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Vishay General Semiconductor - Diodes Division SE20PD-M3/85A
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- Part No.:
- SE20PD-M3/85A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Diodes
- Package:
- DO-220AA
- Datasheet:
-
SE20PD-M3/85A.pdf
- Description:
- DIODE GEN PURP 200V 1.6A DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,990
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Product details
Overview
SE20PD-M3/85A from Vishay General Semiconductor is a surface-mount, AEC-Q101-qualified, single silicon rectifier diode with 200 V maximum repetitive peak reverse voltage (VRRM), 2.0 A average forward current (IF(AV)), and low 0.85 V forward voltage at 2.0 A and 125 °C - designed for power line polarity and rail-to-rail ESD protection in automotive and industrial PCBs.
For engineers reviewing the SE20PD-M3/85A datasheet, SE20PD-M3/85A pinout, SE20PD-M3/85A application, or SE20PD-M3/85A equivalent, key selection criteria include its SMP (DO-220AA) package, 1.0 mm profile, 8 kV HBM ESD rating, 175 °C max junction temperature, and halogen-free RoHS-compliant commercial-grade construction.
Technical Context
This device is a planar-junction, fast-recovery rectifier optimized for high-efficiency DC power conditioning and transient suppression. Its 1.2 μs typical reverse recovery time (trr) and 13 pF junction capacitance at 4.0 V support stable operation in moderate-frequency switching and clamping circuits up to ~1 MHz.
The SMP (DO-220AA) package enables automated placement and meets MSL level 1 per J-STD-020 with 260 °C peak reflow. Its cathode band polarity marking, matte tin-plated leads, and JESD 201 class 1A whisker resistance ensure robust assembly and long-term reliability in thermally demanding environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - supports input protection in 24 V and 48 V industrial bus systems without breakdown under transient overvoltage |
| IF(AV) | 2.0 A - delivers continuous rectification for mid-power supply rails with derating to 1.6 A at elevated ambient temperatures |
| VF @ 2.0 A, 125 °C | 0.85 V - minimizes conduction loss and thermal rise in compact, thermally constrained layouts |
| trr | 1.2 μs - enables use in flyback snubbers and freewheeling paths where fast turn-off reduces switching noise |
| CJ @ 4.0 V, 1 MHz | 13 pF - limits capacitive loading on signal or bias lines in rail-clamp configurations |
| ESD Rating (HBM) | > 8 kV - provides built-in electrostatic discharge immunity per AEC-Q101-001, reducing need for external TVS devices |
| TJ max | 175 °C - allows operation in under-hood automotive modules and sealed industrial enclosures without thermal shutdown |
Pinout & Package
Package: SMP (DO-220AA), ultra-low-profile surface-mount case with 1.0 mm typical height, 3.61 mm × 2.18 mm footprint, and cathode band marking. Matte tin-plated terminals comply with J-STD-002 and JESD 22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry terminal | Connected to positive side of source or load; determines direction of unidirectional conduction path |
| Cathode (marked by color band) | Forward current exit terminal | Connected to ground or negative rail; polarity marking ensures correct orientation during automated placement |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity testing, and mechanical shock per stress test standard |
| MSL Level 1 rating | Enables direct placement without dry-pack or baking, supporting high-yield SMT assembly with 260 °C peak reflow compatibility |
| Oxide planar chip junction | Delivers consistent forward voltage and leakage performance across temperature and production lots, improving BOM stability |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets global environmental compliance requirements for commercial electronics without compromising thermal or electrical performance |
| Low 1.0 mm profile | Reduces board stack height in space-constrained applications such as portable medical devices and dense power modules |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Reverse-polarity protection on 12 V/24 V power inputs to microcontroller-based control units. IC Role / Device Role / Timing Role: Unidirectional current blocking diode placed in series with main power rail. Use Value: Prevents damage from accidental battery reversal while maintaining <0.85 V drop at full load, minimizing heat generation in sealed enclosures. |
Use Scenario: Rail-to-rail clamping on analog sensor inputs exposed to inductive transients in factory automation. IC Role / Device Role / Timing Role: Fast-recovery shunt protector limiting voltage excursions to ±0.85 V above/below rails. Use Value: 1.2 μs trr and 8 kV HBM rating suppress ESD and switching spikes before they reach precision ADC front-ends. |
| Consumer Power Adapter Input Stage | Telecom DC-DC Converter Freewheeling |
Use Scenario: Input rectification and surge suppression in universal-input AC/DC adapters for smart home hubs. IC Role / Device Role / Timing Role: Primary-side bridge leg diode handling 2.0 A average current with low conduction loss. Use Value: 0.85 V VF at 125 °C reduces thermal stress on adjacent MOSFETs and improves overall adapter efficiency at full load. |
Use Scenario: Freewheeling path in isolated 48 V–12 V buck-derived telecom power supplies. IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier replacement in non-synchronous topologies. Use Value: 13 pF CJ and 200 V VRRM enable clean turn-off with minimal ringing, preserving signal integrity in high-density power planes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay SE20PB-M3/85A | 100 V VRRM, identical package, pinout, and thermal specs | Suitable only for ≤12 V systems; lower voltage margin increases risk of avalanche in 24 V transients | Select when cost optimization is critical and system max reverse voltage stays below 80 V |
| Vishay SE20PG-M3/85A | 400 V VRRM, same footprint and thermal resistance, but higher VF (0.95 V @ 2.0 A, 125 °C) | Better suited for 48 V or PoE-powered equipment; higher forward loss increases thermal load at high duty cycles | Choose for higher-voltage industrial or telecom applications where transient margin outweighs conduction loss penalty |
Compared with SE20PB-M3/85A and SE20PG-M3/85A, the SE20PD-M3/85A offers optimal balance of voltage headroom (200 V), conduction efficiency (0.85 V), and thermal capability (175 °C) for 24 V automotive and industrial subsystems - avoiding both under-rating and unnecessary forward loss.
