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Aluminum Electrolytic Capacitor/HFQ
Radial lead type
Discontinued
Type :
Series: HFQ A
n Features Endurance :105 C 1000 to 2000h
Low impedance (1/3 to 1/4 of Series HFE)
n Specification
Operating Temp. Range -55 to + 105 C
6.3 to 63 V .DC
Rated W.V. Range
Nominal Cap. Range 6.8 to 15000 μ F
±20 % (120Hz/+20 C)
Capacitance
DC leakage current I < 0.01 CV or 3 (μ A) after 3 minutes
W.V. 6.3 10 16 25 35 50 63
Dissipation Factor tan d 0.22 0.19
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Aluminum Electrolytic Capacitor/HFQ Discontinued n Case size / Impedance / Ripple current W.V.(V.DC) 6.3 (0J) 10 (1A) Ripple current Ripple current Impedance (100kHz) Impedance (100kHz) Case size Capacitance Capacitance (100kHz) (100kHz) (W) (W ) (+105 C) (+105 C) (μF) (μF) (f D· L) -10 C +20 C (mA) -10 C +20 C (mA) 4 · 11 68 2.000 1.000 120 47 2.000 1.000 120 · 11 100 1.300 0.650 175 82 1.300 0.650 175 5 · 15 150 0.920
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Aluminum Electrolytic Capacitor/HFQ Discontinued n Case size / Impedance / Ripple current W.V.(V.DC) 35 (1V) 50 (1H) Ripple current Ripple current Impedance (100kHz) Impedance (100kHz) Capacitance Capacitance Case size (100kHz) (100kHz) (W ) (W ) (+105 C) (+105 C) (μF)•@ (μF) (f D· L) -10 C +20 C (mA) (mA) -10 C +20 C 4 2.000 1.000 5.000 · 11 18 120 10 2.500 90 1.300 0.650 2.600 5 · 11 27 175 18 1.300 155 1.800 5 · 15 39 0.9
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Aluminum Electrolytic Capacitor Application Guidelines 1.2 Operating Temperature and Life Expectancy (1) Expected life is affected by operating temperature. Generally, each 10 C reduction in temperature 1. Circuit Design will double the expected life. Use capacitors at Ensure that operational and mounting conditions the lowest possible temperature below the follw the specified conditions detailed in the catalog maximum guaranteed temperature. and specification
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Aluminum Electrolytic Capacitor n Typical failure modes and their factors Faliure mode Faliure mechanism (internal phenomenon) Production factor Application factor Overvoltage applied Increase in inter- Increase in Vent operates • • nal temperature internal pressure • Excessive ripple current Capacitance Reduced anode foil reduction capacitance Reverse voltage applied • • • • • • Reduced cathode tan d increase foil capacitance Severe charging-discharging • AC volta
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Aluminum Electrolytic Capacitor 1.3 Common Application Conditions to Avoid The vinyl sleeve of the capacitor can be damaged The following misapplication load conditions will if solder passes through a lead hole for cause rapid deterioration to capacitor electrical subsequently processed parts. Special care when parameters. ln addition, rapid heating and gas locating hole positions in proximity to capacitors is generation within the capacitor can occur causing recommen
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Aluminum Electrolytic Capacitor (5)Clearance for Case Mounted Pressure 2.Capacitor Handling Techniques Relief Vents 2.1Considerations Before Using Capacitors with case mounted pressure relief vents (1) Capacitors have a finite life. Do not reuse or require sufficient clearance to allow for proper vent recycle capacitors from used equipment. operation. The minimum clearances are dependent (2) Transient recovery voltage may be generated in on capacitor diameters as follows. the
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Aluminum Electrolytic Capacitor 2.4 Flow Soldering 2.6Other Soldering Considerations (1) Don not immerse the capacitor body into the Rapid temperature rises during the preheat solder bath as excessive internal pressure could operation and resin bonding operation can cause result. (2) Observe proper soldering conditions (temperature, cracking of the capacitor vinyl sleeve. For heat time, etc.). Do not exceed the specified limits. curing, do not exceed 150 C for a maximum time of (3) Do not allow
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Aluminum Electrolytic Capacitor (3) A thorough drying after cleaning is required to 3.2Electrical Precautions remove residual cleaning solvents which may be trapped between the capacitor and the circuit (1) Avoid touching the terminals of the capacitor as board. Avoid drying temperatures which exceed possible electric shock could result. The exposed the maximum rated temperature of the capacitor. aluminium case is not insulated and could also (4) Monitor the contamination levels of the cleaning
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Aluminum Electrolytic Capacitor 6.Capacitor Disposal When disposing of capacitors, use one of the following methods. l Incinerate after crushing the capacitor or puncturing the can wall (to prevent explosion due to internal pressure rise). Capacitors should be incinerated at high temperatures to prevent the release of toxic gases such as chlorine from the polyvinyl chloride sleeve, etc. l Dispose of as solid waste. l Local laws may have specific disposal requirements which must be follo
