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Taiwan Semiconductor Corporation P6SMB100AH
- Part No.:
- P6SMB100AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100AH.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,432
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Product details
Overview
P6SMB100AH from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a 95–105 V breakdown voltage (VBR), 85.5 V stand-off voltage (VWM), and 137 V clamping voltage (VC) at 4.5 A peak pulse current. It features AEC-Q101 qualification, glass passivated junction, and DO-214AA (SMB) package - designed for automotive ECU power rail protection against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB100AH datasheet, P6SMB100AH pinout, P6SMB100AH application, or P6SMB100AH equivalent, key selection criteria include its 137 V clamping performance at 4.5 A, <1 µA leakage at 85.5 V, 1.0 ps response time, AEC-Q101 qualification, and compatibility with automated SMT placement in space-constrained automotive modules.
Technical Context
The P6SMB100AH operates as a unidirectional avalanche diode, conducting only in reverse bias above VBR to clamp transient overvoltages. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1 µA at VWM = 85.5 V), while the DO-214AA package provides thermal resistance of RθJA = 55 °C/W and RθJC = 10 °C/W for reliable power dissipation under repetitive surge conditions.
It meets ISO 7637-2 immunity requirements for automotive electronics, including Pulse 1 (inductive load dump suppression), Pulse 2a (sudden load disconnect), and Pulse 3a/3b (switching noise). The device's 0.106 %/°C VBR temperature coefficient ensures predictable voltage threshold drift across –55 °C to +150 °C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 95 V / 105 V - defines guaranteed avalanche conduction onset window under 1 mA test current |
| VWM | 85.5 V - maximum continuous reverse working voltage before leakage exceeds 1 µA |
| VC @ IPPM | 137 V at 4.5 A - clamped voltage during 10/1000 µs surge, limiting downstream IC stress |
| PPPSM | 600 W - non-repetitive peak pulse power handling per standard 10/1000 µs waveform |
| IR @ VWM | <1 µA - ensures negligible standby power loss and signal integrity in high-impedance circuits |
| TJ Range | –55 °C to +150 °C - supports under-hood automotive deployment without derating |
| Response Time | <1.0 ps - enables effective suppression of fast EFT and ESD events before system damage occurs |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-diode configuration with cathode band marking. Matte tin-plated leads meet J-STD-002 solderability; moisture sensitivity level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or low-side return path in unidirectional TVS configuration |
| Cathode | Avalanche conduction terminal | Connected to protected line (e.g., 12 V battery rail); conducts when reverse voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and mechanical shock per AEC stress test plan |
| Glass passivated junction | Ensures stable VBR tolerance, low leakage, and long-term parameter stability under thermal/humidity stress |
| ISO 7637-2 compliance | Guaranteed immunity to standardized automotive transients (Pulse 1, 2a, 2b, 3a, 3b) without external circuitry |
| Low-profile SMB package | Enables high-density PCB layout in engine control units and ADAS modules with minimal Z-height impact |
| Halogen-free & RoHS | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally compliant manufacturing and end-of-life processing |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply lines in engine control units (ECUs) from load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS clamps reverse transients on battery-fed rails to prevent overvoltage damage to microcontrollers and CAN transceivers. Use Value: With 137 V clamping at 4.5 A and AEC-Q101 qualification, P6SMB100AH maintains system uptime in harsh under-hood environments where transients exceed 100 V. | Use Scenario: Safeguarding analog front-end inputs of industrial current/voltage sensors exposed to field wiring surges. IC Role / Device Role / Timing Role: Standoff at 85.5 V allows normal operation up to nominal 72 V DC systems while clamping >100 V transients within nanoseconds. Use Value: Sub-1 µA leakage preserves measurement accuracy in high-impedance sensor bridges; DO-214AA footprint simplifies retrofit into legacy 4–20 mA transmitter designs. |
| LED Driver Supply Protection | Telecom DC Power Input Protection |
Use Scenario: Shielding constant-current LED drivers in automotive lighting from alternator ripple and relay bounce. IC Role / Device Role / Timing Role: Placed across input capacitors to absorb repetitive 600 W pulses without degradation, extending driver lifetime. Use Value: 600 W peak power rating and 150 °C junction rating allow sustained operation in sealed headlamp enclosures with ambient temperatures up to 125 °C. | Use Scenario: Guarding -48 V telecom power feeds against lightning-induced surges and hot-swap transients. IC Role / Device Role / Timing Role: Bidirectional variant not required; unidirectional P6SMB100AH used with polarity-aware rectification for negative-rail protection. Use Value: 137 V clamping ensures downstream DC/DC converters remain within absolute maximum ratings even during 200 V surge events per IEC 61000-4-5. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ100A | Same DO-214AC (SMA) package; lower PPPSM = 400 W; VC = 158 V @ 2.5 A | Lower surge margin; suitable for cost-sensitive consumer-grade 12 V systems, not automotive | Select SMAJ100A only if 400 W rating suffices and AEC-Q101 is not required. |
| 1.5SMC100A | DO-214AB (SMC) package; higher PPPSM = 1500 W; VC = 158 V @ 9.5 A; larger footprint | Higher power handling but 3.5× board area; requires layout revision | Choose 1.5SMC100A when system-level surge testing exceeds 600 W or when longer pulse durations apply. |
Compared with SMAJ100A and 1.5SMC100A, the P6SMB100AH delivers optimal balance of AEC-Q101 compliance, 600 W surge capability, and compact SMB footprint - making it the preferred choice for space-constrained, high-reliability automotive power rail protection where clamping voltage must stay ≤137 V.
