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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to Z21D391.

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Semitec USA Corp RFQ AVAILABLE

Z21D391

VARISTOR 390V 10KA DISC 20MM

Part Number: Z21D391

Manufacturer: Semitec USA Corp

Category: Varistors, MOVs

Package: Disc 20mm

Datasheet:: Z21D391.pdf

Description: VARISTOR 390V 10KA DISC 20MM

Select Quantity Stock: 1,000

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TECHNICAL RESOURCES

Z21D391 Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: Z21D391

Manufacturer: Semitec USA Corp

Package: Disc 20mm

Package / Case: Disc 20mm

Series: Z21D

Packaging: Bulk

Product Status: Active

Maximum AC Volts: 250 V

Maximum DC Volts: 320 V

Varistor Voltage (Min): 351 V

Varistor Voltage (Typ): 390 V

Varistor Voltage (Max): 429 V

Current - Surge: 10 kA

Energy: 275J

Number of Circuits: 1

Capacitance @ Frequency: 1100 pF @ 1 kHz

Operating Temperature: -40°C ~ 85°C (TA)

Features: -

Grade: -

Qualification: -

Mounting Type: Through Hole

Frequently Asked Questions

1. How can I order Z21D391 from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of Z21D391?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of Z21D391 updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for Z21D391?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for Z21D391?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

Z21D391 Procurement and Technical Support

Z21D391 is manufactured by Semitec USA Corp. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing Z21D391 and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for Z21D391.

Part Number: Z21D391

Manufacturer: Semitec USA Corp

Package: Disc 20mm

Category: Varistors, MOVs

Submit BOM RFQ Contact Sales

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Transaction fees are charged according to the selected bank or payment system rules.

Shipping Method

DHL

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UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

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