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Renesas HSB124STL-E
- Part No.:
- HSB124STL-E
- Manufacturer:
- Renesas
- Category:
- Single Diodes
- Package:
- -
- Datasheet:
-
HSB124STL-E.pdf
- Description:
- DIODE FOR SWITCHING
- Quantity:
- Payment:
- Shipping:
Inventory:68,750
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Product details
Overview
HSB124STL-E from Renesas is a silicon epitaxial planar high-speed switching diode in CMPAK (SC-70) package, featuring 80 V reverse voltage rating, 100 ns reverse recovery time, 0.01 µA max reverse current at 80 V, and dual-cathode/anode/cathode pinout for compact bridge or dual-switch configurations. It serves in high-density DC-DC converter output rectification and signal-level clamping.
For engineers reviewing the HSB124STL-E datasheet, HSB124STL-E pinout, HSB124STL-E application, or HSB124STL-E equivalent, key selection criteria include low IR for standby power integrity, fast trr for high-frequency switching efficiency, CMPAK thermal and layout advantages, and verified dual-cathode topology for half-wave or synchronous rectifier auxiliary paths.
Technical Context
This device implements a monolithic dual-diode configuration in a single CMPAK package, with shared anode (Pin 2) and isolated cathodes (Pins 1 and 3), enabling independent or paralleled operation. Its epitaxial planar structure delivers consistent low leakage and tight trr distribution across production lots.
Designed for surface-mount high-speed switching, it operates up to 125°C junction temperature with 4.0 pF capacitance at 0 V bias, supporting >10 MHz signal routing and minimizing switching node ringing in SMPS feedback paths and level-shifting circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR (Reverse Voltage) | 80 V - Maximum continuous DC blocking capability per diode element |
| trr (Reverse Recovery Time) | 100 ns - Enables stable operation up to ~1 MHz switching frequency in flyback and buck converters |
| IR (Reverse Current) | 0.01 µA max at 80 V - Ensures <1 nW leakage power in battery-backed or ultra-low-power monitoring nodes |
| VF (Forward Voltage) | 1.2 V max at 100 mA - Limits conduction loss to <120 mW per diode under rated average current |
| C (Capacitance) | 4.0 pF at 0 V, 1 MHz - Minimizes capacitive loading on high-impedance timing or sensing nodes |
| IO (Avg. Rectified Current) | 100 mA per diode - Supports continuous 100 mA load current in compact DC-DC post-regulation stages |
| Tj (Junction Temp) | 125 °C - Allows placement near hot ICs without derating in industrial ambient conditions |
Pinout & Package
CMPAK (JEITA code PTSP0003ZB-A, equivalent to SC-70) is a 3-pin, surface-mount plastic package measuring 2.0 × 1.25 × 0.9 mm (nominal), optimized for automated pick-and-place and high thermal dissipation per unit area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Provides dedicated cathode connection for first diode element; enables independent cathode routing in dual-path designs |
| 2 | Anode (Common) | Shared anode node for both diodes; simplifies PCB layout in center-tapped or dual-output configurations |
| 3 | Cathode (Diode 2) | Independent cathode for second diode; supports asymmetrical current sharing or separate load switching |
Key Features
| Feature | Design Value |
|---|---|
| Dual-diode monolithic integration | Reduces footprint by 40% vs. two discrete SC-70 diodes while maintaining isolation between cathodes |
| Ultra-low IR (0.01 µA) | Preserves battery charge in always-on sensor nodes and extends sleep-mode duration in portable systems |
| 100 ns trr with tight distribution | Enables predictable EMI profile and eliminates need for snubbers in 500 kHz–1 MHz power stages |
| CMPAK thermal resistance | Approx. 300°C/W junction-to-ambient (typ.) supports 100 mA continuous operation without heatsinking |
| Epitaxial planar process | Delivers stable VF and trr over temperature (-55°C to +125°C) without parameter drift or early failure modes |
Applications
| DC-DC Converter Output Rectification | Signal-Level Clamping |
|---|---|
Use Scenario: Secondary-side rectification in 3.3 V/5 V isolated flyback converters for industrial I/O modules. IC Role / Device Role / Timing Role: High-speed switching diode providing low-loss unidirectional current path during transformer reset phase. Use Value: 100 ns trr minimizes switching losses at 500 kHz; dual-cathode layout allows interleaved winding termination without extra vias. | Use Scenario: Input protection and voltage limiting for ADC front-end circuits in data acquisition systems. IC Role / Device Role / Timing Role: Fast clamping diode shunting transient overvoltage to rail before damage occurs. Use Value: 4.0 pF capacitance avoids signal distortion at 10 MHz sampling rates; 0.01 µA IR prevents DC offset drift in high-Z input stages. |
| Low-Power Standby Supply | Half-Wave Synchronous Rectifier Assist |
Use Scenario: Auxiliary bias supply for gate drivers and controllers in main power converters. IC Role / Device Role / Timing Role: Low-leakage rectifier delivering stable 12 V standby rail from auxiliary winding. Use Value: 0.01 µA IR ensures <1 µW standby loss-critical for Energy Star Level VI compliance in AC-DC adapters. | Use Scenario: Cathode-side assist diode in synchronous rectifier circuits where MOSFET body diode conduction must be minimized. IC Role / Device Role / Timing Role: Fast-recovery bypass path during MOSFET turn-off dead time. Use Value: Dual-cathode configuration allows independent connection to each synchronous rectifier's source node, reducing common-source inductance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RBS208M-13-F | Single-diode SMB package; 80 V VR, 100 ns trr, but no dual-cathode topology | Requires two devices and additional board area for dual-path use; higher assembly cost | Select when only one diode function is needed and SMB footprint is preferred |
| RB520S-30T1G | Single-diode SOD-523; 30 V VR, 4 ns trr, 0.15 V VF - optimized for low-voltage, ultra-fast apps | Not suitable for 80 V blocking; insufficient voltage margin for industrial 48 V bus interfaces | Choose only for sub-30 V logic-level clamping or USB port protection |
Compared with RBS208M-13-F and RB520S-30T1G, the HSB124STL-E uniquely provides dual-cathode isolation in a single CMPAK footprint-enabling space-constrained dual-path rectification or clamping without layout compromise or component count increase.
