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Diodes Incorporated S3M-13
- Part No.:
- S3M-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
S3M-13.pdf
- Description:
- DIODE GEN PURP 1KV 3A SMC
- Quantity:
- Payment:
- Shipping:
Inventory:9,447
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Product details
Overview
S3M-13 from Diodes Incorporated is a 3.0A, 1000V peak repetitive reverse voltage (VRRM), glass passivated surface-mount rectifier in SMB package, with 1.15V forward voltage at 3.0A, 100A non-repetitive surge capability, and 10µA reverse leakage at 25°C - used in AC/DC front-end rectification for industrial power supplies.
For engineers reviewing the S3M-13 datasheet, S3M-13 pinout, S3M-13 application, or S3M-13 equivalent, key selection criteria include VRRM rating, thermal resistance (10°C/W), forward voltage drop, surge robustness (100A @ 8.3ms), and RoHS-compliant lead-free plating compatibility with automated assembly.
Technical Context
This device is a single-phase, silicon planar junction, glass passivated diode optimized for high-voltage, medium-current rectification in switching and linear power supplies. It operates across –65°C to +150°C and supports resistive/inductive loads without derating below 75°C terminal temperature.
The SMB package provides standardized mechanical dimensions (3.30–3.94mm A, 4.06–4.57mm B) and low thermal resistance (10°C/W junction-to-terminal) when mounted on a 5.0 mm² copper pad, enabling reliable conduction under sustained 3.0A average output current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Withstands up to 1000V peak reverse voltage without breakdown, suitable for 700V RMS line applications. |
| IO @ TT = 75°C | 3.0 A - Maximum average forward current under standard thermal mounting condition (5.0 mm² Cu pad). |
| VFM @ IF = 3.0A | 1.15 V - Low conduction loss enables >85% efficiency in 24V/48V SMPS output stages. |
| IFSM (8.3ms) | 100 A - Handles inrush surges from bulk capacitors or short-circuit transients without failure. |
| IRM @ 25°C / 125°C | 10 µA / 250 µA - Low leakage preserves hold-up time and reduces standby power in offline converters. |
| RJT | 10 °C/W - Enables direct thermal coupling to PCB copper, simplifying heatsinkless designs up to 3W dissipation. |
| CT @ 1MHz | 40 pF - Minimal junction capacitance avoids EMI issues in high-frequency flyback snubbers. |
Pinout & Package
SMB (DO-214AA) surface-mount package: molded plastic case, UL 94V-0 rated, cathode band polarity marking, solder-plated terminals compliant with MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | AC input connection point | Accepts incoming AC waveform; must be routed with adequate creepage for 1000V isolation. |
| Cathode | DC output connection point | Delivers rectified positive DC; requires low-inductance trace to minimize switching noise. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Eliminates moisture-induced degradation and improves long-term reliability in humid environments. |
| Low forward voltage (1.15V @ 3A) | Reduces conduction losses by ~15% vs. comparable 1000V diodes with VFM > 1.3V. |
| 100A surge rating (JEDEC 8.3ms) | Survives repeated cold-start surges in 100W+ industrial adapters without derating. |
| RoHS-compliant matte tin plating | Enables lead-free reflow (260°C peak) and eliminates post-solder cleaning requirements. |
| UL 94V-0 flammability rating | Meets safety standards for enclosed power modules requiring flame-retardant encapsulation. |
Applications
| Industrial AC/DC Adapters | LED Driver Input Rectification |
|---|---|
Use Scenario: 100–240VAC input stage in DIN-rail mounted 60W industrial power supplies. IC Role / Device Role / Timing Role: Primary-side bridge rectifier converting AC line to unregulated DC bus. Use Value: 1000V VRRM ensures margin against 1.5× line surges; 10°C/W RJT allows operation at full 3A load without external heatsink. | Use Scenario: Off-line LED driver for street lighting with universal AC input. IC Role / Device Role / Timing Role: Input rectifier feeding PFC controller and buck converter stage. Use Value: 1.15V VFM minimizes heat generation in sealed outdoor enclosures; RoHS plating ensures compliance with EU environmental directives. |
| UPS Battery Charger Front-End | Motor Drive Auxiliary Power Supply |
