www.irf.com 1 emi filter / protection hybrid afm704a series description 40 watts throughout 40 db noise reduction@100 khz -55c to +125c operation full military screening all ceramic capacitor design output voltage regulate to 50 volts maximum inrush current limiting under voltage lockout features the afm704a is a combined emi filter and protection module intended to be used with ahe, ato, atr, atw, ahf, asa, and ahv dc/dc converters to allow full compliance with the surge requirements of mil-std- 704a.this device will reduce reflected ripple current to levels below the ceo3 limits and protect against voltage spikes required by cs06 testing as specified by mil-std-461. four levels of military screening are available, including fully compliant (per mil-prf- 38534) devices. standard military drawings (smds) available. 1 5 3 2 4 6 series protection snubber controller uv lockout ov clamp oscillator charge pump refer to last page for pin designation afm704a block diagram afm pd - 94598a
2 www.irf.com afm704a series specifications requirement mil-std-883 method no suffix es suffix hb suffix ch suffix temperature range -20 to +85c -55c to +125c -55c to +125c -55c to +125c element evaluation mil-prf-38534 internal visual 2017 yes yes yes temperature cycle 1010 cond b cond c cond c constant acceleration 2001 500g cond a cond a burn-in 1015 48hrs@ 85 c 48hrs@ 125c 160hrs @ 125c 160hrs @ 125c final electrical (group a) mil-prf-38534 & specification 25c 25c -55, +25, +125c -55, +25, +125c seal, fine & gross 1014 cond a cond a, c cond a, c cond a, c external visual 2009 yes yes yes available screening levels and process variations for afm704a series * per commercial standards tcase = -55c to +125c, vin = +28vdc unless otherwise specified * rs = source impedance parameter condition min typ max unit input voltage continuous no load 40 watt transient 100 ms, rs*= 0 ohms 60 ms, rs*= 0.5 ohms 20 s, rs*= 50 ohms 0 16 28 28 40 40 80 100 600 vdc vdc vdc vdc vdc undervoltage lockout 13 15 vdc input current no load inhibited 5.0 2.0 ma ma inhibit pin voltage open circuit 4.0 5.2 vdc inhibit pin current vin = 0 to 0.8v -300 a output power vin = 16 to 40v 40 watts power dissipation continuous peak 15 200 watts watts dc resistance vin = 16 to 40v tc = 25c 0.45 ohms output clamp voltage 40 50 vdc input surge limit 40w load, 80v 100v 100 80 ms ms input spike limit 40w load, 600v 50 ohm source 40w load, 400v 0.5 ohm source 20 20 s s noise reduction 100 khz 200 khz ? 50 mhz 40 50 60 db db capacitance pin to case 10,000 pf isolation pin to case 500vdc 100 m ? weight 75 grams
www.irf.com 3 afm704a series pin designation part numbering 2.550 (64.77) 1.110 (28.19) 0.040 d (1.02) x 0.26 l (6.60) pins 1.600 (40.64) 2.870 ( 72.90) max 2.110 (53.59) max 0.380 (9.65) max 0.050 (1.27) 1 2 0.800 (20.32) 4 5 3 6 2.12 0 ma x (53.85) 0.380 max (9.65) ? 0.162 (4.12) 2 holes afm704a case outlines flanged non-flanged pin no. designation 1 positive input 2 positive output 3 case 4 output return 5 input return 6 inhibit input available standard miliatary drawing (smd) cross reference standard military drawing pin vendor cage code vendor similar pin 95010-01HXA 52467 afm704an/ch 95010-01hza 52467 afm704a/ch ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 ir santa clara : 2270 martin av., santa clara, california 95050, tel: (408) 727-0500 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . data and specifications subject to change without notice. 03/2006 afm 704a n /ch m odel applicable military test standard case style blank = flanged n = non-flanged screening blank, es, hb, c h
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