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Taiwan Semiconductor Corporation S1BH
- Part No.:
- S1BH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
S1BH.pdf
- Description:
- DIODE GEN PURP 100V 1A DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:52,195
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Product details
Overview
S1BH from Taiwan Semiconductor is a 1A, 100V surface-mount silicon rectifier diode in DO-214AC (SMA) package, featuring glass-passivated junction, AEC-Q101 qualification, and 1.1V max forward voltage at 1A/25°C. It serves as a general-purpose power rectifier in automotive lighting, DC-DC converters, and snubber circuits.
For engineers reviewing the S1BH datasheet, S1BH pinout, S1BH application, or S1BH equivalent, key selection criteria include its 100V repetitive peak reverse voltage, 40A non-repetitive surge rating, -55°C to +175°C operating junction temperature, moisture sensitivity level 1 compliance, and RoHS/halogen-free status.
Technical Context
The S1BH is a single-die, standard recovery rectifier with 1500ns reverse recovery time under IF = 0.5A / IR = 1.0A / Irr = 0.25A test conditions. Its thermal resistance is 27°C/W (junction-to-lead) and 75°C/W (junction-to-ambient), enabling reliable operation up to 175°C junction temperature.
Designed for surface-mount assembly, it uses matte tin-plated leads compliant with J-STD-002 solderability and meets JESD201 Class 2 whisker resistance. Polarity is marked by a cathode band on the DO-214AC body.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum repetitive reverse voltage the device blocks reliably in circuit |
| IF | 1 A - Continuous average forward current rating at TA = 25°C |
| IFSM | 40 A - Peak non-repetitive surge current capability (8.3ms half-sine) |
| VF (max) | 1.1 V - Maximum forward voltage drop at 1A and 25°C, directly impacting conduction loss |
| IR (max) | 1 µA - Maximum reverse leakage at rated VR and 25°C, critical for low-power standby |
| TJ max | +175 °C - Maximum allowable junction temperature, supporting high-ambient automotive use |
| trr | 1500 ns - Reverse recovery time, defining switching speed limit in moderate-frequency rectification |
Pinout & Package
Package: DO-214AC (SMA), molded epoxy case meeting UL 94V-0, with cathode polarity indicated by a band on the body. Weight ≈ 0.060 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry terminal | Connected to lower-potential side of source (e.g., transformer secondary or switch node) |
| Cathode | Forward current exit terminal | Marked by band; connects to load/positive rail; defines unidirectional conduction path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per stress test requirements |
| Glass-passivated junction | Enhances long-term stability and moisture resistance vs. epoxy-passivated alternatives |
| Moisture sensitivity level 1 | Enables direct placement without baking, reducing manufacturing overhead and floor-life constraints |
| RoHS and halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive, supporting green electronics manufacturing |
| Low VF (1.1V max) | Reduces conduction losses in 1A-level power rails, improving efficiency in space-constrained designs |
Applications
| Automotive Lighting | DC-DC Converter Output Rectification |
|---|---|
Use Scenario: LED headlamp and tail lamp power supplies requiring robust, compact rectification under engine-bay thermal stress. IC Role / Device Role / Timing Role: Power rectifier converting transformer secondary AC to regulated DC bus. Use Value: AEC-Q101 qualification and 175°C TJ max ensure operational integrity across -40°C to +125°C ambient environments. | Use Scenario: Secondary-side rectification in isolated flyback or forward converters for infotainment or ADAS subsystems. IC Role / Device Role / Timing Role: Unidirectional current path delivering stable output voltage while blocking reverse recovery spikes. Use Value: 40A IFSM withstands startup surges; 1.1V VF minimizes heat generation in thermally constrained PCB layouts. |
| Snubber Circuit Protection | General-Purpose AC/DC Adapter |
Use Scenario: Clamping inductive kickback across MOSFETs or relays in automotive body control modules. IC Role / Device Role / Timing Role: Fast-recovery rectifier absorbing transient energy during switch turn-off. Use Value: 1500ns trr balances snubbing effectiveness and minimal reverse recovery loss in <100kHz switching. | Use Scenario: Input bridge or output rectification in consumer-grade wall adapters and industrial auxiliary supplies. IC Role / Device Role / Timing Role: General-purpose discrete rectifier handling 1A continuous load with cost-effective SMA footprint. Use Value: DO-214AC package enables automated placement; level-1 MSL eliminates pre-bake logistics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MUR110 | Ultrafast recovery (75ns), higher VF (1.3V), same 1A/100V rating and DO-214AC package | Better suited for higher-frequency SMPS where trr dominates loss; less optimal for low-loss 50–100kHz converters | Select MUR110 when faster switching is required and higher conduction loss is acceptable |
| Vishay VS-1EH01-M3/5AT | Same 1A/100V rating, AEC-Q101 qualified, but 1.25V VF max and 2000ns trr; identical DO-214AC footprint | Higher VF increases conduction loss; longer trr limits usable frequency range vs. S1BH | Choose VS-1EH01-M3/5AT only if dual sourcing from Vishay is mandated and thermal margin permits higher VF |
Compared with MUR110 and VS-1EH01-M3/5AT, the S1BH delivers the best balance of low VF (1.1V), AEC-Q101 compliance, and industry-standard DO-214AC compatibility-making it optimal for cost-sensitive, thermally demanding automotive and industrial rectification where 1500ns trr is sufficient.
