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Taiwan Semiconductor Corporation HS1BLH
- Part No.:
- HS1BLH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-123
- Datasheet:
-
HS1BLH.pdf
- Description:
- 50NS, 1A, 100V, HIGH EFFICIENT R
- Quantity:
- Payment:
- Shipping:
Inventory:8,668
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Product details
Overview
HS1BLH from Taiwan Semiconductor is a 1A, 100V glass-passivated surface-mount rectifier diode in Sub SMA package, featuring 0.95V forward voltage at 1A and 50ns reverse recovery time. It serves as a freewheeling or snubber diode in automotive DC-DC converters and LED lighting circuits where efficiency and AEC-Q101 compliance are required.
For engineers reviewing the HS1BLH datasheet, HS1BLH pinout, HS1BLH application, or HS1BLH equivalent, key selection criteria include repetitive peak reverse voltage (100V), junction-to-ambient thermal resistance (100°C/W), moisture sensitivity level (J-STD-020 Level 1), RoHS/halogen-free status, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
The HS1BLH is a single-die, standard recovery silicon rectifier optimized for high-efficiency switching applications. Its glass-passivated junction ensures stable reverse leakage (<5µA at 25°C) and robust thermal performance up to 150°C junction temperature.
Designed for automated SMT placement, the Sub SMA package supports reflow soldering per J-STD-002 with matte tin-plated leads. Polarity is marked by a cathode band, and the device meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum repetitive reverse voltage the diode blocks without breakdown |
| IF | 1 A - Continuous average forward current rating at TA = 25°C |
| VF @ 1A | 0.95 V - Forward voltage drop determining conduction loss in power path |
| trr | 50 ns - Reverse recovery time affecting switching losses in high-frequency converters |
| RθJA | 100 °C/W - Thermal resistance from junction to ambient, defining power derating capability |
| IR @ 25°C | 5 µA - Reverse leakage current impacting standby power and snubber accuracy |
| TJ max | +150 °C - Maximum allowable junction temperature for sustained operation |
Pinout & Package
Package: Sub SMA - Low-profile, surface-mount plastic package with cathode band marking; dimensions compliant with JEDEC DO-221AC; weight ≈ 0.019 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side of load or switch node in freewheeling path |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; connects to higher-potential rail or inductive flyback return path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood applications including temperature cycling, humidity bias, and mechanical shock |
| Glass-passivated junction | Enhances long-term reliability and stability of reverse leakage and breakdown voltage over life |
| Moisture sensitivity Level 1 | Enables standard SMT assembly without baking or dry-pack handling |
| RoHS and halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive for environmentally constrained designs |
| Low profile Sub SMA | Reduces board height and improves airflow in dense power modules and LED driver PCBs |
Applications
| Automotive DC-DC Converters | LED Headlamp Drivers |
|---|---|
Use Scenario: Step-down converter supplying 12V auxiliary rails from 48V battery in mild-hybrid vehicles. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous or asynchronous buck topology. Use Value: 50ns trr minimizes switching loss during high-frequency (200–500 kHz) operation; AEC-Q101 ensures field reliability. | Use Scenario: Constant-current LED driver for automotive headlamps with PWM dimming and thermal foldback. IC Role / Device Role / Timing Role: Snubber diode across MOSFET switch to clamp inductive voltage spikes. Use Value: 100V VRRM safely absorbs 40–60V transients; 0.95V VF reduces conduction loss in high-duty-cycle operation. |
| Industrial Power Supplies | Consumer AC-DC Adapters |
Use Scenario: Secondary-side rectification in isolated flyback supplies for PLC I/O modules. IC Role / Device Role / Timing Role: Output rectifier delivering regulated 5V/3.3V to microcontroller subsystems. Use Value: Sub SMA footprint enables compact layout; RθJA = 100°C/W allows 0.5W dissipation with minimal heatsinking. | Use Scenario: Low-cost wall adapter for USB-powered devices with universal AC input. IC Role / Device Role / Timing Role: Input bridge rectifier leg in voltage-doubler or full-wave configuration. Use Value: Glass passivation ensures stable IR < 5µA across 40°C–85°C ambient, improving no-load efficiency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semi MUR110 | Same 1A/100V rating; trr = 75ns (slower); VF = 0.93V; TO-220AC package | Through-hole mounting; higher thermal mass but larger footprint and manual assembly | Preferred where board space permits and legacy through-hole assembly is used |
| Vishay VS-1EWH01-M3 | 1A/100V; trr = 50ns; VF = 0.92V; SMA package (not Sub SMA); slightly larger outline | Compatible SMT process but requires pad layout adjustment due to different body dimensions | Drop-in replacement only after verifying land pattern compatibility and thermal relief design |
Compared with MUR110 and VS-1EWH01-M3, the HS1BLH offers identical electrical performance with superior AEC-Q101 qualification and tighter moisture control (MSL Level 1), making it optimal for new automotive and high-reliability industrial designs requiring zero-bake SMT flow.
