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Power Integrations CAP004DG-TL
- Part No.:
- CAP004DG-TL
- Manufacturer:
- Power Integrations
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC CAPACITOR DISCHARGE 8SO
- Quantity:
Unit Price:$0.54
Ext Price:$0.54
- Payment:
- Shipping:
Product Details
CAP004DG-TL - Zero-Loss Automatic X-Capacitor Discharge IC
CAP004DG-TL from Power Integrations is an 825 V two-terminal controller that disconnects X-capacitor bleed resistors while AC is present and reconnects them after the supply is removed.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
CAP004DG reduces standby loss by blocking current through the X-capacitor discharge resistors during normal AC operation, then automatically reconnecting the resistors when AC is disconnected.
Key Advantages
Cuts discharge-resistor loss to below 5 mW at 230 VAC without an external bias supply.
Allows a larger X capacitor and smaller EMI inductors while preserving the required discharge time constant.
Available in an established surface-mount or through-hole ordering format.
Electrical and environmental limits are defined by the official data sheet.
Feature Summary
Automatic discharge of EMI-filter X capacitors
Self-powered two-terminal connection in series with the discharge-resistor network
825 V drain rating; -10 C to +105 C; up to 1 uF X capacitance
8-SOIC (0.154", 3.90mm Width)
Package & Footprint
This ordering code uses the 8-SOIC (0.154", 3.90mm Width) package.
Pin Functions
Confirm exact numbering and the latest land pattern before PCB release.
Key Specifications
| Function | Automatic X-capacitor discharge |
|---|---|
| Breakdown voltage | 825 V |
| Maximum X capacitance | 1 uF |
| Recommended total series resistance | 780 kOhm |
| Peak drain current | 1.026 mA |
| Discharge time constant | Below 1 second when designed per data sheet |
| Standby consumption | Below 5 mW at 230 VAC |
| Bias supply | Not required |
| Operating temperature | -10 C to +105 C |
| Package | SO-8 |
Replacement Considerations
CAP014DG-TL is a related product in the library. Confirm electrical behavior, package, pinout, ordering media and configuration before substitution.
Similarity of family name or package does not establish drop-in compatibility.
Manufacturer Information
The exact order code and package were checked against the manufacturer's product information.
Applications
Discharges the EMI X capacitor after unplugging while eliminating continuous bleed-resistor loss.
Helps adapters and appliances meet no-load and standby power requirements.
Quality & Authenticity
Match the complete ordering code, package marking and reel or lot label to authorized-channel records. Inspect moisture handling and solderability requirements before assembly.
FAQ
What is the main function?
Automatic discharge of EMI-filter X capacitors
What package is used?
8-SOIC (0.154", 3.90mm Width)
Can the related part be substituted directly?
No. Validate all electrical, mechanical and configuration differences first.
Is the package image ready?
Yes. The registered package JPG is present locally.
Engineering Notice
Use the latest manufacturer documentation for schematic, PCB, thermal and production approval. Distributor attributes are useful for sourcing but do not replace the official data sheet.
CAP004DG-TL Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Power Integrations
- Series:
- CAPZero™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Capacitor Discharge
- Applications:
- Converter, ACDC
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
- Grade:
- -
- Qualification:
- -
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