Use Scenario: Dual-function UPS supporting both battery charging and inverter output. IC Role / Device Role / Timing Role: Rectifier in bidirectional AC/DC converter feeding charge controller and DC bus. Use Value: 100A IFSM withstands generator-start transients; 250µA IRM at 125°C maintains efficiency during extended backup operation. | Use Scenario: Auxiliary 24V supply powering gate drivers and logic in 3-phase inverter modules. IC Role / Device Role / Timing Role: Isolated auxiliary rectifier downstream of transformer secondary. Use Value: SMB footprint saves board space vs. through-hole alternatives; 40pF CT avoids resonance with transformer leakage inductance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3L06S | 600V VRRM, 3.0A IO, TO-277 package, 1.1V VFM | Limited to 420V RMS systems; lower surge rating (60A) | Select only if system peak reverse stress < 600V and space permits TO-277 footprint. |
| ON Semi MUR3100 | 1000V VRRM, 3.0A IO, DO-214AB (SMC) package, 1.25V VFM | Higher VFM increases conduction loss; larger SMC footprint occupies 30% more board area | Prefer when higher surge margin needed beyond 100A or when SMC thermal mass improves reliability in high-ambient conditions. |
Compared with STTH3L06S and MUR3100, S3M-13 delivers optimal balance of 1000V rating, SMB compactness, and 1.15V conduction loss - making it preferred for space-constrained, high-input-voltage industrial converters where thermal management relies on PCB copper rather than discrete heatsinks.
Availability
S3M-13 is available at Aetrix Electronics and suitable for industrial AC/DC adapters, LED driver input stages, and UPS battery charger front-ends requiring stable component supply and long-term manufacturing continuity.
Supply support for S3M-13 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The S3x/B series targets cost-sensitive, high-volume power conversion applications requiring rugged, RoHS-compliant rectifiers with validated surge and thermal performance in surface-mount packages.
FAQ
What is the maximum allowable junction temperature for S3M-13?
The absolute maximum junction temperature is +150°C, and the device is characterized over –65°C to +150°C operating range. Derating begins above 75°C terminal temperature per Figure 1; sustained operation at full 3.0A requires thermal design ensuring TJ ≤ 150°C under worst-case ambient and airflow conditions.
Can S3M-13 replace S3K-13 in an existing design?
Yes, S3M-13 is a direct upgrade from S3K-13 (800V VRRM) with identical SMB package, pinout, and thermal characteristics. The 200V higher VRRM provides additional margin against line surges and transient spikes, especially in regions with unstable grid voltage or motor-driven loads.
Is S3M-13 compatible with lead-free reflow processes?
Yes - S3M-13 features matte tin lead-free plating and is qualified for Pb-free reflow per J-STD-020C, with peak temperature tolerance up to 260°C. Its moisture sensitivity level is Level 1, eliminating bake requirements prior to assembly.
Does S3M-13 require a heatsink in typical applications?
No external heatsink is required when mounted on a minimum 5.0 mm² copper pad (0.013 mm thick), as specified in the datasheet's thermal resistance test condition (RJT = 10°C/W). For continuous 3.0A operation in >50°C ambient, additional copper pour or internal layers may be needed to maintain TJ < 150°C.
S3M-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.15 V @ 3 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 10 µA @ 1000 V
- Capacitance @ Vr, F:
- 40pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
- Operating Temperature - Junction:
- -65°C ~ 150°C
S3M-13 FAQ
1.How can I place an order for S3M-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for S3M-13 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 S3M-13 reliable?
The price and inventory of S3M-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S3M-13 is usually 5 days.
3.What payment methods are accepted for S3M-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S3M-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S3M-13?
S3M-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S3M-13 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 S3M-13?
For technical support, including S3M-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S3M-13 requirements.
6.How does Aetrix verify that S3M-13 is sourced from the original manufacturer or authorized distributors?
All S3M-13 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 S3M-13 meets industry standards.
7.What is the process for return or replacement of S3M-13?
All S3M-13 units undergo pre-shipment inspection (PSI). If there is an issue with S3M-13, 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 S3M-13 part is unused and in its original packaging.
Return procedure for S3M-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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