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Diodes Incorporated RS1M-13
- Part No.:
- RS1M-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
RS1M-13.pdf
- Description:
- DIODE GEN PURP 1KV 1A SMA
- Quantity:
- Payment:
- Shipping:
Inventory:3,644
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Product details
Overview
RS1M-13 from Diodes Incorporated is a 1.0A surface-mount fast recovery rectifier with 1000V peak repetitive reverse voltage, 1.3V maximum forward voltage at 1.0A, and 150ns reverse recovery time, designed for high-efficiency AC/DC front-end rectification in offline power supplies and LED drivers.
For engineers reviewing the RS1M-13 datasheet, RS1M-13 pinout, RS1M-13 application, or RS1M-13 equivalent, key selection criteria include VRRM rating, tRR performance under switching conditions, thermal resistance (20°C/W), surge capability (30A @ 8.3ms), and RoHS-compliant green packaging compatibility with automated SMT assembly.
Technical Context
This device operates as a unidirectional silicon PN junction rectifier optimized for fast switching in 50/60Hz and higher-frequency line-frequency applications. Its glass-passivated die construction ensures stable reverse leakage (<5µA @ 25°C) and robust surge tolerance up to 30A peak.
The SMA package enables compact board layout with low thermal resistance (RθJT = 20°C/W) and supports operation from –65°C to +150°C. Reverse recovery is characterized under standardized conditions (IF = 0.5A, IR = 1.0A, IRR = 0.25A), confirming suitability for flyback and boost converter outputs where diode turn-off loss must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Withstands peak reverse voltage in 120V/230V AC mains-derived circuits without breakdown |
| IO | 1.0 A @ TT = +120°C - Continuous DC output current rating under thermally constrained PCB mounting |
| VFM | 1.3 V @ IF = 1.0A - Forward conduction loss directly impacts efficiency and thermal rise in rectifier stage |
| tRR | 150 ns - Enables reduced switching losses in medium-frequency SMPS designs compared to standard recovery diodes |
| IFSM | 30 A @ 8.3ms - Survives cold-start inrush and transient overloads in industrial power supplies |
| RθJT | 20 °C/W - Junction-to-terminal thermal resistance defines heatsinking requirements for sustained 1A operation |
| IRM | 5.0 µA @ 25°C - Low leakage preserves hold-up capacitance and reduces standby power in offline converters |
Pinout & Package
The RS1M-13 is housed in an SMA (DO-214AC) surface-mount plastic package with cathode band polarity marking. Dimensions: 4.00–4.60 mm length × 2.29–2.92 mm width × 1.27–1.63 mm height (per Diodes Inc. outline drawing).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry terminal | Connected to AC input or transformer secondary; must handle full RMS current and surge transients |
| Cathode | Forward current exit terminal | Connected to bulk capacitor or load; marked by visible band; carries rectified DC output |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Ensures long-term reliability and stable reverse characteristics across temperature and humidity stress |
| Fast recovery (150 ns) | Reduces reverse recovery charge (Qrr) and associated switching losses in 20–100 kHz SMPS topologies |
| 30A surge rating | Supports repeated cold-start events in AC-DC adapters without degradation or failure |
| RoHS-compliant & halogen-free | Meets IPC-1752A material declaration requirements and EU environmental directives for end-of-life recycling |
Applications
| LED Driver Power Supply | Industrial AC-DC Adapter |
|---|---|
Use Scenario: Rectifying 50/60Hz AC input prior to PFC or buck converter stage in constant-current LED drivers. IC Role / Device Role / Timing Role: Primary-side uncontrolled rectifier converting AC line to pulsating DC. Use Value: 1000V VRRM accommodates 230VAC + 30% line surge; 150ns tRR minimizes EMI generation during commutation. | Use Scenario: Input-stage rectification in DIN-rail mounted 24V/48V industrial power supplies. IC Role / Device Role / Timing Role: High-reliability discrete rectifier handling continuous 1A load with intermittent surges. Use Value: 30A IFSM withstands motor startup back-EMF coupling; 20°C/W RθJT enables convection-only cooling on FR4 PCB. |
| Consumer Wall Adapter | Smart Home Power Module |
