SMD Chip Attenuator Custom solutions are available. HOW TO ORDER AAC AT series high performance 0402, 0805, AT 1206, and 1612 size thin film fixed chip attenuators exhibit excellent high frequency characteristics. The surface mount package is ideal for low noise, inductance and parasitic capacitance applications. The thin film metallization also offers very stable characteristics over temperature and time. 05 C -01dB 0.3 M LF Terminal Type LF = Lead Free Packaging M = Standard Reel Qty O = 1,000/Reel B = bulk (100 pieces) Attenuation Tolerance per the specification APPLICATION Attenuation Value EIA standard value Impedance C = 50Ω D = 75Ω (for 1612 size) Package Size 05 = 0402 18 = 1206 10 = 0805 28 = 1612 16 = 0603 Gain adjustment and impedance matching in high frequency circuits. Because control circuits need signals with identical levels, and a receiver receives signals with different signal levels, signal levels could be adjusted by combining a SMT attenuator and amplifier. At the same time, termination can be obtained using these low reflection attenuators. Style Fixed Chip Attenuator FEATURES • Minimized parasite capacitance and inductance • Excellent temperature and noise characteristics due to thin film resistance elements • Frequency ranges: DC – 10GHz • Metalized resistors and electrodes are formed on ceramic substrate covered with polyamide resin. SPECIFICATION Attenuation Tolerance Attenuation 0-3dB: 4-7dB: 8-10dB: 0-3dB: 4-7dB: 8-10dB: 0402 0-10dB 0603 0-10dB 0805 0-10dB 1206 0-10dB, 16dB 1612 0-10dB, 16dB, 20dB 0-10dB: 0-10dB: 16dB: ±0.3dB ±0.5dB ±0.7dB ±0.3dB ±0.5dB ±1.0dB ±0.3dB ±0.3dB ±0.5db See below Imp VSWR 50Ω ≤1.3 50Ω ~6dB ≤ 1.3 6-10dB ≤ 1.5 50Ω ≤1.3 50Ω ≤1.3 50Ω, 75Ω 50Ω ≤ 1.2 75Ω ≤ 1.3 Frequency Range 0-10dB: 15dB: 20, 25dB: 0-10dB: 0-10dB: 16dB: 0-10dB: 16, 20dB: Rated Input Power DC-10GHz DC-5GHz DC-3GHz 32mW DC-10GHz 63mW DC-10GHz 100mW DC-3GHz 125mW DC-10GHz DC-10GHz 250mW Temperature Range -55°C ~ 125°C Refer to Derating Curve Size -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C Rated Ambient Temperature is 70°C ATTENUATION TOLERANCE (1612 Size Only) Attenuation Rank DC-2GHz 2-5GHz 5-10GHz 0dB A +0.1dB/-0dB +0.2dB/-0dB +0.4dB/-0dB 1-10dB 16dB, 20dB A ±0.1dB ±0.2dB ±0.4dB B ±0.2dB ±0.3dB ±0.5dB B ±0.2dB ±0.3dB ±0.5dB DERATING CURVE VSWR (1612 Size Only) 1.1: 1.2: 1.3: DC - 2GHz 2 - 5GHz 5 - 10GHz 188 Technology Drive, Unit H Irvine, CA 92618 Tel: 949-453-9888 Fax: 9494538889 Email: [email protected] American Accurate Components, Inc. 1 SMD Chip Attenuator DIMENSIONS (mm) Size 0402 0603 0805 1206 1612 W 0.50 ± 0.05 0.81 ± 0.10 1.24 ± 0.10 1.60 ± 0.20 3.00 ± 0.20 L 1.00 ± 0.05 1.60 ± 0.10 2.00 ± 0.10 3.20 ± 0.20 4.20 ± 0.20 T 0.33 ± 0.05 0.41 ± 0.10 0.41 ± 0.10 0.41 ± 0.10 0.81 ± 0.15 A1 0.13 ± 0.05 0.20 ± 0.10 0.36 ± 0.20 0.41 ± 0.20 0.81 ± 0.20 A2 0.28 ± 0.05 0.41 ± 0.15 0.61 ± 0.20 1.00 ± 0.20 0.51 ± 0.20 A3 1.27 ± 0.20 ***Note: All dimensions are in inches CIRCUIT 0402 Applicable to all Sizes LEGEND 0805 Input and Output Terminals Input and Output Terminals Ground Terminals 1206 Resistor: Nichrome Thin Film Protective Coat: Polymide Resin Terminals: Solder Plating Substrate: Alumina Ceramics Marking: White Ink 1612 188 Technology Drive, Unit H Irvine, CA 92618 Tel: 949-453-9888 Fax: 9494538889 Email: [email protected] American Accurate Components, Inc. 2 SMD Chip Attenuator CHARACTERISTICS Specification Item Short Time Overload Load Life Moisture Load Life Temperature Cycle Resistance to Soldering Heat Substrate Bending Condition Voltage of 2.5 times the rated voltage shall be applied for 5 seconds. The attenuator shall be subjected to rated voltage for 90 minutes followed by a pause of 30 minutes at a temperature of 70±3°C. This constitutes 1 cycle. The cycles shall be repeated for 1,000 hours. The attenuator shall be subjected to rated voltage for 90 minutes followed by a pause of 30 minutes at a temperature of 60±2°C with relative humidity of 