Taiwan Semiconductor Corporation S3BBH
- Part No.:
- S3BBH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
S3BBH.pdf
- Description:
- DIODE GEN PURP 100V 3A DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:6,341
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Product details
Overview
S3BBH from Taiwan Semiconductor is a surface-mount silicon rectifier diode with 100 V repetitive peak reverse voltage (VRRM), 3 A average forward current (IF), and 80 A surge capability (IFSM), housed in a DO-214AA (SMB) package. It features glass-passivated junction, low forward voltage drop (max 1.15 V at 3 A), and AEC-Q101 qualification for automotive-grade reliability in freewheeling and snubber circuits.
For engineers reviewing the S3BBH datasheet, S3BBH pinout, S3BBH application, or S3BBH equivalent, key selection criteria include its 100 V VRRM rating, 1500 ns reverse recovery time (trr), moisture sensitivity level 1 compliance, and suitability for DC-DC converters and automotive lighting systems where robust transient handling and thermal stability up to 150 °C are required.
Technical Context
The S3BBH is a single-die, standard-recovery rectifier optimized for medium-voltage, medium-current switching applications. Its 1500 ns reverse recovery time and 40 pF junction capacitance reflect design trade-offs favoring low conduction loss over ultrafast switching speed.
Thermally, it delivers 10 °C/W junction-to-lead resistance (RθJL) in the DO-214AA package, enabling reliable operation at 150 °C maximum junction temperature under sustained 3 A load with appropriate PCB copper area.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum non-repetitive reverse voltage the device blocks without breakdown; defines upper limit for DC-DC output rectification or snubber clamping. |
| IF | 3 A - Continuous average forward current rating at TA = 75 °C; determines steady-state power delivery capacity in freewheeling paths. |
| IFSM | 80 A - Peak non-repetitive surge current (8.3 ms half-sine); supports inrush and fault-current handling in automotive lighting drivers. |
| VF (max) | 1.15 V @ 3 A, 25 °C - Forward voltage drop directly impacts conduction loss and thermal rise in high-duty-cycle applications. |
| trr | 1500 ns - Reverse recovery time affects switching losses and EMI in PWM-controlled circuits operating below ~100 kHz. |
| TJ max | 150 °C - Maximum junction temperature enables operation in under-hood automotive environments with minimal derating. |
| CJ | 40 pF @ 1 MHz, 4 V - Junction capacitance influences high-frequency noise coupling and snubber network tuning. |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, molded plastic case with matte tin-plated leads, polarity indicated by cathode band. Weight: 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to lower-potential side of load or switch node; must handle full IF and IFSM with adequate trace width. |
| Cathode (K) | Forward current exit / reverse voltage blocking terminal | Connected to higher-potential rail; cathode band marking ensures correct orientation during automated placement. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including HTOL, TC, HAST, and UHST - enables use in engine control and lighting modules. |
| Glass passivated junction | Enhances long-term reliability and humidity resistance versus epoxy-passivated alternatives, critical for under-hood deployment. |
| Moisture sensitivity level 1 | Eliminates need for dry-pack or baking prior to reflow soldering - reduces manufacturing cost and process complexity. |
| Low VF (1.15 V max) | Reduces conduction loss by ~15% vs. comparable 100 V rectifiers with VF > 1.3 V, improving efficiency in 12 V automotive DC-DC stages. |
| Junction-to-lead RθJL = 10 °C/W | Enables direct thermal coupling to PCB copper pour for passive cooling - no heatsink required at ≤2 W dissipation. |
Applications
| Automotive LED Lighting Driver | DC-DC Converter Output Rectifier |
|---|---|
Use Scenario: High-brightness LED headlamp module powered by a buck converter operating at 100–200 kHz. IC Role / Device Role / Timing Role: Freewheeling diode providing current path during low-side switch off-time; handles 3 A continuous and 80 A surge during short-circuit events. Use Value: AEC-Q101 qualification and 150 °C TJ max ensure stable operation in sealed headlamp housings exposed to ambient temperatures up to 125 °C. | Use Scenario: 12 V to 5 V step-down converter in infotainment system power supply. IC Role / Device Role / Timing Role: Output rectifier converting switched inductor current into regulated DC; operates in discontinuous conduction mode with 1500 ns trr well within timing budget. Use Value: 1.15 V VF minimizes power loss at 3 A load, reducing thermal stress on adjacent SoC and enabling compact layout. |
| Snubber Network Clamp | Automotive HVAC Blower Motor Freewheeling |
Use Scenario: RC-snubber across MOSFET drain-source in 48 V HVAC compressor inverter. IC Role / Device Role / Timing Role: Clamping diode absorbing inductive energy during turn-off; rated for 100 V reverse standoff and 80 A surge. Use Value: Glass-passivated junction prevents degradation under repeated high-dV/dt stress, extending snubber lifetime beyond 10,000 hours. | Use Scenario: Brushed DC blower motor driver with PWM-controlled H-bridge. IC Role / Device Role / Timing Role: Freewheeling path for motor back-EMF during PWM off-periods; conducts bidirectional current with cathode band ensuring correct polarity alignment. Use Value: DO-214AA package allows automated placement alongside SMT gate drivers; MSL-1 status eliminates pre-reflow moisture mitigation steps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semi MUR310 | Ultrafast recovery (trr = 75 ns), same VRRM/IF, but not AEC-Q101 qualified | Better suited for higher-frequency SMPS (>200 kHz); lacks automotive qualification and MSL-1 rating | Select when switching frequency exceeds 100 kHz and automotive qualification is not required. |
| Vishay VS-3EWH01-M3/54 | Same DO-214AA package, 100 V VRRM, 3 A IF, AEC-Q101 qualified, but VF = 1.25 V (max) | Higher conduction loss; identical thermal and automotive compliance profile | Prefer S3BBH where lower VF is critical for thermal margin in space-constrained layouts. |
Compared with MUR310 and VS-3EWH01-M3/54, the S3BBH offers the optimal balance of AEC-Q101 compliance, MSL-1 handling, and lowest VF among qualified 100 V/3 A SMB rectifiers - making it the preferred choice for thermally constrained automotive power stages below 200 kHz.
