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Diodes Incorporated S3B-13-F
- Part No.:
- S3B-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
S3B-13-F.pdf
- Description:
- DIODE GEN PURP 100V 3A SMC
- Quantity:
- Payment:
- Shipping:
Inventory:70,934
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Product details
Overview
S3B-13-F from Diodes Incorporated is a 100 V peak repetitive reverse voltage, 3.0 A average rectified surface-mount glass passivated diode in SMB package, featuring 1.15 V forward voltage at 3.0 A and 100 A non-repetitive surge capability-used in AC/DC input stage rectification for industrial power supplies and LED drivers.
For engineers reviewing the S3B-13-F datasheet, S3B-13-F pinout, S3B-13-F application, or S3B-13-F equivalent, key selection criteria include reverse voltage rating (100 V), thermal resistance (10 °C/W), RMS reverse voltage (70 V), capacitance (40 pF), and RoHS/Green compliance status.
Technical Context
This device operates as a single-phase, half-wave silicon rectifier with glass passivated junction for enhanced reliability under transient stress. Its 100 A surge rating supports line-voltage inrush handling in offline switch-mode power supplies.
Thermal performance is defined with junction-to-terminal resistance of 10 °C/W when mounted on a 5.0 mm² copper pad; electrical behavior includes 10 µA peak reverse current at 25 °C and 250 µA at 125 °C under rated DC blocking voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum peak reverse voltage before breakdown; sets safe operating limit in 85–265 VAC input stages. |
| IO @ TT=75°C | 3.0 A - Continuous average forward current rating at terminal temperature; defines steady-state power delivery capacity. |
| VFM @ IF=3.0A | 1.15 V - Forward voltage drop at rated current; directly impacts conduction loss and thermal design. |
| IFSM (8.3 ms) | 100 A - Non-repetitive surge current capability; enables survival during cold-start inrush events. |
| RθJT | 10 °C/W - Junction-to-terminal thermal resistance; used to calculate junction temperature rise above PCB copper pad. |
| CT @ 1 MHz | 40 pF - Junction capacitance at 4 V reverse bias; influences high-frequency switching noise and EMI filter design. |
Pinout & Package
Package: SMB (Surface-Mount Small Outline Diode), molded plastic case per UL 94V-0, cathode identified by band marking. Dimensions: 3.30–3.94 mm (L) × 4.06–4.57 mm (W) × 1.96–2.21 mm (H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC input or transformer secondary; must withstand full surge current path. |
| Cathode | Forward current exit / reverse voltage reference | Marked with band; ties to output capacitor positive rail or downstream switching node. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Prevents moisture ingress and surface contamination, improving long-term reliability in humid or contaminated environments. |
| Lead-free, halogen- and antimony-free "Green" finish | Meets RoHS 2 (2011/65/EU) and JEDEC J-STD-020 Level 1 moisture sensitivity requirements for automated reflow assembly. |
| 100 A surge rating (8.3 ms half-sine) | Supports robust operation during repeated cold-start conditions without degradation in AC/DC front-end designs. |
| Low thermal resistance (10 °C/W) | Enables higher power density layout with minimal copper area-only 5.0 mm² pad required for rated current derating. |
Applications
| Industrial AC/DC Power Supplies | LED Driver Input Rectification |
|---|---|
Use Scenario: Rectifying 50/60 Hz AC mains input in enclosed industrial power modules rated up to 75 W. IC Role / Device Role / Timing Role: Primary-side uncontrolled rectifier converting AC to pulsating DC prior to bulk capacitor filtering. Use Value: 100 V VRRM safely covers 265 VAC peak (375 V), while 1.15 V VFM limits conduction loss to <3.5 W at 3 A continuous. | Use Scenario: Input-stage rectification in constant-current LED drivers for street lighting and high-bay fixtures. IC Role / Device Role / Timing Role: High-reliability bridge leg component in single-phase full-wave configurations with passive PFC. Use Value: 100 A IFSM handles lamp-strike surges; glass passivation prevents parametric shift in outdoor-rated enclosures. |
| UPS Battery Charger Front-End | Appliance Motor Control Rectifiers |
