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Vishay General Semiconductor - Diodes Division P6SMB7.5CAHM3_A/H
- Part No.:
- P6SMB7.5CAHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB7.5CAHM3_A/H.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P6SMB7.5CAHM3_A/H from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode designed for robust ESD and surge protection on signal lines and power rails. It features a 7.5 V standoff voltage (VWM), 11.3 V clamping voltage (VC) at 53.1 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with 10/1000 μs waveform - deployed in automotive sensor interfaces, industrial I/O modules, and telecom line drivers.
For engineers reviewing the P6SMB7.5CAHM3_A/H datasheet, P6SMB7.5CAHM3_A/H pinout, P6SMB7.5CAHM3_A/H application, or P6SMB7.5CAHM3_A/H equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification status, SMB (DO-214AA) package thermal performance, and compliance with IEC 61000-4-2/4-4/4-5 surge immunity requirements.
Technical Context
This device operates as a voltage-clamped shunt protector: during transients exceeding its breakdown voltage (VBR min = 7.13 V, max = 7.88 V at 10 mA), it rapidly switches to low-impedance conduction, diverting surge current away from downstream ICs. Its glass-passivated junction ensures stable leakage (<500 μA at VWM) and fast response time (<1.0 ns).
Designed for surface-mount assembly on PCBs with 0.2" × 0.2" copper pads per terminal, the P6SMB7.5CAHM3_A/H delivers 100 °C/W junction-to-ambient thermal resistance and supports repetitive surge duty cycles up to 0.01 % - validated under AEC-Q101 stress conditions including temperature cycling, HTRB, and ESD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 6.40 V - maximum continuous reverse voltage before clamping begins; defines safe operating margin below system rail. |
| VBR (Breakdown Voltage) | 7.13–7.88 V at 10 mA - precise voltage threshold triggering avalanche conduction; tight tolerance enables predictable protection onset. |
| VC (Clamping Voltage) | 11.3 V at 53.1 A IPPM - peak voltage seen by protected circuit during worst-case 10/1000 μs surge; critical for MOSFET/IC overvoltage margin. |
| PPPM (Peak Pulse Power) | 600 W - energy-handling capacity for standardized lightning/surge waveforms; enables single-device protection of 12 V automotive buses. |
| ID (Reverse Leakage) | ≤500 μA at VWM - minimal standby current drain; preserves battery life in always-on sensor nodes. |
| TJ max | +150 °C - extended junction temperature rating supports under-hood automotive placement without derating. |
| Package | SMB (DO-214AA) - industry-standard 2-pin SMD outline with 5.59 mm × 3.94 mm footprint and 2.20 mm height; compatible with automated pick-and-place. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional - no polarity marking; symmetrical anode/cathode terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (bidirectional) | Accepts surge current from either direction; connects to protected line (e.g., CAN_H or RS-485 A). |
| Cathode | Transient current exit (bidirectional) | Completes shunt path to ground or return rail; requires low-inductance layout to minimize clamping overshoot. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and ADAS sensors - meets stress test requirements for temperature cycling, HTRB, and ESD. |
| Halogen-free & RoHS-compliant | HM3 suffix denotes halogen-free molding compound and matte tin-plated leads - satisfies IPC-1752A material declaration and EU environmental mandates. |
| 600 W 10/1000 μs surge rating | Handles IEC 61000-4-5 Level 4 (4 kV) surges on 12 V systems without degradation - eliminates need for cascaded protection stages. |
| Low clamping ratio (VC/VBR ≈ 1.47) | Minimizes voltage overshoot during fast transients - protects 5 V logic interfaces when used with series impedance on 12 V supply lines. |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without moisture sensitivity concerns - reduces manufacturing yield loss. |
Applications
| Automotive Sensor Interface | Industrial RS-485 Transceiver Protection |
|---|---|
Use Scenario: Protecting LIN/CAN bus nodes and MEMS pressure sensors in engine compartments exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional shunt clamp placed between signal line and chassis ground - responds within <1 ns to suppress transients above 6.4 V. Use Value: Maintains signal integrity during 100 V/50 ms load dump events while enabling AEC-Q101-compliant design without external filtering. |
Use Scenario: Safeguarding half-duplex RS-485 transceivers (e.g., SN65HVD230) in factory automation PLCs subjected to EFT bursts and lightning-induced surges. IC Role / Device Role / Timing Role: Line-to-ground TVS on A/B differential pair - clamps common-mode transients to ≤11.3 V while preserving DC bias and signal swing. Use Value: Prevents transceiver latch-up and data corruption during 4 kV IEC 61000-4-4 EFT events without degrading 10 Mbps signal rise time. |
| Telecom DSL Line Driver | Consumer USB Port ESD Protection |
Use Scenario: Shielding ADSL/VDSL line drivers from induced surges on twisted-pair telephone lines in outdoor cabinets. IC Role / Device Role / Timing Role: Primary surge limiter on tip/ring lines - conducts >50 A peak current while limiting voltage to 11.3 V across driver output stage. Use Value: Extends MTBF of line drivers by absorbing 600 W surge energy without requiring gas discharge tube backup. |
Use Scenario: Secondary-level ESD protection on USB 2.0 D+/D− lines in set-top boxes and smart displays exposed to human-body-model (HBM) discharges. IC Role / Device Role / Timing Role: Low-capacitance (≈100 pF) bidirectional clamp - activated only during >8 kV contact discharge, leaving normal signaling unaffected. Use Value: Passes IEC 61000-4-2 Level 4 (±15 kV air, ±8 kV contact) without signal distortion or latch-up of USB PHY. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ7.5CA | Same VWM (6.4 V) and VC (11.3 V), but lower PPPM (400 W); SMA package (smaller footprint, higher RθJA = 140 °C/W). | Limited to lower-energy surges (IEC 61000-4-5 Level 3); unsuitable for automotive load dump where 600 W is required. | Select when board space is constrained and surge threat level is ≤2 kV; verify thermal margin with smaller pad area. |
| SMCJ7.5CA | Higher PPPM (1500 W), same VWM/VC, but larger SMC (DO-214AB) package (7.11 mm × 6.22 mm); identical AEC-Q101 qualification. | Overqualified for 12 V systems needing only 600 W; adds cost and PCB area without functional benefit. | Choose only if future-proofing against higher surge standards (e.g., ISO 16750-2 Pulse 5b) or multi-rail coordination is required. |
Compared with SMAJ7.5CA and SMCJ7.5CA, the P6SMB7.5CAHM3_A/H delivers optimal balance of 600 W surge capability, SMB footprint compatibility, and AEC-Q101 validation - making it the preferred choice for space-constrained automotive and industrial designs requiring certified reliability without over-engineering.
