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Taiwan Semiconductor Corporation S15MCHV7G
- Part No.:
- S15MCHV7G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
S15MCHV7G.pdf
- Description:
- DIODE GEN PURP 1KV 15A DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,731
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Product details
Overview
S15MCHV7G from Taiwan Semiconductor is a 15A, 1000V surface-mount silicon rectifier diode in DO-214AB (SMC) package, featuring glass-passivated junction, 1.1V max forward voltage at 15A/25°C, 350A peak surge capability, and J-STD-020 Level 1 moisture sensitivity - used in freewheeling paths and high-voltage switching mode inverters for telecom power supplies.
For engineers reviewing the S15MCHV7G datasheet, S15MCHV7G pinout, S15MCHV7G application, or S15MCHV7G equivalent, key selection criteria include repetitive peak reverse voltage (1000V), thermal resistance (8°C/W junction-to-lead), RoHS/halogen-free compliance, and compatibility with automated SMT placement on high-reliability industrial power boards.
Technical Context
This single-die standard recovery rectifier operates with a maximum junction temperature of 150°C and supports continuous forward current up to 15A at case temperature ≤75°C. Its 1000V VRRM rating enables use in 800V DC bus systems with margin, while the 93pF junction capacitance at 4V reverse bias minimizes high-frequency switching losses in flyback and PFC stages.
The device exhibits low leakage - ≤1µA at 25°C and ≤250µA at 125°C under rated reverse voltage - and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements for molded compound. Cathode polarity is marked by a visible band on the DO-214AB body.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - supports 800V DC-link applications with 25% voltage margin |
| IF | 15 A - continuous average forward current at TC = 75°C |
| IFSM | 350 A - withstands 8.3ms half-sine surge without failure |
| VF (max) | 1.1 V @ 15A, 25°C - reduces conduction loss in high-current rectification |
| RθJL | 8 °C/W - enables efficient heat transfer to PCB copper pour or heatsink |
| CJ | 93 pF @ 1MHz, 4V - limits capacitive turn-off current in hard-switched topologies |
| Moisture Sensitivity | Level 1 per J-STD-020 - no bake required before reflow |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, matte tin-plated leads, cathode indicated by band. Weight: 0.270g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side (e.g., switch node in buck/flyback) |
| Cathode | Forward current exit point | Connected to higher-potential rail (e.g., output capacitor positive) |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enhances long-term reliability under humidity and thermal cycling stress |
| Low VF (≤1.1V) | Reduces power dissipation by ~1.65W vs. 1.2V diodes at 15A |
| High IFSM (350A) | Survives inrush and fault currents in offline SMPS without bond-wire fusing |
| RoHS + halogen-free | Complies with IEC 61249-2-21 and global environmental directives |
| DO-214AB mechanical robustness | Withstands >100g mechanical shock and meets IPC-J-STD-020 reflow profile |
Applications
| Telecom AC-DC Front-End | Industrial Motor Drive Freewheeling |
|---|---|
Use Scenario: Rectifying 400–600VAC input in telecom rectifier modules with active PFC stage. IC Role / Device Role / Timing Role: Main output rectifier in boost PFC and LLC resonant secondary side. Use Value: 1000V VRRM accommodates reflected transients and line surges without derating. | Use Scenario: Clamping inductive kickback from 48–300V DC motor windings during PWM commutation. IC Role / Device Role / Timing Role: Freewheeling diode across H-bridge low-side switches. Use Value: 350A IFSM handles short-circuit energy without degradation over 100k+ cycles. |
| Server Power Supply Output Stage | Renewable Energy Inverter DC Link |
Use Scenario: Secondary-side synchronous rectification replacement in 12V/54A server VRMs. IC Role / Device Role / Timing Role: High-current OR-ing diode in redundant 12V distribution. Use Value: Low RθJL (8°C/W) allows direct mounting to 2oz copper plane for thermal management. | Use Scenario: DC bus protection in solar string inverters with 1000V nominal PV arrays. IC Role / Device Role / Timing Role: Reverse-polarity blocking diode in MPPT input stage. Use Value: ≤1µA IR at 25°C ensures minimal leakage loss in high-impedance PV strings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1510DJF | 15A, 1000V, TO-220AC package; faster recovery (trr = 65ns) but higher VF (1.25V) | Requires heatsink; unsuitable for dense SMT layouts | Prefer when thermal budget allows discrete mounting and fast recovery is critical |
| VS-15EWH10-M3 | 15A, 1000V, DO-214AB; slightly higher VF (1.15V) and lower IFSM (300A) | Same footprint but reduced surge margin in high-inrush designs | Acceptable where surge events are limited and layout space matches S15MCHV7G |
Compared with STTH1510DJF and VS-15EWH10-M3, the S15MCHV7G delivers optimal balance of low VF, industry-leading IFSM, and SMT-ready DO-214AB packaging - making it preferred for compact, high-reliability telecom and industrial power converters where thermal and surge performance are co-critical.
