4-65pF 0V AC Misc Specialty Capacitor
Part Number: BTR-4
4-65pF • 0V AC • 85°C • Specialty Capacitor
Capacitance
4-65pF
Voltage
0V AC
Tolerance
±±20%
Temp Rating
85°C
Mounting
radial
Dielectric
aluminum
$8.85 each × 1
About the 4-65pF 0V AC Misc Specialty Capacitor
Misc Specialty capacitor. 4-65pF, 0V AC. 85°C rated.
Applications for 4-65pF 0V AC Specialty Capacitors
Typical design scenarios where the BTR-4 (4-65pF / 0V AC) is specified:
General Electronics
Filtering and energy storage for circuits operating at 0V AC voltage levels
Industrial Equipment
Process control, PLC I/O modules, and automation system power conditioning
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 BTR-4?
4-65pF · 0V AC · radial
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 BTR-4
Why Choose This Specialty Capacitor?
- 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?
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- Experts in hard-to-find & obsolete parts
- Same-day shipping on in-stock items
- 100% electrically tested before shipment
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- Cross-reference assistance available
Looking for an Equivalent?
We can help cross-reference BTR-4 with alternative part numbers.
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Frequently Asked Questions
Common questions about BTR-4 and specialty capacitors
What applications use a 4-65pF 0V AC specialty capacitor?
This 4-65pF 0V AC specialty capacitor serves filtering, timing, and energy storage functions in circuits operating within its voltage and temperature ratings.
Can the BTR-4 handle high-temperature environments?
The BTR-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 BTR-4?
The BTR-4 uses radial 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 BTR-4?
Cross-referencing the BTR-4 requires matching capacitance (4-65pF), voltage (0V AC), 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 BTR-4?
Yes. Industry best practice is to operate capacitors at 60–80% of their rated voltage. For the BTR-4 rated at 0V AC, this means designing your circuit to keep the applied voltage below 0V 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 BTR-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 BTR-4 shows as out of stock, our sourcing team can typically locate specialty capacitors within 1–2 weeks through our manufacturer and distributor network. Contact us for expedited options or large-quantity pricing.
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