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| High Frequency Surface Mount Attenuators RFAXX Series * Low return loss * RoHS compliant * High power chip attenuators * Long life, temperature stable thin film on ceramic technology The RFAXX series of 50 high frequency attenuators are available in a variety of sizes and termination styles to suit applications for mounting on heat sinks or normal PC board materials. High thermal conductivity aluminum nitride substrates provide the low resistance thermal path for high power dissipation applications. Frequency performance up to 4GHz assures proper operation in RF and microwave power amplifiers, RF transmitters and receivers and RF power sources. Electrical Data RFA53SDLF Frequency Range Power Rating @ 70C 0.2 dB Attenuation 0.3 dB 0.4 dB Impedance Absolute TCR RFA84SDLF Frequency Range Power Rating @ 70C 0.2 dB Attenuation 0.3 dB 0.4 dB Impedance Absolute TCR General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC's own data and is considered accurate at time of going to print. RFA54DDLF DC to 4GHz 0.25W RFA55SDLF DC to 4GHz 0.25W RFA55DDLF DC to 4GHz 0.25W DC to 4GHz 0.25W 1, 2, 3, 4, 5, 6dB 7, 8, 9, 10dB 20, 30, 40dB 50 2% 50ppm/C RFA84DDLF DC to 1GHz 0.50W 1, 2, 3, 4, 5, 6dB 7, 8, 9, 10dB 20, 30, 40dB 50 2% 50ppm/C RFA37DDLF DC to 1GHz 1.0W DC to 1GHz 0.50W (c) IRC Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com A subsidiary of TT electronics plc RFAXX Series Issue February 2009 Sheet 1 of 4 High Frequency Surface Mount Attenuators Frequency Performance Data RFA55DDLF20dB Impedance CH1 S 11 hp RFA55DDLF40dB Impedance CH1 S 11 hp 1 U FS 1: 50.178 W 6 Jul 2004 13:57:17 1.4336 W 228.16 pH 1 000. 000 000 MHz 2: 50.141 W 2.8203 W 2 GHz 3: 50.213 W 3.8828 W 3 GHz 1 U FS 1: 50.076 W 6 Jul 2004 10:02:26 1.4336 W 95.473 pF 1 000. 599 997 MHz 2: 50.617 W -3.2188 W 2 GHz 3: 51.748 W -4.8027 W 3 GHz PRm Cor PRm Cor 1 4: 50.305 W 4.791 W 4 GHz 5: 50.563 W 5.2852 W 5 GHz 1 4: 59.217 W -6.1836 W 4 GHz 5: 55.033 W -7.25 W 5 GHz 2 34 5 START .030 000 MHz STOP 6 000. 000 000 MHz START .030 000 MHz STOP 6 000. 000 000 MHz RFA55DDLF20dB Attenuation CH1 S 21 hp RFA55DDLF40dB Attenuation 6 Jul 2004 13: 58: 11 1: -19.935 dB 1 000. 000 000 MHz 2: 3: 4: -19.771 dB 2 GHz -19.496 dB 3 GHz -19.08 dB 4 GHz -18.997 dB 5 GHz PRm Cor 3: 4: 5: CH1 S 21 hp log MAG 10 dB/ REF 0 dB log MAG 10 dB/ REF 0 dB 6 Jul 2004 10: 01: 51 1: -39.782 dB 1 000. 599 997 MHz 2: -39.753 dB 2 GHz -40.632 dB 3 GHz -39.283 dB 4 GHz -34.725 dB 5 GHz PRm Cor 5: 1 2 3 4 5 5 1 2 3 4 START .030 000 MHz STOP 6 000. 000 000 MHz START .030 000 MHz STOP 6 000. 000 000 MHz RFA55DDLF20dB VSWR CH1 S 11 hp RFA55DDLF40dB VSWR 6 Jul 2004 13: 57: 44 1: 1.0293 1 000. 000 000 MHz 2: 1.0569 2 GHz PRm Cor CH1 S 11 hp SWR 1 / REF 1 SWR 1 / REF 1 6 Jul 2004 10: 02: 14 1: 1.0339 1 000. 599 997 MHz 2: 1.0677 2 GHz 3: 1.1061 3 GHz 4: 1.1443 4 GHz 1.1831 5 GHz PRm Cor 3: 1.0803 3 GHz 4: 5: 1.1001 4 GHz 1.1127 5 GHz 5: 1 2 3 4 5 1 2 .030 000 MHz 3 4 5 START .030 000 MHz STOP 6 000. 000 000 MHz START STOP 6 000. 000 000 MHz (c) IRC Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com RFAXX Series Issue February 2009 Sheet 2 of 4 High Frequency Surface Mount Attenuators Physical Data RFA53SDLF A D E B D E RFA55SDLF A B D E RFA84SDLF A B C C C RFA54DDLF A E D E B D E RFA55DDLF A B D E RFA84DDLF A B D E E RFA37DDLF E E B A C C C C Dimensions (mm) Model RFA53SDLF RFA54DDLF RFA55SDLF RFA55DDLF RFA84SDLF RFA84DDLF RFA37DDLF A B C D 1.20 1.20 1.20 1.20 1.40 1.40 2.00 E 5.00 5.00 5.00 5.00 8.00 8.00 13.00 2.70 3.80 4.50 4.50 5.25 5.25 7.00 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.80 0.80 1.00 1.00 1.10 1.10 1.40 (c) IRC Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com RFAXX Series Issue February 2009 Sheet 3 of 4 High Frequency Surface Mount Attenuators Environmental Data Test Condition Load Life Moisture Load Life Solder Heat Resistance Solderability 1000 Hours, 70C 1000 Hours, 40C 95% RH 350C, 3 sec. Maximum 100 Power Derating Curve 1.0% 1.0% 1.0% >95% coverage 0 % Of Rated Power 60 25 70 155 Ambient Temperature (C) Ordering Data Prefix Model HFR - RFA53SDLF - 10dB G Z00 RFA53SDLF; RFA54DDLF; RFA55SDLF; RFA55DDLF RFA84SDLF; RFA84DDLF; RFA37DDLF Attenuation 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40dB Impedance Tolerance G = 2% Packaging Z00 = 100 pcs/bulk package (c) IRC Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com RFAXX Series Issue February 2009 Sheet 4 of 4 |
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