4pF 200V DC Specialty Capacitor
Part Number: ATR-4
4pF • 200V DC • 85°C • Specialty & Trimmer Capacitor
Capacitance
4pF
Voltage
200V DC
Tolerance
±±20%
Temp Rating
85°C
Mounting
various
Dielectric
variable
$4.75 each × 1
About the 4pF 200V DC Specialty Capacitor
Specialty & Trimmer capacitor. Capacitance: 4pF, Voltage: 200V DC. Part Number: ATR-4.
Applications for 4pF 200V DC Specialty & Trimmer Capacitors
Typical design scenarios where the ATR-4 (4pF / 200V DC) is specified:
Power Conversion
Snubber circuits, voltage multipliers, and power factor correction stages at 200V DC operating voltage
Industrial Controls
Relay suppression, arc quenching, and EMI filtering in industrial switchgear and control panels
PCB-Mount Circuits
Through-hole and mixed-technology assemblies in prototype, low-volume, and field-repairable designs
Medical & Commercial
Diagnostic equipment, HVAC controls, and commercial appliance electronics
Need a Replacement for ATR-4?
4pF · 200V DC · various
Our engineers can cross-reference this part to find a compatible replacement that meets or exceeds the original specifications — with full CoC and traceability documentation.
Technical Specifications
Complete specifications for ATR-4
Why Choose This Specialty & Trimmer Capacitor?
- 200V DC voltage rating with recommended 20% derating for maximum service life in power circuits
- Part of the ATR series — cross-reference available for equivalent parts from other manufacturers
- 100% electrically tested before shipment for guaranteed in-spec performance
- Ships same-day from US warehouse when ordered before 3 PM EST
Need Technical Assistance?
Our capacitor specialists can help with selection, cross-reference, and application questions.
Why Buy From Specap?
- Family-owned capacitor specialist since 1984
- Experts in hard-to-find & obsolete parts
- Same-day shipping on in-stock items
- 100% electrically tested before shipment
- Volume discounts with no minimum order
- Cross-reference assistance available
Looking for an Equivalent?
We can help cross-reference ATR-4 with alternative part numbers.
Cross-Reference ToolCapacitor Calculators
Free tools to help with your design
Frequently Asked Questions
Common questions about ATR-4 and specialty & trimmer capacitors
What applications use a 4pF 200V DC specialty & trimmer capacitor?
This 4pF 200V DC specialty & trimmer capacitor serves filtering, timing, and energy storage functions in circuits operating within its voltage and temperature ratings.
Can the ATR-4 handle high-temperature environments?
The ATR-4 is rated for 85°C, which covers standard commercial and light-industrial environments. For installations in enclosed cabinets or hot climates where ambient temperatures exceed 65°C, consider selecting a 105°C-rated alternative for additional thermal margin.
What is the recommended PCB footprint for the ATR-4?
The ATR-4 uses various mounting. Refer to the manufacturer datasheet for the recommended land pattern. For through-hole parts, ensure the drill diameter is 0.2–0.3mm larger than the lead diameter for reliable hand or wave soldering.
What capacitors can replace the ATR-4?
Cross-referencing the ATR-4 requires matching capacitance (4pF), voltage (200V DC), temperature rating (85°C), and physical dimensions. ESR and ripple current ratings must also meet or exceed the original spec for reliable operation. Contact our technical team at 800-731-1433 for verified cross-reference options — we maintain compatibility data across major manufacturers.
Should I derate the voltage when using the ATR-4?
Yes. Industry best practice is to operate capacitors at 60–80% of their rated voltage. For the ATR-4 rated at 200V DC, this means designing your circuit to keep the applied voltage below 160V under all conditions including transients. Voltage derating significantly extends capacitor life — each 10% reduction in applied voltage can roughly double the expected service life for electrolytic types.
What is the lead time for the ATR-4?
In-stock items ship same-day when ordered before 3 PM EST, with standard delivery of 2–5 business days within the continental US. If the ATR-4 shows as out of stock, our sourcing team can typically locate high-voltage specialty & trimmer capacitors within 1–2 weeks through our manufacturer and distributor network. Contact us for expedited options or large-quantity pricing.
Can't Find the Capacitor You Need?
We specialize in hard-to-find, obsolete, and specialty capacitors. Our experts can help locate any part.