APT30S20BCTG

Fast / Ultrafast Diode, 200 V, 45 A, Dual Common Cathode, 850 mV, 55 ns, 320 A

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: MICROCHIP
Product type: Fast & Ultrafast Recovery Rectifier Diodes
SVHC: No SVHC (04-Feb-2026)
No. of Pins: 3 Pin
Product Range: -
Qualification: -
Diode Case Style: TO-247
Diode Configuration: Dual Common Cathode
Forward Voltage Max: 850mV
Forward Surge Current: 320A
Reverse Recovery Time: 55ns
Average Forward Current: 45A
Operating Temperature Max: 150°C
Repetitive Peak Reverse Voltage: 200V

Delivery and price
Units per pack	25
Price	3.48 €
Current stock	100+
Lead time	30 days

Datasheet

**==> picture [97 x 40] intentionally omitted <==**

**----- Start of picture text -----**<br>
1                     3<br>                 2<br>**----- End of picture text -----**<br>


- **1 - Anode 1** 

- **2 - Common Cathode Back of Case -Cathode** 

- **3 - Anode 2** 

**==> picture [60 x 71] intentionally omitted <==**

**----- Start of picture text -----**<br>
TO-247<br>**----- End of picture text -----**<br>


**==> picture [54 x 68] intentionally omitted <==**

**----- Start of picture text -----**<br>
1<br>2<br>3<br>**----- End of picture text -----**<br>


## **APT30S20BCTG 200V 2x45A** 

Pb Fully compliant with RoHS 2002/95 Directive. 

## **HIGH VOLTAGE SCHOTTKY DIODE** 

- **Parallel Diode** 

   - **-Switchmode Power Supply -Inverters** 

- **Free Wheeling Diode** 

   - **-Motor Controllers** 

   - **-Converters** 

- **Snubber Diode** 

- **Uninterruptible Power Supply (UPS)** 

- **48 Volt Output Rectifiers** 

- **High Speed Rectifiers** 

- **Ultrafast Recovery Times** 

- **Soft Recovery Characteristics** 

- **Popular TO-247 Package** 

- **Low Forward Voltage** 

- **High Blocking Voltage** 

- **Low Leakage Current** 

- **Low Losses** 

- **Low Noise Switching** 

- **Cooler Operation** 

- **Higher Reliability Systems** 

- **Increased System Power Density** 

## **MAXIMUM RATINGS** 

All Ratings Are Per Leg:  TC = 25°C unless otherwise specified. 

**==> picture [504 x 195] intentionally omitted <==**

**----- Start of picture text -----**<br>
Symbol Characteristic / Test Conditions APT30S20BCTG UNIT<br>VR Maximum D.C. Reverse Voltage<br>VRRM Maximum Peak Repetitive Reverse Voltage 200 Volts<br>VRWM Maximum Working Peak Reverse Voltage<br>IF(AV) Maximum Average Forward Current  (TC = 125°C, Duty Cycle = 0.5) 45<br>IF(RMS) RMS Forward Current (Square wave, 50% duty) 121 Amps<br>IFSM Non-Repetitive Forward Surge Current  (TJ = 45°C, 8.3ms) 320<br>TJ,TSTG Operating and StorageTemperature Range -55 to 150<br>°C<br>TL Lead Temperature Case for 10 Sec. 300<br>EVAL Avalanche Energy (2A, 15mH) 30 mJ<br>**----- End of picture text -----**<br>


## **STATIC ELECTRICAL CHARACTERISTICS** 

**==> picture [504 x 138] intentionally omitted <==**

**----- Start of picture text -----**<br>
Symbol MIN TYP MAX UNIT<br>IF = 30A .80 .85<br>VF Forward Voltage IF = 60A .91 Volts<br>IF = 30A, TJ = 125°C .67<br>VR = VR Rated 0.5<br>IRM Maximum Reverse Leakage Current mA<br>VR = VR  Rated, TJ = 125°C 15<br>CT Junction Capacitance,  VR = 200V 150 pF<br>**----- End of picture text -----**<br>


Pb Fully complient with RoHS 2002/95 Directive. 

