Product Overview

The DAFU Y1 Safety Ceramic Disc Capacitor is designed for electronic equipment interference suppression, bridging, grounding protection, and bypassing applications. Manufactured by DONGGUAN CITY DAFU ELECTRONICS CO., LTD, these capacitors offer reliable performance and are compliant with various international safety standards. They are available in different series and specifications to meet diverse industrial needs.

Product Attributes

• Brand: DAFU ()
• Origin: Dongguan, Guangdong, China
• Material Series: Y5U
• Encapsulation Material: Light Blue Epoxy Powder (H) or Dark Blue Epoxy Powder (S)
• Certifications: UL, CQC, VDE, KTL (Refer to specification table for detailed certification numbers and standards)
• Environmental Compliance: RoHS Directive

Technical Specifications

Product Code Explanation:

Example: H102M060EG55250L100

• (1) Encapsulation Material: H (Light Blue Epoxy Powder), S (Dark Blue Epoxy Powder)
• (2) Nominal Capacitance (Unit: PF): Hundreds and tens digits are significant figures. The units digit indicates the number of zeros (0-5) or a multiplier (9 for 0.1x). E.g., 102 = 1000 PF.
• (3) Capacitance Tolerance: K (10%), M (20%)
• (4) Silver Disc Diameter (Unit: mm): E.g., 060 (8.0mm), 087 (11.0mm)
• (5) Capacitor Temperature Characteristic: C (COH), U (U2H), S (SL), T (T2H), R (Y5R), B (Y5P), E (Y5U), F (Y5V)
• (6) Rated Voltage: Q (X1/Y2, Y2 250/275/300V), G (X1/Y1, Y1 250/275/300/400/440V)
• (7) Lead Diameter (Unit: mm): E.g., 55 (0.550.05mm)
• (8) Lead Length (Unit: mm): E.g., 250 (25.0mm)
• (9) Lead Style: L (Straight), J (Single Inner Bend), K (Single Outer Bend), P (Front/Back Bend), H (Frog), W (Double Outer Bend)
• (10) Lead Spacing (mm): E.g., 10 (10.00.5mm)
• (11) Environmental Code: 0 (Voltage Positive Standard Environmental), 1 (Voltage Non-Standard Environmental)
• (12) Internal Management Code: Cold (Cold Plated Wire), (Taped), Copper (Copper Wire)

Safety Certifications and Standards:

Performance Test Summary:

• Operating Temperature Range: -25 to +125 (depending on temperature characteristic)
• Storage Temperature Range: -10 to +40
• Capacitance & Tolerance: Tested at 20, 1kHz, 1Vrms.
• Dissipation Factor (DF): Max 2.5% (Y5P, Y5U, Y5V)
• Insulation Resistance (IR): Min 10000 M (at 500VDC)
• Dielectric Strength (AC Voltage Proof): 2500Vrms (X1/Y2), 4000Vrms (X1/Y1) between leads. 2600Vrms (X1/Y2), 4000Vrms (X1/Y1) between leads and case.
• Temperature Characteristics: Y5P (10%), Y5U (+20% to -55%), Y5V (+20% to -80%)
• Lead Tensile Strength: 10N axial pull for 101 sec.
• Lead Bending Test: 90 bend and return.
• Solderability: 95% coverage after immersion in 2355 solder for 2.50.5 sec.
• Resistance to Soldering Heat: No visible damage after immersion in 2605 solder.
• Resistance to Solvents: No visible damage after immersion in Isopropanol for 305 sec.
• Damp Heat Test: 500+24 hours at 402, 90-95% RH.
• Endurance Test: 1000 hours at 853 / 402 with specified voltage and pulse.
• Charge/Discharge Test (I): Followed by 10x rated voltage withstand test.
• Charge/Discharge Test (II): Wrapped with gauze, 5KV discharge, followed by 240Vrms for 30s. Gauze does not scorch or ignite.
• Flammability Test: Samples subjected to flame contact.

RoHS Compliance: