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Diodes Incorporated B1100BE-13
- Part No.:
- B1100BE-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
B1100BE-13.pdf
- Description:
- DIODE SCHOTTKY 100V 1A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:9,797
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Product details
Overview
B1100BE-13 from Diodes Incorporated is a 100 V, 1.0 A high-voltage Schottky barrier rectifier in SMB package, optimized for low forward voltage drop (0.79 V @ 1.0 A, +25°C), low leakage current (0.2 mA @ 100 V), and high-frequency operation in DC-DC converters and polarity protection circuits.
For engineers reviewing the B1100BE-13 datasheet, B1100BE-13 pinout, B1100BE-13 application, or B1100BE-13 equivalent, this device serves as a surface-mount, RoHS-compliant, halogen-free Schottky diode with guard ring die construction for transient robustness and automated assembly compatibility.
Technical Context
This Schottky rectifier uses a planar epitaxial structure with guard ring termination to suppress edge breakdown and improve surge immunity. Its low junction capacitance (27 pF @ 4 V, 1 MHz) and fast reverse recovery (inherently near-zero) support high-frequency switching in flyback and buck topologies.
The SMB package provides lower thermal resistance (RθJA = 75°C/W, RθJC = 40°C/W) than SMA, enabling higher power dissipation at elevated ambient temperatures-critical for compact, convection-cooled industrial power supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum repetitive reverse voltage before breakdown; enables use in 48 V bus systems with safety margin. |
| IO | 1.0 A - Average rectified output current; rated for continuous conduction in low-power SMPS. |
| VF Max | 0.79 V @ 1.0 A, +25°C - Low forward drop reduces conduction loss and improves efficiency in low-voltage outputs. |
| IR Max | 0.2 mA @ 100 V, +25°C - Minimal leakage preserves battery life in always-on blocking applications. |
| CT | 27 pF @ 4 V, 1 MHz - Low junction capacitance minimizes switching noise and EMI in high-frequency converters. |
| RθJA | 75°C/W - Thermal resistance from junction to ambient on standard FR-4 PCB; defines derating curve up to +125°C. |
Pinout & Package
Package: SMB (Surface Mount Small Outline), molded plastic case with matte tin-plated terminals, cathode band marking, UL 94V-0 flammability rating, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to input/source side in rectification or freewheeling path; requires adequate copper pour for thermal management. |
| Cathode | Forward current exit / reverse-blocking terminal | Marked by band; ties to load/ground side; must withstand full VRRM during off-state in blocking configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring die construction | Enhances transient voltage immunity and prevents premature edge breakdown under repetitive surge conditions. |
| Low forward voltage (0.79 V) | Reduces power loss by ~30% vs. comparable PN rectifiers, directly improving thermal budget in space-constrained designs. |
| RoHS & Halogen-free compliance | Meets EU RoHS 3 (2015/863/EU) and "Green" requirements (<900 ppm Br/Cl, <1000 ppm Sb), supporting eco-design mandates. |
| SMB package thermal performance | 75°C/W RθJA allows 1.0 A operation up to +105°C ambient without forced cooling on standard PCB layout. |
Applications
| DC-DC Converter Freewheeling Diode | Polarity Protection in 24–48 V Systems |
|---|---|
Use Scenario: Used as the catch diode in non-synchronous buck converters delivering 3.3 V/1 A from a 24 V input. IC Role / Device Role / Timing Role: Freewheeling path for inductor current during high-side switch off-time; conducts continuously at 100 kHz switching frequency. Use Value: 0.79 V VF limits conduction loss to ≤0.79 W, minimizing heatsink requirement and improving efficiency over silicon alternatives. | Use Scenario: Placed in series with power input of industrial IoT gateway to prevent damage from reversed DC supply connection. IC Role / Device Role / Timing Role: Blocking diode that conducts only when polarity is correct; remains reverse-biased during fault condition. Use Value: 100 V VRRM accommodates 48 V nominal systems with 20% tolerance and transient spikes; 0.2 mA IR avoids standby current drain. |
| AC-DC Output Rectification | Re-Circulating Diode in Relay Drivers |