Availability
HS1BLH is available at Aetrix Electronics and suitable for automotive DC-DC converters, LED lighting drivers, and industrial snubber circuits requiring stable component supply, AEC-Q101 compliance, and consistent Sub SMA packaging.
Supply support for HS1BLH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in high-reliability rectifiers, TVS, MOSFETs, and bipolar transistors.
The HS1BLH belongs to TSC's AEC-Q101-qualified HS1xLH rectifier family, engineered specifically for automotive and industrial power conversion where low VF, fast trr, and robust thermal performance are critical.
FAQ
What is the maximum junction temperature rating for HS1BLH?
The HS1BLH has a maximum junction temperature (TJ max) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet Version A2103. This rating enables reliable operation in under-hood automotive environments and thermally constrained LED driver enclosures. Derating curves confirm usable current capacity down to 0.5A at 100°C ambient when mounted on standard FR-4 PCBs. The HS1BLH must not exceed this limit during transient or steady-state conditions.
Is HS1BLH suitable for use in automotive applications?
Yes, the HS1BLH is AEC-Q101 qualified per the manufacturer's documentation, confirming its suitability for automotive applications including engine control units, body electronics, and lighting systems. It passes stress tests for temperature cycling, high-temperature operating life, and mechanical shock. Its Sub SMA package, MSL Level 1 rating, and halogen-free construction further align with automotive manufacturing requirements. Engineers specifying HS1BLH for vehicle platforms can rely on its validated reliability data.
What does the marking code 'HBL' indicate on HS1BLH?
The marking code 'HBL' on the HS1BLH device body identifies it as the 100V variant within the HS1xLH series - 'H' denotes the series, 'B' specifies VRRM = 100V, and 'L' indicates Sub SMA packaging. This matches the ordering code HS1BLH and appears consistently in Taiwan Semiconductor's mechanical drawings and tape-and-reel packaging documentation. No other voltage or package variant uses this exact marking.
How does the reverse recovery time of HS1BLH compare to similar 1A rectifiers?
The HS1BLH has a typical reverse recovery time (trr) of 50 ns at IF = 0.5A, IR = 1.0A, and Irr = 0.25A - matching high-speed rectifiers like VS-1EWH01-M3 and outperforming general-purpose alternatives such as 1N4007 (trr > 2 µs). This value is confirmed in the Electrical Specifications table of the HS1ALH–HS1MLH datasheet. Fast trr reduces switching losses in 200–500 kHz DC-DC converters where HS1BLH is commonly deployed.
What is the moisture sensitivity level (MSL) of HS1BLH and what does it mean for assembly?
The HS1BLH is rated MSL Level 1 per J-STD-020, meaning it may be stored indefinitely at ≤30°C/85% RH and subjected to standard reflow profiles without pre-baking. This eliminates moisture-related popcorning risk and simplifies SMT line integration. The Level 1 rating is explicitly stated in the FEATURES section of the Taiwan Semiconductor datasheet and applies to all HS1xLH variants in Sub SMA packaging, including HS1BLH.
HS1BLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 950 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Capacitance @ Vr, F:
- 20pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Sub SMA
- Operating Temperature - Junction:
- -55°C ~ 150°C
HS1BLH FAQ
1.How can I place an order for HS1BLH through Aetrix?
Please submit a Request for Quotation (RFQ) for HS1BLH 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 HS1BLH reliable?
The price and inventory of HS1BLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HS1BLH is usually 5 days.
3.What payment methods are accepted for HS1BLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HS1BLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HS1BLH?
HS1BLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HS1BLH 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 HS1BLH?
For technical support, including HS1BLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HS1BLH requirements.
6.How does Aetrix verify that HS1BLH is sourced from the original manufacturer or authorized distributors?
All HS1BLH 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 HS1BLH meets industry standards.
7.What is the process for return or replacement of HS1BLH?
All HS1BLH units undergo pre-shipment inspection (PSI). If there is an issue with HS1BLH, 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 HS1BLH part is unused and in its original packaging.
Return procedure for HS1BLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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