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Vishay General Semiconductor - Diodes Division P6SMB24AHE3_A/H
- Part No.:
- P6SMB24AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB24AHE3_A/H.pdf
- Description:
- TVS DIODE 20.5VWM 33.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P6SMB24AHE3_A/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, featuring 24 V standoff voltage (VWM), 25.2 V maximum breakdown voltage (VBR), and 33.2 V clamping voltage (VC) at 18.1 A peak pulse current - designed to protect MOSFETs, ICs, and sensor signal lines against inductive switching transients in automotive and industrial power electronics.
For engineers reviewing the P6SMB24AHE3_A/H datasheet, P6SMB24AHE3_A/H pinout, P6SMB24AHE3_A/H application, or P6SMB24AHE3_A/H equivalent, this AEC-Q101 qualified TVS offers verified 600 W peak pulse power (10/1000 μs), low incremental surge resistance, and MSL Level 1 reflow compatibility - critical for high-reliability board-level ESD and surge protection design.
Technical Context
This unidirectional TVS operates with a cathode-band polarity marking, exhibits a 0.094 %/°C temperature coefficient of VBR, and maintains stable clamping performance under repetitive 0.01 % duty cycle pulses. Its glass-passivated junction ensures robust surge endurance and low leakage (<1.0 μA at 20.5 V).
The device delivers 33.2 V clamping at 18.1 A (10/1000 μs), with thermal resistance of 100 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), enabling reliable operation up to +150 °C junction temperature in compact PCB layouts with 5.0 mm × 5.0 mm copper pads per terminal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 20.5 V - Maximum continuous reverse voltage before conduction begins; defines safe operating margin below clamping threshold. |
| VBR (Breakdown) | 22.8–25.2 V at 1.0 mA - Verified breakdown range ensures predictable turn-on during transient events. |
| VC (Clamping) | 33.2 V at 18.1 A (10/1000 μs) - Limits downstream voltage stress to protect 24 V-rated ICs and MOSFETs. |
| PPPM | 600 W - Sustains high-energy surges without failure; meets IEC 61000-4-5 Level 4 requirements when properly laid out. |
| IPPM | 18.1 A - Peak pulse current handling capacity directly determines protected circuit's survivability under lightning or inductive kick. |
| TJ max | +150 °C - Enables use in under-hood automotive environments and thermally constrained industrial enclosures. |
| Package | SMB (DO-214AA) - Standardized surface-mount footprint with 0.205" × 0.220" outline; compatible with automated pick-and-place. |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case meeting UL 94 V-0 flammability rating; matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; cathode identified by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to protected circuit ground or low-side reference. | Provides return path during transient clamping; must be routed with low-inductance trace to minimize VL overshoot. |
| Cathode | Current exit point in forward bias; connected to line being protected (e.g., 24 V rail or signal input). | Acts as the "guardian" node - absorbs surge energy into ground when voltage exceeds VWM; band-marked for orientation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity testing, and surge endurance - suitable for engine control and ADAS modules. |
| 600 W peak pulse power (10/1000 μs) | Enables single-device protection against IEC 61000-4-5 combination wave surges up to 4 kV (line-earth) without cascaded stages. |
| Low clamping ratio (VC/VWM = 1.62) | Minimizes overvoltage stress on downstream components - critical for safeguarding 24 V logic interfaces and CAN transceivers. |
| MSL Level 1 (260 °C peak) | Supports standard lead-free reflow profiles without preconditioning - eliminates moisture sensitivity handling overhead in production. |
| Glass-passivated junction | Ensures stable leakage performance and long-term surge life (>1000 pulses at rated IPPM) across temperature and humidity extremes. |
Applications
| Automotive Power Distribution | Industrial Sensor Signal Protection |
|---|---|
|
Use Scenario: Protecting 24 V supply rails in body control modules (BCM) and junction boxes from load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery feed and LDO/regulator input to clamp transients before they reach sensitive power management ICs. Use Value: Withstands 600 W surges while limiting clamped voltage to 33.2 V - preserving regulator input rating and avoiding brownout resets. |
Use Scenario: Shielding analog outputs (e.g., 4–20 mA current loops) and digital sensor interfaces (I²C, SPI) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted at connector entry point to shunt fast transients (<1 ns rise time) before reaching precision ADC or microcontroller GPIO. Use Value: Sub-1 μA leakage at 20.5 V prevents signal offset errors; 33.2 V clamping protects 3.3 V/5 V interface ICs even during 8 kV contact ESD. |
| Telecom DC Power Feeds | Motor Drive Gate Driver Protection |
|
Use Scenario: Safeguarding -48 V telecom rectifier outputs and PoE midspan injectors against lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary clamping device on DC input stage, coordinated with upstream GDT or MOV for staged energy absorption. Use Value: 18.1 A IPPM and 600 W PPPM allow it to absorb first-wave surge energy without degradation - extending system MTBF. |
Use Scenario: Protecting high-side and low-side gate drivers in 24 V BLDC motor inverters from shoot-through induced voltage spikes during PWM switching. IC Role / Device Role / Timing Role: Mounted across driver output pins (e.g., HO/LO to COM) to clamp Miller-induced spikes and prevent false turn-on. Use Value: Fast response time and low VC ensure gate oxide integrity - preventing cumulative damage that leads to driver failure after repeated transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ24A-E3/5B | Same VWM (20.5 V), lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 140 °C/W). | Less suited for high-repetition surges or high-ambient-temperature environments due to reduced thermal mass and power rating. | Select when board space is constrained and surge severity is limited to IEC 61000-4-2 Level 3. |
| 1.5SMC24A | Same VWM/VC, higher PPPM (1500 W), larger SMC (DO-214AB) package, non-AEC-Q101. | Requires more PCB area but supports higher surge repetition rates and longer pulse durations (e.g., ISO 7637-2 Pulse 5a). | Choose for industrial power supplies needing extended surge endurance where automotive qualification is not required. |
Compared with SMAJ24A-E3/5B and 1.5SMC24A, the P6SMB24AHE3_A/H uniquely balances AEC-Q101 compliance, 600 W capability, and SMB footprint - making it optimal for space-constrained automotive modules requiring validated reliability without sacrificing clamping performance.
