User Guide
Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.
Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.
MEANS OF PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.
Step1：Prepare product
Step2：Desiccant Protection
Step3：Vacuum Packaging
Step4：Individual Package
Step5：Anti-collision Filling
Step6：Packaging Box
1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
DB4 Information
ST DB4 technical specifications, attributes, parameters and parts with similar specifications to ST DB4.
- Type
- Parameter
- Lifecycle Status
- ACTIVE (Last Updated: 8 months ago)
- Factory Lead Time
- 11 Weeks
- Contact Plating
- Tin
- Mount
- Through Hole
- Package / Case
- DO-204AH, DO-35, Axial
- Number of Pins
- 2
- Weight
- 137.013245mg
- Operating Temperature
- -40°C~125°C TJ
- Packaging
- Tape & Reel (TR)
- JESD-609 Code
- e3
- Type
- Parameter
- Part Status
- Active
- Moisture Sensitivity Level (MSL)
- 1 (Unlimited)
- Number of Terminations
- 2
- ECCN Code
- EAR99
- HTS Code
- 8541.30.00.80
- Subcategory
- DIACs
- Terminal Form
- WIRE
- Current Rating
- 2A
- Base Part Number
- DB4
- Max Output Current
- 2A
Download datasheets and manufacturer documentation for ST DB4.
Datasheets:
DB4 Description
Functioning as a trigger diode with a fixed voltage reference, the DB3/DB4 series can
be used in conjunction with triacs for simplified gate control circuits or as a starting
element in fluorescent lamp ballasts.
The surface mount SOT23-3L package allows compact, SMD based designs for
automated manufacturing.
DB4 Features
VBO : 32 V and 40 V
Low breakover current
Breakover voltage symmetry : 3V
ECOPACK?2 compliant
DB4 Applications
Triggering device for Triac or SCR based motor / light dimmer
32 V trigger device for oscillator circuit
Start up triggering in lighting ballast for CFL, TL or LED lamps
DB4 Relevant information
The following parts are popular search parts in Integrated Circuits (ICs).
In Stock :Available
Looking for price or availability? Send us an RFQ and our sales team will respond quickly.
Shipping & Availability
Fast worldwide shipping via DHL, FedEx, UPS, and EMS.
Payment
We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.
Authenticity Guarantee
All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.
Quality Assurance
Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
Warehouse Area(㎡)