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Diodes Incorporated S5MB-13
- Part No.:
- S5MB-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
S5MB-13.pdf
- Description:
- DIODE GEN PURP 1KV 5A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:1,526
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Product details
Overview
S5MB-13 from Diodes Incorporated is a 1000 V peak repetitive reverse voltage, 5 A average rectified output current surface-mount standard recovery rectifier in SMB package, featuring 1.15 V maximum forward voltage at 5.0 A and 10 µA peak reverse current at 25°C, widely used in offline AC/DC power supplies and industrial motor drive front-end rectification.
For engineers reviewing the S5MB-13 datasheet, S5MB-13 pinout, S5MB-13 application, or S5MB-13 equivalent, this page delivers verified thermal resistance (RθJL = 8 °C/W), surge rating (150 A @ 8.3 ms), junction-to-ambient thermal resistance (60 °C/W), and RoHS-compliant lead-free plating per MIL-STD-202.
Technical Context
This standard recovery rectifier employs glass passivated die construction to ensure stable reverse leakage and robust surge tolerance. Its 1000 V VRRM rating supports universal input (85–265 VAC) SMPS front ends, while the 1.15 V VFM at 5 A enables efficient conduction with minimal I²R loss under full load.
The SMB package provides defined thermal path characteristics: RθJL = 8 °C/W and RθJC = 10 °C/W when mounted on 5.0 mm² copper pads, enabling reliable operation up to +150°C junction temperature. Its 28 pF typical junction capacitance minimizes high-frequency switching noise in line-frequency rectification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Supports 700 V DC bus designs after bridge rectification of 480 VAC three-phase inputs. |
| IO | 5.0 A @ TT = +120°C - Sustains continuous output in compact open-frame power supplies with natural convection cooling. |
| VFM | 1.15 V max @ IF = 5.0 A - Limits conduction loss to ≤5.75 W at full load, reducing heatsink requirements. |
| IFSM | 150 A @ 8.3 ms - Withstands inrush surges from cold-started capacitive-input filters without degradation. |
| RθJL | 8 °C/W - Enables direct thermal coupling to PCB copper pour for low-cost thermal management without external heatsinks. |
| CT | 28 pF @ 1 MHz, 4 VR - Reduces EMI generation during zero-crossing transitions in 50/60 Hz applications. |
Pinout & Package
SMB (Surface Mount Body) package: molded plastic case, UL 94V-0 rated, 0.09 g weight, cathode indicated by band or notch, matte tin lead finish solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | AC input connection point | Accepts incoming AC phase; must be routed with adequate creepage for 1000 V isolation compliance. |
| Cathode | DC output connection point | Delivers rectified positive rail; requires low-inductance trace to bulk capacitor for surge current handling. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Ensures long-term stability of reverse leakage (<10 µA at 25°C) across humidity and temperature cycling. |
| 150 A non-repetitive surge rating | Supports single-event inrush currents from large input capacitors without bond wire fusing. |
| Lead-free, halogen-free "Green" construction | Meets IPC-J-STD-020 Level 1 moisture sensitivity and EU RoHS 3 (2015/863/EU) compliance out-of-box. |
| Automated assembly compatibility | SMB footprint aligns with industry-standard pick-and-place nozzles and reflow profiles (peak 260°C). |
Applications
| Industrial Motor Drive Input Rectification | Universal Input AC/DC Power Supply |
|---|---|
Use Scenario: Front-end rectification in 3 kW variable frequency drives accepting 380–480 VAC three-phase input. IC Role / Device Role / Timing Role: Standard recovery rectifier conducting 50/60 Hz line frequency; not involved in timing or control. Use Value: 1000 V VRRM withstands transient overvoltages on industrial mains; 150 A IFSM absorbs capacitor charging surges at startup. | Use Scenario: Bridge rectifier in open-frame 100 W medical-grade AC/DC adapter with 85–265 VAC input range. IC Role / Device Role / Timing Role: Passive rectifying element converting AC to pulsating DC; no signal conditioning or regulation. Use Value: 1.15 V VFM limits conduction loss to <6 W at full load, easing thermal design in enclosed enclosures. |
| LED Streetlight Power Module | Industrial PLC Power Input Stage |
Use Scenario: Input rectification in outdoor-rated 150 W LED driver operating continuously at ambient up to +85°C. IC Role / Device Role / Timing Role: Line-frequency rectifier; operates in conduction mode only during AC half-cycles. Use Value: RθJL = 8 °C/W allows direct PCB copper thermal spreading, eliminating need for mechanical heatsinks in sealed housings. | Use Scenario: Primary-side rectification in programmable logic controller power supply with wide ambient (-25°C to +70°C) operation. IC Role / Device Role / Timing Role: Standard recovery diode handling 50 Hz utility input; no high-speed switching function. Use Value: -65°C to +150°C operating range ensures reliability across industrial temperature extremes without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar standard recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH5L06S | 600 V VRRM, 5 A IO, 1.15 V VFM, SMB package | Limited to 277 VAC single-phase or 480 VAC three-phase with reduced safety margin | Select when system DC bus stays below 420 V and cost optimization is prioritized over surge headroom. |
| SB5100 | 1000 V VRRM, 5 A IO, 1.2 V VFM, DO-214AA (SMC) package | Larger footprint, higher thermal resistance (RθJA ≈ 75 °C/W), manual assembly compatible | Choose when board space permits larger package and higher forward drop is acceptable for legacy layout reuse. |
Compared with STTH5L06S and SB5100, the S5MB-13 uniquely combines 1000 V rating, SMB footprint, and 8 °C/W junction-to-lead thermal resistance-enabling compact, thermally efficient designs in space-constrained industrial power modules.
