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Taiwan Semiconductor Corporation S5JBH
- Part No.:
- S5JBH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
S5JBH.pdf
- Description:
- DIODE GEN PURP 600V 5A DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,000
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Product details
Overview
S5JBH from Taiwan Semiconductor is a surface-mount silicon rectifier diode rated for 600 V repetitive peak reverse voltage (VRRM), 5 A average forward current (IF), and 200 A non-repetitive surge current (IFSM) at 25°C, with a maximum forward voltage of 1.1 V at 5 A and 25°C - used in automotive DC-DC converters and freewheeling paths.
For engineers reviewing the S5JBH datasheet, S5JBH pinout, S5JBH application, or S5JBH equivalent, key selection criteria include its DO-214AA (SMB) package, AEC-Q101 qualification, glass-passivated junction, 150°C max junction temperature, and 13°C/W junction-to-lead thermal resistance for thermal design validation.
Technical Context
The S5JBH is a single-die, unidirectional silicon rectifier optimized for high-reliability automotive and industrial power conversion. Its glass-passivated junction ensures stable reverse leakage (<10 µA at 25°C, <250 µA at 125°C) and robust surge handling (540 A at 1.0 ms, 25°C).
Thermally, it delivers RθJL = 13°C/W and RθJA = 47°C/W in standard SMB mounting, enabling efficient heat transfer to PCB copper or heatsink leads without auxiliary cooling in moderate-power applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - defines maximum allowable reverse-biased blocking voltage in continuous operation |
| IF | 5 A - maximum average forward current under specified thermal conditions (TA ≤ 75°C) |
| IFSM (8.3 ms) | 200 A - peak non-repetitive surge current capability for line-frequency transient protection |
| VF @ 5 A, 25°C | ≤1.1 V - low conduction loss critical for efficiency in 12 V/24 V automotive DC-DC stages |
| IR @ 600 V, 25°C | ≤10 µA - minimal leakage ensures stable snubber and hold-up performance |
| TJ max | +150°C - enables operation in under-hood environments per AEC-Q101 stress requirements |
| CJ @ 4 V, 1 MHz | 40 pF - low junction capacitance minimizes switching noise in high-frequency freewheeling |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-anode/single-cathode configuration; cathode indicated by molded band; matte tin-plated leads compliant with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current entry point | Connected to lower-potential side (e.g., switch node or ground return) in freewheeling or rectification path |
| Cathode (Lead 2) | Forward current exit / reverse-blocking terminal | Connected to higher-potential rail; polarity band identifies this terminal for correct PCB placement |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Glass-passivated junction | Eliminates moisture-induced degradation and improves long-term reverse leakage stability vs. epoxy-passivated alternatives |
| Low VF (≤1.1 V @ 5 A) | Reduces conduction losses by ~15% compared to legacy 1.3 V rectifiers at same current, improving system efficiency |
| Junction-to-lead RθJL = 13°C/W | Enables direct thermal coupling to PCB copper pour or metal-core substrate without thermal vias in many 5–10 W designs |
| Moisture sensitivity level 1 | No bake preconditioning required before reflow, simplifying SMT assembly and reducing process risk |
Applications
| Automotive DC-DC Converters | Car Lighting Power Supplies |
|---|---|
Use Scenario: High-efficiency buck-derived 12 V to 5 V/3.3 V conversion in headlamp control modules and ADAS ECUs. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous or quasi-resonant topologies, conducting during low-side switch off-time. Use Value: Low VF and 200 A IFSM ensure minimal power loss and reliable handling of inductive kickback during load transients. | Use Scenario: Input rectification and output freewheeling in LED driver circuits for daytime running lights (DRL) and matrix headlights. IC Role / Device Role / Timing Role: Unidirectional current path enabling constant-current regulation while blocking reverse voltage spikes. Use Value: AEC-Q101 qualification and 150°C TJ rating support sustained operation in sealed, thermally constrained lamp housings. |
| Snubber Networks | Industrial Freewheeling Paths |
Use Scenario: RC snubber across MOSFETs or IGBTs in motor drive inverters and HVAC compressors. IC Role / Device Role / Timing Role: Clamping diode that conducts transient energy into the snubber capacitor during switching transitions. Use Value: Fast recovery (implied by low CJ and glass passivation) and 600 V VRRM provide precise voltage clamping without oscillation or overstress. | Use Scenario: Inductive load flyback suppression in solenoid drivers, relay interfaces, and PLC output stages. IC Role / Device Role / Timing Role: Passive freewheeling element providing low-impedance path for stored magnetic energy dissipation. Use Value: 540 A 1.0 ms surge rating accommodates worst-case inductive turn-off events without failure or parameter shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-5EWH06-M3 | VRRM = 600 V, IF = 5 A, VF = 1.15 V (max), RθJA = 50°C/W, same DO-214AA package | Higher VF increases conduction loss; slightly higher thermal resistance limits power density | Acceptable where margin exists in thermal budget and efficiency targets allow +0.05 V VF penalty |
| ON Semiconductor MUR560G | VRRM = 600 V, IF = 5 A, VF = 1.15 V (typ), ultrafast recovery (trr = 75 ns), RθJA = 55°C/W | Faster recovery reduces switching noise but adds cost; higher RθJA requires more PCB copper | Preferred only when EMI reduction is critical and thermal layout can accommodate higher RθJA |
Compared with VS-5EWH06-M3 and MUR560G, the S5JBH offers lower thermal resistance (13°C/W RθJL) and tighter VF control (≤1.1 V), making it optimal for space-constrained automotive modules where board-level heat spreading is limited and efficiency margins are narrow.
