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STD840DN40

  • STD840DN40
  • STD840DN40

STD840DN40

STD840DN40

STMicroelectronics

TRANS 2NPN 400V 4A 8DIP

STD840DN40 Datasheet

compliant

8-DIP (0.300", 7.62mm)

HongKong/Shenzhen Warehouse

DHL/Fedex/UPS/TNT/SF/EMS

STD840DN40 Pricing & Ordering

Quantity Unit Price Ext. Price
1 $0.00000 $0
500 $0 $0
1000 $0 $0
1500 $0 $0
2000 $0 $0
2500 $0 $0
Inventory changes frequently.
Send Inquiry
Upload BOM File

STD840DN40 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

STD840DN40 STMicroelectronics

Name Value
Product Status Obsolete
Transistor Type 2 NPN (Dual)
Current - Collector (Ic) (Max) 4A
Voltage - Collector Emitter Breakdown (Max) 400V
Vce Saturation (Max) @ Ib, Ic 1V @ 400mA, 2A
Current - Collector Cutoff (Max) 250µA
DC Current Gain (hFE) (Min) @ Ic, Vce 8 @ 2A, 5V
Power - Max 3W
Frequency - Transition -
Operating Temperature 150°C (TJ)
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP
Q1: What is the purchase guide for STD840DN40?
STD840DN40 of STMicroelectronics is a TRANS 2NPN 400V 4A 8DIP. ICHOME is a long-term spot supplier of STD840DN40, supporting sample purchase and bulk order.
Q2: How to find the detailed information of STD840DN40?
Download STD840DN40 Datasheet
Q3: What payment can support in ICHOME?
PayPal, Payoneer, Visa, Bank Transfer, AliExpress.
Q4: Where do you sourcingSTD840DN40 from?
After 21 years of long-term and stable development, ICHOME have accumulated leading supply chain partner.
Q5: Can you provide STD840DN40 alternative/replacement suggestions?
Through different levels of industry applications, ICHOME engineers will analyze component risks (discontinued, single source, etc.) and give you STD840DN40 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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