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Diodes Incorporated RS1MB-13-F
- Part No.:
- RS1MB-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
RS1MB-13-F.pdf
- Description:
- DIODE GEN PURP 1KV 1A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:442,037
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Product details
Overview
RS1MB-13-F from Diodes Incorporated is a surface-mount fast recovery rectifier diode in SMB package, rated for 1000 V peak repetitive reverse voltage, 1.0 A average forward current, and 150 ns reverse recovery time. It features glass-passivated die construction, 30 A non-repetitive surge capability, and RoHS-compliant lead-free finish-used in offline AC/DC input stages of industrial power supplies and LED drivers.
For engineers reviewing the RS1MB-13-F datasheet, RS1MB-13-F pinout, RS1MB-13-F application, or RS1MB-13-F equivalent, key selection criteria include reverse voltage margin, thermal resistance (20 °C/W), fast recovery performance under high-frequency switching, and SMB package compatibility with automated SMT assembly lines.
Technical Context
This device operates as a unidirectional silicon junction rectifier optimized for high-efficiency, high-voltage AC-to-DC conversion. Its 1000 V VRRM rating supports universal-input (85–265 VAC) front-end designs, while the 150 ns tRR enables operation up to ~100 kHz without excessive switching loss.
The SMB package provides higher thermal mass than SMA, supporting 1.0 A IO at TT = +120°C with verified 20 °C/W junction-to-terminal thermal resistance. Reverse leakage remains ≤5.0 µA at 25°C and ≤200 µA at 125°C, ensuring stable blocking in elevated ambient environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Supports full-wave rectification of 700 VDC bus or 600 VAC line inputs with safety margin. |
| IO (at TT = +120°C) | 1.0 A - Continuous DC output current capability with standard heatsinking via PCB copper pour. |
| tRR | 150 ns - Enables efficient operation in 50–100 kHz SMPS input stages without tail current losses. |
| VFM @ 1.0 A | 1.3 V - Forward conduction loss of 1.3 W at rated current, manageable with SMB thermal path. |
| IFSM (8.3 ms) | 30 A - Withstands cold-start inrush into bulk capacitors without degradation. |
| RθJT | 20 °C/W - Junction-to-terminal thermal resistance confirms effective heat transfer to PCB pad. |
| IRM @ 125°C | 200 µA - Low high-temperature leakage preserves efficiency in enclosed, thermally stressed enclosures. |
Pinout & Package
SMB (DO-214AA) surface-mount plastic package with cathode band marking; dual-terminal configuration (anode and cathode) on gull-wing leads. Molded UL 94V-0 plastic case; matte tin annealed copper alloy leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry node | Connected to AC input phase or transformer secondary; must withstand full reverse voltage when cathode is biased positive. |
| Cathode | Forward current exit node / polarity reference | Marked with band; ties to bulk capacitor positive rail; defines output polarity in bridge or single-diode configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Eliminates surface contamination sensitivity, enabling stable long-term reliability in humid or contaminated environments. |
| 150 ns reverse recovery | Reduces switching loss and EMI generation compared to standard recovery diodes in high-frequency rectifiers. |
| 30 A surge rating | Accommodates repeated line-voltage transients and capacitor-charging surges without parameter shift or failure. |
| RoHS 3 & "Green" compliant | Meets Br+Cl <1500 ppm and Sb <1000 ppm requirements-qualified for automotive and industrial green procurement programs. |
Applications
| Industrial AC/DC Power Supplies | LED Driver Input Rectification |
|---|---|
Use Scenario: Off-line 100–200 W power supply for PLC I/O modules with universal AC input (85–265 VAC). IC Role / Device Role / Timing Role: Primary-side fast recovery rectifier in voltage-doubler or bridge configuration. Use Value: 1000 V VRRM ensures margin against 1.414 × 265 VAC peaks plus line surges; 150 ns tRR minimizes switching loss at 65 kHz PFC stage. |
Use Scenario: Constant-current LED driver for street lighting operating from 230 VAC mains. IC Role / Device Role / Timing Role: Input rectifier feeding bulk capacitor and downstream flyback controller. Use Value: 30 A IFSM handles repeated cold-start surges into large electrolytic banks; SMB package allows compact layout with adequate thermal relief. |
| Switched-Mode Power Adapter Inputs | Industrial Motor Control Auxiliary Supplies |
Use Scenario: 65 W laptop adapter with active PFC and LLC resonant output stage. IC Role / Device Role / Timing Role: Fast recovery diode in boost PFC rectifier leg. Use Value: Low 1.3 V VFM reduces conduction loss at high average current; 20 °C/W RθJT enables thermal stability on 2 oz copper layers. |
