My Inquiry
My Account
Diodes Incorporated D55V0M1B2WS-7
- Part No.:
- D55V0M1B2WS-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
D55V0M1B2WS-7.pdf
- Description:
- TVS DIODE 55VWM 100VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:112,811
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
D55V0M1B2WS from Diodes Incorporated is a bidirectional transient voltage suppression (TVS) diode designed for high-speed data line and MOSFET gate protection in 60V systems. It delivers ±30kV air/±25kV contact ESD immunity per IEC 61000-4-2, clamps at ≤100V under 2A 8/20µs surge, and exhibits 14–25pF capacitance at 0V bias - enabling robust protection without signal integrity degradation in USB, HDMI, and industrial I/O interfaces.
For engineers reviewing the D55V0M1B2WS datasheet, D55V0M1B2WS pinout, D55V0M1B2WS application, or D55V0M1B2WS equivalent, key selection criteria include its 55V standoff voltage, bidirectional symmetry, SOD323 package footprint, low leakage (<100nA), and verified 200W peak pulse power rating per IEC 61000-4-5.
Technical Context
This TVS diode operates as a symmetrical clamping device with breakdown initiated at 57V (min) and guaranteed clamping ≤100V at 2A surge current. Its bidirectional architecture ensures equal protection against positive and negative transients without polarity dependency, making it suitable for AC-coupled or floating signal paths.
The device leverages silicon avalanche technology to achieve fast response (<1ns), low dynamic impedance, and stable performance across –65°C to +150°C. Its 14–25pF input capacitance is optimized for high-speed interfaces where excessive capacitance would distort edge rates or attenuate bandwidth.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Standoff Voltage | 55 V - Maximum continuous reverse operating voltage before significant leakage begins; sets upper limit for protected circuit DC bias. |
| Breakdown Voltage | 57 V (min) - Voltage at which avalanche conduction initiates reliably; ensures predictable turn-on during overvoltage events. |
| Clamping Voltage | 100 V @ 2A - Maximum voltage seen by downstream circuit during worst-case 8/20µs surge; defines protection margin for 60V MOSFETs. |
| Peak Pulse Power | 200 W - Sustained energy-handling capability under standardized 8/20µs waveform; validates robustness against lightning-induced surges. |
| Capacitance | 14–25 pF @ 0V - Low, controlled junction capacitance enabling use on USB 2.0, CAN FD, and RS-485 lines without signal rise-time degradation. |
| ESD Rating | ±30kV air / ±25kV contact - Meets highest IEC 61000-4-2 level for system-level ESD immunity in handheld and industrial equipment. |
| Leakage Current | <100 nA @ 55V - Negligible standby power loss and minimal loading on high-impedance sensor or reference nodes. |
Pinout & Package
Package: SOD323 - surface-mount plastic case (2.3–2.7mm length × 1.2–1.4mm width × 0.25–0.35mm height), UL 94V-0 rated, moisture sensitivity Level 1, compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode (Bidirectional) | Common terminal for symmetrical avalanche conduction; connects to protected line (e.g., USB D+ or CAN_H). |
| Pin 2 | Cathode (Bidirectional) | Second terminal of symmetrical structure; ties to ground or reference plane to complete clamping path. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD Clamping | Enables single-device protection of AC-coupled or differential signals (e.g., USB, RS-485) without polarity constraints. |
| Ultra-Low Leakage | <100nA at 55V standoff preserves accuracy in precision analog front-ends and battery-monitoring circuits. |
| Controlled Capacitance Range | 14–25pF ensures <5% signal attenuation at 100MHz - critical for maintaining eye diagram integrity in high-speed links. |
| SOD323 Footprint Compatibility | Matches industry-standard 2-pin ultra-small outline package; enables drop-in replacement in space-constrained IoT and automotive ECUs. |
Applications
| USB 2.0 Interface Protection | Industrial I/O Port Protection |
|---|---|
Use Scenario: Protecting USB D+/D− lines in embedded host controllers against ESD events during cable insertion or field operation. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector, shunting transients to chassis ground before reaching PHY IC. Use Value: Prevents latch-up or permanent damage to USB transceivers while maintaining <1ns response and preserving 480Mbps signal fidelity via 25pF max capacitance. | Use Scenario: Safeguarding 24V/48V PLC digital input channels exposed to relay coil flyback and induced surges in factory automation cabinets. IC Role / Device Role / Timing Role: Standoff-rated TVS connected between field input and isolation barrier, limiting transient voltage to safe levels for optocoupler or digital isolator inputs. Use Value: Enables reliable operation under IEC 61000-4-4 (EFT) and -4-5 (surge) tests with 200W peak power handling and 55V standoff matching common industrial supply rails. |
| 60V MOSFET Gate Protection | HDMI Hot-Plug Detection Line |
