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Diodes Incorporated B3100BE-13
- Part No.:
- B3100BE-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
B3100BE-13.pdf
- Description:
- DIODE SCHOTTKY 100V 3A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:6,548
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Product details
Overview
B3100BE-13 from Diodes Incorporated is a 100 V, 3.0 A surface-mount Schottky barrier rectifier in SMB package, featuring 0.79 V max forward voltage at 3 A and 0.30 mA max reverse leakage at 100 V/25°C. It delivers low conduction loss and stable high-temperature leakage performance for DC-DC boost stages, solar panel blocking, and motor recirculation paths in industrial power supplies.
For engineers reviewing the B3100BE-13 datasheet, B3100BE-13 pinout, B3100BE-13 application, or B3100BE-13 equivalent, key selection criteria include peak repetitive reverse voltage (100 V), average forward current rating (3.0 A), thermal resistance junction-to-ambient (90 °C/W), and RoHS-compliant matte tin terminations on copper leadframe.
Technical Context
This Schottky rectifier uses a planar metal-silicon junction optimized for low VF and controlled IR drift over temperature. Its 100 V VRRM rating supports input-stage rectification in 48 V bus systems and flyback snubbers where voltage margin above nominal rail is required.
Thermal design relies on its SMB package's 90 °C/W RθJA (FR-4, 1"×1", 2 oz Cu) and 50 °C/W RθJC, enabling sustained 3 A operation with minimal heatsinking in ambient temperatures up to +125°C when derated per Figure 4.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Withstands repetitive reverse voltage up to 100 V without breakdown; suitable for 48 V input systems with 2× safety margin. |
| IO(AV) | 3.0 A - Continuous average forward current at TA = +25°C; requires thermal derating above 25°C per Figure 4. |
| VF(max) | 0.79 V @ 3 A, +25°C - Low conduction loss improves efficiency in high-current switching paths like boost diodes. |
| IR(max) | 0.30 mA @ 100 V, +25°C - Tight leakage spec ensures stability in high-impedance blocking applications at room temperature. |
| RθJA | 90 °C/W - Junction-to-ambient thermal resistance on standard FR-4 PCB; defines minimum copper area needed for thermal management. |
| Package | SMB - Surface-mount plastic case (3.3–3.94 mm × 4.06–4.57 mm), UL 94V-0 rated, moisture sensitivity Level 1. |
Pinout & Package
SMB package with cathode band marking on top surface; two-terminal device with anode and cathode leads formed for gull-wing surface mounting. Polarity identified by molded cathode band; terminals are matte tin annealed over copper leadframe, solderable per MIL-STD-202, Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential node (e.g., switch node in boost converter); must handle full IO and IFSM surge. |
| Cathode | Forward current exit / reverse voltage reference | Connected to output rail or ground return; marked by visible band; carries full load current and defines reverse bias path. |
Key Features
| Feature | Design Value |
|---|---|
| Low VF at high current | 0.79 V max @ 3 A enables >95% efficiency in 12–48 V boost converters with minimal thermal rise. |
| Controlled high-temp IR | 0.30 mA @ 25°C and stable leakage up to +150°C prevents thermal runaway in enclosed industrial enclosures. |
| RoHS & Green compliant | Lead-free, halogen-free (<900 ppm Br/Cl, <1000 ppm Sb), UL 94V-0 molding compound meets global environmental mandates. |
| SMB mechanical robustness | 0.093 g weight, J-STD-020 Level 1 moisture sensitivity, and 100 A non-repetitive surge rating support automated assembly and field reliability. |
Applications
| Boost Diode | Blocking Diode |
|---|---|
Use Scenario: Used in non-isolated DC-DC boost converters for industrial sensors and LED drivers operating from 12–48 V input rails. IC Role / Device Role / Timing Role: Freewheeling path during MOSFET off-time; clamps inductive kickback and transfers stored energy to output capacitor. Use Value: 0.79 V VF minimizes conduction loss across duty cycles; 100 V VRRM accommodates 2× input transients without avalanche stress. | Use Scenario: Placed between photovoltaic strings and charge controller to prevent reverse current flow at night or under partial shading. IC Role / Device Role / Timing Role: Unidirectional current gate; blocks reverse voltage while passing forward current only during daylight generation. Use Value: 0.30 mA IR at 25°C ensures negligible standby power loss; stable leakage at elevated ambient preserves battery life in outdoor solar installations. |
| Recirculating Diode | Output Rectifier |