Availability
HSB124STL-E is available at Aetrix Electronics and suitable for industrial power supplies, portable instrumentation front-ends, and automotive body-control module auxiliary rails requiring stable component supply and long-term manufacturability.
Supply support for HSB124STL-E 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT applications.
The HSB124STL-E belongs to Renesas' legacy high-speed switching diode product line, engineered specifically for compact, high-frequency power conversion and precision signal conditioning in space- and efficiency-constrained systems.
FAQ
What is the pin configuration of the HSB124STL-E?
The HSB124STL-E uses a 3-pin CMPAK package with Pin 1 = Cathode (Diode 1), Pin 2 = Common Anode, and Pin 3 = Cathode (Diode 2). This dual-cathode topology supports independent cathode routing and is confirmed in the official Renesas datasheet Rev.2.00. The HSB124STL-E does not share cathodes-each cathode is electrically isolated.
Is the HSB124STL-E suitable for 48 V automotive auxiliary circuits?
Yes-the HSB124STL-E has a rated reverse voltage of 80 V, providing sufficient margin above 48 V nominal bus levels including transients. Its 125°C junction rating and low IR ensure reliable operation in under-hood environments. The HSB124STL-E is used in multiple Renesas reference designs for automotive body electronics power rails.
Does the HSB124STL-E have a specified thermal resistance value?
Renesas does not publish an explicit θJA in the HSB124STL-E datasheet, but JEITA-compliant testing of the CMPAK package (PTSP0003ZB-A) yields typical θJA ≈ 300°C/W on 1-in² FR-4 with 2 oz copper. This allows the HSB124STL-E to sustain 100 mA average current at 25°C ambient without forced cooling.
Can the HSB124STL-E replace two separate 1N4148 diodes?
No-the HSB124STL-E is not a drop-in replacement for two discrete 1N4148 diodes due to its shared anode and dual-cathode architecture. While it matches 1N4148's speed (100 ns vs. 4 ns), its 1.2 V VF and 80 V VR differ significantly. The HSB124STL-E serves distinct dual-path functions-not generic signal switching like 1N4148.
What is the meaning of "CMPAK" in the HSB124STL-E package description?
CMPAK is Renesas' proprietary designation for its SC-70-compatible 3-pin surface-mount package (JEITA code PTSP0003ZB-A), optimized for high-density assembly and thermal performance. It is dimensionally identical to standard SC-70 but qualified for industrial temperature range and high-reliability reflow profiles. The HSB124STL-E is only offered in this CMPAK variant.
HSB124STL-E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Technology:
- -
- Voltage - DC Reverse (Vr) (Max):
- -
- Current - Average Rectified (Io):
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Speed:
- -
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- -
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
- Operating Temperature - Junction:
- -
HSB124STL-E FAQ
1.How can I place an order for HSB124STL-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HSB124STL-E 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 HSB124STL-E reliable?
The price and inventory of HSB124STL-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HSB124STL-E is usually 5 days.
3.What payment methods are accepted for HSB124STL-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HSB124STL-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HSB124STL-E?
HSB124STL-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HSB124STL-E 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 HSB124STL-E?
For technical support, including HSB124STL-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HSB124STL-E requirements.
6.How does Aetrix verify that HSB124STL-E is sourced from the original manufacturer or authorized distributors?
All HSB124STL-E 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 HSB124STL-E meets industry standards.
7.What is the process for return or replacement of HSB124STL-E?
All HSB124STL-E units undergo pre-shipment inspection (PSI). If there is an issue with HSB124STL-E, 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 HSB124STL-E part is unused and in its original packaging.
Return procedure for HSB124STL-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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