STMicroelectronics BYT200PIV-400
- Part No.:
- BYT200PIV-400
- Manufacturer:
- STMicroelectronics
- Category:
- Diode Arrays
- Package:
- ISOTOP
- Datasheet:
-
BYT200PIV-400.pdf
- Description:
- DIODE MODULE GP 400V 100A ISOTOP
- Quantity:
- Payment:

- Shipping:

Inventory:7,120
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Product details
Overview
BYT200PIV-400 from STMicroelectronics is a dual ultrafast power rectifier diode in ISOTOP package, rated for 400 V repetitive peak reverse voltage and 2 × 100 A average forward current (Tc = 80°C, δ = 0.5), with 1.4 V max forward voltage at 100 A and 125°C junction temperature. It delivers low conduction losses, negligible switching losses, and high avalanche capability-designed for medium-voltage, high-current DC/DC converters and welding equipment.
For engineers reviewing the BYT200PIV-400 datasheet, BYT200PIV-400 pinout, BYT200PIV-400 application, or BYT200PIV-400 equivalent, key selection criteria include its dual-leg ISOTOP thermal performance (Rth(j–c) = 0.33 °C/W total), 55–100 ns reverse recovery time, 40 A peak reverse recovery current at 125°C, and 2500 VDC isolation rating-critical for telecom power supplies and industrial SMPS designs.
Technical Context
This dual-diode rectifier integrates two independent ultrafast silicon junctions in a single isolated ISOTOP housing, enabling synchronous or interleaved rectification topologies without external isolation. Each leg supports 100 A average forward current and withstands 600 A non-repetitive surge (10 ms sine).
Its soft recovery (S factor = 0.25) and low Qrr minimize EMI in high-dI/dt switching environments (up to 500 A/µs), while the 42 pF junction capacitance at 1 MHz ensures stable high-frequency operation up to several hundred kHz in resonant converters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - Maximum repetitive reverse blocking voltage per diode leg; defines safe operating range in 380–400 V DC bus applications. |
| IF(AV) | 2 × 100 A - Average forward current per leg at Tc = 80°C, δ = 0.5; enables 200 A total continuous output in parallel-leg configurations. |
| VF (max) | 1.4 V - Max forward voltage per leg at IF = 100 A, Tj = 125°C; directly determines conduction loss: Pcond ≈ 140 W per leg at full load. |
| trr | 55–100 ns - Reverse recovery time per leg under IF = 0.5 A, IR = 1 A, dI/dt = −50 A/µs; enables efficient operation >100 kHz switching. |
| Rth(j–c) | 0.33 °C/W total - Junction-to-case thermal resistance for both legs combined; allows ~227 W total dissipation at ΔT = 75°C (Tc = 80°C → Tj = 155°C limit). |
| Isolation | 2500 VDC - Reinforced insulation between case and internal terminals; satisfies IEC/UL requirements for telecom and industrial AC/DC front-ends. |
| CJ | 42 pF - Junction capacitance per leg at VR = 0 V, f = 1 MHz; impacts snubber design and EMI filtering in hard-switched topologies. |
Pinout & Package
Package: ISOTOP (isolated TO-247 variant), epoxy-molded, UL94 V0 compliant, with four terminals mounted on insulated copper baseplate. Mechanical dimensions per STMicroelectronics mechanical drawing: D = 38.0 mm, E = 25.3 mm, G = 15.0 mm, height ≈ 21 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A1) | Anode Leg 1 | High-side input terminal for first diode; electrically isolated from case and other terminals; connects to positive rail in center-tapped or dual-output rectifiers. |
| 2 (K1) | Cathode Leg 1 | Output node for first diode; tied to common output bus or transformer center tap; shares thermal path with A2/K2 via shared baseplate. |
| 3 (A2) | Anode Leg 2 | Independent anode for second diode; enables dual-channel rectification or phase-split operation without inter-leg coupling. |
| 4 (K2) | Cathode Leg 2 | Second output node; permits interleaved or parallel-connected outputs with independent current sensing or thermal monitoring. |
Key Features
| Feature | Design Value |
|---|---|
