WIMA MKS 02 Metallized Polyester (PET) Capacitors

The WIMA MKS 02 series offers metallized polyester (PET) capacitors with a PCM of 2.5 mm, designed for general DC applications including by-pass, blocking, coupling, and decoupling. These capacitors feature a high volume/capacitance ratio, reduced base, self-healing properties, and are RoHS compliant. They are constructed with a PET dielectric, vacuum-deposited electrodes, and a solvent-resistant, flame-retardant plastic case with an epoxy resin seal.

Product Attributes

• Brand: WIMA
• Series: MKS 02
• Dielectric Material: Polyethylene-terephthalate (PET) film
• Construction: Plastic film, vacuum-deposited electrode, metal contact layer (schoopage), tinned wire terminations
• Encapsulation: Solvent-resistant, flame-retardant plastic case with epoxy resin seal (UL 94 V-0)
• Color: Red (case), Silver (marking)
• Certifications: RoHS 2011/65/EU, ISO 9001:2008, DIN EN ISO 14001:2004
• Packing: Available taped and reeled

Technical Specifications

*AC voltage: f = 50 Hz; 1.4 x U_rms + U_DC ≤ U_r

**PCM = Printed circuit module = pin spacing. Dims. in mm.

Part Number Completion: Tolerance: 20 % = M, 10 % = K, 5 % = J. Packing: bulk = S. Pin length: 6-2 = SD.

Dissipation Factors at +20C:

• tan δ at f C ≤ 0.1 mF: 1 kHz ≤ 8 x 10^-3; 10 kHz ≤ 15 x 10^-3; 100 kHz ≤ 30 x 10^-3
• tan δ at 0.1 mF ≤ C ≤ 1.0 mF: 1 kHz ≤ 8 x 10^-3; 10 kHz ≤ 15 x 10^-3

Voltage Derating: 1.25 % per K from +85C for DC voltages and from +75C for AC voltages.

Reliability: Operational life ≥ 300,000 hours. Failure rate ≤ 2 fit (0.5 x U_r and 40C).

Capacitance Range: 3300 pF to 1.0 mF (E12-values on request).

Capacitance Tolerances: ± 20%, ± 10% (±5% available subject to special enquiry).

Operating Temperature Range: –55C to +100C.

Test Specifications: In accordance with IEC 60384-2.

Climatic Test Category: 55/100/21 in accordance with IEC.

Insulation Resistance at +20C:

• C ≤ 0.33 µF: U_r = 50 V, U_test = 63 VDC; ≥ 3.75 x 10³ MΩ (mean value: 1 x 10⁴ MΩ)
• 0.33 µF < C ≤ 1.0 mF: U_r = 100 V, U_test = 100 VDC; ≥ 1 x 10⁴ MΩ (mean value: 2 x 10⁴ MΩ)
• (MΩ x mF) (mean value: 1250 sec (MΩ x mF) (mean value: 3000 sec))

Measuring Time: 1 min.

Test Voltage: 1.6 U_r, 2 sec.

Maximum Pulse Rise Time:

for pulses equal to the rated voltage.