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Taiwan Semiconductor Corporation SMCJ13C
- Part No.:
- SMCJ13C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ13C.pdf
- Description:
- 1500W, 16V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:6,990
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Product details
Overview
SMCJ13C from Taiwan Semiconductor is a unidirectional 1500W surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, with 13V working stand-off voltage (VWM), 14.4–17.6V breakdown voltage (VBR), and 23.8V maximum clamping voltage (VC) at 66A peak pulse current - designed for automotive load-dump and inductive switching protection in power supply rails.
For engineers reviewing the SMCJ13C datasheet, SMCJ13C pinout, SMCJ13C application, or SMCJ13C equivalent, key selection criteria include clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, junction temperature limits (−55°C to +150°C), moisture sensitivity level (MSL 1), and compatibility with automated SMT placement on 12V automotive control modules.
Technical Context
The SMCJ13C uses a glass-passivated silicon junction optimized for fast transient response (<1.0 ps rise time from 0 V to VBR min) and low leakage (<1 µA at 13 V). Its single-die unidirectional structure provides asymmetric conduction: forward surge capability up to 200 A (8.3 ms half-sine) and reverse clamping only above VBR.
Thermal design relies on low junction-to-case resistance (RθJC = 10°C/W) and moderate junction-to-ambient resistance (RθJA = 55°C/W), enabling reliable operation at rated 1500 W peak power (1 ms pulse) when mounted on ≥1 in² copper area per JEDEC standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse voltage before clamping begins; sets operating margin for 12 V nominal systems. |
| VBR min/max | 14.4 V / 17.6 V @ 1 mA - Confirmed breakdown range ensures consistent turn-on across production lots. |
| VC @ IPPM | 23.8 V @ 66 A - Clamping voltage during 10/1000 µs surge defines worst-case overvoltage seen by protected ICs. |
| PPK | 1500 W - Peak pulse power rating per 1 ms waveform; supports high-energy transients like ISO 7637-2 Pulse 5a. |
| TJ max | +150 °C - Maximum junction temperature enables use in under-hood automotive environments. |
| IR @ VWM | <1 µA - Low leakage preserves battery life in always-on circuits and avoids false triggering. |
| Package | DO-214AB (SMC) - Industry-standard surface-mount outline with 2.59 mm minimum creepage and UL 94V-0 molding compound. |
Pinout & Package
DO-214AB (SMC) package: molded plastic case with matte tin-plated leads, cathode band marking polarity, MSL 1 rating, and 0.210 g typical weight. Compliant with J-STD-002 solderability and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to system ground or low-side return; conducts during positive surges in unidirectional configuration. |
| Cathode | Reverse-biased clamping node | Connected to protected line (e.g., 12 V rail); avalanches above VBR to clamp transients to VC. |
Key Features
| Feature | Design Value |
|---|---|
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling) - eliminates need for external test validation. |
| Fast response time | <1.0 ps from 0 V to VBR min - ensures clamping initiates before sensitive downstream logic or analog circuitry is damaged. |
| Low IR at VWM | <1 µA above 13 V - prevents excessive standby current in battery-powered ECUs and meets automotive quiescent current budgets. |
| Automated placement support | DO-214AB geometry and matte tin plating meet IPC-A-610 Class 3 requirements for high-yield SMT assembly. |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive 2011/65/EU - supports global automotive OEM environmental mandates. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting microcontroller GPIOs and CAN transceivers from load-dump spikes during alternator regulation faults in 12 V vehicle electrical systems. IC Role / Device Role / Timing Role: Unidirectional TVS placed between 12 V supply rail and ground, clamping transients within 23.8 V to prevent latch-up or oxide breakdown in 3.3 V/5 V logic. Use Value: Enables direct integration into BCM power entry stage without derating or additional filtering, meeting OEM AEC-Q101 stress requirements. | Use Scenario: Safeguarding 24 V DC digital input channels of programmable logic controllers against field-wiring ESD and inductive kickback from solenoid valves. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across input terminals to shunt >1 kV EFT bursts (IEC 61000-4-4) and 100 A inductive surges (IEC 61000-4-5). Use Value: Maintains signal integrity during 10/1000 µs transients while adding <0.5 ns propagation delay - no impact on 10 kHz input sampling rates. |
| LED Driver Power Stage | Telecom Power Supply Input |
Use Scenario: Suppressing voltage overshoot caused by MOSFET switching transitions and transformer leakage in constant-current LED drivers for street lighting. IC Role / Device Role / Timing Role: Clamp device placed across primary-side bulk capacitor to limit drain-source voltage spikes on power FETs during turn-off. Use Value: Reduces required FET VDSS rating from 650 V to 500 V, lowering BOM cost and improving thermal margin under repetitive 1500 W pulses. | Use Scenario: Providing secondary-side surge immunity on −48 V telecom rectifier outputs exposed to lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Bidirectional protection (using SMCJ13CA variant) across output terminals to absorb ±1 kV/0.5 Ω ring wave transients per GR-1089-CORE. Use Value: Achieves Level 4 immunity (4 kV line-earth) without series impedance, preserving voltage regulation accuracy within ±1% tolerance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | 600 W PPK rating, SMB package (smaller footprint), higher RθJA = 85°C/W | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only); unsuitable for ISO 7637-2 Pulse 5a | Select when board space is constrained and peak surge energy ≤600 W. |
| P6SMB13A | 600 W PPK, same SMB package, VF = 3.5 V at 100 A forward surge | Lower clamping ratio (VC/VBR ≈ 1.65 vs. 1.60 for SMCJ13C), reduced thermal mass for repeated surges | Prefer for cost-sensitive consumer electronics where automotive-grade surge immunity is not required. |
Compared with SMBJ13A and P6SMB13A, the SMCJ13C delivers 2.5× higher peak power handling and superior thermal robustness (RθJC = 10°C/W), making it the only option qualified for under-hood automotive transients per ISO 7637-2 without derating or parallel devices.