90% to 95%. This constitutes 1 cycle. The cycles shall be repeated for 1,000 hours. [-55°C 30 minutes-R.T. 3 minutes-+125°C 30 minutes-R.T. 3 minutes] The attenuator shall be subjected to 5 continuous cycles. The attenuator shall be immersed into the solder of 260±5°C for 10±1 seconds. Distance between the fulcrums: 90mm Bending width: 3mm Substrate: Glass-Epoxy t=1.6mm Size Attenuation Impedance 0~10dB 16, 20dB 0402 ±0.03dB ±0.03dB ±0.5% 0603 ±0.03dB ±0.03dB ±0.5% 0805 ±0.02dB ±0.02dB ±0.2% 1206 ±0.02dB ±0.02dB ±0.2% 1612 ±0.01dB ±0.02dB ±0.2% 0402 ±0.05dB ±0.05dB ±1.0% 0805 ±0.04dB ±0.04dB ±0.5% 1206 ±0.04dB ±0.04dB ±0.5% 1612 ±0.02dB ±0.04dB ±0.5% 0402 ±0.05dB ±0.05dB ±1.0% 0805 ±0.04dB ±0.04dB ±0.5% 1206 ±0.04dB ±0.04dB ±0.5% 1612 ±0.02dB ±0.04dB ±0.5% 0402 ±0.03dB ±0.03dB ±0.5% 0805 ±0.02dB ±0.02dB ±0.2% 1206 ±0.02dB ±0.02dB ±0.2% 1612 ±0.01dB ±0.02dB ±0.2% 0402 ±0.03dB ±0.03dB ±0.5% 0805 ±0.02dB ±0.02dB ±0.2% 1206 ±0.02dB ±0.02dB ±0.2% 1612 ±0.01dB ±0.02dB ±0.2% 0402 ±0.03dB ±0.03dB ±0.5% 0805 ±0.02dB ±0.02dB ±0.2% 1206 ±0.02dB ±0.02dB ±0.2% 1612 ±0.01dB ±0.02dB ±0.2% 0402 Solderability The attenuator shall be dipped into the solder of 235±5°C for 3±0.5 seconds. A new uniform coating of solder shall cover 95% or more of surface being immersed. 0805 1206 A new uniform coating of solder shall cover 95% or ore of surface being immersed 1612 0402 Insulation Resistance DC 500V for 1 minute 0805 1000M Ω or over 1206 1612 Temperature Characteristic R.T. – R.T. +100°C – R.T. 0402 ±0.02dB ±0.02dB ±50ppm/°C 0805 ±0.005dB ±0.005dB ±50ppm/°C 1206 ±0.005dB ±0.005dB ±50ppm/°C 1612 ±0.005dB ±0.01dB ±50ppm/°C Note: Impedance value and attenuation value shall be checked by DC measurement. 188 Technology Drive, Unit H Irvine, CA 92618 Tel: 949-453-9888 Fax: 9494538889 Email: [email protected] American Accurate Components, Inc. 3 SMD Chip Attenuator TAPE SIZE (mm) – Table 1 Size 0402 0805 1206 1612 A 0.65 ± 0.03 1.60 ± 0.20 1.85 ± 0.10 B 1.15 ± 0.03 2.40 ± 0.20 3.60 ± 0.10 4.60 ± 0.10 W 8.0 ± 0.20 8.0 ± 0.30 8.0 ± 0.20 12.0 ± 0.10 F 3.5 ± 0.05 3.5 ± 0.05 3.5 ± 0.05 5.5 ± 0.10 E 1.75 ± 0.10 1.75 ± 0.10 1.75 ± 0.10 1.75 ± 0.10 P1 2.0 ± 0.05 4.0 ± 0.10 4.0 ± 0.10 8.0 ± 0.10 TABLE 1 REEL DRAWING TAPE MATERIALS REEL DIMENSIONS (mm) A heat press sticks the transparent or half-transparent plastic covered tape. Tape Width INSERTING DIRECTION Attenuators are packed with their cathodes on perforation side and with their electrodes faced with the bottoms of the pockets. ± 0.2 8.0 12.0± 0.1 A±2 ∅178 ∅178 B±5 ∅60 ∅60 C±1 ∅13.5 ∅13.5 D±0.5 ∅21 ∅21 t 0.5 ± 0.10 1.5 Max 1.0 ± 0.10 0.8 ± 0.10 E±1 2.5 2.5 W+2 8.4 14.0 A tape reel diameter of 330mm is also applicable. PACKAGE QUANTITY Case Size 0402 0805 1206 1612 Standard Package Unit (pcs) Type Quantity Plastic Tape 10,000 Plastic Tape 5,000 Plastic Tape 5,000 Plastic Tape 2,000 PACKAGE DESCRIPTION ADHESION STRENGTH OF COVER AT PEELING When the cover tape is peeled off in such a manner as indicated in the illustration below, adhesion strength F must be within the range of 0.2994 ± 0.196N. The standard number of attenuators to be accommodated by one reel is as indicated in Table 1. One side surface of a reel is marked with the following items of information. 1. 2. 3. 4. 5. 6. 7. Name of Attenuator or product identification Rated voltage Attenuation value Attenuation tolerance value Quantity Lot number for production month/year Manufacturer’s name or symbol PACKING & STORAGE The attenuators are packed in such a manner that they will not possibly be damaged during transit or storage. As far as they are stored at normal temperature with normal humidity (5 to 35°C, below75% RH), they are warranted for a period of two years from the date of manufacture. The content of this specification may change without notification 04/3/2014 188 Technology Drive, Unit H Irvine, CA 92618 Tel: 949-453-9888 Fax: 9494538889 Email: [email protected] American Accurate Components, Inc. 4