My Inquiry
My Account
Taiwan Semiconductor Corporation SMCJ60C
- Part No.:
- SMCJ60C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60C.pdf
- Description:
- 1500W, 74.1V, 10%, BIDIRECTIONAL
- Quantity:
- Payment:
- Shipping:
Inventory:6,741
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCJ60C from Taiwan Semiconductor is a bidirectional 1500W surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, with 60V working stand-off voltage (VWM), 66.7–81.5V breakdown voltage (VBR), and 107V maximum clamping voltage (VC) at 14A peak pulse current - designed for automotive load-dump and ISO 7637-2 Pulse 1/2a/2b/3a/3b protection.
For engineers reviewing the SMCJ60C datasheet, SMCJ60C pinout, SMCJ60C application, or SMCJ60C equivalent, this device delivers fast sub-1ps response, <1μA reverse leakage above 10V, glass-passivated junction reliability, and RoHS/halogen-free compliance - critical for ESD and electrical fast transient (EFT) immunity in automotive power electronics and industrial control interfaces.
Technical Context
The SMCJ60C operates as a bidirectional avalanche diode, symmetrically clamping transients in both polarities without polarity dependence. Its 1500W peak pulse power rating (tp = 1ms) and 107V clamping voltage at 14A ensure robust suppression of high-energy surges while maintaining safe voltage margins for downstream 60V-rated circuitry.
Thermally, it features 10°C/W junction-to-case resistance and 55°C/W junction-to-ambient resistance, enabling stable operation up to +150°C junction temperature. The DO-214AB package supports automated placement and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous reverse operating voltage before clamping begins; defines system DC bus compatibility. |
| VBR min / max | 66.7 V / 81.5 V - Breakdown occurs within this range at 1 mA test current; ensures predictable turn-on threshold. |
| VC @ IPPM | 107 V - Clamped voltage at 14 A peak pulse current; determines maximum stress on protected ICs. |
| PPK | 1500 W - Peak pulse power handling per 1 ms waveform; validates suitability for ISO 7637-2 Pulse 5a load-dump events. |
| IR @ VWM | <1 µA - Reverse leakage at rated stand-off voltage; minimizes standby power loss and signal integrity impact. |
| TJ max | +150 °C - Maximum junction temperature; supports under-hood automotive deployment without derating. |
| Response time | <1.0 ps - Time from 0 V to VBR min; enables effective suppression of nanosecond-scale ESD and EFT transients. |
Pinout & Package
DO-214AB (SMC) surface-mount package with cathode band marking for unidirectional variants; SMCJ60C is bidirectional and marked with "GGH" (per datasheet), with no polarity-dependent terminals - both leads function identically as symmetrical surge paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge conduction path | No polarity assignment - either terminal accepts positive or negative transients; eliminates layout orientation constraints. |
| Case | Thermal and mechanical interface | Exposed copper pad area provides primary heat dissipation path to PCB copper; requires thermal pad design per JEDEC MO-214AC. |
Key Features
| Feature | Design Value |
|---|---|
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive switch-off), Pulse 2a/2b (battery disconnect/load dump), and Pulse 3a/3b (EFT), enabling drop-in use in automotive ECUs. |
| Glass passivated junction | Enhances long-term reliability under thermal cycling and humidity exposure - critical for 15-year automotive service life. |
| Moisture sensitivity level 1 | Zero bake requirement prior to reflow; supports standard SMT assembly without moisture-related popcorning risk. |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive 2011/65/EU - required for global automotive OEM supply chains. |
| Automated placement compatible | DO-214AB footprint and matte tin-plated leads meet J-STD-002 solderability requirements for high-yield pick-and-place. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller GPIOs from battery line transients during load dump and jump-start events. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between power rail and ground, absorbing energy before it reaches sensitive analog front-end or communication ICs. Use Value: Limits voltage excursion to ≤107 V during 14 A surge, preserving 60 V-rated CAN/LIN transceivers and preventing latch-up or gate oxide damage. |
Use Scenario: Safeguarding 24 VDC digital input channels against field-wiring induced surges and relay coil flyback in factory automation systems. IC Role / Device Role / Timing Role: Primary overvoltage clamp at connector entry point, shunting transient energy directly to chassis ground before reaching optocoupler or MCU input stage. Use Value: Withstands repetitive 1 kV/500 Ω ring wave surges per IEC 61000-4-5 while maintaining <1 µA leakage at 24 V nominal - ensuring low false-trigger rate. |
| LED Streetlight Driver Power Stage | Medical Diagnostic Equipment Power Entry |
Use Scenario: Suppressing inductive switching spikes from MOSFET-based buck/boost converters driving high-power LED strings. IC Role / Device Role / Timing Role: Parallel-connected TVS across bulk capacitor and switching node, clamping voltage overshoot during MOSFET turn-off transitions. Use Value: 1500 W peak power rating handles 100 µs–1 ms pulses common in LED driver flyback, preventing overvoltage failure of 100 V-rated power FETs. |
Use Scenario: Providing secondary-level surge protection at AC/DC power entry of portable ultrasound or patient monitor units. IC Role / Device Role / Timing Role: Final-stage transient limiter after MOV and fuse, ensuring sub-100 ns ESD events (IEC 61000-4-2 ±8 kV contact) do not propagate to isolated DC rails. Use Value: Sub-1 ps response time captures fast ESD rise times, and 107 V clamping protects 60 V-rated LDOs and ADC reference circuits without compromising accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ60CA | Same DO-214AC (SMA) package; 1000 W PPK rating; 106 V VC @ 12.3 A; slightly lower surge capacity. | Lower peak power limits use in high-energy load-dump scenarios; suitable where space-constrained layouts require smaller SMA footprint. | Select SMAJ60CA only if board space is limited and surge energy remains below 100 mJ - verify against ISO 7637-2 Pulse 5a waveform envelope. |
| Vishay SMF60CA | DO-219AB (SMF) package; 200 W PPK rating; 93.6 V VC @ 2.2 A; significantly lower power handling. | Intended for low-energy ESD/EFT only (IEC 61000-4-2/4-4); unsuitable for automotive load-dump or inductive switching protection. | Choose SMF60CA exclusively for handheld medical or consumer devices requiring minimal footprint and low-cost ESD guard - not for industrial or automotive power rails. |
Compared with SMCJ60C, SMAJ60CA offers identical voltage ratings but reduced surge margin and smaller package, while SMF60CA sacrifices >85% peak power capability for ultra-compact size - making SMCJ60C the only option validated for full ISO 7637-2 compliance in demanding 12 V/24 V systems.
