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Diodes Incorporated FR1B-13
- Part No.:
- FR1B-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
FR1B-13.pdf
- Description:
- DIODE FAST SMA 100V 150NS 150C
- Quantity:
- Payment:
- Shipping:
Inventory:2,240
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Product details
Overview
FR1B-13 from Diodes Incorporated is a glass passivated fast recovery rectifier diode rated for 100 V maximum recurrent peak reverse voltage, 1.0 A average forward rectified current at 75°C, and 150 ns reverse recovery time; it delivers low forward voltage drop (1.3 V @ 1.0 A) and operates across –65°C to +175°C for surface-mounted power conversion in AC/DC adapters and DC/DC converters.
For engineers reviewing the FR1B-13 datasheet, FR1B-13 pinout, FR1B-13 application, or FR1B-13 equivalent, key selection criteria include its SMB package thermal resistance (30°C/W), junction capacitance (15 pF), surge current rating (30 A), polarity marking (cathode band), and compliance with MIL-STD-19500 high-reliability standards.
Technical Context
This discrete silicon rectifier uses a glass-passivated PN junction to achieve fast switching with controlled reverse recovery behavior under 60 Hz half-wave resistive/inductive loads. Its 150 ns trr and 1.3 V VF at 1.0 A support efficient low-voltage, medium-current rectification where thermal management and EMI reduction are critical.
The device is optimized for surface-mount assembly with UL 94V-0 molded plastic case and solderable terminals per MIL-STD-202 Method 208. Mounting position is unrestricted, and it withstands 265°C solder bath immersion for 10 seconds - confirming robust reflow compatibility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum sustainable reverse voltage before breakdown; defines safe operating margin in 48 V or 72 V input rectifier stages. |
| I(AV) | 1.0 A @ TA = 75°C - Continuous DC output capability after derating; supports ~12 W power delivery in compact SMPS designs. |
| trr | 150 ns - Measured at IF = 0.5 A, IR = 1 A, IRR = 0.25 A; enables operation up to ~1 MHz switching frequencies with minimal switching loss. |
| VF | 1.3 V @ 1.0 A - Forward conduction loss directly impacts efficiency and thermal rise in high-duty-cycle applications. |
| RJL | 30 °C/W - Thermal resistance from junction to lead with 6.0 mm² copper pad; determines temperature rise under 1.0 A load without heatsink. |
| CJ | 15 pF @ 4.0 V, 1.0 MHz - Junction capacitance affects high-frequency noise coupling and snubber design in flyback converters. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, molded plastic case with cathode band polarity marking; dimensions: 3.30–3.94 mm (L) × 4.00–4.65 mm (W) × 1.95–2.21 mm (H); weight ≈ 0.093 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC input or transformer secondary; must handle full surge current (30 A) during startup. |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; connects to output filter capacitor; sustains 100 V reverse bias continuously. |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery time | 150 ns - Reduces switching losses and EMI in high-frequency SMPS, enabling smaller passive filtering components. |
| Glass passivated junction | Enhanced moisture resistance and long-term reliability vs. epoxy-passivated alternatives; qualified per MIL-STD-19500. |
| SMB package thermal performance | 30 °C/W junction-to-lead - Enables 1.0 A operation at 75°C ambient without external heatsinking on standard PCB copper. |
| High surge current rating | 30 A (8.3 ms half-sine) - Withstands inrush currents in offline power supplies and motor drive front-ends. |
Applications
| AC/DC Power Adapters | DC/DC Converter Outputs |
|---|---|
Use Scenario: Rectifying 50/60 Hz or high-frequency AC from transformer secondaries in wall-wart adapters delivering 5–12 V/1 A. IC Role / Device Role / Timing Role: Primary unidirectional current path; blocks reverse voltage while conducting forward current during positive half-cycles. Use Value: Low VF (1.3 V) minimizes conduction loss and thermal stress; SMB footprint allows dense layout in space-constrained enclosures. | Use Scenario: Output rectification in isolated flyback or forward converters powering industrial sensors or IoT nodes. IC Role / Device Role / Timing Role: Synchronous or freewheeling rectifier; recovers quickly to suppress voltage spikes and reduce RFI. Use Value: 150 ns trr limits reverse recovery charge (Qrr), lowering switching loss and improving efficiency above 100 kHz. |
| Automotive Body Control Modules | Industrial PLC Input Protection |