Availability
S1BH is available at Aetrix Electronics and suitable for automotive lighting, DC-DC converter output stages, and snubber protection circuits requiring stable component supply, long-term lifecycle support, and AEC-Q101-compliant sourcing.
Supply support for S1BH 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, serving global automotive, industrial, and consumer markets since 1979.
The S1BH belongs to TSC's S1xH family of AEC-Q101-qualified surface-mount rectifiers, engineered specifically for high-reliability automotive power conversion and general-purpose industrial rectification where thermal robustness and process consistency are critical.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) for the S1BH?
The S1BH has a maximum repetitive peak reverse voltage (VRRM) of 100 V, as specified in the Absolute Maximum Ratings table. This value defines the highest reverse voltage the device can block repeatedly without breakdown under normal operating conditions. Exceeding this rating risks irreversible junction damage. The S1BH is part of the S1AH–S1MH series, where the letter suffix directly maps to VRRM: S1BH = 100 V.
Is the S1BH suitable for automotive applications?
Yes, the S1BH is AEC-Q101 qualified, making it suitable for automotive applications including lighting, body control modules, and power supplies. It operates over a junction temperature range of -55°C to +175°C and features glass-passivated junctions and moisture sensitivity level 1-key requirements for under-hood reliability. The S1BH's qualification covers stress tests such as temperature cycling, high-temperature reverse bias, and mechanical shock.
What is the forward voltage drop (VF) of the S1BH at rated current?
The S1BH exhibits a maximum forward voltage drop (VF) of 1.1 V at IF = 1 A and TJ = 25°C, per the Electrical Specifications table. This value is measured under pulsed conditions (PW = 0.3 ms) and represents worst-case conduction loss. At elevated temperatures or lower currents, VF decreases slightly. This low VF contributes directly to reduced power dissipation in the S1BH compared to higher-VF alternatives.
Does the S1BH have a defined reverse recovery time (trr)?
Yes, the S1BH has a typical reverse recovery time (trr) of 1500 ns, measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A. This parameter reflects its standard recovery behavior-not ultrafast-and is appropriate for line-frequency and low-to-moderate frequency (<100 kHz) rectification. The S1BH's trr is consistent across the S1AH–S1KH subset of the family, as confirmed in the Characteristics Curves section.
What package type does the S1BH use, and is it compatible with automated assembly?
The S1BH uses the DO-214AC (SMA) surface-mount package, with matte tin-plated leads compliant with J-STD-002 solderability. Its moisture sensitivity level is rated Level 1 per J-STD-020, meaning it can be placed directly from dry pack without baking-fully supporting high-speed automated placement. The cathode is marked by a visible band on the molded body, ensuring correct orientation during assembly.
S1BH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 1.5 µs
- Current - Reverse Leakage @ Vr:
- 1 µA @ 100 V
- Capacitance @ Vr, F:
- 12pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
- Operating Temperature - Junction:
- -55°C ~ 175°C
S1BH FAQ
1.How can I place an order for S1BH through Aetrix?
Please submit a Request for Quotation (RFQ) for S1BH 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 S1BH reliable?
The price and inventory of S1BH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S1BH is usually 5 days.
3.What payment methods are accepted for S1BH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S1BH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S1BH?
S1BH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S1BH 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 S1BH?
For technical support, including S1BH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S1BH requirements.
6.How does Aetrix verify that S1BH is sourced from the original manufacturer or authorized distributors?
All S1BH 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 S1BH meets industry standards.
7.What is the process for return or replacement of S1BH?
All S1BH units undergo pre-shipment inspection (PSI). If there is an issue with S1BH, 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 S1BH part is unused and in its original packaging.
Return procedure for S1BH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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