My Inquiry
My Account
Vishay General Semiconductor - Diodes Division 1.5SMC7.5CA-E3/57T
- Part No.:
- 1.5SMC7.5CA-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC7.5CA-E3/57T.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:1,568
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
1.5SMC7.5CA-E3/57T from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in signal and power lines. It features a 7.5 V standoff voltage (VWM), 8.33 V minimum breakdown voltage (VBR), 1500 W peak pulse power (10/1000 μs), and clamps to ≤12.0 V at 109 A peak pulse current - deployed in automotive sensor interfaces, industrial I/O modules, and telecom line protection.
For engineers reviewing the 1.5SMC7.5CA-E3/57T datasheet, 1.5SMC7.5CA-E3/57T pinout, 1.5SMC7.5CA-E3/57T application, or 1.5SMC7.5CA-E3/57T equivalent, this page delivers verified electrical specs, SMC (DO-214AB) package details, bidirectional clamping behavior, thermal derating curves, and RoHS-compliant commercial-grade sourcing support at Aetrix Electronics.
Technical Context
The 1.5SMC7.5CA-E3/57T operates as a symmetrical avalanche diode with identical forward and reverse conduction characteristics, enabling bidirectional transient suppression without polarity sensitivity. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low leakage (<1000 μA at 6.4 V), while meeting MSL Level 1 per J-STD-020 at 260 °C peak reflow.
Designed for high-energy transients, it delivers 1500 W peak pulse power under standardized 10/1000 μs waveform conditions, with thermal resistance of 75 °C/W (junction-to-ambient) on recommended 8.0 mm × 8.0 mm copper pads. It supports repetitive surge duty cycles up to 0.01% and maintains clamping performance across -65 °C to +150 °C operating junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 6.4 V - maximum continuous reverse voltage before significant leakage; defines safe operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 7.13–7.88 V at 10 mA - precise avalanche onset range ensuring predictable turn-on during transients |
| VC (Clamping Voltage) | ≤12.0 V at IPPM = 109 A - limits downstream IC stress during 1500 W surge events |
| PPPM (Peak Pulse Power) | 1500 W (10/1000 μs) - sustains high-energy lightning or inductive-switching surges without failure |
| ID (Reverse Leakage) | ≤1000 μA at VWM - minimizes standby power loss and avoids false triggering in low-power circuits |
| TJ max. | +150 °C - enables deployment in under-hood automotive and industrial environments with elevated ambient temperatures |
| Package | SMC (DO-214AB) - industry-standard surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height for automated assembly |
Pinout & Package
Package: SMC (DO-214AB), molded plastic case with matte tin-plated leads, UL 94 V-0 rated, compliant with J-STD-002 and JESD 22-B102 solderability standards. Bidirectional construction means no polarity marking; both terminals are functionally symmetric.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional surge path terminal | Either terminal serves as input/output for transient energy; no cathode band marking required |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power (10/1000 μs) | Enables protection against IEC 61000-4-5 Level 4 surges (4 kV line-earth) without derating in standard PCB layouts |
| Low incremental surge resistance | Ensures minimal voltage overshoot during fast-rising transients (<1 ns response), critical for protecting 3.3 V/5 V logic interfaces |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and direct placement without baking, reducing manufacturing overhead in high-volume SMT lines |
| RoHS-compliant, halogen-free option available | Meets EU Directive 2011/65/EU and IPC-1752A reporting requirements for green electronics compliance |
| UL Recognized (QVGQ2, E136766) | Validates safety certification for use in end equipment requiring UL 497B-compliant surge protection |
Applications
| Automotive Sensor Interface | Industrial PLC Analog Input |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and MEMS pressure sensors from load-dump and ISO 7637-2 pulses in engine control units. IC Role / Device Role / Timing Role: Bidirectional TVS placed at connector entry point to clamp ±200 V transients before reaching signal conditioning circuitry. Use Value: Maintains 6.4 V standoff while clamping to ≤12.0 V, preserving ADC reference integrity and preventing latch-up in 5 V microcontrollers. |
Use Scenario: Shielding 4–20 mA current loop inputs in programmable logic controllers from field-wiring induced surges and ESD events. IC Role / Device Role / Timing Role: Primary front-end protector on twisted-pair analog input traces, coordinated with series current-limiting resistors. Use Value: 1500 W rating handles repetitive 10/1000 μs surges common in factory-floor motor drive noise environments without degradation. |
| Telecom Line Card Protection | Consumer USB Port ESD Guard |
Use Scenario: Safeguarding Ethernet PHYs and DSL line drivers against lightning-induced longitudinal surges on outdoor-facing ports. IC Role / Device Role / Timing Role: First-stage common-mode suppressor on differential pairs, paired with gas discharge tubes for staged protection. Use Value: Symmetrical clamping ensures balanced suppression across both conductors, preserving signal integrity up to 100 MHz. |
Use Scenario: Adding secondary-level ESD immunity to USB 2.0 data lines (D+/D−) in portable media players and docking stations. IC Role / Device Role / Timing Role: Low-capacitance TVS (typ. 200 pF at 0 V) placed adjacent to connector to absorb ±15 kV contact discharge per IEC 61000-4-2. Use Value: 7.13–7.88 V VBR ensures no interference with 3.3 V USB signaling while providing sub-12 V clamping during ESD events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.5CA | Lower PPPM (600 W), same VWM/VBR range, SMB (DO-214AA) package (smaller footprint, higher RθJA) | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 3+ or automotive load dump | Select when board space is constrained and surge threat level is ≤600 W (e.g., internal signal routing) |
| 1.5KE7.5CA | Through-hole TO-204AE (DO-15), identical 1500 W rating but incompatible with SMT assembly and higher profile | Requires manual or wave-solder process; not viable for automated high-density PCBs | Choose only for legacy through-hole designs or prototyping where reflow compatibility is not required |
Compared with SMBJ7.5CA and 1.5KE7.5CA, the 1.5SMC7.5CA-E3/57T uniquely balances 1500 W surge capability, SMC surface-mount compatibility, and bidirectional symmetry - making it the preferred choice for production-grade automotive and industrial PCBs requiring automated assembly and high-reliability transient immunity.
