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Vishay General Semiconductor - Diodes Division MSMP15A-M3/89A
- Part No.:
- MSMP15A-M3/89A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AD
- Datasheet:
-
MSMP15A-M3/89A.pdf
- Description:
- TVS DIODE 15VWM 24.4VC MICROSMP
- Quantity:
- Payment:
- Shipping:
Inventory:19,752
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Product details
Overview
MSMP15A-M3/89A from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) in the MicroSMP (DO-219AD) package, with a standoff voltage of 15 V, breakdown voltage range of 16.7–18.5 V at 1 mA, peak pulse power rating of 150 W (10/1000 μs), and clamping voltage of 24.4 V at 6.2 A. It is AEC-Q101 qualified and used for ESD and surge protection on automotive sensor signal lines.
For engineers reviewing the MSMP15A-M3/89A datasheet, MSMP15A-M3/89A pinout, MSMP15A-M3/89A application, or MSMP15A-M3/89A equivalent, key selection criteria include unidirectional polarity, 150 W surge capability, MicroSMP footprint compatibility, 15 V working voltage, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This TVS diode employs an oxide planar chip junction and operates exclusively in unidirectional mode, with cathode denoted by a color band. Its low-profile construction (0.65 mm typical height) supports automated SMT placement and meets J-STD-020C MSL Level 1 reflow requirements up to 260 °C.
Thermal performance is defined by RθJA = 250 °C/W (free air) and RθJM = 30 °C/W (on 6.0 mm × 6.0 mm copper pads). It delivers ESD immunity per IEC 61000-4-2 (15 kV air, 8 kV contact) and sustains junction temperatures from –55 °C to +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 15 V - Maximum reverse stand-off voltage before conduction begins; defines maximum continuous operating voltage across protected line |
| VBR (min/max) | 16.7 V / 18.5 V at 1 mA - Verified breakdown threshold ensures predictable turn-on during transients |
| VCL @ IPPM | 24.4 V at 6.2 A - Clamping voltage under 10/1000 μs surge limits stress on downstream ICs |
| PPPM | 150 W - Peak pulse power handling capacity for transient suppression without failure |
| ESD Rating | 15 kV air / 8 kV contact - Meets IEC 61000-4-2 Level 4 for robust system-level ESD protection |
| Package | MicroSMP (DO-219AD) - 2.30 mm × 1.10 mm footprint with 0.65 mm profile; optimized for space-constrained automotive PCBs |
| AEC-Q101 | Qualified - Validated for automotive applications including engine control, ADAS sensors, and infotainment interfaces |
Pinout & Package
MicroSMP (DO-219AD) is a two-terminal surface-mount package with cathode identified by a visible color band. The device has no internal leads; terminals are matte tin-plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Positive terminal in forward bias; connected to protected line's ground reference side | Provides current return path during clamping; must be routed to low-impedance ground plane |
| Cathode | Negative terminal; marked by color band; connected to protected signal or power line | Defines polarity-only suppresses positive-going transients relative to ground; incorrect orientation disables protection |
Key Features
| Feature | Design Value |
|---|---|
| Very low profile (0.65 mm) | Enables use in ultra-thin modules and stacked PCB assemblies where Z-height is constrained |
| Oxide planar chip junction | Delivers stable, repeatable breakdown characteristics over temperature and lifetime |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets environmental compliance requirements for global automotive and industrial shipments |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free reflow profiles without preconditioning or special handling |
| Junction capacitance < 16 pF at 0 V | Minimizes signal distortion on high-speed data lines such as CAN FD or LIN bus interfaces |
Applications
| Automotive Sensor Protection | CAN Bus Line Protection |
|---|---|
Use Scenario: Protecting analog output pins of pressure, temperature, or position sensors in engine bay or chassis modules exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor signal line and ground to clamp fast-rising transients before they reach ADC input or signal conditioner. Use Value: Limits voltage excursion to ≤24.4 V during 10/1000 μs surges, preserving sensor accuracy and preventing latch-up in downstream ASICs. | Use Scenario: Guarding CAN_H and CAN_L differential pair against ESD events and coupled noise in body control modules and gateway ECUs. IC Role / Device Role / Timing Role: Dual TVS configuration (one per line) referenced to chassis ground, leveraging low capacitance (<16 pF) to avoid signal integrity degradation. Use Value: Maintains CAN bit timing integrity while absorbing >15 kV air-gap ESD strikes without degrading common-mode rejection ratio. |
| Industrial I/O Module Protection | Consumer Appliance Control Board |
Use Scenario: Safeguarding 24 V DC input channels on PLC digital input cards subjected to field-wiring transients and relay coil flyback. IC Role / Device Role / Timing Role: Standoff-rated TVS placed upstream of optocoupler or Schmitt trigger input stage to prevent false triggering and component damage. Use Value: Withstands repetitive 150 W surges and maintains leakage <1 μA at 15 V, ensuring long-term reliability in harsh factory environments. | Use Scenario: Shielding microcontroller GPIOs and display interface lines in smart home appliances (e.g., washing machine control boards) from user-accessible port ESD. IC Role / Device Role / Timing Role: Low-capacitance TVS on button matrix, touch panel, or display flex cable connections to suppress human-body-model discharges. Use Value: Achieves 8 kV contact ESD immunity without adding propagation delay or loading sensitive CMOS inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A | DO-214AC (SMA) package; larger footprint (4.5 mm × 2.7 mm); RθJA = 50 °C/W; same VWM/VBR specs | Less suitable for high-density automotive PCBs; better thermal dissipation in open-air industrial enclosures | Select SMAJ15A when board space allows and higher steady-state power derating is needed |
| SMCJ15A | DO-214AB (SMC) package; 7.1 mm × 6.2 mm; 1500 W PPPM; VCL = 24.4 V @ 61.5 A | Targeted at high-energy surge zones (e.g., power input stages), not signal-line protection | Choose SMCJ15A only for primary-side AC/DC input protection-not as a direct replacement for MSMP15A-M3/89A on signal paths |
Compared with SMAJ15A and SMCJ15A, the MSMP15A-M3/89A offers superior board-area efficiency and automotive qualification in a 2.3 mm × 1.1 mm footprint, making it optimal for space-limited, high-reliability signal-line protection-whereas SMAJ15A trades size for thermal margin and SMCJ15A targets much higher energy levels unsuitable for fine-pitch routing.
