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Taiwan Semiconductor Corporation S12JC V7G
- Part No.:
- S12JC V7G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
S12JC V7G.pdf
- Description:
- DIODE GEN PURP 600V 12A DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,938
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Product details
Overview
S12JC V7G from Taiwan Semiconductor is a 12A, 600V surface-mount glass-passivated silicon rectifier diode in DO-214AB (SMC) package, featuring low forward voltage drop (≤1.1 V at 12 A), high surge capability (300 A IFSM), and 150°C maximum junction temperature - deployed in AC/DC front-end stages of industrial SMPS and LED drivers.
For engineers reviewing the S12JC V7G datasheet, S12JC V7G pinout, S12JC V7G application, or S12JC V7G equivalent, key selection criteria include repetitive peak reverse voltage (600 V), thermal resistance (9°C/W RθJL), moisture sensitivity level (J-STD-020 Level 1), RoHS/halogen-free compliance, and tape-and-reel packaging for automated assembly.
Technical Context
The S12JC V7G is a single-die, standard recovery rectifier optimized for high-current, medium-voltage switching power conversion. Its glass-passivated junction ensures stable reverse leakage (<1 µA at 25°C, <250 µA at 125°C) and robust surge tolerance under 8.3 ms half-sine stress.
Thermally, it delivers 9°C/W junction-to-lead resistance and 44°C/W junction-to-ambient rating, enabling reliable operation up to 150°C junction temperature with appropriate PCB copper area. The DO-214AB (SMC) package supports automated placement and meets UL 94V-0 flammability and JESD201 Class 2 whisker resistance standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Maximum non-repetitive reverse blocking voltage; defines safe operating range in bridge or output rectification circuits |
| IF | 12 A - Continuous average forward current at TA = 75°C; determines heatsink sizing and conduction loss budget |
| IFSM | 300 A - Peak non-repetitive surge current (8.3 ms); critical for handling line transients and startup inrush |
| VF | ≤1.1 V @ 12 A, 25°C - Forward voltage drop directly impacts conduction loss and thermal design in high-efficiency SMPS |
| RθJL | 9 °C/W - Junction-to-lead thermal resistance; enables direct thermal coupling to PCB copper for passive cooling |
| CJ | 78 pF @ 4 V - Junction capacitance affects high-frequency switching noise and EMI filter design |
Pinout & Package
DO-214AB (SMC) surface-mount package with cathode-indicating band; matte tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance. Weight: 0.270 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current entry point | Connected to AC input or transformer secondary; requires adequate trace width for 12 A continuous current |
| Cathode (Lead 2) | Forward current exit / reverse voltage reference | Marked by band; ties to output rail or ground return; critical for polarity-sensitive layouts |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures long-term stability of reverse leakage and breakdown characteristics across temperature and humidity stress |
| Low VF (≤1.1 V) | Reduces conduction losses by ~15% vs. comparable 12 A rectifiers, improving efficiency in 100–500 W SMPS designs |
| J-STD-020 Level 1 MSL | Enables unlimited floor life and reflow compatibility without baking - simplifies SMT line logistics |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally regulated end equipment |
Applications
| Industrial SMPS Front-End | LED Driver Secondary Rectification |
|---|---|
Use Scenario: High-efficiency 300–600 W offline power supply with PFC stage and LLC resonant converter. IC Role / Device Role / Timing Role: Output rectifier in synchronous or diode-based secondary side; handles 12 A DC output current. Use Value: Low VF minimizes conduction loss at full load; 300 A IFSM withstands output capacitor charging surges. | Use Scenario: Constant-current LED driver for street lighting with wide-input AC range (90–305 VAC). IC Role / Device Role / Timing Role: Bridge rectifier leg in full-wave configuration feeding bulk capacitor and buck controller. Use Value: 600 V VRRM provides margin above 305 VAC peak (≈430 V); DO-214AB footprint supports high-power density layout. |
| AC/DC Adapter Output Stage | DC-DC Converter Input Rectification |
Use Scenario: Universal-input 65 W laptop adapter with flyback topology and 19 V/3.4 A output. IC Role / Device Role / Timing Role: Primary-side rectifier in auxiliary winding supply circuit powering PWM controller bias. Use Value: 150°C TJMAX allows operation in thermally constrained adapter enclosures; Level 1 MSL simplifies manufacturing. | Use Scenario: 48 V input telecom DC-DC module converting to 12 V for server board distribution. IC Role / Device Role / Timing Role: Input rectifier in isolated forward converter primary clamp path. Use Value: 9°C/W RθJL enables direct thermal transfer to heatsink; glass passivation prevents degradation under repeated thermal cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1206D (STMicroelectronics) | 600 V VRRM, 12 A IF, but faster recovery (trr = 65 ns) and higher VF (1.7 V) | Better suited for high-frequency (>100 kHz) converters where reverse recovery loss dominates | Select STTH1206D when switching frequency exceeds 80 kHz; retain S12JC V7G for cost-sensitive, thermally constrained 50–80 kHz designs |
| GBU12K (ON Semiconductor) | 600 V VRRM, 12 A IF, but GBU package (larger, through-hole) and higher VF (1.2 V) | Requires PCB redesign for through-hole mounting; less suitable for automated SMT lines | Choose GBU12K only for legacy through-hole production; S12JC V7G offers superior SMT scalability and thermal performance |
Compared with STTH1206D and GBU12K, the S12JC V7G delivers optimal balance of low conduction loss, SMT compatibility, and thermal robustness for mid-frequency industrial power supplies - without requiring layout changes or sacrificing reliability.
