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KA3843B

KA3843B

KA3843B

IC OFFLINE SWITCH 8DIP

compliant

8-DIP (0.300", 7.62mm)

HongKong/Shenzhen Warehouse

DHL/Fedex/UPS/TNT/SF/EMS

KA3843B Pricing & Ordering

Quantity Unit Price Ext. Price
3,000 $0.32340 -
145732 items

KA3843B Purchase Assurance: Buy Confidently, Use Securely

Transparent & Traceable Sources

We source exclusively from verified channels to ensure authenticity:

  • Direct from manufacturer and OEMs
  • Authorized distributors
  • Market-vetted traders (3+ years stable supply)

Every batch is traceable with documented proof of origin.

Quality Inspection Process

We enforce strict checks to ensure components meet standards:

  • Visual: Appearance, markings, packaging, batch codes
  • X-ray: Pad consistency (on request)
  • Function test: Sample checks for specific models (upon request)
  • Reports: Available upon request
Flexible Payments & Terms

We adapt to your project needs:

  • T/T, PayPal, Credit Card
  • Credit terms for long-term partners (e.g., monthly, Net 15/30)
Reliable After-Sales Support

365 Days warranty with streamlined solutions:

  • Defective? Free returns/replacements
  • Fast reshipment or refund
  • Full-service sourcing: Procurement & payment support
Bom Cost Down
Bom Cost Down
Wholesale Prices for Every Order, Big or Small
Wholesale Prices for Every Order, Big or Small

KA3843B Fairchild Semiconductor

Name Value
Product Status Active
Output Isolation -
Internal Switch(s) No
Voltage - Breakdown -
Topology -
Voltage - Start Up 8.4 V
Voltage - Supply (Vcc/Vdd) 12V ~ 25V
Duty Cycle 97%
Frequency - Switching Up to 500kHz
Power (Watts) -
Fault Protection -
Control Features Frequency Control
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP
Mounting Type Through Hole
Q1: What is the purchase guide for KA3843B?
KA3843B of Fairchild Semiconductor is a IC OFFLINE SWITCH 8DIP. ICHOME is a long-term spot supplier of KA3843B, supporting sample purchase and bulk order.
Q2: How to find the detailed information of KA3843B?
Download KA3843B Datasheet
Q3: What payment can support in ICHOME?
PayPal, Payoneer, Visa, Bank Transfer, AliExpress.
Q4: Where do you sourcingKA3843B from?
After 21 years of long-term and stable development, ICHOME have accumulated leading supply chain partner.
Q5: Can you provide KA3843B alternative/replacement suggestions?
Through different levels of industry applications, ICHOME engineers will analyze component risks (discontinued, single source, etc.) and give you KA3843B replacement suggestions, and then provide you with alternative products, supporting free sample delivery.
Q6: Why choose ICHOME?
Compared with ordinary agents, ICHOME provides full BOM matching, EOL judgment, alternative model suggestions, large stock + flexible procurement, test reports, return service
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