Availability
P6SMB24AHE3_A/H is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor protection, telecom DC feeds, and motor drive gate driver circuits requiring stable component supply and long-term lifecycle support.
Supply support for P6SMB24AHE3_A/H 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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for robust surge immunity, AEC-Q101 validation, and seamless integration into automated SMT assembly lines.
FAQ
What is the clamping voltage of the P6SMB24AHE3_A/H at its rated peak pulse current?
The P6SMB24AHE3_A/H has a maximum clamping voltage (VC) of 33.2 V at 18.1 A peak pulse current (10/1000 μs waveform). This value is measured under standardized test conditions and defines the upper voltage limit imposed on protected circuitry during transient events - ensuring compatibility with 24 V nominal systems and downstream ICs rated for ≤36 V absolute maximum.
Is the P6SMB24AHE3_A/H suitable for automotive applications?
Yes, the P6SMB24AHE3_A/H is AEC-Q101 qualified, with full test documentation covering temperature cycling, highly accelerated stress testing (HAST), and surge endurance. Its RoHS-compliant construction, MSL Level 1 rating, and operation up to +150 °C junction temperature make it appropriate for under-hood and chassis-mounted automotive modules including body control units and ADAS power supplies.
How does the P6SMB24AHE3_A/H differ from bidirectional variants like P6SMB24CA?
The P6SMB24AHE3_A/H is unidirectional and features a cathode band marking; it conducts only in reverse breakdown to protect positive-rail circuits. In contrast, P6SMB24CA is bidirectional with no polarity marking and clamps transients on both polarities - used in AC-coupled or differential signal lines. Their VWM, VBR, and VC values differ accordingly, and they are not interchangeable without circuit review.
What is the thermal resistance of the P6SMB24AHE3_A/H, and how does it affect layout?
The P6SMB24AHE3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W and junction-to-lead (RθJL) of 20 °C/W. To maintain safe operation under repetitive surges, PCB layout must use minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal - smaller pads increase thermal impedance and risk thermal runaway during sustained pulse trains.
Does the P6SMB24AHE3_A/H require derating at elevated ambient temperatures?
Yes, the P6SMB24AHE3_A/H must be derated above TA = 25 °C per Figure 2 in the datasheet: peak pulse power decreases linearly to zero at +150 °C. At 85 °C ambient, maximum PPPM drops to ~420 W. Designers must verify worst-case junction temperature using RθJA, power dissipation, and expected surge repetition rate to avoid exceeding TJ(max) = +150 °C.
P6SMB24AHE3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20.5V
- Voltage - Breakdown (Min):
- 22.8V
- Voltage - Clamping (Max) @ Ipp:
- 33.2V
- Current - Peak Pulse (10/1000µs):
- 18.1A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB24AHE3_A/H FAQ
1.How can I place an order for P6SMB24AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB24AHE3_A/H 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 P6SMB24AHE3_A/H reliable?
The price and inventory of P6SMB24AHE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB24AHE3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB24AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB24AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB24AHE3_A/H?
P6SMB24AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB24AHE3_A/H 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 P6SMB24AHE3_A/H?
For technical support, including P6SMB24AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB24AHE3_A/H requirements.
6.How does Aetrix verify that P6SMB24AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB24AHE3_A/H 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 P6SMB24AHE3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB24AHE3_A/H?
All P6SMB24AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB24AHE3_A/H, 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 P6SMB24AHE3_A/H part is unused and in its original packaging.
Return procedure for P6SMB24AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB24AHE3_A/H Tags
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