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Taiwan Semiconductor Corporation S1JBH
- Part No.:
- S1JBH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
S1JBH.pdf
- Description:
- DIODE GEN PURP 600V 1A DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
S1JBH from Taiwan Semiconductor is a 1A, 600V surface-mount silicon rectifier diode in DO-214AA (SMB) package, featuring glass-passivated junction, AEC-Q101 qualification, 30A surge capability, and 1.1V max forward voltage at 1A/25°C - used for freewheeling and snubber circuits in automotive lighting and DC-DC converters.
For engineers reviewing the S1JBH datasheet, S1JBH pinout, S1JBH application, or S1JBH equivalent, key selection criteria include repetitive peak reverse voltage (600V), forward current rating (1A), surge robustness (30A @ 8.3ms), thermal resistance (30°C/W), and AEC-Q101 compliance for automotive-grade reliability.
Technical Context
The S1JBH is a single-die, unidirectional silicon rectifier optimized for high-reliability switching power applications. Its glass-passivated junction ensures stable reverse leakage (<5 µA @ 25°C, <50 µA @ 125°C) and long-term stability under thermal cycling.
Designed for surface-mount assembly with matte tin-plated leads (J-STD-002 compliant), it supports automated placement and reflow soldering. The DO-214AA (SMB) package provides UL 94V-0 flammability rating and meets JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - maximum repetitive reverse voltage before breakdown; defines safe operating range in flyback or clamp circuits |
| IF | 1 A - continuous average forward current; determines steady-state power dissipation and heatsink requirements |
| IFSM | 30 A - non-repetitive surge current (8.3 ms half-sine); enables handling of inductive turn-off transients |
| VF (max) | 1.1 V @ 1A, 25°C - forward voltage drop directly impacts conduction loss and thermal design in high-duty-cycle apps |
| TJ max | 150 °C - maximum junction temperature; sets upper limit for thermal management in enclosed automotive environments |
| RθJL | 30 °C/W - junction-to-lead thermal resistance; critical for estimating temperature rise under PCB copper pad cooling |
| CJ | 12 pF @ 1 MHz, 4V - junction capacitance affects high-frequency switching noise and EMI in snubber networks |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with cathode band marking polarity; matte tin-plated leads; weight ≈0.090 g; UL 94V-0 rated compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side of load or inductive source during conduction |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; connects to higher-potential node; blocks up to 600V reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including HTOL, TC, HAST, and UHST |
| Glass-passivated junction | Enhances moisture resistance and long-term parameter stability vs. epoxy-passivated alternatives |
| Low VF (1.1 V max) | Reduces conduction losses by ~15% compared to standard 1A rectifiers with VF >1.25V at same current |
| 30A IFSM rating | Supports reliable operation in high-energy snubber and freewheeling paths without derating |
| Moisture sensitivity level 1 | Enables direct use from reel without baking; eliminates moisture-related popcorning during reflow |
Applications
| Automotive LED Lighting | DC-DC Converter Freewheeling |
|---|---|
Use Scenario: Reverse polarity protection and current steering in 12V/24V LED headlamp modules. IC Role / Device Role / Timing Role: Unidirectional rectifier providing low-loss current path during PWM off-phase and blocking reverse fault currents. Use Value: 1.1V VF minimizes heat generation in space-constrained lamp housings; AEC-Q101 ensures lifetime reliability under vehicle vibration and thermal cycling. | Use Scenario: Freewheeling path in buck converter output stage driving solenoids or actuators. IC Role / Device Role / Timing Role: Provides low-impedance return path for inductor current when main switch turns off. Use Value: 30A IFSM withstands transient energy from 100–500mH inductors; DO-214AA footprint allows compact layout adjacent to power inductors. |
| Snubber Network Clamping | Automotive HVAC Blower Control |
Use Scenario: Voltage clamping across relay coils or MOSFET drains in body control modules. IC Role / Device Role / Timing Role: Absorbs inductive kickback energy via fast recovery and controlled reverse recovery charge. Use Value: 600V VRRM safely clamps transients up to 420V RMS; 12pF CJ limits capacitive coupling into sensitive analog circuitry. | Use Scenario: Directional current control in H-bridge driver outputs for variable-speed blower motors. IC Role / Device Role / Timing Role: External freewheeling diode protecting bridge FETs during PWM commutation. Use Value: Glass passivation prevents parameter drift over 15-year vehicle life; matte tin leads ensure solder joint integrity after thermal cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R06U | Same 1A/600V rating; faster trr (~50ns vs. unspecified for S1JBH); higher VF (1.3V typ) | Better for high-frequency SMPS; less suitable for thermally constrained automotive lighting | Prefer S1JBH where thermal budget is tight and switching frequency ≤100 kHz |
| ON Semi MUR160 | Higher IFSM (50A); TO-277 package (not SMB); VF = 1.25V max | Requires PCB redesign; better for industrial power supplies with forced air cooling | Choose S1JBH for drop-in SMB replacement in existing automotive PCBs |
Compared with STTH1R06U and MUR160, the S1JBH offers optimal balance of low VF, AEC-Q101 qualification, and DO-214AA compatibility - making it the preferred choice for cost-sensitive, space-limited automotive rectification where surge robustness and thermal performance are prioritized over ultrafast recovery.