Use Scenario: Reverse polarity protection and supply rectification in 12 V/24 V BCM sub-systems exposed to load dump transients. IC Role / Device Role / Timing Role: Unidirectional clamp; conducts normal supply current while blocking reverse faults up to 100 V. Use Value: 30 A surge rating absorbs ISO 7637-2 pulse 5a transients; –65°C to +175°C rating ensures under-hood reliability. | Use Scenario: Input-stage rectification and transient suppression for 24 V DC inputs in programmable logic controllers. IC Role / Device Role / Timing Role: Front-end bridge or half-wave rectifier; filters incoming AC ripple and blocks reverse feed from backplane. Use Value: Glass passivation prevents leakage degradation in humid environments; UL 94V-0 housing meets industrial fire safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RS1BB-13 | Same SMB package, 100 V VRRM, but faster trr = 100 ns and lower VF = 1.1 V; higher cost. | Better suited for >200 kHz SMPS where Qrr reduction is critical; less margin for surge-limited designs. | Choose RS1BB-13 when optimizing for efficiency over surge robustness; verify layout thermal relief matches lower VF. |
| ES1B-13 | Same VRRM and I(AV), but ultrafast trr = 35 ns and higher VF = 1.7 V; different junction construction. | Preferred in PFC boost diodes or resonant LLC rectifiers requiring minimal reverse recovery charge. | Select ES1B-13 only if system-level EMI testing confirms benefit of sub-50 ns trr; avoid where conduction loss dominates thermal budget. |
Compared with RS1BB-13 and ES1B-13, FR1B-13 offers balanced trade-offs: moderate trr and VF enable cost-sensitive, thermally constrained designs where 150 ns recovery suffices and 30 A surge immunity is essential - making it optimal for general-purpose offline and industrial rectification.
Availability
FR1B-13 is available at Aetrix Electronics and suitable for AC/DC adapters, DC/DC converter outputs, and automotive body control modules requiring stable component supply and long-term manufacturing continuity.
Supply support for FR1B-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 and manufacturing operations across Asia and the US.
The FR1x series belongs to Diodes' general-purpose fast recovery rectifier product line, engineered for reliable, cost-effective AC/DC and DC/DC power conversion in consumer, industrial, and automotive applications.
FAQ
What is the maximum allowable junction temperature for FR1B-13?
The FR1B-13 has a specified operating junction temperature range of –65°C to +175°C. Its absolute maximum TJ is +175°C, and sustained operation above this limit risks permanent parametric shift or catastrophic failure. Derating curves in DS15003 confirm 1.0 A I(AV) is valid only up to 75°C ambient - higher temperatures require proportional current reduction based on RJL = 30°C/W.
Is FR1B-13 suitable for use in synchronous rectification topologies?
No - FR1B-13 is a passive, uncontrolled PN-junction rectifier and lacks gate control or bidirectional conduction capability required for synchronous rectification. It functions only as a freewheeling or output rectifier in non-synchronous topologies like standard flyback or forward converters where MOSFETs are not used in the rectification path.
Does FR1B-13 meet RoHS and REACH compliance?
Yes - FR1B-13 is RoHS-compliant (Pb-free, halogen-free per Diodes Inc. specification) and conforms to REACH SVHC thresholds. Full material declarations and test reports are available under Diodes' Part Number Compliance Portal using the exact orderable part number FR1B-13.
Can FR1B-13 replace FR1A-13 in an existing design?
Yes - FR1B-13 is a direct upgrade from FR1A-13, sharing identical SMB package, pinout, and thermal characteristics, but with higher VRRM (100 V vs. 50 V) and same trr (150 ns). No layout or thermal redesign is needed; however, verify that increased reverse voltage rating does not affect snubber or clamping network component selection.
FR1B-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):
- 100 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 @ 100 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -65°C ~ 175°C
FR1B-13 FAQ
1.How can I place an order for FR1B-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for FR1B-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 FR1B-13 reliable?
The price and inventory of FR1B-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FR1B-13 is usually 5 days.
3.What payment methods are accepted for FR1B-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FR1B-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FR1B-13?
FR1B-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FR1B-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 FR1B-13?
For technical support, including FR1B-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FR1B-13 requirements.
6.How does Aetrix verify that FR1B-13 is sourced from the original manufacturer or authorized distributors?
All FR1B-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 FR1B-13 meets industry standards.
7.What is the process for return or replacement of FR1B-13?
All FR1B-13 units undergo pre-shipment inspection (PSI). If there is an issue with FR1B-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 FR1B-13 part is unused and in its original packaging.
Return procedure for FR1B-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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