Availability
S15MCHV7G is available at Aetrix Electronics and suitable for telecom rectifiers, industrial motor drives, server VRMs, and renewable energy inverters requiring stable component supply and full traceability.
Supply support for S15MCHV7G 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 industrial, computing, and power electronics markets since 1979.
The S15MCHV7G belongs to TSC's S15x series of high-current, high-voltage rectifiers designed specifically for ruggedized SMT deployment in mission-critical AC-DC and DC-DC conversion systems.
FAQ
What is the maximum junction temperature rating for the S15MCHV7G?
The S15MCHV7G has a maximum junction temperature (TJ) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet. This rating applies under steady-state conditions with proper thermal management - such as mounting on ≥2oz copper with thermal vias - and allows operation in ambient temperatures up to +100°C when derated per the forward current derating curve. The S15MCHV7G must not exceed this limit to ensure long-term reliability.
Does the S15MCHV7G meet RoHS and halogen-free requirements?
Yes, the S15MCHV7G is RoHS compliant and halogen-free per IEC 61249-2-21, as confirmed in the "Features" section of the Taiwan Semiconductor datasheet. The molding compound contains no brominated flame retardants or chlorine-based additives, and lead content is below 1000 ppm. These specifications make the S15MCHV7G suitable for export to EU, Japan, and other regulated markets requiring strict environmental compliance.
What is the marking code for the S15MCHV7G on the device body?
The S15MCHV7G is marked with "S15MC" on the device body, consistent with Taiwan Semiconductor's ordering code convention where "MC" denotes the 1000V variant in the S15x family. The "HV7G" suffix in the full orderable part number reflects tape-and-reel packaging and green compound, but only "S15MC" appears physically on the DO-214AB package. Polarity is indicated by a cathode band adjacent to the marking.
Can the S15MCHV7G be used in place of the S15GC or S15KC variants?
No - the S15MCHV7G is electrically and mechanically distinct from S15GC (400V) and S15KC (800V). While all share the same DO-214AB package and thermal specs, their VRRM ratings differ fundamentally: S15MCHV7G is rated for 1000V, whereas S15GC and S15KC are rated for 400V and 800V respectively. Substitution requires verification of voltage margin, transient immunity, and system-level stress analysis - the S15MCHV7G is not a drop-in replacement for lower-voltage variants.
What is the typical junction capacitance of the S15MCHV7G and how does it affect switching behavior?
The S15MCHV7G has a typical junction capacitance (CJ) of 93pF measured at 1MHz and 4.0V reverse bias. This value influences reverse recovery characteristics and high-frequency switching losses - particularly in flyback and LLC converters operating above 100kHz. Lower CJ reduces displacement current during turn-off, minimizing EMI generation and gate drive loading on synchronous MOSFETs sharing the same node. The S15MCHV7G's 93pF is optimized for balance between surge robustness and RF performance.
S15MCHV7G 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):
- 1000 V
- Current - Average Rectified (Io):
- 15A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 15 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 1 µA @ 1000 V
- Capacitance @ Vr, F:
- 93pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
- Operating Temperature - Junction:
- -55°C ~ 150°C
S15MCHV7G FAQ
1.How can I place an order for S15MCHV7G through Aetrix?
Please submit a Request for Quotation (RFQ) for S15MCHV7G 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 S15MCHV7G reliable?
The price and inventory of S15MCHV7G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S15MCHV7G is usually 5 days.
3.What payment methods are accepted for S15MCHV7G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S15MCHV7G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S15MCHV7G?
S15MCHV7G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S15MCHV7G 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 S15MCHV7G?
For technical support, including S15MCHV7G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S15MCHV7G requirements.
6.How does Aetrix verify that S15MCHV7G is sourced from the original manufacturer or authorized distributors?
All S15MCHV7G 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 S15MCHV7G meets industry standards.
7.What is the process for return or replacement of S15MCHV7G?
All S15MCHV7G units undergo pre-shipment inspection (PSI). If there is an issue with S15MCHV7G, 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 S15MCHV7G part is unused and in its original packaging.
Return procedure for S15MCHV7G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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