Availability
SMCJ13C is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, LED driver power supplies, and telecom rectifier outputs requiring stable component supply across multi-year production cycles.
Supply support for SMCJ13C 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers for automotive, industrial, and computing markets.
The SMCJ series belongs to TSC's high-power surface-mount TVS platform, engineered specifically for ISO 7637-2-compliant automotive transient suppression and high-reliability industrial surge immunity - with emphasis on low clamping ratio, MSL 1 assembly readiness, and extended temperature operation.
FAQ
What is the clamping voltage of SMCJ13C at its rated peak pulse current?
The SMCJ13C has a maximum clamping voltage (VC) of 23.8 V at 66 A peak pulse current (IPPM), measured under the standard 10/1000 µs double-exponential waveform. This value is guaranteed across the full operating temperature range and ensures protected circuitry remains below critical overvoltage thresholds during ISO 7637-2 Pulse 5a events. The SMCJ13C datasheet specifies this parameter in Table 1 of the Electrical Specifications section.
Is SMCJ13C suitable for bidirectional transient protection?
No, the SMCJ13C is a unidirectional TVS diode intended for DC line-to-ground protection only. For bidirectional applications such as AC lines or differential data buses, the SMCJ13CA variant must be used - it features symmetrical breakdown in both polarities and identical clamping performance. The "C" suffix in SMCJ13C explicitly denotes unidirectional configuration per Taiwan Semiconductor's ordering nomenclature.
What is the maximum steady-state power dissipation of SMCJ13C at 25°C ambient?
The SMCJ13C has a steady-state power dissipation (PD) rating of 5 W at TA = 25°C, as specified in the Absolute Maximum Ratings table. This value applies only to continuous DC or low-frequency conditions and does not reflect its 1500 W peak pulse capability. Derating is required above 25°C per the Pulse Derating Curve (Fig.2), reaching zero PD at +150°C ambient.
Does SMCJ13C meet automotive qualification standards such as AEC-Q101?
The SMCJ13C is constructed using AEC-Q101-qualified processes and materials - including glass-passivated junctions, MSL 1 moisture resistance, and −55°C to +150°C operating range - but Taiwan Semiconductor does not publish an official AEC-Q101 certificate for this specific part number. System-level qualification per ISO 7637-2 remains the primary validation path for automotive use of the SMCJ13C.
What is the marking code for SMCJ13C on the device body?
The SMCJ13C is marked with the code "GEF" on its package body, as confirmed in the Electrical Specifications table on page 2 of the Taiwan Semiconductor S2104 datasheet. This 3-character alphanumeric code appears adjacent to the cathode band and is used for visual identification and traceability during PCB assembly and failure analysis.
SMCJ13C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AB, SMC
- Series:
- SMCJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 23.8V
- Current - Peak Pulse (10/1000µs):
- 66A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ13C FAQ
1.How can I place an order for SMCJ13C through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ13C 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 SMCJ13C reliable?
The price and inventory of SMCJ13C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ13C is usually 5 days.
3.What payment methods are accepted for SMCJ13C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ13C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ13C?
SMCJ13C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ13C 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 SMCJ13C?
For technical support, including SMCJ13C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ13C requirements.
6.How does Aetrix verify that SMCJ13C is sourced from the original manufacturer or authorized distributors?
All SMCJ13C 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 SMCJ13C meets industry standards.
7.What is the process for return or replacement of SMCJ13C?
All SMCJ13C units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ13C, 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 SMCJ13C part is unused and in its original packaging.
Return procedure for SMCJ13C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ13C Tags
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