Availability
MSMP15A-M3/89A is available at Aetrix Electronics and suitable for automotive sensor protection, CAN bus interface hardening, and industrial I/O module design requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for MSMP15A-M3/89A 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, miniaturization, and automotive qualification.
The MSMP series belongs to Vishay's eSMP® family of ultra-low-profile TVS diodes, engineered specifically for AEC-Q101-compliant signal-line protection in next-generation automotive electronics and compact industrial systems.
FAQ
What is the maximum clamping voltage of the MSMP15A-M3/89A under a 10/1000 μs surge?
The MSMP15A-M3/89A has a maximum clamping voltage (VCL) of 24.4 V at a peak pulse current (IPPM) of 6.2 A under the standard 10/1000 μs waveform. This value is measured per the test conditions specified in Vishay document 89457 and ensures downstream components remain within safe operating voltage limits during transient events.
Is the MSMP15A-M3/89A suitable for bidirectional transient protection?
No, the MSMP15A-M3/89A is unidirectional only, as confirmed in the Vishay datasheet. It protects against positive-going transients relative to ground. For bidirectional protection, a separate part such as the SMBJ15CA or a dual-diode array would be required-MSMP15A-M3/89A must be oriented correctly with its cathode band toward the protected line.
Does the MSMP15A-M3/89A meet AEC-Q101 qualification?
Yes, the MSMP15A-M3/89A is explicitly AEC-Q101 qualified, as stated in the "MECHANICAL DATA" section and confirmed in the "IMMUNITY TO STATIC ELECTRICAL DISCHARGE" table of Vishay document 89457. This qualification covers stress tests including HBM ESD, temperature cycling, and mechanical shock-validating its suitability for automotive under-hood and chassis applications.
What is the thermal resistance of the MSMP15A-M3/89A in standard mounting conditions?
When mounted on 6.0 mm × 6.0 mm copper pads, the MSMP15A-M3/89A exhibits a junction-to-mount thermal resistance (RθJM) of 30 °C/W. In free-air conditions on minimum recommended pad layout, its junction-to-ambient thermal resistance (RθJA) is 250 °C/W-critical for calculating safe power derating in thermally constrained designs.
Can the MSMP15A-M3/89A be used in high-speed data lines like USB or HDMI?
The MSMP15A-M3/89A has a typical junction capacitance below 16 pF at 0 V, which makes it viable for moderate-speed interfaces such as CAN, LIN, or RS-485-but not recommended for USB 2.0+ or HDMI due to potential signal integrity impact. For those applications, lower-capacitance TVS devices (e.g., <1 pF) are preferred; MSMP15A-M3/89A is best applied on slower analog or digital control lines.
MSMP15A-M3/89A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-219AD
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 15V
- Voltage - Breakdown (Min):
- 16.7V
- Voltage - Clamping (Max) @ Ipp:
- 24.4V
- Current - Peak Pulse (10/1000µs):
- 6.2A
- Power - Peak Pulse:
- 150W
- 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-219AD (MicroSMP)
MSMP15A-M3/89A FAQ
1.How can I place an order for MSMP15A-M3/89A through Aetrix?
Please submit a Request for Quotation (RFQ) for MSMP15A-M3/89A 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 MSMP15A-M3/89A reliable?
The price and inventory of MSMP15A-M3/89A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSMP15A-M3/89A is usually 5 days.
3.What payment methods are accepted for MSMP15A-M3/89A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSMP15A-M3/89A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSMP15A-M3/89A?
MSMP15A-M3/89A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSMP15A-M3/89A 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 MSMP15A-M3/89A?
For technical support, including MSMP15A-M3/89A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSMP15A-M3/89A requirements.
6.How does Aetrix verify that MSMP15A-M3/89A is sourced from the original manufacturer or authorized distributors?
All MSMP15A-M3/89A 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 MSMP15A-M3/89A meets industry standards.
7.What is the process for return or replacement of MSMP15A-M3/89A?
All MSMP15A-M3/89A units undergo pre-shipment inspection (PSI). If there is an issue with MSMP15A-M3/89A, 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 MSMP15A-M3/89A part is unused and in its original packaging.
Return procedure for MSMP15A-M3/89A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSMP15A-M3/89A Tags
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