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HomeProductsCircuit ProtectionTVS - Varistors, MOVsSDV2012A220C401NPTF
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SDV2012A220C401NPTF - Shenzhen Sunlord Electronics Co., Ltd.

Manufacturer Part Number
SDV2012A220C401NPTF
Manufacturer
Shenzhen Sunlord Electronics
Allelco Part Number
98D-SDV2012A220C401NPTF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
42,206 pcs available, New & Original
Parts Description
VARISTOR 34V 120A 0805
Package
0805 (2012 Metric)
Data sheet
-
RoHs Status
 
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Our certification
In stock: 42206
  • Unit Price: $0.112
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.112 $0.11
200+ $0.028 $5.60
500+ $0.026 $13.00
1000+ $0.025 $25.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

SDV2012A220C401NPTF Tech Specifications
Shenzhen Sunlord Electronics Co., Ltd. - SDV2012A220C401NPTF technical specifications, attributes, parameters and parts with similar specifications to Shenzhen Sunlord Electronics Co., Ltd. - SDV2012A220C401NPTF

Product Attribute Attribute Value
Manufacturer Shenzhen Sunlord Electronics
Varistor Voltage (Typ) 30 V
Varistor Voltage (Min) 26 V
Varistor Voltage (Max) 34 V
Series SDV
Package / Case 0805 (2012 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 125°C (TA)
Product Attribute Attribute Value
Number of Circuits 1
Mounting Type Surface Mount, MLCV
Maximum DC Volts 22 V
Maximum AC Volts 15.6 V
Features -
Energy 0.3J
Current - Surge 120 A
Capacitance @ Frequency 400 pF @ 1 MHz

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8533.40.4000

Frequently Asked Questions(FAQ)

