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Diodes Incorporated RS1GB-13
- Part No.:
- RS1GB-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
RS1GB-13.pdf
- Description:
- DIODE GEN PURP 400V 1A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:8,643
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Product details
Overview
RS1GB-13 from Diodes Incorporated is a 400 V, 1.0 A surface-mount fast recovery rectifier in SMA package, featuring 150 ns reverse recovery time, 1.3 V forward voltage at 1.0 A, and 30 A non-repetitive surge capability - deployed in AC/DC front-end stages of compact power adapters and LED drivers.
For engineers reviewing the RS1GB-13 datasheet, RS1GB-13 pinout, RS1GB-13 application, or RS1GB-13 equivalent, key selection criteria include peak repetitive reverse voltage (400 V), fast recovery performance (150 ns), thermal resistance (20 °C/W), RoHS-compliant lead-free finish, and compatibility with automated SMT assembly.
Technical Context
This device is a single-phase, silicon planar epitaxial fast recovery rectifier with glass-passivated die construction. It operates under resistive or inductive loads at 60 Hz, with derating required for capacitive loads (−20% current rating).
Designed for high-efficiency switching power supplies, it delivers low conduction loss (VF = 1.3 V @ 1.0 A) and rapid turn-off (trr = 150 ns), minimizing switching losses in 50–100 kHz SMPS topologies where diode reverse recovery directly impacts MOSFET stress and EMI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - Maximum repetitive reverse voltage; defines safe blocking capability in bridge or flyback output rectification. |
| IO | 1.0 A @ TT = 120 °C - Continuous average forward current; sets thermal design margin for PCB copper area and ambient temperature. |
| trr | 150 ns - Measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables stable operation in 50–100 kHz flyback and forward converters. |
| VF | 1.3 V @ IF = 1.0 A - Forward voltage drop; determines conduction loss (1.3 W max at full load) and heatsink requirements. |
| RθJT | 20 °C/W - Junction-to-terminal thermal resistance; used to calculate junction temperature rise above PCB pad temperature. |
| IFSM | 30 A @ 8.3 ms half-sine - Surge rating; withstands inrush currents during cold-start of offline SMPS without degradation. |
Pinout & Package
SMA package (DO-214AC): molded plastic case, UL 94V-0 rated, cathode indicated by band on body; terminals are solder-plated for MIL-STD-202 compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to transformer secondary or switch node; must handle full load current and transient surges. |
| Cathode | Forward current exit / reverse blocking terminal | Connected to output capacitor or ground return; polarity marking (band) ensures correct orientation in automated placement. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die | Enables stable long-term reliability under humidity and thermal cycling; eliminates need for conformal coating in industrial environments. |
| Fast recovery (150 ns) | Reduces reverse recovery charge (Qrr) and associated switching losses, lowering MOSFET voltage spikes in flyback snubberless designs. |
| Lead-free / RoHS compliant | Meets EU Directive Annex exemptions for high-temp solder; supports global manufacturing without process requalification. |
| Automated assembly compatible | Standard SMA footprint and tape-and-reel packaging (5000/reel) enable direct integration into high-speed pick-and-place lines. |
Applications
| AC-DC Adapter Output Rectification | LED Driver Secondary Side |
|---|---|
Use Scenario: 12 V/1 A isolated flyback converter powering USB-C PD accessories. IC Role / Device Role: Output rectifier converting high-frequency transformer secondary AC to regulated DC. Use Value: 150 ns trr minimizes cross-conduction loss with synchronous rectifier control ICs and reduces EMI filter size. | Use Scenario: Constant-current LED driver for commercial downlights (24 V, 700 mA). IC Role / Device Role: Secondary-side freewheeling diode in buck-derived topology. Use Value: 1.3 V VF limits conduction loss to <1 W, enabling thermally constrained aluminum-core PCB layouts. |
| Industrial Sensor Power Supply | Smart Home Hub Power Stage |
Use Scenario: 5 V/0.5 A auxiliary supply derived from 24 V DC input via flyback. IC Role / Device Role: Isolated output rectifier handling variable load transients. Use Value: 30 A IFSM sustains repeated hot-plug events without parametric shift or bond-wire failure. | Use Scenario: Multi-rail power management in Wi-Fi 6 IoT gateway with standby + active modes. IC Role / Device Role: Primary-side clamp diode in RCD snubber network. Use Value: 400 V VRRM provides 2× margin over 264 VAC line peaks, ensuring robustness against line surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R04 | Same VRRM (400 V), slightly higher VF (1.35 V), longer trr (200 ns), SMB package. | Higher thermal resistance (25 °C/W) requires larger pad; less suitable for ultra-thin adapters. | Prefer when board space allows SMB footprint and higher surge margin is needed (IFSM = 40 A). |
| ON Semi MUR140 | VRRM = 400 V, trr = 50 ns (faster), but VF = 1.45 V and RθJT = 22 °C/W. | Superior speed benefits high-frequency PFC stages, but higher conduction loss increases thermal load. | Choose only if system operates >200 kHz and thermal headroom exceeds 15 °C. |
Compared with STTH1R04 and MUR140, RS1GB-13 offers optimal balance of speed (150 ns), conduction loss (1.3 V), and thermal performance (20 °C/W) in the SMA footprint - making it preferred for cost-sensitive, space-constrained 50–100 kHz AC/DC designs.
