# Standard Recovery Diode, 45 V, 30 A, Dual Common Cathode, 470 mV, 250 A

![Product image](https://novapart.co/image/farnell:2778118/)

**URL**: https://novapart.co/products/FERD30M45CT/standard-recovery-diode-45-v-30-a-dual-common
**SKU**: FERD30M45CT
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Standard Recovery Rectifier Diodes
**Price**: €0.6710
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| No. Of Pins | 3Pins |
| Diode Case Style | TO-220AB |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 470mV |
| Forward Surge Current | 250A |
| Average Forward Current | 30A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 45V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2778118/)

## **FERD30M45C** 

## Field effect rectifier 

**Datasheet** - **production data** 

## **Description** 

**==> picture [145 x 238] intentionally omitted <==**

**----- Start of picture text -----**<br>
A1<br>K<br>A2<br>K<br>A2<br>A1<br>A1 [KA2]<br>TO-220AB D [2] PAK<br>K<br>A2<br>I [2] PAK A1<br>**----- End of picture text -----**<br>


This dual center tap field effect rectifier provides stable leakage current over the full range of reverse voltage and low forward voltage drop. 

Packaged in TO-220AB, I²PAK or D[2] PAK, this device is intended to be used in solar bypass junction boxes and in switch mode power supplies. 

**Table 1. Device summary** 

|**Table 1. Device summary**|**Table 1. Device summaryy**|
|---|---|
|**Symbol**|**Value**|
|IF(AV)|2 x 15 A|
|VRRM|45 V|
|Tj (max)|+175 °C (up to 200 °C forward<br>mode only on D²PAK)|
|VF(typ)|0.35 V|



## **Features** 

- Advanced rectifier proprietary process 

- Stable leakage current over reverse voltage 

- Reduce leakage current 

- Low forward voltage drop 

- High frequency operation 

July 2014 

DocID023771 Rev 3 

1/10 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**FERD30M45C** 

## **1 Characteristics** 

**Table 2. Absolute ratings (limiting values, per diode, at 25 °C, unless otherwise specified)** 

|**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,δ= 0.5|Tc= 155 °C|Per diode<br>Per device|15<br>30|A|
|||Tc= 155 °C||||
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal||250|A|
|Tstg|Storage temperature range|||-65 to + 175|°C|
|Tj|Maximum operating junction temperature|||175|°C|
|Tj|Maximum operating temperature on D²PAK<br>(DC forward current without reverse bias, t = 1|hour)(1)||200|°C|



1. dPtot---------------dTj < Rth-----------------------( 1j – a **-** ) condition to avoid thermal runaway for a diode on its own heatsink. 

**Table 3. Thermal resistance** 

||**Table 3. Thermal resistance**||||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value (max)**|**Unit**|
|Rth(j-c)|Junction to case|Per diode|1.6|°C/W|
|||Total|1.05||
|Rth(c)|Coupling||0.5||



When diodes 1 and 2 are used simultaneously: 

Tj(diode 1) = P(diode1) x Rth(j-c)(per diode) + P(diode2) x Rth(c) 

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**Characteristics** 

**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|||600|µA|
|||Tj= 125 °C|||25|50|mA|
|VF<br>(2)|Forward voltage drop|Tj= 125 °C|IF= 7.5 A||0.305|0.350<br>0.395<br>0.470<br>0.450|V|
|||Tj= 125 °C|IF= 10 A||0.350|||
|||Tj= 25 °C|IF= 15 A||0.420|||
|||Tj= 125 °C|||0.420|||



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 = 0.27 x IF(AV) + 0.012 IF[2] (RMS)) 

**Figure 1. Average forward power dissipation versus average forward current (per diode)** 

**Figure 2. Average forward current versus ambient temperature (** δ **= 0.5, per diode)** 

**==> picture [463 x 328] intentionally omitted <==**

**----- Start of picture text -----**<br>
PF(AV)(W) IF(AV)(A)<br>12 18<br>16 Rth(j-a) = Rth(j-c)<br>10 δ = 0.05 δ = 0.1 δ = 0.2 δ = 0.5 δ = 1.0<br>14<br>8 12<br>10<br>6<br>8<br>4 T 6 T<br>4<br>2<br>I F(AV) (A) δ [=tp/T] tp 2 δ [=tp/T] tp T amb (°C)<br>0 0<br>0 2 4 6 8 10 12 14 16 18 20 0 25 50 75 100 125 150 175<br>Figure 3. Junction capacitance versus reverse  Figure 4. Forward voltage drop versus forward<br>voltage applied (typical values, per diode) current (per diode)<br>C(pF) IFM(A)<br>10000 100.0<br>VOSC F=1 MHz T=j=25 °C30 mVRMS (Maximum values) Tj=125 ° C (Typical values) T j =125°C<br>10.0<br>1000<br>(Maximum values) Tj=25°C<br>1.0<br>VR(V)<br>VFM(V)<br>100<br>0.1<br>1 10 100<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4<br>**----- End of picture text -----**<br>