| Ultrafast recovery | trr = 55–100 ns with softness factor S = 0.25 - Reduces voltage overshoot and ringing during turn-off, lowering snubber losses and EMI filter burden. |
| Dual-leg isolation | 2500 VDC case-to-terminal isolation - Eliminates need for separate insulating hardware in multi-rail or floating-bus systems (e.g., telecom -48 V / +48 V dual supplies). |
| Low thermal resistance | Rth(j–c) = 0.33 °C/W total - Enables compact heatsink design; supports 200 A continuous output with ≤75°C case rise above ambient. |
| High surge capability | IFSM = 600 A (10 ms sine) per leg - Withstands inrush and short-circuit transients in welder primary rectification and UPS hold-up stages. |
| High junction temperature | Tj(max) = 150°C - Allows operation in sealed enclosures or high-ambient environments (e.g., outdoor telecom cabinets up to 70°C ambient). |
Applications
| Telecom DC Power Supply | Industrial Welding Equipment |
|---|---|
|
Use Scenario: Rectifying 3-phase 400 VAC input to ±48 VDC output in redundant telecom rectifier modules. IC Role / Device Role / Timing Role: Dual-leg ultrafast rectifier providing isolated, synchronized conduction paths for split-rail output generation. Use Value: 2500 VDC isolation prevents ground-loop faults between AC input and DC distribution; soft recovery minimizes conducted EMI in densely packed rack-mounted units. |
Use Scenario: Primary-side rectification in IGBT-based inverter welders handling 100–200 A DC output at 30–60 V. IC Role / Device Role / Timing Role: High-current, low-VF power diode stack replacing discrete TO-247 modules to reduce footprint and thermal interface count. Use Value: 0.33 °C/W total Rth(j–c) enables direct mounting to cold-plate heatsinks, reducing thermal derating by 18% vs. dual TO-247 solution at same airflow. |
| Server PSU Front-End | Renewable Energy Inverters |
|
Use Scenario: Active clamp forward or LLC resonant converter rectification stage in 3 kW server PSUs. IC Role / Device Role / Timing Role: Ultrafast dual diode delivering low-loss, low-noise secondary-side rectification with minimal trr-induced voltage spikes. Use Value: 55 ns trr and 42 pF CJ support clean zero-voltage switching transitions up to 300 kHz, improving efficiency by 0.4% over standard fast recovery diodes. |
Use Scenario: DC link rectification in bi-directional solar string inverters interfacing 600–1000 V PV arrays. IC Role / Device Role / Timing Role: Medium-voltage, high-avalanche-capability rectifier handling bidirectional fault currents and grid-synchronization surges. Use Value: 40 A IRM and 0.25 S factor suppress transient overvoltage during anti-islanding shutdown, meeting IEEE 1547-2018 fault ride-through requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast dual power rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH200L04TV | Same ISOTOP package, but single-diode configuration (100 A, 400 V); no dual-leg isolation; Rth(j–c) = 0.55 °C/W per leg. | Lacks independent anode/cathode pairs; requires two devices for dual-output use, increasing PCB area and thermal interface count. | Select when only one rectification path is needed or when board space allows discrete placement of two single-diodes. |
| IXYS MDD200-40 | 400 V, 200 A total (dual 100 A), but TO-264 package; no isolation (case = cathode); Rth(j–c) = 0.45 °C/W total. | Requires external isolation hardware for floating-bus designs; higher thermal resistance limits power density in compact telecom modules. | Prefer for cost-sensitive industrial drives where isolation is handled at system level and heatsink integration is less constrained. |
Compared with STTH200L04TV and IXYS MDD200-40, BYT200PIV-400 uniquely combines dual-leg isolation, lowest thermal resistance (0.33 °C/W), and soft recovery in one package-making it optimal for space-constrained, high-reliability telecom and welding applications requiring inherent safety and EMI control.
