My Inquiry
My Account
Taiwan Semiconductor Corporation P4SMA62AH
- Part No.:
- P4SMA62AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA62AH.pdf
- Description:
- TVS DIODE 53VWM 85VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,584
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P4SMA62AH from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode rated for 400W peak pulse power, with a working stand-off voltage of 53.0V, breakdown voltage range of 58.9–65.1V at 1mA, and clamping voltage of 85.0V at 5.0A (10/1000μs waveform). It is AEC-Q101 qualified and designed for automotive-grade surge protection in DC/DC converters and power supply rails.
For engineers reviewing the P4SMA62AH datasheet, P4SMA62AH pinout, P4SMA62AH application, or P4SMA62AH equivalent, key selection criteria include its DO-214AC (SMA) package compatibility, 150°C junction temperature rating, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, and low leakage (<1µA at VWM) for low-power system integrity.
Technical Context
The P4SMA62AH operates as a unidirectional avalanche diode, leveraging glass-passivated junction technology to achieve sub-1ps response time and stable clamping under repetitive transients. Its 53.0V working stand-off voltage ensures reliable blocking during normal operation while allowing fast conduction above 58.9V breakdown threshold.
Designed for automotive and industrial environments, it meets JESD201 Class 2 whisker resistance, UL 94V-0 mold compound flammability, and moisture sensitivity level 1 per J-STD-020 - enabling robust reflow soldering and long-term reliability in harsh ambient conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 53.0 V - Maximum continuous reverse voltage before significant leakage; sets safe operating margin below breakdown |
| VBR min/max | 58.9 V / 65.1 V @ 1 mA - Confirmed avalanche onset range; defines minimum overvoltage triggering threshold |
| VC @ IPPM | 85.0 V @ 5.0 A (10/1000μs) - Clamped voltage during worst-case surge; determines protected circuit's maximum stress level |
| PPPM | 400 W - Peak pulse power handling capability; supports high-energy transients per ISO 7637-2 |
| IR @ VWM | <1 µA - Ultra-low reverse leakage; preserves battery life and signal integrity in always-on systems |
| TJ max | +150 °C - Maximum junction temperature; enables operation in under-hood or enclosed power electronics |
| Package | DO-214AC (SMA) - Standardized SMD outline with cathode band marking; compatible with automated placement and IPC-7351 footprints |
Pinout & Package
DO-214AC (SMA) package: surface-mount, single-diode configuration, cathode indicated by molded band on body. Matte tin-plated leads meet J-STD-002 solderability requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current input / Surge return path | Connected to protected line (e.g., +12V rail); conducts surge current toward ground when clamped |
| Cathode | Reference terminal / Clamping node | Connected to system ground; establishes reference for breakdown and clamping action; marked by band |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control, infotainment, and ADAS power domains |
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure |
| ISO 7637-2 compliance | Withstands defined automotive load-dump and inductive-switching transients without degradation |
| Fast response time <1 ps | Clamps before sensitive downstream ICs experience overvoltage damage; critical for microcontroller I/O protection |
| Halogen-free & RoHS | Meets IEC 61249-2-21 and EU RoHS directives; supports green manufacturing and end-of-life recycling |
Applications
| Automotive On-Board DC/DC Converter | Industrial SMPS Input Stage |
|---|---|
Use Scenario: Protects 12V-to-5V/3.3V buck converter inputs against load dump and alternator ripple in vehicle ECUs. IC Role / Device Role: Unidirectional TVS placed between input rail and chassis ground to clamp positive transients. Use Value: Limits voltage seen by controller IC to ≤85.0V during 400W surges, preventing latch-up or gate oxide failure. | Use Scenario: Shields AC-DC front-end rectifier outputs and DC bus nodes in factory automation power supplies. IC Role / Device Role: Standoff protector on primary-side DC link to absorb switching noise and lightning-induced spikes. Use Value: Maintains <1µA leakage at 53.0V, minimizing standby loss while delivering 85.0V clamping under 5A impulse. |
| LED Driver Power Input | Telecom DC Power Interface |
Use Scenario: Safeguards constant-current LED driver ICs in streetlight and signage systems exposed to outdoor surges. IC Role / Device Role: Primary-line TVS on 24V/48V input to suppress induced transients from nearby motor switching. Use Value: Withstands repeated 10/1000μs pulses up to 400W without parameter drift, ensuring multi-year field life. | Use Scenario: Secures -48V telecom power feed inputs against ESD and accidental hot-swap transients. IC Role / Device Role: Unidirectional clamp referenced to system ground, protecting upstream DC-DC and monitoring circuitry. Use Value: Provides 53.0V working stand-off with 58.9–65.1V controlled breakdown, matching telecom nominal voltage margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ64A | DO-214AA package; 64V VWM, 70.1V VC @ 5.7A; same 400W rating but higher clamping voltage | Broader industry footprint; slightly larger body height may affect board clearance | Select SMBJ64A if DO-214AA layout is already established and 70.1V clamping is acceptable |
| 1.5SMC68A | DO-214AB package; 68V VWM, 105V VC @ 3.8A; 1500W rating but significantly higher clamping | Higher power handling but less precise voltage control; suited for less sensitive circuits | Choose 1.5SMC68A only where higher clamping voltage is tolerable and PCB space allows larger package |
Compared with SMBJ64A and 1.5SMC68A, the P4SMA62AH offers tighter VBR tolerance (±5.2%), lower clamping (85.0V), and DO-214AC footprint - making it optimal for space-constrained, automotive-grade designs requiring precise voltage limiting and AEC-Q101 validation.