Availability
P6SMB100AH is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, LED driver modules, and telecom DC power inputs requiring stable component supply with full traceability and lifecycle management.
Supply support for P6SMB100AH 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 semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for automotive, industrial, and computing markets.
The P6SMB series belongs to TSC's AEC-Q101-qualified TVS portfolio, engineered specifically for robust transient immunity in automotive power distribution networks and industrial control systems operating up to 150 °C junction temperature.
FAQ
What is the clamping voltage of the P6SMB100AH and how is it measured?
The P6SMB100AH has a maximum clamping voltage (VC) of 137 V, measured at a peak pulse current (IPPM) of 4.5 A using the standardized 10/1000 µs double-exponential surge waveform. This value is guaranteed across the full operating temperature range and confirms the device's ability to limit transient energy delivered to downstream circuitry - a critical parameter for protecting 100 V-rated components in automotive power domains.
Is the P6SMB100AH suitable for bidirectional transient protection?
No, the P6SMB100AH is a unidirectional TVS diode intended for DC line protection with defined polarity. For bidirectional applications such as AC lines or data bus protection, the P6SMB100AH variant must be replaced with the bipolar P6SMB100AH - which carries the "CAH" suffix and exhibits symmetrical breakdown in both directions. Using P6SMB100AH in reverse-biased AC configurations risks permanent failure.
Does the P6SMB100AH meet automotive qualification standards?
Yes, the P6SMB100AH is AEC-Q101 qualified and tested per the full stress test schedule including HTGB, HTRB, temperature cycling, and mechanical shock. It also meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements - confirming suitability for use in engine control units, body control modules, and ADAS subsystems where automotive-grade reliability is mandatory.
What is the thermal resistance of the P6SMB100AH and how does it affect PCB layout?
The P6SMB100AH has a junction-to-ambient thermal resistance (RθJA) of 55 °C/W and junction-to-case (RθJC) of 10 °C/W. To maintain TJ ≤ 150 °C under worst-case 600 W surge duty, PCB copper area around the DO-214AA pads must provide ≥250 mm² of 2-oz copper with thermal vias to inner ground planes. Insufficient copper will cause localized overheating and premature parametric shift.
How does the P6SMB100AH compare to the P6SMB100H variant?
The P6SMB100AH offers tighter VBR tolerance (95–105 V vs. 90–110 V for P6SMB100H) and lower clamping voltage (137 V vs. 144 V), resulting in improved protection margin for sensitive 100 V-rated loads. Both share identical DO-214AA packaging, AEC-Q101 qualification, and ISO 7637-2 compliance - but P6SMB100AH is preferred where precise voltage clamping and reduced let-through energy are design-critical.
P6SMB100AH 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 4.5A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB100AH FAQ
1.How can I place an order for P6SMB100AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100AH 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 P6SMB100AH reliable?
The price and inventory of P6SMB100AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100AH is usually 5 days.
3.What payment methods are accepted for P6SMB100AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100AH?
P6SMB100AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100AH 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 P6SMB100AH?
For technical support, including P6SMB100AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100AH requirements.
6.How does Aetrix verify that P6SMB100AH is sourced from the original manufacturer or authorized distributors?
All P6SMB100AH 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 P6SMB100AH meets industry standards.
7.What is the process for return or replacement of P6SMB100AH?
All P6SMB100AH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100AH, 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 P6SMB100AH part is unused and in its original packaging.
Return procedure for P6SMB100AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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