Use Scenario: Mounted across brushed DC motor windings or solenoid coils in factory automation actuators. IC Role / Device Role / Timing Role: Provides low-impedance path for inductive energy dissipation when drive signal is removed. Use Value: 100 A IFSM rating handles repeated turn-off surges; SMB footprint allows dense placement near motor driver ICs. | Use Scenario: Secondary-side rectifier in isolated flyback or forward converters powering PLC I/O modules and communication interfaces. IC Role / Device Role / Timing Role: Converts transformer secondary AC to regulated DC output; operates in discontinuous or continuous conduction mode. Use Value: 3.0 A IO rating supports 24 V/2 A outputs; 90 °C/W RθJA enables operation without heatsink on standard PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SS310H-TP (Micro Commercial) | Same SMB package, 100 V/3 A, VF = 0.85 V max @ 3 A, IR = 0.5 mA @ 100 V/25°C | Higher VF increases conduction loss; higher IR reduces blocking efficiency in low-power standby circuits | Select if cost-sensitive and thermal budget allows +0.06 V VF penalty; verify IR impact in high-temp solar blocking. |
| SB3100-E3/57T (Vishay) | SMC package (larger footprint), same 100 V/3 A, VF = 0.82 V max @ 3 A, IR = 0.3 mA @ 100 V/25°C | SMC offers lower RθJA (70 °C/W) but requires more board area; identical electrical specs otherwise | Select when thermal performance is critical and PCB space permits SMC; avoid if SMB footprint is fixed in layout. |
Compared with SS310H-TP and SB3100-E3/57T, B3100BE-13 provides the lowest VF (0.79 V) in SMB form factor and best IR stability at 25°C (0.30 mA), making it optimal for space-constrained, efficiency-critical boost and blocking roles where thermal margin is limited.
Availability
B3100BE-13 is available at Aetrix Electronics and suitable for industrial power supplies, solar charge controllers, motor drive protection circuits, and DC-DC converter designs requiring stable component supply and long-term manufacturability.
Supply support for B3100BE-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, serving industrial, computing, consumer, and communications markets with high-reliability components.
The B3xxxBE series belongs to Diodes' general-purpose Schottky rectifier product line, engineered specifically for high-efficiency, high-temperature-stable rectification in compact surface-mount power conversion stages.
FAQ
What is the maximum junction temperature for B3100BE-13?
The absolute maximum junction temperature is +150°C, with continuous operation supported from –55°C to +150°C. Derating begins at +25°C ambient per Figure 4; at +100°C ambient, the usable DC forward current drops to approximately 1.5 A on standard FR-4 PCB.
Is B3100BE-13 suitable for use in automotive applications?
B3100BE-13 is not AEC-Q200 qualified and lacks automotive-specific qualification testing. While its –55°C to +150°C operating range overlaps with under-hood environments, Diodes Incorporated does not endorse or guarantee its use in automotive safety-critical systems without additional customer validation.
Does B3100BE-13 have a specified junction capacitance?
Yes - typical junction capacitance CT is 105 pF at VR = 4.0 V and f = 1 MHz, as measured in the Electrical Characteristics table. This value impacts high-frequency switching noise and EMI filtering requirements in fast-switching converters.
Can B3100BE-13 be used in parallel configurations?
Parallel operation is not recommended due to mismatch in forward voltage characteristics between units, which causes current imbalance and potential thermal runaway. For higher current needs, select a single higher-rated device such as B5100BE-13 (5 A) or use active current-sharing circuitry.
B3100BE-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 790 mV @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 300 µA @ 100 V
- Capacitance @ Vr, F:
- 105pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -55°C ~ 150°C
B3100BE-13 FAQ
1.How can I place an order for B3100BE-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for B3100BE-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 B3100BE-13 reliable?
The price and inventory of B3100BE-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for B3100BE-13 is usually 5 days.
3.What payment methods are accepted for B3100BE-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for B3100BE-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for B3100BE-13?
B3100BE-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your B3100BE-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 B3100BE-13?
For technical support, including B3100BE-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your B3100BE-13 requirements.
6.How does Aetrix verify that B3100BE-13 is sourced from the original manufacturer or authorized distributors?
All B3100BE-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 B3100BE-13 meets industry standards.
7.What is the process for return or replacement of B3100BE-13?
All B3100BE-13 units undergo pre-shipment inspection (PSI). If there is an issue with B3100BE-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 B3100BE-13 part is unused and in its original packaging.
Return procedure for B3100BE-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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