Availability
P4SMA62AH is available at Aetrix Electronics and suitable for automotive power management, industrial SMPS, LED driver protection, and telecom DC interface applications requiring stable component supply across extended temperature and surge stress conditions.
Supply support for P4SMA62AH 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, specializing in TVS diodes, rectifiers, MOSFETs, and automotive-qualified components.
The P4SMA series belongs to TSC's AEC-Q101-certified transient suppression portfolio, engineered specifically for automotive and industrial power rail protection where reliability under ISO 7637-2 stress and long-term parametric stability are mandatory.
FAQ
What is the breakdown voltage range of the P4SMA62AH?
The P4SMA62AH has a specified breakdown voltage (VBR) range of 58.9 V to 65.1 V at a test current of 1.0 mA, measured per ANSI/IEEE C62.35 standards. This tight ±5.2% tolerance ensures consistent overvoltage triggering behavior across production lots and temperature extremes, supporting robust design margins in automotive and industrial systems where the P4SMA62AH is deployed.
Is the P4SMA62AH suitable for bidirectional transient suppression?
No, the P4SMA62AH is a unidirectional TVS diode intended for protection against positive-polarity transients only. For bidirectional applications, Taiwan Semiconductor specifies parts with "CH" or "CAH" suffixes (e.g., P4SMA62CH). Using the P4SMA62AH in reverse-biased configurations risks permanent damage due to lack of symmetric avalanche capability - always verify polarity alignment during PCB layout for the P4SMA62AH.
What is the maximum clamping voltage of the P4SMA62AH under surge conditions?
The P4SMA62AH clamps to a maximum of 85.0 V when subjected to a 10/1000 μs impulse current of 5.0 A. This value is guaranteed across temperature and process variation, and defines the upper voltage limit imposed on protected circuitry during transient events. Designers must ensure downstream components tolerate this clamped voltage, as the P4SMA62AH will not limit further once this threshold is reached.
Does the P4SMA62AH meet automotive qualification standards?
Yes, the P4SMA62AH is AEC-Q101 qualified and explicitly tested to meet ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b waveforms. It also complies with JESD201 Class 2 whisker resistance, J-STD-020 moisture sensitivity level 1, and UL 94V-0 flammability - confirming its suitability for under-hood and chassis-mounted automotive electronics where the P4SMA62AH is commonly applied.
What package type does the P4SMA62AH use, and is it compatible with standard SMT assembly?
The P4SMA62AH uses the DO-214AC (SMA) surface-mount package with matte tin-plated leads compliant with J-STD-002 solderability requirements. Its standardized footprint supports automated pick-and-place and reflow soldering per IPC-7351 guidelines. The cathode band marking ensures correct orientation during assembly, and the 0.060g weight minimizes mechanical stress - all verified features of the P4SMA62AH used in high-volume manufacturing.
P4SMA62AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AC, SMA
- Series:
- P4SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 53V
- Voltage - Breakdown (Min):
- 58.9V
- Voltage - Clamping (Max) @ Ipp:
- 85V
- Current - Peak Pulse (10/1000µs):
- 5A
- Power - Peak Pulse:
- 400W
- 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-214AC (SMA)
P4SMA62AH FAQ
1.How can I place an order for P4SMA62AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA62AH 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 P4SMA62AH reliable?
The price and inventory of P4SMA62AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA62AH is usually 5 days.
3.What payment methods are accepted for P4SMA62AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA62AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA62AH?
P4SMA62AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA62AH 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 P4SMA62AH?
For technical support, including P4SMA62AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA62AH requirements.
6.How does Aetrix verify that P4SMA62AH is sourced from the original manufacturer or authorized distributors?
All P4SMA62AH 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 P4SMA62AH meets industry standards.
7.What is the process for return or replacement of P4SMA62AH?
All P4SMA62AH units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA62AH, 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 P4SMA62AH part is unused and in its original packaging.
Return procedure for P4SMA62AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA62AH 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
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
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 …