Availability
1.5SMC7.5CA-E3/57T is available at Aetrix Electronics and suitable for automotive sensor protection, industrial I/O conditioning, and telecom line-card surge suppression requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for 1.5SMC7.5CA-E3/57T 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability, power efficiency, and AEC-Q qualification.
The 1.5SMC Series was engineered specifically for high-power, surface-mount transient suppression in harsh environments - targeting automotive, industrial, and telecom applications demanding repeatable 1500 W surge handling and MSL Level 1 manufacturability.
FAQ
What is the clamping voltage of the 1.5SMC7.5CA-E3/57T at its rated peak pulse current?
The 1.5SMC7.5CA-E3/57T clamps to a maximum of 12.0 V when subjected to its peak pulse current (IPPM) of 109 A under the standard 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88303 and guarantees predictable voltage limiting during surge events, directly protecting downstream 5 V or 3.3 V logic components connected to the 1.5SMC7.5CA-E3/57T.
Is the 1.5SMC7.5CA-E3/57T suitable for automotive applications?
Yes - the 1.5SMC7.5CA-E3/57T is RoHS-compliant and qualified to AEC-Q101 when ordered with HE3 or HM3 suffixes. While the -E3/57T variant is commercial grade, its -40 °C to +125 °C operational range, 150 °C TJ max, and UL recognition (E136766) make it widely deployed in non-safety-critical automotive subsystems such as body control modules and infotainment interfaces. For certified automotive use, specify 1.5SMC7.5CAHE3_A.
How does the bidirectional design of the 1.5SMC7.5CA-E3/57T affect its PCB layout?
The 1.5SMC7.5CA-E3/57T has no polarity marking and identical electrical behavior in both directions, eliminating orientation constraints during placement. This simplifies PCB layout by allowing rotation-independent mounting and enabling use on differential or AC-coupled lines without concern for anode/cathode alignment - a key advantage over unidirectional TVS diodes like the 1.5SMC7.5A-E3/57T.
What is the thermal resistance of the 1.5SMC7.5CA-E3/57T, and how does it impact power dissipation?
The 1.5SMC7.5CA-E3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 8.0 mm × 8.0 mm copper pads per Vishay's recommended layout. This means at 25 °C ambient, the device reaches its 150 °C max junction temperature at just 1.67 W steady-state dissipation - confirming its design intent for transient-only operation, not continuous power handling. The 1.5SMC7.5CA-E3/57T must be applied within its specified pulse duty cycle (0.01%) to avoid thermal runaway.
Does the 1.5SMC7.5CA-E3/57T meet any safety certifications?
Yes - the 1.5SMC7.5CA-E3/57T carries Underwriters Laboratories (UL) recognition under file E136766 for both unidirectional and bidirectional configurations, complying with UL 497B for primary protectors. This certification validates its suitability in end equipment requiring recognized surge protection components, including industrial control panels and telecom infrastructure hardware using the 1.5SMC7.5CA-E3/57T.
1.5SMC7.5CA-E3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- 1.5SMC, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6.4V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.3V
- Current - Peak Pulse (10/1000µs):
- 133A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
1.5SMC7.5CA-E3/57T FAQ
1.How can I place an order for 1.5SMC7.5CA-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC7.5CA-E3/57T 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 1.5SMC7.5CA-E3/57T reliable?
The price and inventory of 1.5SMC7.5CA-E3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC7.5CA-E3/57T is usually 5 days.
3.What payment methods are accepted for 1.5SMC7.5CA-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC7.5CA-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC7.5CA-E3/57T?
1.5SMC7.5CA-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC7.5CA-E3/57T 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 1.5SMC7.5CA-E3/57T?
For technical support, including 1.5SMC7.5CA-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC7.5CA-E3/57T requirements.
6.How does Aetrix verify that 1.5SMC7.5CA-E3/57T is sourced from the original manufacturer or authorized distributors?
All 1.5SMC7.5CA-E3/57T 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 1.5SMC7.5CA-E3/57T meets industry standards.
7.What is the process for return or replacement of 1.5SMC7.5CA-E3/57T?
All 1.5SMC7.5CA-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC7.5CA-E3/57T, 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 1.5SMC7.5CA-E3/57T part is unused and in its original packaging.
Return procedure for 1.5SMC7.5CA-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC7.5CA-E3/57T 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
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
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 …
