My Inquiry
My Account
Taiwan Semiconductor Corporation P6SMB75CA
- Part No.:
- P6SMB75CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB75CA.pdf
- Description:
- TVS DIODE 64.1VWM 103VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,864
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB75CA from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for overvoltage protection in DC power rails and signal lines. It features a standoff voltage of 64.1 V, breakdown voltage range of 71.3–78.8 V at 1 mA test current, clamping voltage of 103 V at 6.1 A peak pulse current, and operates across –55°C to +150°C junction temperature. It is used in switching mode power supplies and automotive electronics to absorb ESD and load-dump transients.
For engineers reviewing the P6SMB75CA datasheet, P6SMB75CA pinout, P6SMB75CA application, or P6SMB75CA equivalent, key selection criteria include bidirectional clamping capability, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, DO-214AA (SMB) package compatibility, and low leakage (<1 µA at 64.1 V).
Technical Context
The P6SMB75CA implements a glass-passivated silicon avalanche junction optimized for fast transient response (<1.0 ps rise time from 0 V to VBR min) and stable clamping under repetitive surge conditions. Its bidirectional configuration enables symmetrical suppression of positive and negative polarity transients without external polarity management.
Thermal performance is defined by RθJC = 10°C/W and RθJA = 55°C/W, supporting operation up to 150°C junction temperature. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1, ensuring robustness in automated SMT assembly and high-reliability environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 64.1 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 71.3 V / 78.8 V at 1 mA - Ensures reliable avalanche conduction onset within specified tolerance band |
| VC @ IPPM | 103 V at 6.1 A - Clamped voltage during 10/1000 µs surge, limiting downstream stress |
| PPPSM | 600 W - Peak pulse power handling per single 10/1000 µs waveform, derated above 25°C |
| IR @ VWM | <1 µA - Low leakage preserves efficiency in high-impedance bias networks |
| TJ Range | –55°C to +150°C - Enables deployment in under-hood automotive and industrial ambient environments |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, bi-directional, cathode band not applicable (bidirectional symmetry). Matte tin-plated leads, UL 94V-0 molding compound, 0.090 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional avalanche junction terminals | No polarity marking required; interchangeable connection for AC or dual-polarity DC rail protection |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enhances long-term reliability and stability of breakdown voltage under thermal cycling and humidity stress |
| ISO 7637-2 compliance (Pulse 1/2a/2b/3a/3b) | Validated for automotive-level transient immunity without additional filtering components |
| Fast response time <1.0 ps | Clamps transients before sensitive ICs experience voltage overshoot beyond safe operating area |
| Moisture Sensitivity Level 1 | Eliminates bake requirements prior to reflow, reducing manufacturing cost and process complexity |
Applications
| Automotive Power Distribution | Industrial SMPS Input Stage |
|---|---|
Use Scenario: Protection of 24 V battery-fed ECUs against load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed directly across input terminals upstream of DC-DC converter. Use Value: Limits transient voltage to ≤103 V, preventing damage to 36 V-rated MOSFETs and controllers. | Use Scenario: Input rail protection in 48 V telecom rectifiers exposed to lightning-induced surges on AC mains side. IC Role / Device Role / Timing Role: First-line transient absorber parallel to bulk input capacitor, shunting energy before it reaches bridge rectifier. Use Value: Absorbs 600 W peak pulses without degradation, maintaining system uptime in outdoor base station deployments. |
| Consumer Display Power Supply | Medical Equipment Auxiliary Rails |
Use Scenario: Standby 12 V rail protection in LCD TV power boards subject to ESD coupling from HDMI hot-plug events. IC Role / Device Role / Timing Role: Bidirectional clamp across isolated 12 V output, suppressing both positive and negative fast transients. Use Value: Sub-µA leakage avoids standby current increase; 103 V clamping prevents latch-up in microcontroller reset circuitry. | Use Scenario: Isolated auxiliary 5 V/3.3 V supply protection in diagnostic imaging systems where EMI immunity is critical. IC Role / Device Role / Timing Role: Secondary-side TVS on low-noise LDO inputs to prevent transient-induced ADC offset drift. Use Value: Stable VBR tolerance (±5%) ensures consistent clamping threshold across production lots, supporting IEC 60601-1 EMC validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ75CA (ON Semiconductor) | Same DO-214AA package, identical VWM/VBR/VC specs, but higher RθJA = 65°C/W vs. 55°C/W | Suitable for lower-power or better-ventilated layouts; less margin in thermally constrained PCB areas | Select when ON Semi supply chain alignment is required; verify thermal layout with 10°C/W higher ambient-to-junction resistance |
| 1.5SMC75CA (Littelfuse) | Same electrical specs and SMB package, but rated for 1500 W peak power (1.5 kW), larger die size | Over-specified for 600 W use cases; occupies same footprint but requires higher surge margin or future-proofing | Choose when system-level surge testing exceeds IEC 61000-4-5 Level 4 or when extended lifetime under repeated transients is mandated |
Compared with SMBJ75CA and 1.5SMC75CA, the P6SMB75CA offers optimal balance of thermal performance (RθJA = 55°C/W), industry-standard 600 W rating, and MSL-1 manufacturability-making it ideal for cost-sensitive, high-volume automotive and industrial power designs where precise thermal headroom and assembly simplicity are prioritized.