Availability
SMCJ60C is available at Aetrix Electronics and suitable for automotive body electronics, industrial programmable logic controllers, LED lighting drivers, and medical diagnostic equipment requiring stable component supply across extended production lifecycles.
Supply support for SMCJ60C 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, rectifiers, and MOSFETs for automotive, industrial, and computing markets.
The SMCJ series was engineered specifically for high-reliability transient suppression in harsh environments - emphasizing ISO 7637-2 compliance, thermal robustness, and automated manufacturing readiness.
FAQ
What is the clamping voltage of the SMCJ60C at its rated peak pulse current?
The SMCJ60C has a maximum clamping voltage (VC) of 107 V when subjected to its rated peak pulse current of 14 A (10/1000 µs waveform). This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events - critical for ensuring compatibility with 60 V-rated downstream components.
Is the SMCJ60C unidirectional or bidirectional, and how is polarity indicated?
The SMCJ60C is a bidirectional TVS diode, meaning it clamps transients equally in both polarities - no anode/cathode distinction applies. Unlike unidirectional variants (e.g., SMCJ60A), the "C" suffix explicitly denotes bidirectional functionality, and the device carries no cathode band marking. This symmetry simplifies PCB layout and eliminates orientation errors during assembly.
Does the SMCJ60C meet automotive transient immunity standards such as ISO 7637-2?
Yes, the SMCJ60C is explicitly rated to meet ISO 7637-2 Pulse 1 (inductive switch-off), Pulse 2a/2b (battery disconnection and load dump), and Pulse 3a/3b (electrical fast transients) - confirmed in Taiwan Semiconductor's official documentation (Version S2104). Its 1500 W peak power rating and 107 V clamping performance align directly with Pulse 5a (load dump) requirements for 12 V systems.
What is the thermal resistance profile of the SMCJ60C, and how does it affect PCB layout?
The SMCJ60C has a junction-to-case thermal resistance (RθJC) of 10°C/W and junction-to-ambient resistance (RθJA) of 55°C/W. To maintain TJ ≤ 150°C under 1500 W surge conditions, the PCB must provide ≥100 mm² of 2 oz copper thermal pad connected to both leads - per JEDEC MO-214AC guidelines - otherwise sustained surge repetition may cause thermal runaway or parametric shift.
How does the SMCJ60C differ from the SMCJ60A in terms of electrical behavior and application use?
The SMCJ60C is bidirectional with symmetrical clamping in both directions, while the SMCJ60A is unidirectional and requires correct polarity placement (cathode band toward positive rail). Electrically, SMCJ60C exhibits identical VWM (60 V), VBR (66.7–81.5 V), and VC (107 V) specs but lacks forward voltage (VF) specification since it has no defined forward conduction path - making it ideal for AC-coupled or floating-rail protection where polarity is undefined.
SMCJ60C 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):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 107V
- Current - Peak Pulse (10/1000µs):
- 14A
- 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)
SMCJ60C FAQ
1.How can I place an order for SMCJ60C through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60C 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 SMCJ60C reliable?
The price and inventory of SMCJ60C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60C is usually 5 days.
3.What payment methods are accepted for SMCJ60C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60C?
SMCJ60C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60C 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 SMCJ60C?
For technical support, including SMCJ60C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60C requirements.
6.How does Aetrix verify that SMCJ60C is sourced from the original manufacturer or authorized distributors?
All SMCJ60C 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 SMCJ60C meets industry standards.
7.What is the process for return or replacement of SMCJ60C?
All SMCJ60C units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60C, 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 SMCJ60C part is unused and in its original packaging.
Return procedure for SMCJ60C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60C Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
