junction to ambient versus copper surface under tab** **==> picture [462 x 147] intentionally omitted <==** **----- Start of picture text -----**
IFM(A) Rth(j-a) (°C/W)
1000 80
70 Epoxy printed circuit board FR4,
copper thickness: 35 µm
60
10 0 Typical valuesTj=150°C 50
40
Tj=125°C 30
10
Tj=75°C 20
Tj=25°C 10 S(Cu) (cm²)
VFM(V)
1 0
0 5 10 15 20 25 30 35 40
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
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4/11 DocID6857 Rev 5 **STPS40L45C** **Package Information** ## **2 Package Information** - Epoxy meets UL94,V0 - Cooling method: by conduction (C) - Recommended torque value: 0.4 to 0.6 N·m (TO-220AB) - Recommended torque value: 0.55, 1.0 N·m maximum (TO-247) 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 11. TO-220AB dimension definitions** **==> picture [195 x 208] intentionally omitted <==** **----- Start of picture text -----**
E A
Resin gate ∅ P F
0.5 mm max.
protrusion [(1)] Q
H1
D D1
L20 L30
b1 L1 J1
L
b
e Resin gate c
0.5 mm max.
protrusion [(1)]
e1
(1) Resin gate position accepted in each of the two
position shown as well as the symmetrical opposites
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DocID6857 Rev 5 5/11 **STPS40L45C** **Package Information** **Table 5. TO-220AB dimension values** ||**Table 5. TO-220AB dimension values**|**Table 5. TO-220AB dimension values**|**Table 5. TO-220AB dimension values**|**Table 5. TO-220AB dimension values**| |---|---|---|---|---| |**Ref.**|**Dimensions**|||| ||**Millimeters**||**Inches**|| ||**Min.**|**Max.**|**Min.**|**Max.**| |A|4.40|4.60|0.17|0.18| |b|0.61|0.88|0.024|0.035| |b1|1.14|1.70|0.045|0.067| |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| 6/11 DocID6857 Rev 5 **STPS40L45C** **Package Information** ## **Figure 12. D[2] PAK dimension definitions** **==> picture [184 x 227] intentionally omitted <==** **----- Start of picture text -----**
A
E
C2
L2
D
L
L3
A1
B2
C R
B
G
A2
M
*
V2
* FLAT ZONE NO LESS THAN 2mm
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**Table 6. D[2] PAK dimension values** ||**Table 6. D2PAK dimension values**|**Table 6. D2PAK dimension values**|**Table 6. D2PAK dimension values**|**Table 6. D2PAK dimension values**| |---|---|---|---|---| |**Ref.**|**Dimensions**|||| ||**Millimeters**||**Inches**|| ||**Min.**|**Max.**|**Min.**|**Max.**| |A|4.40|4.60|0.173|0.181| |A1|2.49|2.69|0.098|0.106| |A2|0.03|0.23|0.001|0.009| |B|0.70|0.93|0.027|0.037| |B2|1.14|1.70|0.045|0.067| |C|0.45|0.60|0.017|0.024| |C2|1.23|1.36|0.048|0.054| |D|8.95|9.35|0.352|0.368| |E|10.00|10.40|0.393|0.409| |G|4.88|5.28|0.192|0.208| |L|15.00|15.85|0.590|0.624| |L2|1.27|1.40|0.050|0.055| |L3|1.30|1.75|0.051|0.069| |M|2.29|2.79|0.090|0.110| |R|0.40 typ.||0.016 typ.|| |V2|0°|8°|0°|8°| DocID6857 Rev 5 7/11 **STPS40L45C** **Package Information** ## **Figure 13. D[2] PAK footprint (dimensions in mm)** **==> picture [210 x 122] intentionally omitted <==** **----- Start of picture text -----**
16.90
12.2 5.08
2.54
1.60
3.50
9.75
**----- End of picture text -----**
## **Figure 14. TO-247 dimension definitions** **==> picture [247 x 195] intentionally omitted <==** **----- Start of picture text -----**
A Heat-sink plane
E
∅ P
S ∅ R
D
L2
L1
L b1
b2
1 2 3 b c 3 2 1
A1 BACK VIEW
e
**----- End of picture text -----**
8/11 DocID6857 Rev 5 **STPS40L45C** **Package Information** **Table 7. TO-247 dimension values** ||**Table 7. TO-247 dimension values**|**Table 7. TO-247 dimension values**|**Table 7. TO-247 dimension values**|**Table 7. TO-247 dimension values**|**Table 7. TO-247 dimension values**|**Table 7. TO-247 dimension values**| |---|---|---|---|---|---|---| |**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 typ.|||0.728 typ.||| |P(2)|3.55||3.65|0.139||0.143| |R|4.50||5.50|0.177||0.217| |S|5.30|5.50|5.70|0.209|0.216|0.224| 1. Dimension D plus gate protrusion does not exceed 20.5 mm 2. Resin thickness around the mounting hole is not less than 0.9 mm DocID6857 Rev 5 9/11 **Ordering Information** **STPS40L45C** ## **3 Ordering Information** **Table 8. Ordering information** |**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**| |---|---|---|---|---|---| |STPS40L45CG|STPS40L45CG|D2PAK|1.8g|500|Tape and reel| |STPS40L45CT|STPS40L45CT|TO-220AB|2g|50|Tube| |STPS40L45CW|STPS40L45CW|TO-247|4.4g|30|Tube| ## **4 Revision history** **Table 9. Document revision history** |**Date**|**Revision**|**Description of Changes**| |---|---|---| |Jul-2003|4A|Previous version| |30-Oct-2013|5|Updated Package information section| 10/11 DocID6857 Rev 5 **STPS40L45C** ## **Please Read Carefully:** Information in this document is provided solely in connection with ST products. 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