Availability
S3BBH is available at Aetrix Electronics and suitable for automotive LED lighting, DC-DC converter output rectification, and snubber clamp circuits requiring stable component supply, long-term lifecycle support, and AEC-Q101-compliant sourcing.
Supply support for S3BBH 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 power rectifiers, TVS diodes, and MOSFETs for industrial and automotive markets.
The S3BBH belongs to TSC's S3x series of AEC-Q101-qualified surface-mount rectifiers designed specifically for automotive power conversion and protection applications where reliability, thermal robustness, and process compatibility are mandatory.
FAQ
What is the maximum junction temperature rating for the S3BBH?
The S3BBH has a maximum junction temperature (TJ) rating of +150 °C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet. This allows the S3BBH to operate reliably in under-hood automotive environments where ambient temperatures reach 125 °C, provided PCB thermal design maintains junction temperature below this limit. Derating curves confirm usable current capacity down to 1.5 A at 125 °C ambient.
Is the S3BBH suitable for use in automotive lighting applications?
Yes, the S3BBH is explicitly qualified to AEC-Q101 and specified for automotive applications including car lighting, as confirmed in the "Applications" section of the Taiwan Semiconductor datasheet. Its glass-passivated junction, MSL-1 rating, and 150 °C TJ max make the S3BBH suitable for LED headlamp and interior lighting drivers where thermal cycling and humidity resistance are critical.
What does the "BB" in S3BBH indicate?
The "BB" in S3BBH is the voltage code denoting a 100 V repetitive peak reverse voltage (VRRM) rating, consistent with Taiwan Semiconductor's S3x series ordering convention. Per the "ORDERING INFORMATION" table, "x" maps to voltage grade: AB = 50 V, BB = 100 V, DB = 200 V, etc. The full marking on the device body is "S3BB".
Does the S3BBH have a halogen-free construction?
Yes, the S3BBH uses halogen-free molding compound compliant with IEC 61249-2-21, as stated in the "FEATURES" section of the official datasheet. This satisfies environmental compliance requirements for automotive and industrial end equipment, including RoHS Directive 2011/65/EU Annex II substance restrictions.
What is the reverse recovery time (trr) specification for the S3BBH?
The S3BBH has a reverse recovery time (trr) of 1500 ns, measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A conditions per the "ELECTRICAL SPECIFICATIONS" table. This value is typical for standard-recovery rectifiers and suits applications such as DC-DC converters operating below 200 kHz and freewheeling paths where switching loss is secondary to conduction loss optimization.
S3BBH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.15 V @ 3 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 1.5 µs
- Current - Reverse Leakage @ Vr:
- 10 µA @ 100 V
- Capacitance @ Vr, F:
- 40pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
- Operating Temperature - Junction:
- -55°C ~ 150°C
S3BBH FAQ
1.How can I place an order for S3BBH through Aetrix?
Please submit a Request for Quotation (RFQ) for S3BBH 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 S3BBH reliable?
The price and inventory of S3BBH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S3BBH is usually 5 days.
3.What payment methods are accepted for S3BBH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S3BBH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S3BBH?
S3BBH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S3BBH 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 S3BBH?
For technical support, including S3BBH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S3BBH requirements.
6.How does Aetrix verify that S3BBH is sourced from the original manufacturer or authorized distributors?
All S3BBH 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 S3BBH meets industry standards.
7.What is the process for return or replacement of S3BBH?
All S3BBH units undergo pre-shipment inspection (PSI). If there is an issue with S3BBH, 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 S3BBH part is unused and in its original packaging.
Return procedure for S3BBH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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