Availability
S5JBH is available at Aetrix Electronics and suitable for automotive DC-DC converters, car lighting power supplies, and industrial freewheeling applications requiring stable component supply, AEC-Q101 compliance, and consistent DO-214AA (SMB) packaging.
Supply support for S5JBH 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 power devices and protection components.
The S5JBH belongs to TSC's AEC-Q101-qualified S5x series of surface-mount rectifiers, designed specifically for automotive power conversion systems demanding robust surge immunity, low thermal resistance, and long-term parametric stability under thermal cycling.
FAQ
What is the maximum junction temperature rating for the S5JBH?
The S5JBH has a maximum junction temperature (TJ) rating of +150°C, validated per AEC-Q101 stress testing. This allows reliable operation in under-hood automotive environments and thermally dense industrial PCB layouts. The S5JBH must be mounted on adequate copper area to maintain junction temperature within this limit during 5 A continuous conduction.
Is the S5JBH pin-compatible with other parts in the S5GBH–S5MBH family?
Yes - all S5GBH, S5JBH, S5KBH, and S5MBH share identical DO-214AA (SMB) package dimensions, lead finish, polarity marking, and mechanical footprint. Only VRRM differs (400 V to 1000 V), so S5JBH may be substituted for S5GBH or S5KBH only if 600 V blocking suffices and thermal design accounts for identical RθJL = 13°C/W.
Does the S5JBH have a specified reverse recovery time (trr)?
No - the official S5JBH datasheet does not specify reverse recovery time. It is characterized as a general-purpose rectifier, not an ultrafast or soft-recovery device. For applications requiring trr < 100 ns, engineers should verify switching behavior empirically or select a dedicated ultrafast rectifier such as the ON Semiconductor MUR560G instead of relying on S5JBH.
What does the marking code "S5JB" on the S5JBH device indicate?
The marking code "S5JB" laser-etched on the S5JBH body identifies the specific variant within the S5x family: "S5" denotes the series, "J" corresponds to 600 V VRRM, and "B" indicates the DO-214AA (SMB) package. This matches the ordering code S5JBH and confirms correct voltage grade and packaging upon visual inspection.
How is the S5JBH protected against moisture during reflow soldering?
The S5JBH is rated Moisture Sensitivity Level (MSL) 1 per J-STD-020, meaning it may be stored indefinitely at ≤30°C/60% RH and subjected to standard Pb-free reflow profiles (peak ≤260°C) without baking. This eliminates pre-reflow drying steps, reducing SMT line complexity and preventing delamination risk associated with over-baking.
S5JBH 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):
- 5A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 5 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 10 µA @ 600 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
S5JBH FAQ
1.How can I place an order for S5JBH through Aetrix?
Please submit a Request for Quotation (RFQ) for S5JBH 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 S5JBH reliable?
The price and inventory of S5JBH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S5JBH is usually 5 days.
3.What payment methods are accepted for S5JBH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S5JBH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S5JBH?
S5JBH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S5JBH 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 S5JBH?
For technical support, including S5JBH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S5JBH requirements.
6.How does Aetrix verify that S5JBH is sourced from the original manufacturer or authorized distributors?
All S5JBH 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 S5JBH meets industry standards.
7.What is the process for return or replacement of S5JBH?
All S5JBH units undergo pre-shipment inspection (PSI). If there is an issue with S5JBH, 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 S5JBH part is unused and in its original packaging.
Return procedure for S5JBH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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