Can I request technical information for SD55WBB?

Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to SD55WBB.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

Stock & Batch Verification Confirm available quantity, date code and delivery schedule.

Alternative Part Sourcing Request compatible or replacement parts when stock is limited.

Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.

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: Supplier Verification
Supplier review and component quality inspection support.

: Technical Documents
Datasheet and specification confirmation for engineers.

: One-Stop BOM Sourcing
Multi-part procurement and shortage sourcing assistance.

Bourns Inc. RFQ AVAILABLE

SD55WBB

TCO HC SMD 55C NON SELF HOLD

Part Number: SD55WBB

Manufacturer: Bourns Inc.

Category: Thermal Cutoffs (Thermal Fuses)

Package: 4-SMD, Gull Wing

Datasheet:: SD55WBB.pdf

Description: TCO HC SMD 55C NON SELF HOLD

Select Quantity Stock: 3,748

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TECHNICAL RESOURCES

SD55WBB Technical Information

Specifications
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Hot Sale
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Specifications

Product Attribute: Attribute Value

Part Number: SD55WBB

Manufacturer: Bourns Inc.

Package: 4-SMD, Gull Wing

Package/Case: 4-SMD, Gull Wing

Series: SD

Packaging: Tape & Reel (TR)

Product Status: Active

Type: Breaker

Holding Temperature: -

Rated Functioning Temperature: 55°C (131°F)

Reset Temperature: 20°C (68°F)

Voltage Rating - AC: -

Voltage Rating - DC: 28.0

Current Rating (Amps): 8 A

Approval Agency: -

Maximum Temperature Limit: -

Frequently Asked Questions

1. How can I order SD55WBB 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 SD55WBB?

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

3. Are the stock and price of SD55WBB 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 SD55WBB?

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 SD55WBB?

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.

SD55WBB Procurement and Technical Support

SD55WBB is manufactured by Bourns Inc.. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing SD55WBB 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 SD55WBB.

Part Number: SD55WBB

Manufacturer: Bourns Inc.

Package: 4-SMD, Gull Wing

Category: Thermal Cutoffs (Thermal Fuses)

Submit BOM RFQ Contact Sales

Payment Method

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

Shipping Method

DHL

FedEx

UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

Shipping Fee

Calculated according to destination and parcel weight

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