Availability
P6SMB75CA is available at Aetrix Electronics and suitable for automotive power distribution, industrial SMPS input stages, and consumer display power supplies requiring stable component supply, full traceability, and RoHS/halogen-free compliance.
Supply support for P6SMB75CA 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global automotive, industrial, and consumer markets since 1979.
The P6SMB75CA belongs to TSC's P6SMBx(A) family of surface-mount TVS diodes engineered specifically for robust, high-reliability transient suppression in harsh electromagnetic environments-including automotive ISO 7637-2 and industrial IEC 61000-4-5 compliance-critical applications.
FAQ
What is the maximum clamping voltage of the P6SMB75CA under standard 10/1000 µs surge conditions?
The P6SMB75CA has a maximum clamping voltage (VC) of 103 V at 6.1 A peak pulse current (IPPM) under the standardized 10/1000 µs double-exponential surge waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during transient events, ensuring downstream components remain within safe operating limits.
Does the P6SMB75CA require polarity-aware PCB layout?
No-the P6SMB75CA is a bidirectional TVS diode, meaning its anode and cathode terminals are functionally symmetrical and interchangeable. There is no cathode band marking, and it provides identical clamping performance for both positive and negative polarity transients. This eliminates orientation constraints during automated placement and simplifies layout for AC-coupled or dual-rail protection schemes.
What is the standoff voltage (VWM) specification for the P6SMB75CA, and why does it matter?
The P6SMB75CA has a standoff voltage (VWM) of 64.1 V, representing the maximum continuous DC or RMS voltage that can be applied without triggering significant reverse leakage (>1 µA). This parameter ensures the device remains non-conductive during normal operation while remaining ready to avalanche precisely when transients exceed this threshold-critical for minimizing power loss and avoiding false triggering in 48 V or 60 V nominal systems.
Is the P6SMB75CA compliant with automotive transient immunity standards?
Yes-the P6SMB75CA is explicitly rated to meet ISO 7637-2 for automotive applications, covering Pulse 1 (inductive load disconnect), Pulse 2a (sudden load removal), Pulse 2b (supply line inductance), Pulse 3a (capacitive coupled noise), and Pulse 3b (ground bounce). This certification confirms its suitability for ECU, body control module, and infotainment power rail protection without supplemental filtering.
What is the moisture sensitivity level (MSL) of the P6SMB75CA, and how does it affect manufacturing?
The P6SMB75CA is rated MSL-1 per J-STD-020, meaning it may be stored indefinitely at ≤30°C/85% RH without baking prior to surface-mount reflow. This eliminates pre-reflow moisture removal steps, reduces process cycle time, avoids thermal stress on packaging, and supports high-yield, high-speed automated assembly-especially valuable in consumer electronics and automotive Tier-2 production environments.
P6SMB75CA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 64.1V
- Voltage - Breakdown (Min):
- 71.3V
- Voltage - Clamping (Max) @ Ipp:
- 103V
- Current - Peak Pulse (10/1000µs):
- 6.1A
- Power - Peak Pulse:
- 600W
- 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-214AA (SMB)
P6SMB75CA FAQ
1.How can I place an order for P6SMB75CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB75CA 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 P6SMB75CA reliable?
The price and inventory of P6SMB75CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB75CA is usually 5 days.
3.What payment methods are accepted for P6SMB75CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB75CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB75CA?
P6SMB75CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB75CA 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 P6SMB75CA?
For technical support, including P6SMB75CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB75CA requirements.
6.How does Aetrix verify that P6SMB75CA is sourced from the original manufacturer or authorized distributors?
All P6SMB75CA 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 P6SMB75CA meets industry standards.
7.What is the process for return or replacement of P6SMB75CA?
All P6SMB75CA units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB75CA, 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 P6SMB75CA part is unused and in its original packaging.
Return procedure for P6SMB75CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB75CA 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…
