D20V0L1B2WS-7 Diodes Inc. TVS Diode (Bi-directional) (Small Outline Diode) In Stock
Diodes Inc. D20V0L1B2WS-7 is a single bi-directional transient voltage suppressor (TVS) diode in a SOD-323 small outline package with a 20 V working voltage and 27 V maximum clamping voltage. It protects sensitive electronics from ESD and transient overvoltage events with fast clamping response. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Diodes Inc.
- Package
- Small Outline Diode
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- D20V0L1B2WS-7 Datasheet PDF
- Category
- TVS Diode (Bi-directional)
- Price
- From $0.0692(MOQ 1)
- Temp Range
- -65.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Bi-directional TVS diode with 20 V standoff voltage and 27 V maximum clamping voltage for effective overvoltage protection of sensitive signal lines
- Breakdown voltage range of 21 V to 25 V (nominal 23 V) providing precise clamping threshold for 20 V bus protection applications
- Compact SOD-323 (R-PDSO-G2) small-outline 2-pin package enabling minimal PCB footprint in space-constrained portable and consumer electronics designs
- Single silicon TVS element with fast sub-nanosecond response time for effective suppression of ESD and lightning-induced transient spikes
Applications
The D20V0L1B2WS-7 is designed to protect 20 V signal lines, power rails, and interface pins in consumer electronics, industrial equipment, and automotive accessories from ESD strikes and transient overvoltage events. Its bi-directional clamping action and 27 V maximum clamping voltage make it suitable for protecting analog input lines, communication bus interfaces, and power supply outputs in portable devices and embedded systems. The compact SOD-323 package also suits it for space-constrained PCB designs in mobile accessories, IoT sensors, and USB power delivery circuitry.
Specifications
| Factory Lead Time | 12Weeks |
| YTEOL | 6 |
| Breakdown Voltage-Max | 25V |
| Breakdown Voltage-Min | 21V |
| Breakdown Voltage-Nom | 23V |
| Clamping Voltage-Max | 27V |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JESD-30 Code | R-PDSO-G2 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 90W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity | BIDIRECTIONAL |
| Power Dissipation-Max | 0.2W |
| Rep Pk Reverse Voltage-Max | 20V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Diode |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for D20V0L1B2WS-7:
suggested
suggested
Frequently Asked Questions
What is the standoff voltage and clamping voltage of the D20V0L1B2WS-7 TVS diode?
The D20V0L1B2WS-7 has a 20 V standoff (working) voltage and a maximum clamping voltage of 27 V at its rated peak pulse current. The breakdown voltage ranges from 21 V minimum to 25 V maximum with a nominal value of 23 V. This tight 4 V clamping window between standoff and maximum clamp keeps transient overvoltage excursions well-controlled, protecting downstream circuits from damage while not triggering during normal 20 V operating conditions.
Why is a bi-directional TVS like the D20V0L1B2WS-7 preferred over a unidirectional type on AC or differential signal lines?
A bi-directional TVS clamps voltage transients of both polarities, making it essential for protecting AC signal lines, differential pairs such as RS-485 or CAN bus, and analog inputs that swing above and below ground. A unidirectional TVS conducts in only one direction like a zener diode and would fail to suppress negative-polarity transients, leaving the protected circuit vulnerable to ESD events that drive the line negative. The D20V0L1B2WS-7 handles both polarities within its 21 V to 25 V breakdown range, providing complete 360-degree protection.
What package does the D20V0L1B2WS-7 use and how does it fit into a compact PCB design?
The D20V0L1B2WS-7 uses a SOD-323 (JESD-30 code R-PDSO-G2) surface-mount package, which measures approximately 1.7 mm x 1.25 mm with a body height under 1 mm. This extremely small footprint allows placement directly at the pin or connector being protected, minimizing the parasitic inductance of the protection path and improving clamping effectiveness. The SOD-323 package is commonly used in smartphones, tablets, wearables, and IoT devices where PCB real estate is tightly controlled.
Which bus protection scenarios benefit most from the D20V0L1B2WS-7 based on its 20 V rating?
The D20V0L1B2WS-7 is particularly well-suited for protecting 12 V to 20 V power rails, industrial analog signal lines running up to 20 V, and interface pins in automotive accessories operating on a nominal 12 V system where load-dump transients can reach 40 V. Its 27 V clamping voltage keeps those transients from reaching sensitive analog ICs, microcontrollers, or communication transceivers. It is also appropriate for protecting the output pins of 20 V buck converters or charging circuits against capacitive load-switching transients during hot-plug events.
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About Diodes Inc.
Diodes Inc. is a leading electronic component manufacturer. FindMyChip sources Diodes Inc. ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
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Diode
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7950 | $0.80 |
| 100+ | $0.1700 | $17.00 |
| 250+ | $0.1290 | $32.25 |
| 500+ | $0.1270 | $63.50 |
| 1000+ | $0.1120 | $112.00 |
| 12000+ | $0.0692 | $830.52 |
In Stock · 24h Response · Worldwide Shipping
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