_**APT Website - http://www.advancedpower.com**_ 

**DYNAMIC CHARACTERISTICS** 

**APT30S20BCTG** 

**==> picture [505 x 194] intentionally omitted <==**

**----- Start of picture text -----**<br>
Symbol Characteristic Test Conditions MIN TYP MAX UNIT<br>trr Reverse Recovery Time - 55 ns<br>Qrr Reverse Recovery Charge IF = 30A,  diVR = 133V,  TF/dt = -200A/µsC = 25°C - 190 nC<br>IRRM Maximum Reverse Recovery Current - 6 - Amps<br>trr Reverse Recovery Time - 100 ns<br>IF = 30A,  diF/dt = -200A/µs<br>Qrr Reverse Recovery Charge VR = 133V,  TC = 125°C - 450 nC<br>IRRM Maximum Reverse Recovery Current - 9 - Amps<br>trr Reverse Recovery Time - 70 ns<br>IF = 30A,  diF/dt = -700A/µs<br>Qrr Reverse Recovery Charge VR = 133V,  TC = 125°C - 960 nC<br>IRRM Maximum Reverse Recovery Current - 24 Amps<br>**----- End of picture text -----**<br>


## **THERMAL AND MECHANICAL CHARACTERISTICS** 

**==> picture [505 x 330] intentionally omitted <==**

**----- Start of picture text -----**<br>
Symbol Characteristic / Test Conditions MIN TYP MAX UNIT<br>RθJC Junction-to-Case Thermal Resistance .58<br>°C/W<br>RθJA Junction-to-Ambient Thermal Resistance 40<br>0.22 oz<br>WT Package Weight<br>5.9 g<br>10 lb•in<br>Torque Maximum Mounting Torque<br>1.1 N•m<br>APT Reserves the right to change, without notice, the specifications and information contained herein.<br>0.6<br>0.9<br>0.5<br>0.7<br>0.4<br>0.3 0.5<br>Note:<br>0.2 0.3 t1<br>t2<br>0.1 0.1 Duty Factor  D =  [t1] /t2<br>0.05 SINGLE PULSE Peak TJ = PDM x ZθJC + TC<br>0<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 1.0<br>RECTANGULAR PULSE DURATION (seconds)<br>FIGURE 1a. MAXIMUM EFFECTIVE TRANSIENT THERMAL IMPEDANCE, JUNCTION-TO-CASE vs. PULSE DURATION<br>PDM<br>, THERMAL IMPEDANCE (°C/W)<br>JC<br>θ<br>Z<br>**----- End of picture text -----**<br>


**==> picture [221 x 98] intentionally omitted <==**

**----- Start of picture text -----**<br>
RC MODEL<br>Junction<br>temp (°C)<br>0.250 °C/W 0.00518 J/°C<br>Power<br>(watts)<br>0.330 °C/W 0.139 J/°C<br>Case temperature (°C)<br>**----- End of picture text -----**<br>


**FIGURE 1b, TRANSIENT  THERMAL  IMPEDANCE  MODEL** 

**APT30S20BCTG** 

## **TYPICAL PERFORMANCE CURVES** 

**==> picture [212 x 707] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>90 TJ = 25°C<br>80<br>70<br>60 TJ = 150°C<br>50<br>40<br>30 TJ = 125°C<br>20<br>10 TJ = -55°C<br>0<br>0 0.2 0.4 0.6 0.8 1 1.2<br>VF, ANODE-TO-CATHODE VOLTAGE (V)<br>                            Figure 2. Forward Current  vs.  Forward Voltage<br>1800<br>TJ = 125°C<br>1600 VR = 133V<br>1400<br>60A<br>1200<br>1000<br>800<br>30A<br>600<br>400 15A<br>200<br>0<br>0 200 400 600 800<br>-diF /dt, CURRENT RATE OF CHANGE (A/µs)<br>       Figure 4. Reverse Recovery Charge  vs.<br>1.4<br>1.2 trr Qrr<br>1.0<br>IRRM<br>0.8 trr<br>0.6<br>0.4 Qrr<br>0.2<br>0.0<br>0 25 50 75 100 125 150<br>TJ, JUNCTION TEMPERATURE (°C)<br>                  Figure 6. Dynamic Parameters  vs.  Junction Temperature<br>2500<br>2000<br>1500<br>1000<br>500<br>0<br>.3 1 10 100 200<br>VR, REVERSE VOLTAGE (V)<br>      Figure 8.  Junction Capacitance  vs.  Reverse Voltage<br>(A)<br>, FORWARD CURRENT<br>IF<br>(nC)<br>, REVERSE RECOVERY CHARGE<br>rr<br>Q<br>, DYNAMIC PARAMETERSKf (Normalized  to 700A/µs)<br>(pF)<br>, JUNCTION CAPACITANCECJ<br>**----- End of picture text -----**<br>


**==> picture [223 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
       Figure 4. Reverse Recovery Charge  vs.  Current Rate of Change<br>**----- End of picture text -----**<br>