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**Characteristics** 

**FERD30M45C** 

**Figure 5. Relative variation of thermal impedance junction to case versus pulse duration** 

**Figure 6. Reverse leakage current versus reverse voltage applied (typical values, per diode)** 

**==> picture [463 x 146] intentionally omitted <==**

**----- Start of picture text -----**<br>
Zth(j-c)/Rth(j-c) IR(mA)<br>1.0 1.E+02 Tj=150  ° C<br>0.9 Tj=125 °C<br>0.8<br>1.E+01<br>0.7 T j =85°C<br>0.6<br>0.5 1.E+00<br>0.4<br>0.3 T j =25°C<br>Single pulse 1.E-01<br>0.2<br>0.1 tp(s) V R (V)<br>0.0 1.E-02<br>1.E-04 1.E-03 1.E-02 1.E-01 0 5 10 15 20 25 30 35 40 45<br>**----- End of picture text -----**<br>


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**Package information** 

## **2 Package information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.8 to 1.0 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 7. D[2] PAK dimension definitions** 

**==> picture [276 x 342] intentionally omitted <==**

**----- Start of picture text -----**<br>
A<br>E<br>C2<br>L2<br>D<br>L<br>L3<br>A1<br>B2<br>C R<br>B<br>G<br>A2<br>M *<br>V2<br>* FLAT ZONE NO LESS THAN 2mm<br>**----- End of picture text -----**<br>


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**Package information** 

**Table 5. D[2] PAK dimension values** 

||**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. D2PAK dimension values**|**Table 5. 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||1.40|||1.75|0.055|||0.069|
|M||2.40|||3.20|0.094|||0.126|
|R|||0.40 typ.|||0.016 typ.||||
|V2||0|°||8°|0°|||8°|
||||**Figure 8. Footprint(dimensions in mm)**|||||||
||**10.30**|||||||**5.08**<br>**1.30**||
|||||**16.90**||||||
|||||||||||
|||||||||||
|||||||||||
|||||||||||
|||||||||||
|||||||||||
|||||**8.90**||||||
|||||||||||
|||||||||||
|||||||||||
|||||||**3.70**||||
|||||||||||



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**Package information** 

## **Figure 9. TO-220AB dimension definitions** 

**==> picture [174 x 177] intentionally omitted <==**

**----- Start of picture text -----**<br>
H2 A<br>Dia C<br>L5<br>L7<br>L6<br>L2<br>F2<br>F1 L9 D<br>L4<br>F<br>M<br>G1 E<br>G<br>**----- End of picture text -----**<br>


D 

**Table 6. TO-220AB dimension values** 

|D|**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|0.173|0.181|
|C|1.23|1.32|0.048|0.051|
|D|2.40|2.72|0.094|0.107|
|E|0.49|0.70|0.019|0.027|
|F|0.61|0.88|0.024|0.034|
|F1|1.14|1.70|0.044|0.066|
|F2|1.14|1.70|0.044|0.066|
|G|4.95|5.15|0.194|0.202|
|G1|2.40|2.70|0.094|0.106|
|H2|10|10.40|0.393|0.409|
|L2|16.4 typ.||0.645 typ.||
|L4|13|14|0.511|0.551|
|L5|2.65|2.95|0.104|0.116|
|L6|15.25|15.75|0.600|0.620|
|L7|6.20|6.60|0.244|0.259|
|L9|3.50|3.93|0.137|0.154|
|M|2.6 typ.||0.102 typ.||
|Diam.|3.75|3.85|0.147|0.151|



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**Package information** 

**==> picture [404 x 324] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 10. I [2] PAK dimension definitions<br>A<br>E c2<br>L2<br>D<br>L1 A1<br>b1<br>L<br>b c<br>e<br>e1<br>**----- End of picture text -----**<br>


> D **Table 7. I[2] PAK dimension values** 

|D|**Table 7. I2PAK dimension values**|**Table 7. I2PAK dimension values**|**Table 7. I2PAK dimension values**|**Table 7. 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|



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**Ordering information** 

## **3 Ordering information** 

**Table 8. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|FERD30M45CT|FERD30M45CT|TO-220AB|2.2 g|50|Tube|
|FERD30M45CG-TR|FERD30M45CG|D2PAK|1.5 g|1000|Tape and reel|
|FERD30M45CR|FERD30M45CR|I2PAK|1.4 g|50|Tube|



## **4 Revision history** 

**Table 9. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|12-Nov-2012|1|Initial release.|
|12-Nov-2013|2|Updated title.|
|11-Jul-2014|3|Added I²PAK package.|



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10/10 

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