Use Scenario: Charging circuit rectifier in line-interactive UPS systems with bidirectional AC input monitoring. IC Role / Device Role / Timing Role: Isolated AC input rectifier feeding dual-directional buck-boost converter stage. Use Value: 70 V VR(RMS) rating matches 120 VAC nominal input; 10 µA IRM at 25 °C ensures low standby leakage. | Use Scenario: Rectification in universal motor control boards for HVAC blowers and kitchen appliances. IC Role / Device Role / Timing Role: Compact, automated-assembly-compatible rectifier replacing axial-leaded types in space-constrained PCBs. Use Value: SMB footprint (3.6 × 4.3 mm) reduces board area by >60% vs. DO-201AD; RoHS-compliant plating supports global manufacturing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MUR3100CT | TO-220AB package, dual common-cathode configuration, 1000 V VRRM, 3 A avg per diode | Requires heatsink mounting; suited for higher-voltage, higher-power discrete designs | Select when higher voltage margin or dual-diode integration is needed; not drop-in for SMB footprint. |
| Vishay VS-3EJH02-M3/45 | SMB package, 100 V VRRM, 3 A IO, but 1.3 V VFM at 3 A and 12 °C/W RθJT | Higher conduction loss and thermal resistance reduce usable current in thermally constrained layouts | Acceptable where cost is primary driver and thermal headroom exceeds 15 °C above ambient. |
Compared with MUR3100CT and VS-3EJH02-M3/45, S3B-13-F delivers optimal balance of low VFM (1.15 V), low RθJT (10 °C/W), and SMB footprint-making it preferred for compact, thermally efficient 100 V rectification where board space and thermal management are critical.
Availability
S3B-13-F is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input rectification, and UPS battery charger front-ends requiring stable component supply and consistent RoHS/Green compliance.
Supply support for S3B-13-F 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 series belongs to Diodes' general-purpose rectifier product line, engineered for high-reliability, automated-assembly-ready AC/DC conversion in cost-sensitive industrial and consumer power applications.
FAQ
What is the maximum allowable junction temperature for S3B-13-F?
The absolute maximum junction temperature is +150 °C, as specified in the Thermal Characteristics table. Operation above this limit risks permanent degradation of the glass passivated junction. Derating curves in Figure 1 show that average forward current must be reduced linearly from 3.0 A at +75 °C terminal temperature to zero at +150 °C.
Can S3B-13-F replace S3A-13-F in an existing design?
Yes, with verification of voltage margin. S3B-13-F has 100 V VRRM versus S3A-13-F's 50 V rating-both share identical SMB package, thermal resistance, and forward characteristics. Replacement is safe if system peak reverse voltage remains ≤100 V; no layout or thermal changes are needed.
Is S3B-13-F suitable for use in a full-wave bridge configuration?
Yes, as a single leg. The device is a single diode; four units can form a discrete bridge. Its 100 A surge rating and low VFM make it appropriate for medium-power bridges, though dedicated bridge packages (e.g., GBPC3506) offer lower assembly cost at higher volumes.
Does S3B-13-F require derating for capacitive loads?
Yes. Per the datasheet, average forward current must be derated by 20% when used with capacitive-input filters-reducing IO from 3.0 A to 2.4 A at +75 °C terminal temperature. This accounts for increased peak current stress caused by zero-crossing charging currents.
S3B-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 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 @ 100 V
- Capacitance @ Vr, F:
- 40pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
- Operating Temperature - Junction:
- -65°C ~ 150°C
S3B-13-F FAQ
1.How can I place an order for S3B-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for S3B-13-F 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 S3B-13-F reliable?
The price and inventory of S3B-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S3B-13-F is usually 5 days.
3.What payment methods are accepted for S3B-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S3B-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S3B-13-F?
S3B-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S3B-13-F 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 S3B-13-F?
For technical support, including S3B-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S3B-13-F requirements.
6.How does Aetrix verify that S3B-13-F is sourced from the original manufacturer or authorized distributors?
All S3B-13-F 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 S3B-13-F meets industry standards.
7.What is the process for return or replacement of S3B-13-F?
All S3B-13-F units undergo pre-shipment inspection (PSI). If there is an issue with S3B-13-F, 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 S3B-13-F part is unused and in its original packaging.
Return procedure for S3B-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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