SRF

SRF MERITEK | Alldatasheet

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Technical content

Rev . 7a Surface Mount Aluminum Electrolytic Capacitors MERITEK SRF Series RoHS

FEATURES

 High Ripple Current, Low E.S.R.  Load Life : 105°C 1000~2000 hours  For high density mounting SPECIFICATIONS Item Characteristic Operation T emperature Range -55 ~ +105°C Rated Working Voltage 6.3 ~ 50VDC Capacitance T olerance Leakage Current (20°C) I ≤0.01CV or 3 ( µA ) *Whichever is greater after 2 minutes I: Leakage Current ( µA) C: Rated Capacitance ( µF) V: Working Voltage (V) Surge Voltage (20°C) W.V. 6.3 10 16 25 35 50 S.V. 8 13 20 32 44 63 Dissipation Factor (tan δ) (120Hz 20°C) Add 0.02 per 1000µF for more than 1000 µF W.V. 6.3 10 16 25 35 50 tan δ Low T emperature Stability Impedance ratio at 120Hz Rated Voltage (V) 6.3 10 16 25 35 50 -25°C / +20°C 3 2 2 2 2 2 -55°C / +20°C 5 4 4 3 3 3 Load Life After hours (ΦD ≤ 6.3mm 1000 hours, ΦD ≥ 8mm 2000 hours) application of W.V. and +105°C ripple current value, the capacitor shall meet the following limits. (DC + ripple peak voltage ≤ rate working voltage) Capacitance Change ≤ ±25% of initial value Dissipation Factor ≤ 200% of initial specified value Leakage current ≤ initial specified value Shelf Life At +105°C, no voltage application after 1000 hours, the capacitor shall meet the limits for load life characteristics. (With voltage treatment) Resistance to Soldering Heat Capacitors placed on a 250°C hot plate for 30 seconds with their electrode terminals facing downward will fulfill the following conditions after being cooled to room temperature. Capacitance Change ≤ ±10% of initial value Dissipation Factor ≤ initial specified value Leakage current ≤ initial specified value PART NUMBERING SYSTEM SRF 50V 221 M J 102 Meritek Series Voltage Capacitance Capacitance expressed in microfarads (μF). First two digits are significant figures. Third digit denotes number of zeros. 'R' denotes decimal point for values less than 10 μF Tolerance M=±20% Case Diameter Code Case Height (mm) The third digit denotes the first decimal place For example, 102 = 10.2mm Case Diameter Code Φ D D Φ 4.0 E Φ 5.0 F Φ 6.3 H Φ 8.0 J Φ 10.0

Rev . 7a Surface Mount Aluminum Electrolytic Capacitors MERITEK SRF Series RoHS DIMENSIONS (mm) Φ D L A H I W P K +0.15 -0.20 +0.15 -0.20 +0.15 -0.20 +0.15 -0.20 CASE SIZE & MAX RIPPLE CURRENT Cap. (µF) V 6.3 10 16 25 35 50 1000 102 8x10.2 0.15 600 10x10.2 0.08 850 1500 152 10x10.2 0.08 850 Case size : D x L (mm) Max Impedance : Ω 20°C 100kHz Max ripple current : mA(rms) 105°C 100kHz

Rev . 7a Surface Mount Aluminum Electrolytic Capacitors MERITEK SRF Series RoHS TAPING D x L W ±0.3 A ±0.2 B ±0.2 ±0.1 ±0.1 ±0.1 F ±0.1 ØD0 ±0.1 ±0.1 E ±0.1 ±0.2 PACKAGE D x L A ±2.0 B MIN C ±0.5 D ±0.8 E ±0.5 W ±1.0 T ±1.0 t ±0.5 Ø4 Ø5 380 50 13 21 2.0 14.0 20.0 3.0

Rev . 7a Surface Mount Aluminum Electrolytic Capacitors MERITEK SRF Series RoHS PERMISSBLE REFLOW CONDITION AIR REFLOW AND IR REFLOW Preheat: Within 120sec., 190°C or less. Soldering Time: Within 50 sec., 230°C Peak T emperature: Less than 250°C, within 10 sec. Possible Reflow Cycle: 2 Cycles The final test values should be as following: (A) Capacitance change: ≦ ±10% of initial value (B) Dissipation factor: ≦ initial specified value (C) Leakage current: ≦ initial specified value (D) Visual: No damage