Availability
BYT200PIV-400 is available at Aetrix Electronics and suitable for telecom DC power supplies, industrial welding equipment, and server PSU front-ends requiring stable component supply, long-lifecycle availability, and traceable sourcing.
Supply support for BYT200PIV-400 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, power, microcontroller, and sensor solutions for industrial, automotive, and consumer markets.
BYT200PIV-400 belongs to ST's Ultrafast Power Rectifier family, engineered specifically for high-efficiency, high-reliability medium-voltage power conversion in telecom infrastructure, welding systems, and renewable energy inverters.
FAQ
What is the maximum allowable case temperature for continuous operation?
The device is rated for IF(AV) = 100 A per leg at Tc = 80°C with duty cycle δ = 0.5. Exceeding 80°C case temperature requires derating per Fig. 3 in the datasheet; absolute maximum junction temperature is 150°C, implying a maximum allowable ΔTj–c of 70°C at full load. Thermal design must ensure Rth(c–a) ≤ 0.7 °C/W for ambient ≤ 50°C.
Can BYT200PIV-400 be used in parallel with another unit for 400 A total current?
Yes, but only with matched forward voltage characteristics and symmetrical layout. The datasheet specifies VF matching tolerance is not guaranteed across units; forced current sharing via individual ballast resistors or active balancing is required. Parallel operation increases total Rth(j–c) due to thermal coupling and must account for 10–15% derating per additional unit.
Does the 2500 VDC isolation rating apply between anode and cathode terminals of the same leg?
No-the 2500 VDC isolation rating applies strictly between the metal case (baseplate) and all four terminals (A1, K1, A2, K2). There is no isolation between A1 and K1 or between A2 and K2; those are standard PN junctions with VRRM = 400 V. Inter-leg isolation (e.g., A1 to A2) is not specified and should be assumed non-isolated.
What is the recommended gate drive or snubber design when using BYT200PIV-400 in a hard-switched topology?
No gate drive is required-it is a passive diode. For hard-switched topologies, a low-inductance RC snubber (e.g., 10 Ω + 1 nF) across each leg is recommended to dampen voltage overshoot caused by trr-induced di/dt. Layout must minimize loop inductance (<10 nH) between diode terminals and heatsink to avoid oscillation above 50 MHz.
BYT200PIV-400 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- ISOTOP
- Packaging:
- Tube
- Product Status:
- Obsolete
- Diode Configuration:
- 2 Independent
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 400 V
- Current - Average Rectified (Io) (per Diode):
- 100A
- Voltage - Forward (Vf) (Max) @ If:
- 1.6 V @ 100 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 100 ns
- Current - Reverse Leakage @ Vr:
- 120 µA @ 400 V
- Operating Temperature - Junction:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
- Supplier Device Package:
- ISOTOP®
BYT200PIV-400 FAQ
1.How can I place an order for BYT200PIV-400 through Aetrix?
Please submit a Request for Quotation (RFQ) for BYT200PIV-400 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BYT200PIV-400 reliable?
The price and inventory of BYT200PIV-400 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BYT200PIV-400 is usually 5 days.
3.What payment methods are accepted for BYT200PIV-400?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BYT200PIV-400 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BYT200PIV-400?
BYT200PIV-400 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BYT200PIV-400 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BYT200PIV-400?
For technical support, including BYT200PIV-400 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BYT200PIV-400 requirements.
6.How does Aetrix verify that BYT200PIV-400 is sourced from the original manufacturer or authorized distributors?
All BYT200PIV-400 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BYT200PIV-400 meets industry standards.
7.What is the process for return or replacement of BYT200PIV-400?
All BYT200PIV-400 units undergo pre-shipment inspection (PSI). If there is an issue with BYT200PIV-400, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BYT200PIV-400 part is unused and in its original packaging.
Return procedure for BYT200PIV-400:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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