Availability
RS1GB-13 is available at Aetrix Electronics and suitable for AC/DC adapters, LED drivers, and industrial sensor power supplies requiring stable component supply, consistent parametric performance, and RoHS-compliant sourcing.
Supply support for RS1GB-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 centers across Asia and manufacturing in China, Taiwan, and the US.
RS1GB-13 belongs to the RS1x fast recovery rectifier product line, engineered specifically for high-efficiency, compact off-line power conversion in consumer and industrial applications up to 100 kHz switching frequency.
FAQ
What is the maximum operating junction temperature for RS1GB-13?
The RS1GB-13 has an operating junction temperature range of −65 °C to +150 °C. Its thermal resistance (RθJT = 20 °C/W) means that at 1.0 A DC load and 1.3 V forward drop, junction temperature rise above the terminal temperature is 26 °C - allowing reliable operation up to 124 °C ambient when mounted on ≥1 cm² 2-oz copper.
Is RS1GB-13 suitable for use in synchronous rectification circuits?
No - RS1GB-13 is a passive silicon rectifier, not a synchronous rectifier controller or MOSFET. However, its 150 ns trr makes it compatible as a freewheeling or clamp diode alongside synchronous rectifier ICs like MP6908, where fast turn-off prevents shoot-through during gate drive transitions.
Does RS1GB-13 require derating for capacitive loads?
Yes - per datasheet Note 1, the average rectified current rating must be reduced by 20% when used with capacitive loads (e.g., bulk input filtering). At 25 °C ambient, this lowers the usable IO from 1.0 A to 0.8 A to prevent excessive peak current stress and thermal runaway.
Can RS1GB-13 replace RS1JB-13 in the same PCB layout?
No - RS1JB-13 uses the SMB (DO-214AA) package, while RS1GB-13 uses SMA (DO-214AC); their footprints differ significantly (SMB is wider and longer). The pin-to-pin spacing and pad dimensions are incompatible without PCB redesign, though both share identical electrical specs except for thermal resistance (SMB: 15 °C/W).
RS1GB-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 400 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):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 400 V
- Capacitance @ Vr, F:
- 15pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -65°C ~ 150°C
RS1GB-13 FAQ
1.How can I place an order for RS1GB-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for RS1GB-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 RS1GB-13 reliable?
The price and inventory of RS1GB-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS1GB-13 is usually 5 days.
3.What payment methods are accepted for RS1GB-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS1GB-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS1GB-13?
RS1GB-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS1GB-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 RS1GB-13?
For technical support, including RS1GB-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS1GB-13 requirements.
6.How does Aetrix verify that RS1GB-13 is sourced from the original manufacturer or authorized distributors?
All RS1GB-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 RS1GB-13 meets industry standards.
7.What is the process for return or replacement of RS1GB-13?
All RS1GB-13 units undergo pre-shipment inspection (PSI). If there is an issue with RS1GB-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 RS1GB-13 part is unused and in its original packaging.
Return procedure for RS1GB-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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