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ASF461 Dataheets PDF



Part Number ASF461
Manufacturers International Rectifier
Logo International Rectifier
Description ADVANCED ANALOG EMI FILTER
Datasheet ASF461 DatasheetASF461 Datasheet (PDF)

www.DataSheet4U.com PD - 94589 ASF461 SERIES ADVANCED ANALOG EMI FILTER Description The ASF461 EMI filter will reduce the input line reflected ripple current of the ASA line of DC/DC converters to levels below the CEO3 limits of MIL-STD-461. These EMI filters are available with military screening and built in a facility fully qualified to MIL-PRF-38534. Four grades are offered with different screening options. Refer to Part Number section. The ASF461 Filter is built using thick film hybrid tec.

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www.DataSheet4U.com PD - 94589 ASF461 SERIES ADVANCED ANALOG EMI FILTER Description The ASF461 EMI filter will reduce the input line reflected ripple current of the ASA line of DC/DC converters to levels below the CEO3 limits of MIL-STD-461. These EMI filters are available with military screening and built in a facility fully qualified to MIL-PRF-38534. Four grades are offered with different screening options. Refer to Part Number section. The ASF461 Filter is built using thick film hybrid technology and seam welded in a hermetic kovar package for high reliability. These units offer superior noise reduction and power dissipation when compared with similar competitive filters. No derating is required over the entire operating temperature range. ASF Features n n n n n Uses less than 1.2 sq. in. of Board Space -55°C to +125°C Operation Greater than 50db Ripple Current Reduction Optimal Military Screening No Derating for -55°C to +125°C Operation Typical Application +Vin System Bus ASF461 EMI Case Filter Output Return +Vout +Vin +Vout ASA28XX Case DC/DC Input Return Output Return RL Input Return www.irf.com 1 11/21/02 ASF461 Series Specifications Parameter Input Voltage Input Current Output Voltage Output Current DC Resistance (RDC) Power Dissipation Noise Rejection Capacitance Isolation Operating Temp Storage Temp Weight Condition Steady State Steady State Steady State Steady State Steady State Max. Current 420 mA 100 KHz 500 KHz to 10 MHz Any pin to case Any pin to case 500VDC Base plate Base plate 100 -55 -65 +25 +25 +125 +150 39 -40 -60 4200 1.7 2.0 VOUT = VIN (IIN x RDC) 420 2.3 1.6 Min 0 Typ 28 Max 50 420 Unit VDC mADC VDC mADC ohms watts db pf MΩ °C °C grams Available Screening Levels and Process Variations for ASF461 Series MIL-STD-883 Method No Suffix -20°C to +85°C ES Suffix -55°C to +125°C HB Suffix -55°C to +125°C CH Suffix -55°C to +125°C MIL-PRF-38534 2017 1010 2001 48hrs @ 85°C 25°C ¬ Yes Cond B 500g Yes Cond C Cond A Yes Cond C Cond A Requirement Temperature Range Element Evaluation Internal Visual Temperature Cycle Constant Acceleration Burn-in Final Electrical (Group A) Seal, Fine & Gross External Visual 1015 MIL-PRF-38534 Specification 1014 2009 48hrs @ 125°C 25°C 160hrs @ 125°C -55, +25, +125°C 160hrs @ 125°C -55, +25, +125°C Cond C ¬ Cond A, C Yes Cond A, C Yes Cond A, C Yes * Per Commercial Standards 2 www.irf.com ASF461 Series ASF461 Block Diagram 3 4 5 6 7 1 2 8 9 Refer to last page for Pin Designation www.irf.com 3 ASF461 Series ASF461 Case Outline 1.0 75 0.8 00 0.6 00 0.3 50 1 2 3 4 1.0 75 0.8 00 9 8 7 6 5 0.0 18 ± .0 02 D ia P ins 0.2 20 Pin Designation Pin No. 1 2 3 4 5 6 7 8 9 Designation Input Return * Input Return * Input * Input * Output * Output * Case Output Return * Output Return * Part Numbering ASF 461 / CH M od el A pp licab le M ilitary S pe cifica tion S cree ning — , ES , H B , C H * Make external connection to both Pins WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 ADVANCED ANALOG: 2270 Martin Av., Santa Clara, California 95050, Tel: (408) 727-0500 Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 11/02 4 www.irf.com .


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