Use Scenario: Auxiliary 24 V DC supply for gate drivers and logic in 3-phase inverter drives. IC Role / Device Role / Timing Role: Isolated auxiliary rectifier fed from control transformer. Use Value: 1000 V rating accommodates reflected transients from IGBT switching; RoHS/Green compliance meets industrial equipment environmental mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R06S | Same SMB package, 600 V VRRM, 150 ns tRR, but lower voltage rating. | Restricted to 400 VAC systems; unsuitable for universal-input or 600 VDC bus designs. | Select only if system peak reverse stress stays below 420 VDC. |
| ES1J-M3/84A | SMB package, 600 V VRRM, 35 ns tRR, lower VF (1.7 V), higher IR at 125°C (500 µA). | Better for ultra-high-frequency (>300 kHz) topologies but sacrifices voltage margin and high-temp leakage performance. | Prefer where speed outweighs voltage headroom and thermal leakage is actively managed. |
Compared with STTH1R06S and ES1J-M3/84A, RS1MB-13-F uniquely balances 1000 V robustness, 150 ns recovery, and low 125°C leakage-making it optimal for universal-input industrial power where voltage margin and thermal stability are prioritized over extreme speed.
Availability
RS1MB-13-F is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input stages, and switched-mode adapter inputs requiring stable component supply across multi-year production cycles.
Supply support for RS1MB-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 and manufacturing operations across Asia and the Americas.
RS1MB-13-F belongs to the RS1x/B fast recovery rectifier product line, engineered specifically for high-voltage, high-reliability AC/DC front-end rectification in industrial, computing, and lighting power systems.
FAQ
What is the maximum junction temperature for RS1MB-13-F?
The absolute maximum junction temperature is +150°C, with continuous operation rated up to +120°C terminal temperature. Derating curves in the datasheet confirm 1.0 A IO is sustainable at TT = +120°C, provided thermal resistance to ambient remains ≤35 °C/W including PCB contribution.
Is RS1MB-13-F suitable for use in a full-wave bridge configuration?
Yes-RS1MB-13-F is rated for single-phase, half-wave operation per datasheet test conditions, but its 1000 V VRRM and 30 A IFSM make it fully suitable for discrete full-wave bridge layouts. Each diode sees ≤707 V peak reverse voltage in a 500 VAC bridge, well within rating.
Does RS1MB-13-F have a specified avalanche energy rating?
No-RS1MB-13-F is not characterized for repetitive avalanche operation. Its 30 A IFSM rating applies only to non-repetitive 8.3 ms half-sine surges. For circuits subject to repetitive overvoltage transients, external clamping (e.g., MOV or TVS) is required.
How does the SMB package of RS1MB-13-F compare thermally to the SMA version (RS1M-13-F)?
RS1MB-13-F in SMB has 0.093 g mass and larger copper exposure versus RS1M-13-F (SMA, 0.064 g), yielding lower thermal resistance: RθJT is 20 °C/W for SMB vs. 25 °C/W for SMA. This allows 1.0 A IO at +120°C terminal temperature with less PCB copper area.
RS1MB-13-F 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):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 500 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Capacitance @ Vr, F:
- 15pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS1MB-13-F FAQ
1.How can I place an order for RS1MB-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for RS1MB-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 RS1MB-13-F reliable?
The price and inventory of RS1MB-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 RS1MB-13-F is usually 5 days.
3.What payment methods are accepted for RS1MB-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS1MB-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS1MB-13-F?
RS1MB-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS1MB-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 RS1MB-13-F?
For technical support, including RS1MB-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS1MB-13-F requirements.
6.How does Aetrix verify that RS1MB-13-F is sourced from the original manufacturer or authorized distributors?
All RS1MB-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 RS1MB-13-F meets industry standards.
7.What is the process for return or replacement of RS1MB-13-F?
All RS1MB-13-F units undergo pre-shipment inspection (PSI). If there is an issue with RS1MB-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 RS1MB-13-F part is unused and in its original packaging.
Return procedure for RS1MB-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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