What are the key electrical specifications of the SDV2012A220C401NPTF varistor that determine its suitability for transient voltage suppression in high-reliability applications?
The SDV2012A220C401NPTF operates with a nominal varistor voltage of 30 V, ranging from 26 V to 34 V, and can absorb surge currents up to 120 A. Its energy rating is 0.3 J per pulse, which supports protection against moderate transient events such as ESD or inductive switching spikes. With a maximum DC working voltage of 22 V and AC voltage of 15.6 V, it is suitable for low-voltage digital circuits operating near 3.3 V logic levels. The capacitance of 400 pF at 1 MHz indicates limited impact on high-speed signal integrity when used in parallel with sensitive ICs.
How does the SDV2012A220C401NPTF compare to larger form-factor varistors in terms of surge current handling and thermal performance under repetitive transient conditions?
Compared to through-hole or larger surface-mount varistors like 1206- or 2220-sized devices, the SDV2012A220C401NPTF’s 0805 package offers lower surge current capacity (120 A vs. typically 200–500 A) and reduced energy dissipation due to smaller internal electrodes and heat-spreading area. While it can handle single-event transients effectively, repetitive surges may require careful layout and thermal management to avoid degradation. Larger varistors provide better clamping consistency under sustained stress but occupy more PCB real estate, making the SDV2012A220C401NPTF a space-constrained alternative with trade-offs in endurance.
What design considerations should engineers evaluate when selecting the SDV2012A220C401NPTF for use in automotive-grade power supply lines exposed to load dump events?
Although the SDV2012A220C401NPTF is rated for -55°C to 125°C operation, its 0.3 J energy absorption is significantly lower than automotive-specific components designed for load dump scenarios (often requiring ≥5 J). In such applications, supplemental protection using dedicated TVS diodes or higher-energy varistors is recommended. If space permits, a hybrid approach combining the SDV2012A220C401NPTF with a fast-acting TVS device improves response time while leveraging the varistor’s bulk energy handling for initial clamping.
Can the SDV2012A220C401NPTF be used in series or parallel configurations to extend voltage range or surge capability, and what are the risks involved?
Parallel connection of multiple SDV2012A220C401NPTF units is possible to increase total surge current sharing, but requires careful matching of varistor voltages due to manufacturing tolerances (±10–15%). Mismatched units may lead to uneven current distribution, causing premature failure in the lowest-voltage unit. Series connections can extend voltage coverage but introduce imbalance issues unless matched precisely; additionally, parasitic inductance in interconnects may reduce effectiveness during fast transients—making this configuration generally impractical without active balancing networks.
How does the leakage current of the SDV2012A220C401NPTF behave across its operating temperature range, and what implications does this have for low-power battery-powered designs?
While exact leakage current values are not provided in the datasheet, typical multilayer ceramic varistors exhibit increasing leakage with temperature. At 125°C, leakage may rise to microamps per volt, potentially impacting battery life in IoT nodes or portable devices powered by coin cells. Engineers should assume worst-case leakage near upper temperature limits and consider periodic power cycling or alternative protection methods like ultra-low-leakage Zener diodes if long-term standby current budget is critical.
Is the SDV2012A220C401NPTF compliant with RoHS and REACH regulations, and how does this affect global supply chain compatibility?
Yes, the SDV2012A220C401NPTF complies with RoHS directives and has an ECCN classification of EAR99, indicating no export restrictions under U.S. regulations. It also carries an Moisture Sensitivity Level (MSL) of 1, meaning it can be stored indefinitely without baking before reflow. This ensures broad acceptance in international markets including EU, North America, and Asia-Pacific regions, simplifying procurement for globally distributed product development teams.
What mounting and soldering precautions are essential when deploying the SDV2012A220C401NPTF in high-volume SMT assembly processes?
As an MSL 1 component, the SDV2012A220C401NPTF can undergo standard reflow profiles without pre-drying. However, excessive peak temperatures above 260°C or prolonged exposure (>60 seconds) may degrade internal dielectric layers and alter varistor characteristics. Recommended profiles follow IPC-J-STD-020 for lead-free soldering, with ramp rates controlled to minimize thermal shock. Proper solder paste printing and alignment are crucial due to the small 0805 footprint to ensure reliable wetting and mechanical stability under vibration.
How does the capacitance value of 400 pF @ 1 MHz influence signal integrity in high-speed communication interfaces where the SDV2012A220C401NPTF is installed across data lines?
The 400 pF capacitance introduces minimal loading at lower frequencies but becomes significant near 100 MHz, potentially attenuating differential signals in USB 2.0, Ethernet, or LVDS links. While not prohibitive for I²C or SPI buses, designers should simulate insertion loss and phase distortion using S-parameters derived from similar varistor models. In cases where signal fidelity is paramount, placing the SDV2012A220C401NPTF close to connectors reduces trace length and associated impedance effects, mitigating capacitive coupling into active circuitry.
What failure modes should be anticipated during accelerated life testing involving repeated surge pulses on the SDV2012A220C401NPTF, and how do they manifest in field returns?