Use Scenario: Compact 5–12V wall plug-in adapter for IoT sensors and USB peripherals. IC Role / Device Role / Timing Role: Surface-mount bridge replacement in half-wave or full-wave configurations. Use Value: SMA footprint saves board space vs. DO-41; lead-free matte tin finish ensures solder joint integrity in reflow profiles. | Use Scenario: Embedded power conversion in battery-backed smart thermostats and security hubs. IC Role / Device Role / Timing Role: Input rectifier operating intermittently during AC mains backup mode. Use Value: <5µA IRM at 25°C prevents capacitor discharge drift; –65°C to +150°C rating supports wide ambient deployment. |
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 1A/600V rating but 75ns tRR; TO-277 package (lower RθJA) | Better suited for higher-frequency (>100kHz) PFC stages due to faster recovery | Select when optimizing for switching loss over cost; requires different footprint and thermal pad design |
| ON Semi MUR110 | 1A/1000V, 75ns tRR, SMB package; slightly higher VF (1.55V) | Preferred for space-constrained layouts needing SMB's larger pad area and lower thermal impedance | Choose for improved manufacturability on high-volume SMT lines where SMB tape-and-reel logistics are standardized |
Compared with STTH1R06S and MUR110, RS1M-13 offers the lowest forward voltage (1.3V) and smallest SMA footprint among 1000V-rated fast rectifiers, making it optimal for cost-sensitive, thermally constrained, and size-limited AC/DC inputs where 150ns recovery suffices.
Availability
RS1M-13 is available at Aetrix Electronics and suitable for LED driver power supplies, industrial AC-DC adapters, and consumer wall adapters requiring stable component supply and RoHS-compliant manufacturing.
Supply support for RS1M-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 RS1x/B series belongs to Diodes' general-purpose fast recovery rectifier product line, engineered specifically for reliable, high-yield SMT integration in cost-driven offline power conversion systems.
FAQ
What is the maximum junction temperature for RS1M-13 during continuous operation?
The RS1M-13 has an operating junction temperature range of –65°C to +150°C. For continuous 1.0A DC operation, thermal design must ensure junction temperature remains ≤+150°C, typically requiring terminal temperature ≤+120°C per the derating curve in DS15002 Rev. 15–2, Figure 1.
Is RS1M-13 suitable for use in a full-wave bridge configuration?
Yes - RS1M-13 can be used in discrete full-wave bridge rectifiers. Four units provide 1000V PRV and 1.0A average output current. Its SMA package allows dense layout, and its 150ns tRR limits cross-conduction losses when paired with complementary diodes in bridge topology.
Does RS1M-13 require a heatsink for 1A operation at room temperature?
No external heatsink is required for 1A operation at TA = +25°C, provided the PCB provides adequate copper area (≥1 cm² per terminal) and airflow. The 20°C/W RθJT and low power dissipation (~1.3W max) allow conduction cooling in most SMT applications per the derating curve.
How does the "Green" designation impact RS1M-13's compliance status?
The "Green" designation confirms RS1M-13 contains <900ppm bromine, <900ppm chlorine (<1500ppm total Br+Cl), and <1000ppm antimony compounds, satisfying Diodes Incorporated's halogen- and antimony-free specification and enabling compliance with JEDEC J-STD-609B Class 1 and IPC-1752A reporting requirements.
RS1M-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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:
- SMA
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS1M-13 FAQ
1.How can I place an order for RS1M-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for RS1M-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 RS1M-13 reliable?
The price and inventory of RS1M-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS1M-13 is usually 5 days.
3.What payment methods are accepted for RS1M-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS1M-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS1M-13?
RS1M-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS1M-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 RS1M-13?
For technical support, including RS1M-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS1M-13 requirements.
6.How does Aetrix verify that RS1M-13 is sourced from the original manufacturer or authorized distributors?
All RS1M-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 RS1M-13 meets industry standards.
7.What is the process for return or replacement of RS1M-13?
All RS1M-13 units undergo pre-shipment inspection (PSI). If there is an issue with RS1M-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 RS1M-13 part is unused and in its original packaging.
Return procedure for RS1M-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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