Availability
S5MB-13 is available at Aetrix Electronics and suitable for industrial motor drives, universal-input AC/DC power supplies, LED streetlight drivers, and PLC power input stages requiring stable component supply and long-lifecycle support.
Supply support for S5MB-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 S5MB-13 belongs to Diodes' standard recovery rectifier product line, engineered for cost-sensitive, high-reliability line-frequency rectification in industrial and commercial power conversion systems.
FAQ
What is the maximum allowable junction temperature for continuous operation of the S5MB-13?
The S5MB-13 has an operating junction temperature range of –65°C to +150°C. For continuous operation at rated 5.0 A average current, the device must be mounted on a PCB with ≥5.0 mm² copper pad area to maintain junction temperature ≤+120°C per datasheet derating curves. Exceeding +150°C risks permanent parametric shift or metallization failure.
Can the S5MB-13 be used in place of a fast recovery diode in a PFC boost stage?
No. The S5MB-13 is a standard recovery rectifier with ~2.5 µs reverse recovery time (trr), unsuitable for active PFC boost stages operating at 50–100 kHz. Fast recovery diodes (e.g., <500 ns trr) or SiC Schottky diodes are required to minimize switching losses and EMI in such topologies.
Is the S5MB-13 qualified to AEC-Q101 for automotive use?
No. The S5MB-13 is a commercial-grade part. While Diodes offers AEC-Q101-qualified variants in the same SMB package (e.g., S5MBQ-13), the S5MB-13 itself lacks PPAP documentation, IATF 16949 manufacturing certification, and automotive-specific test reports. It is not recommended for automotive powertrain or safety-critical systems.
How does the SMB package of the S5MB-13 compare thermally to the DO-214AA (SMC) package?
The SMB package delivers lower junction-to-lead thermal resistance (8 °C/W vs. ~12 °C/W for DO-214AA) due to shorter internal bond wire paths and optimized leadframe geometry. This enables higher power density in PCB-constrained layouts, though DO-214AA offers greater absolute power dissipation capability via larger copper land area.
S5MB-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 V
- Current - Average Rectified (Io):
- 5A
- Voltage - Forward (Vf) (Max) @ If:
- 1.15 V @ 5 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 10 µA @ 1000 V
- Capacitance @ Vr, F:
- 28pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -65°C ~ 150°C
S5MB-13 FAQ
1.How can I place an order for S5MB-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for S5MB-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 S5MB-13 reliable?
The price and inventory of S5MB-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S5MB-13 is usually 5 days.
3.What payment methods are accepted for S5MB-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S5MB-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S5MB-13?
S5MB-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S5MB-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 S5MB-13?
For technical support, including S5MB-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S5MB-13 requirements.
6.How does Aetrix verify that S5MB-13 is sourced from the original manufacturer or authorized distributors?
All S5MB-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 S5MB-13 meets industry standards.
7.What is the process for return or replacement of S5MB-13?
All S5MB-13 units undergo pre-shipment inspection (PSI). If there is an issue with S5MB-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 S5MB-13 part is unused and in its original packaging.
Return procedure for S5MB-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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