Under repetitive surge conditions exceeding 0.3 J cumulative energy, internal delamination or electrode erosion may occur, leading to increased leakage current, degraded clamping response, or eventual open-circuit failure. Field failures often appear as latent degradation rather than catastrophic shorts, making detection difficult without periodic in-situ monitoring. To mitigate risk, engineers should implement derating guidelines—limiting surge events to <10% of rated energy per hour—and include diagnostic feedback paths in safety-critical systems.
How does the SDV2012A220C401NPTF perform in environments with elevated humidity, given its MSL 1 rating and lack of hermetic sealing?
MSL 1 indicates the component is insensitive to moisture prior to reflow, but long-term exposure to 85°C/85% RH conditions may accelerate electrochemical migration along the ceramic-substrate interface over years. While unlikely in most consumer electronics, industrial or marine applications might benefit from conformal coating to isolate the SDV2012A220C401NPTF from conductive contaminants. Monitoring for dendrite growth or leakage shifts during burn-in tests is advisable for mission-critical deployments.
Can the SDV2012A220C401NPTF replace a traditional Zener diode in reverse-bias clamping applications, and under what conditions would this substitution be beneficial or detrimental?
Substituting the SDV2012A220C401NPTF for a Zener diode is generally not recommended due to its nonlinear voltage-dependent resistance and higher dynamic impedance. Zeners offer precise breakdown thresholds and stable low-current regulation, whereas varistors respond aggressively only above their threshold. However, in scenarios involving high-energy transients where speed outweighs precision, the SDV2012A220C401NPTF provides faster response (<1 ns) than most Zeners, making it preferable as a primary clamp despite looser control. Use together—Zener for fine regulation, varistor for bulk suppression—when both accuracy and robustness are required.
What are the implications of using the SDV2012A220C401NPTF in redundant protection architectures alongside transient voltage suppressors (TVS) diodes?
Combining the SDV2012A220C401NPTF with a low-capacitance TVS diode creates a tiered protection scheme: the varistor handles large-energy bursts first, reducing stress on the faster, lower-capacitance TVS. However, impedance mismatch between the two can cause uneven current sharing during fast transients. Layout symmetry, short traces, and proper ground plane design are essential to ensure both devices activate within nanoseconds of each other. Simulation using circuit simulators like SPICE helps optimize coordination, especially in USB-C or PoE applications where combined capacitance must remain below 0.5 pF.
How does the package size of the SDV2012A220C401NPTF affect routing density and thermal management in compact IoT sensor nodes?
The 0805 footprint allows dense placement on flex PCBs or miniaturized modules, enabling integration near sensitive analog front-ends without consuming excessive board area. However, its small thermal mass limits heat dissipation during surge events, necessitating proximity to ground planes or thermal vias for passive cooling. In high-surge-rate environments, adjacent component spacing must avoid coupling interference, and airflow considerations become secondary unless natural convection suffices—designers should validate hotspot temperatures using finite element analysis (FEA) tools.
Are there any known reliability concerns specific to Shenzhen Sunlord Electronics Co., Ltd. regarding the SDV2012A220C401NPTF batch-to-batch variation?
While Sunlord maintains ISO-certified production processes, some users report slight variations in varistor voltage tolerance (±5–10%) across different reel lots. These deviations can affect system-level clamping consistency, particularly in precision analog designs. To manage risk, procurement contracts should specify statistical process control (SPC) compliance and request batch-level characterization data. Implementing online test points during manufacturing enables real-time verification of actual varistor voltage, ensuring compliance with application-specific thresholds without redesign effort.
What environmental and regulatory documentation is typically available for the SDV2012A220C401NPTF to support sustainability reporting and end-of-life disposal planning?
The SDV2012A220C401NPTF complies with RoHS, REACH, and WEEE directives, with material composition reports listing lead-free terminations and halogen-free ceramics. HTSUS code 8533.40.4000 facilitates customs clearance, while full conflict mineral disclosures align with Dodd-Frank Section 1502 requirements. Manufacturer-provided certificates of conformance (CoC) and material declarations simplify compliance audits, supporting circular economy goals by confirming recyclability through standard electronic waste streams without hazardous residues.

Parts with Similar Specifications

The three parts on the right have similar specifications to Shenzhen Sunlord Electronics Co., Ltd. SDV2012A220C401NPTF

Product Attribute SDV2012A220C501NPTF SDV2012A260C401NPTF SDV2012A220C251NPTF SDV2012A140C401NPTF
Part Number SDV2012A220C501NPTF SDV2012A260C401NPTF SDV2012A220C251NPTF SDV2012A140C401NPTF
Manufacturer Shenzhen Sunlord Electronics Co., Ltd. Shenzhen Sunlord Electronics Co., Ltd. Shenzhen Sunlord Electronics Co., Ltd. Shenzhen Sunlord Electronics Co., Ltd.
Maximum AC Volts - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Features - - - Simultaneous Sampling
Varistor Voltage (Max) - - - -
Varistor Voltage (Min) - - - -
Number of Circuits - - - -
Maximum DC Volts - - - -
Capacitance @ Frequency - - - -
Energy - - - -
Varistor Voltage (Typ) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Surge - - - -

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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SDV2012A220C401NPTF Image

SDV2012A220C401NPTF

Shenzhen Sunlord Electronics Co., Ltd.
98D-SDV2012A220C401NPTF

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