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Power Integrations CAP200DG-TL
- Part No.:
- CAP200DG-TL
- Manufacturer:
- Power Integrations
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC AUTOMATIC DISCHARGE 8SO
- Quantity:
Unit Price:$0.40
Ext Price:$0.40
- Payment:
- Shipping:
Product Details
CAP200DG-TL - CAPZero-2 Automatic X-Capacitor Discharge IC
CAP200DG-TL from Power Integrations is a two-terminal automatic X-capacitor discharge IC in an 8-SOIC package. It blocks current through the discharge resistors while AC is present and reconnects the discharge path after AC removal.
Technical values and ordering details were checked against the Power Integrations CAPZero-2 Rev. C data sheet and current product information.
Overview
CAP200DG-TL is intended for AC-DC converters that use X capacitors from 100 nF to 6 µF. Its internal 1000 V MOSFET structure opens the external discharge-resistor path during normal AC operation, reducing standby loss, and closes the path when AC is removed so the capacitor can discharge.
Key Advantages
The specified consumption is below 5 mW at 230 VAC for supported X-capacitor values.
No external bias supply or ground reference is required.
The device uses 1000 V internal MOSFETs for the discharge-path switching function.
Only the D1 and D2 terminal groups are electrically used in the application.
Feature Summary
One device covers total X-capacitance from 100 nF to 6 µF.
Blocks resistor current with AC applied and reconnects the discharge path after AC removal.
Allows larger X capacitors without the continuous loss of a permanently connected discharge network.
The family documentation lists NEMKO and CB certification; the end product still requires its own compliance review.
Package & Footprint
CAP200DG-TL uses the Power Integrations D package, a standard-width 8-lead SOIC. The -TL suffix denotes tape-and-reel supply.
- Preserve the package-width creepage path between D1 and D2.
- Follow the manufacturer recommendation for copper connection of pins 1-4 and pins 5-8.
- Place surge-protection components according to the verified system topology.
- Rate the external resistor network for normal and single-fault conditions.
The package record and JPG are present in the LCDChip package library.
Pin Functions
The data sheet uses grouped drain terminals to maximize separation across the SO-8 body.
Electrical connections are made to pins 2, 3, 6 and 7. Review the official layout guidance before routing mains-voltage copper.
Key Specifications
| Function | Automatic X-capacitor discharge-path control |
|---|---|
| Internal MOSFET breakdown rating | 1000 V |
| Supported total X-capacitance | 100 nF to 6 µF |
| Total series resistance range | 7.5 MΩ to 142 kΩ, application dependent |
| Consumption | <5 mW at 230 VAC for supported X-capacitor values |
| Operating temperature | -10°C to +110°C |
| Package | 8-SOIC, Power Integrations D package |
| Mounting | Surface mount |
| Ordering format | Tape and reel (-TL) |
Resistance selection and surge margin depend on the final circuit, MOV location, X-capacitance and required discharge time.
Replacement Considerations
CAP200DG is the same CAP200DG device offered without the -TL tape-and-reel ordering suffix. Electrical function and package are unchanged, but procurement quantity and shipping media differ. Confirm the exact supplier packaging before substitution.
Do not substitute an unrelated discharge controller solely on voltage rating. Verify X-capacitance range, external resistance, discharge timing, surge withstand, creepage and safety certification.
Manufacturer Information
Power Integrations develops high-voltage power-conversion and energy-efficiency components. CAP200DG is the available product in the CAPZero-2 family and is documented for automatic X-capacitor discharge applications.
Applications
Discharge control for input EMI-filter X capacitors.
Power adapters with strict no-load consumption targets.
Mains-powered equipment requiring safe capacitor discharge.
Loss-reduced generation of a zero-crossing signal where the reference design permits.
Quality & Authenticity
Match the complete ordering code, package and reel format to the purchase record. For mains-connected designs, retain manufacturer lot traceability and verify the latest data sheet, safety certificates and product-change notices during qualification.
FAQ
What does CAP200DG-TL do?
It disconnects the X-capacitor discharge-resistor path while AC is present and reconnects it after AC removal.
Does it require a bias supply?
No. CAP200DG is self supplied and uses a two-terminal application connection.
Can CAP200DG replace the external discharge resistors?
No. It controls the resistor path; the external resistor values still set the discharge behavior and must be selected for the circuit.
What is the difference between CAP200DG-TL and CAP200DG?
The -TL code specifies tape-and-reel ordering. Confirm supplier media and minimum order quantity.
Engineering Notice
CAP200DG-TL operates in a hazardous mains-voltage circuit. Validate discharge time, resistor dissipation, surge voltage, insulation spacing, component placement and applicable safety standards on the complete product. Use the latest Power Integrations documentation for design approval.
CAP200DG-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:
- Automatic Discharge
- Applications:
- Converter, ACDC
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
- Grade:
- -
- Qualification:
- -
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