Availability
S12JC V7G is available at Aetrix Electronics and suitable for switching mode power supplies, LED drivers, and AC/DC adapters requiring stable component supply, J-STD-020 Level 1 moisture handling, and RoHS-compliant sourcing.
Supply support for S12JC V7G 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 devices, and MOSFETs since 1979.
The S12JC V7G belongs to TSC's S12x series of high-current surface-mount rectifiers, engineered specifically for rugged, high-efficiency AC/DC conversion in industrial and lighting applications where thermal stability and automated assembly are critical.
FAQ
What is the maximum junction temperature rating for the S12JC V7G?
The S12JC V7G has a maximum junction temperature (TJMAX) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet (Version D2102). This rating enables reliable operation in thermally demanding environments such as enclosed LED drivers and industrial SMPS, provided thermal resistance paths (RθJL = 9°C/W) are properly managed on the PCB. The S12JC V7G must not be operated beyond this limit to ensure long-term reliability.
Does the S12JC V7G have a specified reverse recovery time (trr)?
No, the S12JC V7G is a standard recovery rectifier and does not specify reverse recovery time (trr) in its official datasheet. Taiwan Semiconductor characterizes it via forward/reverse electrical curves and surge capability rather than fast-recovery metrics. For designs requiring controlled trr, engineers should consider fast-recovery alternatives like STTH1206D - the S12JC V7G is optimized for conduction efficiency and surge robustness, not high-frequency switching.
Is the S12JC V7G compatible with lead-free reflow soldering processes?
Yes, the S12JC V7G features matte tin-plated leads qualified per J-STD-002 for solderability and is rated MSL Level 1 per J-STD-020, meaning it supports standard lead-free reflow profiles (e.g., JEDEC J-STD-020 Class 3 peak of 260°C) without pre-baking. Its DO-214AB (SMC) package and halogen-free molding compound make the S12JC V7G fully compatible with modern RoHS-compliant manufacturing lines.
What marking code appears on the S12JC V7G device body?
The S12JC V7G is marked with "S12JC" on the device body, consistent with Taiwan Semiconductor's ordering code convention where "JC" denotes the 600 V variant in the S12x family. Additional markings include green compound indicator (G), date code (YW), and factory code (F), as shown in the official package outline diagram (Version D2102). No other alphanumeric variants apply to the S12JC V7G.
How does the S12JC V7G compare to the S12GC and S12MC variants?
The S12JC V7G shares identical package (DO-214AB), current rating (12 A), thermal specs (RθJL = 9°C/W), and construction with S12GC (400 V) and S12MC (1000 V), differing only in VRRM: 600 V for S12JC V7G. All three use the same die process and marking format. Engineers selecting among them must match VRRM to system peak reverse voltage requirements - the S12JC V7G is the optimal choice for 600 V-rated applications like universal-input SMPS.
S12JC V7G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 12A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 12 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 1 µA @ 600 V
- Capacitance @ Vr, F:
- 78pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
- Operating Temperature - Junction:
- -55°C ~ 150°C
S12JC V7G FAQ
1.How can I place an order for S12JC V7G through Aetrix?
Please submit a Request for Quotation (RFQ) for S12JC V7G 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 S12JC V7G reliable?
The price and inventory of S12JC V7G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S12JC V7G is usually 5 days.
3.What payment methods are accepted for S12JC V7G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S12JC V7G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S12JC V7G?
S12JC V7G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S12JC V7G 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 S12JC V7G?
For technical support, including S12JC V7G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S12JC V7G requirements.
6.How does Aetrix verify that S12JC V7G is sourced from the original manufacturer or authorized distributors?
All S12JC V7G 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 S12JC V7G meets industry standards.
7.What is the process for return or replacement of S12JC V7G?
All S12JC V7G units undergo pre-shipment inspection (PSI). If there is an issue with S12JC V7G, 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 S12JC V7G part is unused and in its original packaging.
Return procedure for S12JC V7G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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