**Figure 6. Dynamic Parameters** _**vs.**_ **Junction Temperature** 

**==> picture [255 x 520] intentionally omitted <==**

**----- Start of picture text -----**<br>
120<br>TJ = 125°C 60A<br>VR = 133V<br>100<br>30A<br>80 15A<br>60<br>40<br>20<br>0<br>0 200 400 600 800<br>                               -diF /dt, CURRENT RATE OF CHANGE(A/µs)<br>                         Figure 3. Reverse Recovery Time  vs.  Current Rate of Change<br>35<br>TJ = 125°C<br>VR = 133V<br>30<br>60A<br>25<br>20<br>15<br>10 30A<br>15A<br>5<br>0<br>0 200 400 600 800<br>                              -diF /dt, CURRENT RATE OF CHANGE (A/µs)<br>Figure 5. Reverse Recovery Current  vs.  Current Rate of Change<br>140<br>120<br>100<br>80<br>60<br>40<br>20<br>Duty cycle = 0.5<br>TJ = 150°C<br>0<br>25 50 75 100 125 150<br>                               Case Temperature (°C)<br>(ns)<br>, REVERSE RECOVERY TIME<br>trr<br>(A)<br>, REVERSE RECOVERY CURRENT<br>IRRM<br>(A)<br>IF(AV)<br>**----- End of picture text -----**<br>


**==> picture [261 x 8] intentionally omitted <==**

**----- Start of picture text -----**<br>
                    Figure 7. Maximum Average Forward Current  vs.  CaseTemperature<br>**----- End of picture text -----**<br>


**APT30S20BCTG** 

**==> picture [440 x 141] intentionally omitted <==**

**----- Start of picture text -----**<br>
Vr<br>+18V diF/dt Adjust APT20M36BLL<br>0V<br>D.U.T.<br>30µH trr/Qrr<br>Waveform<br>PEARSON 2878<br>CURRENT<br>TRANSFORMER<br>**----- End of picture text -----**<br>


**Figure 9. Diode Test Circuit** 

- IF - Forward Conduction Current 

**==> picture [228 x 75] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 4<br>Zero<br>5 0.25 IRRM<br>diode 3<br>2<br>**----- End of picture text -----**<br>


- diF/dt - Rate of Diode Current Change Through Zero Crossing. 

- IRRM - Maximum Reverse Recovery Current. 

- trr - Reverse Recovery Time, measured from zero crossing where diode current goes from positive to negative, to the point at which the straight line through IRRM and 0.25  IRRM passes through zero. 

- Qrr - Area Under the Curve Defined by IRRM and trr. 

**Figure 10, Diode Reverse Recovery Waveform and Definitions** 

## **TO-247 Package Outline** 

**==> picture [282 x 202] intentionally omitted <==**

**----- Start of picture text -----**<br>
4.69 (.185)�<br>5.31 (.209) 15.49 (.610)�<br>1.49 (.059)� 16.26 (.640)<br>2.49 (.098)<br>5.38 (.212)�<br>6.15 (.242) BSC 6.20 (.244)<br>20.80 (.819)�<br>21.46 (.845)<br>3.55 (.138)�<br>3.81 (.150)<br>4.50 (.177) Max. 2.87 (.113)�<br>3.12 (.123)<br>0.40 (.016)� 1.65 (.065)�<br>0.79 (.031) 19.81 (.780)� 2.13 (.084)<br>20.32 (.800) Anode 1<br>1.01 (.040)�<br>1.40 (.055) Common Cathode<br>Anode 2<br>2.21 (.087)�<br>2.59 (.102) 5.45 (.215) BSC<br>2-Plcs.<br>Dimensions in Millimeters and (Inches)<br>Common Cathode<br>**----- End of picture text -----**<br>


APT’s products are covered by one or more of U.S.patents 4,895,810  5,045,903  5,089,434  5,182,234  5,019,522 

5,262,336  6,503,786  5,256,583  4,748,103  5,283,202  5,231,474  5,434,095  5,528,058 and foreign patents.  US and Foreign patents pending.  All Rights Reserved.

Updated at June 4, 2026

Microchip Technology Inc. is a leading global provider of smart, connected, and secure embedded control solutions. Known for enabling engineers to design with confidence, the company delivers a comprehensive product portfolio that reduces total system costs and accelerates time to market across the industrial, automotive, communications, and computing sectors. Our extensive selection of Microchip components highlights the manufacturer's strength in both discrete semiconductors and advanced wireless connectivity. We carry a robust lineup of highly efficient single MOSFETs and Schottky diodes tailored for demanding power management and switching applications. Alongside these essential discretes, engineers can source a wide array of ready-to-use networking modules, prominently featuring Bluetooth and WLAN adapters that streamline the development of modern IoT and connected devices. Rounding out the offering is a diverse range of Microchip integrated circuits and specialized components. This includes versatile I/O expanders for simplified system integration, precision timing solutions such as MEMS oscillators and pulse generators, as well as AC/DC LED driver ICs and sub-2.4GHz RF transceivers. Backed by Microchip's renowned commitment to exceptional quality and reliable performance, these components provide scalable, dependable building blocks for complex electronic designs.

About Novapart

Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.

Learn more →

Stock Shortage Specialist

When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.

Request a quote →

Compliant Alternatives

We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.

BOM Analysis service →