Availability
SE20PD-M3/85A is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC I/O protection, and consumer power adapter designs requiring stable component supply, consistent lead-time performance, and long-term lifecycle assurance.
Supply support for SE20PD-M3/85A 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and optoelectronics with emphasis on reliability, efficiency, and application-specific validation.
The eSMP® Series - including SE20PD-M3/85A - was engineered for high-density, thermally demanding applications requiring AEC-Q101 qualification, ultra-low profile packaging, and integrated ESD robustness in automotive and industrial power interfaces.
FAQ
What is the maximum junction temperature rating for SE20PD-M3/85A?
The SE20PD-M3/85A has a maximum junction temperature (TJ) of 175 °C, enabling reliable operation in under-hood automotive environments and sealed industrial enclosures. This rating is validated per AEC-Q101 stress testing and supported by its RθJM of 20 °C/W when mounted on a 5.0 mm × 5.0 mm, 2 oz. copper pad. Thermal design must account for this limit using actual board layout and ambient conditions.
Does SE20PD-M3/85A support automated SMT assembly without moisture sensitivity concerns?
Yes, SE20PD-M3/85A is rated MSL Level 1 per J-STD-020, meaning it can be stored indefinitely at ≤30 °C/85 % RH and withstand peak reflow temperatures up to 260 °C without baking. Its matte tin-plated leads meet J-STD-002 solderability requirements, ensuring consistent wetting and joint integrity during high-speed pick-and-place processes.
How does the ESD capability of SE20PD-M3/85A compare to standard rectifiers?
SE20PD-M3/85A is tested to >8 kV Human Body Model (HBM) per AEC-Q101-001, significantly exceeding typical rectifiers (<2 kV). This built-in ESD robustness eliminates the need for additional TVS diodes in many rail-protection schemes, reducing BOM count and PCB area - especially valuable in space-constrained automotive and IoT edge nodes.
Is SE20PD-M3/85A pin-compatible with other eSMP® Series diodes like SE20PB or SE20PG?
Yes, SE20PD-M3/85A shares identical SMP (DO-220AA) package dimensions, terminal layout, and polarity marking (cathode band) with SE20PB-M3/85A and SE20PG-M3/85A. This allows direct substitution in existing footprints when voltage rating adjustments are acceptable - though thermal and electrical behavior (e.g., VF, VRRM) must be re-validated per application.
What is the reverse leakage current specification for SE20PD-M3/85A at elevated temperature?
At 125 °C and rated reverse voltage, SE20PD-M3/85A exhibits a maximum reverse leakage current (IR) of 100 μA. This value is critical for low-power standby circuits where cumulative leakage across multiple diodes could impact quiescent current budgets - confirmed in Vishay's Document Number 87905, Section "ELECTRICAL CHARACTERISTICS".
SE20PD-M3/85A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- DO-220AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 1.6A
- Voltage - Forward (Vf) (Max) @ If:
- 1.05 V @ 2 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 1.2 µs
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 13pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-220AA (SMP)
- Operating Temperature - Junction:
- -55°C ~ 175°C
SE20PD-M3/85A FAQ
1.How can I place an order for SE20PD-M3/85A through Aetrix?
Please submit a Request for Quotation (RFQ) for SE20PD-M3/85A 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 SE20PD-M3/85A reliable?
The price and inventory of SE20PD-M3/85A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SE20PD-M3/85A is usually 5 days.
3.What payment methods are accepted for SE20PD-M3/85A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SE20PD-M3/85A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SE20PD-M3/85A?
SE20PD-M3/85A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SE20PD-M3/85A 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 SE20PD-M3/85A?
For technical support, including SE20PD-M3/85A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SE20PD-M3/85A requirements.
6.How does Aetrix verify that SE20PD-M3/85A is sourced from the original manufacturer or authorized distributors?
All SE20PD-M3/85A 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 SE20PD-M3/85A meets industry standards.
7.What is the process for return or replacement of SE20PD-M3/85A?
All SE20PD-M3/85A units undergo pre-shipment inspection (PSI). If there is an issue with SE20PD-M3/85A, 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 SE20PD-M3/85A part is unused and in its original packaging.
Return procedure for SE20PD-M3/85A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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