Use Scenario: Shielding high-side N-channel MOSFET gates in motor drive half-bridges from Miller-induced voltage spikes and layout-coupled transients. IC Role / Device Role / Timing Role: Low-capacitance TVS placed between gate and source, clamping gate-source voltage to ≤100V during switching transitions. Use Value: Prevents gate oxide rupture while adding <0.5ns propagation delay - critical for maintaining PWM timing margins in 100kHz+ inverters. | Use Scenario: Protecting HDMI CEC and HPD lines from electrostatic discharge during repeated cable plugging in consumer AV receivers and set-top boxes. IC Role / Device Role / Timing Role: Symmetrical TVS on bidirectional HPD line, referenced to local ground, ensuring both logic-high and logic-low states remain within safe voltage bounds. Use Value: Maintains HDMI compliance by limiting HPD voltage excursion to <100V during ±30kV air discharge, avoiding false hot-plug detection or sink driver damage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ58A | Unidirectional; 58V standoff; 100pF typical capacitance; DO-214AC package. | Requires external series resistor or polarity-aware layout; unsuitable for AC-coupled or differential lines. | Select only when protecting DC-biased unidirectional signals with higher capacitance tolerance. |
| TPD2E001DRYR | 2-channel array; 5V standoff; 3.5pF typical capacitance; X2SON-6 package. | Optimized for low-voltage high-speed interfaces (e.g., USB 3.0); insufficient standoff for 60V MOSFET protection. | Prefer for multi-line protection below 6V; avoid where ≥55V standoff is mandatory. |
Compared with SMAJ58A and TPD2E001DRYR, D55V0M1B2WS uniquely combines 55V bidirectional standoff, sub-25pF capacitance, and SOD323 size - making it the only option validated for simultaneous 60V MOSFET gate protection and high-speed data line ESD hardening.
Availability
D55V0M1B2WS is available at Aetrix Electronics and suitable for USB interface protection, industrial I/O port hardening, and 60V MOSFET gate safeguarding requiring stable component supply and long-term lifecycle support.
Supply support for D55V0M1B2WS 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability protection, power management, and signal integrity solutions for industrial, computing, and consumer markets.
D55V0M1B2WS belongs to Diodes' TVS Diode portfolio, engineered specifically for compact, high-performance ESD and surge protection in space-constrained, high-speed electronic systems.
FAQ
What is the maximum clamping voltage of D55V0M1B2WS at 2A surge current?
The maximum clamping voltage is 100 V under 2A, 8/20µs surge conditions per the datasheet's Electrical Characteristics table. This value is measured with specified test waveform and defines the upper voltage limit imposed on protected circuitry during worst-case transient events.
Does D55V0M1B2WS require orientation-specific PCB placement?
No - D55V0M1B2WS is a fully symmetrical bidirectional TVS diode. Pin 1 and Pin 2 are electrically identical; either terminal may connect to the protected line or ground. Orientation does not affect clamping behavior or ESD performance.
Can D55V0M1B2WS be used to protect a 48V automotive CAN bus line?
Yes - its 55V standoff voltage provides adequate margin above 48V nominal bus voltage, and its ±30kV ESD rating meets ISO 10605 requirements. However, ensure external series impedance limits peak current to within its 200W rating during combined ESD/surge events.
Is the SOD323 package of D55V0M1B2WS compatible with automated optical inspection (AOI)?
Yes - the SOD323 package features clearly defined solderable terminals, matte tin finish, and consistent dimensional tolerances (per AP02002). Its 2.3–2.7mm body length and 1.2–1.4mm width enable reliable AOI detection using standard machine vision algorithms calibrated for small-outline diodes.
D55V0M1B2WS-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-76, SOD-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 55V (Max)
- Voltage - Breakdown (Min):
- 57V
- Voltage - Clamping (Max) @ Ipp:
- 100V
- Current - Peak Pulse (10/1000µs):
- 2A (8/20µs)
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 14pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
D55V0M1B2WS-7 FAQ
1.How can I place an order for D55V0M1B2WS-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D55V0M1B2WS-7 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 D55V0M1B2WS-7 reliable?
The price and inventory of D55V0M1B2WS-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D55V0M1B2WS-7 is usually 5 days.
3.What payment methods are accepted for D55V0M1B2WS-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D55V0M1B2WS-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D55V0M1B2WS-7?
D55V0M1B2WS-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D55V0M1B2WS-7 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 D55V0M1B2WS-7?
For technical support, including D55V0M1B2WS-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D55V0M1B2WS-7 requirements.
6.How does Aetrix verify that D55V0M1B2WS-7 is sourced from the original manufacturer or authorized distributors?
All D55V0M1B2WS-7 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 D55V0M1B2WS-7 meets industry standards.
7.What is the process for return or replacement of D55V0M1B2WS-7?
All D55V0M1B2WS-7 units undergo pre-shipment inspection (PSI). If there is an issue with D55V0M1B2WS-7, 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 D55V0M1B2WS-7 part is unused and in its original packaging.
Return procedure for D55V0M1B2WS-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D55V0M1B2WS-7 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
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