Use Scenario: Output rectifier in isolated 5 V/2 A flyback adapter for medical auxiliary power supplies. IC Role / Device Role / Timing Role: Converts transformer secondary AC to regulated DC; operates at 65 kHz with discontinuous conduction mode. Use Value: 27 pF junction capacitance suppresses high-frequency ringing, reducing EMI filter component count and board area. | Use Scenario: Connected across relay coil in automotive body control module to clamp inductive kickback during de-energization. IC Role / Device Role / Timing Role: Snubber diode providing low-impedance recirculation path; activated only during coil turn-off transients. Use Value: Guard ring construction withstands repetitive 30 A IFSM surges without degradation, ensuring long-term reliability in 100,000-cycle relay applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SB1100-E3/54 (Vishay) | Same 100 V / 1.0 A rating; VF = 0.85 V @ 1.0 A; SMB package; slightly higher leakage (0.5 mA). | Higher VF increases conduction loss by ~8%; acceptable where thermal margin exists. | Select if dual-sourcing required and minor efficiency trade-off is acceptable. |
| SS110H (ON Semiconductor) | 100 V / 1.0 A; VF = 0.82 V @ 1.0 A; SMB; higher RθJA (85°C/W); no guard ring. | Lacks transient-hardened die; less suitable for surge-prone industrial environments. | Prefer for cost-sensitive consumer applications where surge immunity is not critical. |
Compared with SB1100-E3/54 and SS110H, B1100BE-13 delivers the lowest forward voltage and integrated guard ring protection-making it optimal for thermally constrained, high-reliability industrial power rails where efficiency and surge resilience are jointly prioritized.
Availability
B1100BE-13 is available at Aetrix Electronics and suitable for DC-DC converters, polarity protection circuits, and AC-DC output rectification requiring stable component supply and long-term industrial lifecycle support.
Supply support for B1100BE-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, specializing in high-efficiency power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The B1100BE-13 belongs to Diodes' high-voltage Schottky rectifier product line, engineered for low-loss, high-reliability rectification in compact, high-frequency power conversion systems.
FAQ
What is the maximum junction temperature for continuous operation?
The B1100BE-13 has an operating junction temperature range of –55°C to +150°C. For continuous 1.0 A DC operation, thermal design must ensure TJ stays below +150°C-achievable up to +105°C ambient using the SMB package's 75°C/W RθJA on standard FR-4 PCB with recommended pad layout.
Is B1100BE-13 suitable for automotive applications?
B1100BE-13 meets AEC-Q101 stress test requirements per Diodes Incorporated's qualification report for this family. It supports automotive body electronics and infotainment power rails but is not approved for safety-critical ADAS or powertrain systems without additional system-level validation.
How does the guard ring construction improve reliability?
The guard ring mitigates electric field crowding at the die periphery, raising the effective reverse breakdown voltage and suppressing localized avalanche during voltage transients. This extends operational life under repetitive 30 A IFSM surges and improves consistency in high-humidity or contaminated environments.
Can B1100BE-13 replace B1100AE-13 in existing designs?
Yes-B1100BE-13 (SMB) and B1100AE-13 (SMA) share identical electrical specifications and marking code. The only difference is package size and thermal performance: SMB offers lower RθJA (75 vs. 110°C/W), allowing higher ambient operation or reduced copper area, but requires updated footprint and stencil design.
B1100BE-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 790 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 200 µA @ 100 V
- Capacitance @ Vr, F:
- 27pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -55°C ~ 150°C
B1100BE-13 FAQ
1.How can I place an order for B1100BE-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for B1100BE-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 B1100BE-13 reliable?
The price and inventory of B1100BE-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for B1100BE-13 is usually 5 days.
3.What payment methods are accepted for B1100BE-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for B1100BE-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for B1100BE-13?
B1100BE-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your B1100BE-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 B1100BE-13?
For technical support, including B1100BE-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your B1100BE-13 requirements.
6.How does Aetrix verify that B1100BE-13 is sourced from the original manufacturer or authorized distributors?
All B1100BE-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 B1100BE-13 meets industry standards.
7.What is the process for return or replacement of B1100BE-13?
All B1100BE-13 units undergo pre-shipment inspection (PSI). If there is an issue with B1100BE-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 B1100BE-13 part is unused and in its original packaging.
Return procedure for B1100BE-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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