Availability
S1JBH is available at Aetrix Electronics and suitable for automotive LED lighting, DC-DC converter freewheeling, and snubber network clamping requiring stable component supply and AEC-Q101-compliant sourcing.
Supply support for S1JBH 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 semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers for industrial and automotive markets.
The S1JBH belongs to TSC's AEC-Q101-qualified S1xBH rectifier family, engineered specifically for high-reliability surface-mount rectification in harsh-environment automotive subsystems.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) for S1JBH?
The S1JBH has a VRRM rating of 600 V, meaning it can reliably block reverse voltages up to this level without breakdown. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version A2102). Designers must ensure that peak reverse transients in the target circuit remain below 600 V to maintain long-term reliability of the S1JBH.
Is S1JBH suitable for automotive applications?
Yes, the S1JBH is AEC-Q101 qualified and explicitly listed for automotive applications including car lighting and HVAC systems. Its glass-passivated junction, moisture sensitivity level 1, and operating temperature range (−55°C to +150°C) meet automotive environmental requirements. The S1JBH is designed and tested to withstand thermal cycling, vibration, and humidity conditions typical of under-hood and cabin-mounted electronics.
What package type does S1JBH use, and is it RoHS compliant?
The S1JBH uses the DO-214AA (SMB) surface-mount package with matte tin-plated leads. It is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound meets UL 94V-0 flammability rating, and terminals comply with J-STD-002 for solderability. These specifications are documented in the Mechanical Data section of the S1JBH datasheet from Taiwan Semiconductor.
What is the forward voltage drop (VF) of S1JBH at rated current?
The S1JBH has a maximum forward voltage drop of 1.1 V at IF = 1 A and TJ = 25°C, as specified in the Electrical Specifications table. This low VF reduces conduction losses and improves thermal efficiency in high-duty-cycle applications such as automotive LED drivers. Measured under pulse conditions (PW = 0.3 ms), this value reflects real-world performance under typical switching operation.
Does S1JBH have a specified junction capacitance, and why does it matter?
Yes, the S1JBH has a typical junction capacitance (CJ) of 12 pF measured at 1 MHz and VR = 4.0 V. This parameter influences high-frequency behavior in snubber networks and EMI filtering - lower CJ helps minimize capacitive coupling into adjacent signal traces. In automotive applications like CAN bus proximity layouts, controlling CJ is essential to avoid noise injection, making the S1JBH's 12 pF value a verified design advantage.
S1JBH 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):
- 600 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):
- -
- Current - Reverse Leakage @ Vr:
- 5 µA @ 600 V
- Capacitance @ Vr, F:
- 12pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
- Operating Temperature - Junction:
- -55°C ~ 150°C
S1JBH FAQ
1.How can I place an order for S1JBH through Aetrix?
Please submit a Request for Quotation (RFQ) for S1JBH 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 S1JBH reliable?
The price and inventory of S1JBH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S1JBH is usually 5 days.
3.What payment methods are accepted for S1JBH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S1JBH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S1JBH?
S1JBH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S1JBH 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 S1JBH?
For technical support, including S1JBH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S1JBH requirements.
6.How does Aetrix verify that S1JBH is sourced from the original manufacturer or authorized distributors?
All S1JBH 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 S1JBH meets industry standards.
7.What is the process for return or replacement of S1JBH?
All S1JBH units undergo pre-shipment inspection (PSI). If there is an issue with S1JBH, 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 S1JBH part is unused and in its original packaging.
Return procedure for S1JBH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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