Availability
P6SMB7.5CAHM3_A/H is available at Aetrix Electronics and suitable for automotive sensor modules, industrial RS-485 networks, and telecom line driver circuits requiring stable component supply, AEC-Q101 traceability, and halogen-free compliance.
Supply support for P6SMB7.5CAHM3_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 high-reliability diodes, MOSFETs, and optoelectronics for automotive, industrial, and computing markets.
The P6SMB Series targets board-level transient protection in harsh environments - engineered for AEC-Q101 compliance, high surge robustness, and seamless integration into automated SMT lines.
FAQ
What is the clamping voltage of the P6SMB7.5CAHM3_A/H under maximum rated surge current?
The P6SMB7.5CAHM3_A/H has a maximum clamping voltage (VC) of 11.3 V at 53.1 A peak pulse current (IPPM) with a 10/1000 μs waveform. This value is measured per JEDEC standards and guarantees that protected circuitry will not experience more than 11.3 V during worst-case surge events - critical for ensuring compatibility with 5 V or 3.3 V logic interfaces downstream of the P6SMB7.5CAHM3_A/H.
Is the P6SMB7.5CAHM3_A/H qualified for automotive applications?
Yes, the P6SMB7.5CAHM3_A/H carries the HM3 suffix, indicating halogen-free, RoHS-compliant construction and full AEC-Q101 qualification. It has passed stress tests including temperature cycling, high-temperature reverse bias (HTRB), and ESD - making it suitable for under-hood and cabin applications such as engine control sensors, infotainment interfaces, and ADAS camera modules where P6SMB7.5CAHM3_A/H reliability is mandatory.
How does the bidirectional configuration of the P6SMB7.5CAHM3_A/H affect its use in differential signal lines?
The bidirectional design of the P6SMB7.5CAHM3_A/H allows symmetric clamping on both polarities of differential pairs like RS-485 or CAN, eliminating the need for two unidirectional devices. When placed line-to-line or line-to-ground, the P6SMB7.5CAHM3_A/H maintains matched VBR and VC characteristics in either direction - preserving common-mode rejection and preventing signal distortion during transient events.
What is the thermal resistance of the P6SMB7.5CAHM3_A/H, and how does it impact PCB layout?
The P6SMB7.5CAHM3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain safe operation under repetitive surges, PCB layout must replicate this minimum pad area - undersized traces or insufficient copper pour will raise junction temperature and reduce surge endurance. The P6SMB7.5CAHM3_A/H datasheet specifies exact mounting dimensions for thermal compliance.
Does the P6SMB7.5CAHM3_A/H meet international surge immunity standards?
Yes, the P6SMB7.5CAHM3_A/H is designed to support compliance with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (surge) standards. Its 600 W peak pulse power rating corresponds to Level 4 (4 kV) surge testing on 12 V systems, and its sub-nanosecond response time ensures effective clamping before sensitive ICs are damaged - enabling system-level certification when used with appropriate series impedance per P6SMB7.5CAHM3_A/H application guidelines.
P6SMB7.5CAHM3_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:
- -
- 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):
- 53.1A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB7.5CAHM3_A/H FAQ
1.How can I place an order for P6SMB7.5CAHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB7.5CAHM3_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 P6SMB7.5CAHM3_A/H reliable?
The price and inventory of P6SMB7.5CAHM3_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 P6SMB7.5CAHM3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB7.5CAHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB7.5CAHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB7.5CAHM3_A/H?
P6SMB7.5CAHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB7.5CAHM3_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 P6SMB7.5CAHM3_A/H?
For technical support, including P6SMB7.5CAHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB7.5CAHM3_A/H requirements.
6.How does Aetrix verify that P6SMB7.5CAHM3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB7.5CAHM3_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 P6SMB7.5CAHM3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB7.5CAHM3_A/H?
All P6SMB7.5CAHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB7.5CAHM3_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 P6SMB7.5CAHM3_A/H part is unused and in its original packaging.
Return procedure for P6SMB7.5CAHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB7.5CAHM3_A/H Tags
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