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SM278-3/4"
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-11-04. Confirm live availability and unit price via RFQ before placing a PO.

SM278-3/4"

HEATSHRINK 4:1 DUAL BLK 3/4"X4'
Daburn · Heat Shrink Tubing · BOM Matching
Mfr. Part Number
SM278-3/4"
Manufacturer
Daburn
Datasheet
Datasheet
Description
HEATSHRINK 4:1 DUAL BLK 3/4"X4'
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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SM278-3/4"
Daburn
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In Stock3,668
Unit
Price
$19.77
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Reference Price
QuantityPrice
1$ 19.7700
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-11-04 · Valid as reference until 2026-11-11 · Request RFQ for live stock.
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Specification Summary

Operating Temperature
-55°C ~ 135°C
Shrink Temperature
120°C
Color
Black
Features
Adhesive Lined, Fluid Resistant
Inner Diameter - Recovered
0.157" (3.99mm)
Inner Diameter - Supplied
0.630" (16.00mm)
Length
4.00' (1.22m)
Material
Polyolefin (PO)
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-11-04. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Inner Diameter - Supplied
0.630" (16.00mm)
Inner Diameter - Recovered
0.157" (3.99mm)
Recovered Wall Thickness
0.063" (1.60mm)
Shrink Temperature
120°C
Color
Black
Features
Adhesive Lined, Fluid Resistant
Material
Polyolefin (PO)
Operating Temperature
-55°C ~ 135°C
Type
Tubing, Flexible
Shrinkage Ratio
4 to 1
Length
4.00' (1.22m)
Shelf Life
36 Months
Storage/Refrigeration Temperature
-
HEATSHRINK 4:1 DUAL BLK 3/4"X4'
Brand Introduction

Daburn Electronics & Cable has been providing a broad range of electronic hardware and wire and cable products for 51 years. We supply wire, cable and associated hardware, shrinkable tubing, sleeving and cold shrinking tape. To continue meeting customer needs Daburn Electronics also offers Polytron Devices for Medical, Railway, Transportation, Communications, LED and Industrial markets. All Polytron power supplies are UL approved. Polytron Power Devices are also an ISO 9001 and AS9100 quality system certified supplier.

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Buying FAQ — SM278-3/4"

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy SM278-3/4" from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes SM278-3/4". We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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