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| Model M2001H Vishay Sfernice Adjustable Carbon Attenuators FEATURES * Model M2001H is for matching the characteristic impedance of coaxial antenna cables and is suitable for antenna amplifiers of up to 900MHz. MECHANICAL SPECIFICATIONS Casing: Plastic material, dust protected. Shielded Basket/Pins: Electroplated SN, 5. Mounting: Fish-plates. Adjustment: Insulated plastic shaft with screwdriver slot and .079 inch [2mm] hexagon. Terminals: Silver plated lugs, tinned pins. Nominal angle of rotation: 3 (+ 3.0 - 0.5) revolutions. 6 revolutions on request. Operating torque: .56 to 1.96 oz. in. End stop torque: 4.97 oz. in. (7 Ncm). Fixed stop at 3 revolutions. 6 revolutions, clutch mechanism, no end stop. Weight: .13 to .14 oz. STANDARD ELECTRICAL SPECIFICATIONS Resistive Element Wiper Contact Impedance Power Rating Nominal Attenuation and Tolerance Adjustable Minimum Attenuation Variation in Attenuation Due to Frequency up to 300MHz over 300 to 900MHZ Reflexion Attenuation up to 300MHz up to 900MHz Temperature Limits Carbon on laminated paper Metal 75 ohms, 50 ohms (60 ohms on request) .25 watt 20dB (+ 5 - 2dB), 10dB (+ 2 - 2dB), 6dB on request 0.5dB MATERIAL SPECIFICATIONS Cover: Makrolon 94V2. Shaft: Durethan 94V0. Case: Hostaform 94HB. 0.25dB 1dB .5 to 20dB attenuation 20dB 15dB - 25C to + 70C NOTE: Typical curves for transmission and return loss available. DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] M2001HP1 Side View .354 [9.0] .031 [0.8] .138 [3.5] .299 [7.6] .047 [1.2] .157 [4.0] .138 [3.5] .748 [19.0] .413 [10.5] .20 [5.0] .157 [4.0] .031 x .01 [0.8 x 0.25] .984 [25.0] End View (All Versions) Top View Electrical Circuit R1 R1 .433 [11.0] Slotted Plastic Shaft .098 [2.5] .787 [20.0] ? at Base R2 Flexible Leads O .236 [6.0] www.vishay.com 82 Document Number 32025 Revision 25-Apr-00 Model M2001H Vishay Sfernice DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] M2001HP2 Side View .047 [1.2] .394 [10.0] .138 [3.5] .768 [19.5] .051 [1.3] .413 [10.5] PCB Footprint .591 [15.0] .413 [10.5] .031 [0.8] .374 .020 [9.5 0.5] Top View .433 [11.0] O .236 [6.0] Slotted Plastic Shaft Electrical Circuit R1 R1 R2 M2001HS2 Side View .020 [0.5] .031 [0.8] .047 [1.2] .354 [9.0] .827 [21.0] .138 [3.5] .043 .004 [1.1 0.1] 0.2 [5.0] PCB Footprint .051 .004 [1.3 0.1] .394 [10.0] 0.2 [5.0] Top View Electrical Circuit R1 R1 .449 [11.4] O .236 [6.0] Max. R2 Slotted Plastic Shaft M2001HP3 Side View .047 [1.2] .197 [5.0] .213 .008 [5.4 0.2] .024 [0.6] .138 .008 [3.5 0.2] .748 [19.0] .224 [5.7] .354 [9.0] .394 [10.0] .051 .004 [1.3 0.1] PCB Footprint .591 [15.0] .413 [10.5] Top View .433 [11.0] Electrical Circuit R1 R1 O .236 [6.0] Slotted Plastic Shaft R2 Document Number 32025 Revision 25-Apr-00 www.vishay.com 83 Model M2001H Vishay Sfernice PACKAGING M2001HP1, M2001HS2: 250 pieces in bulk. M2001HP2, M2001HP3: 100 pieces in plastic insert. HOW TO ORDER M2001H MODEL M2001H S2 STYLE P1, P2 P3, S2 -- 75R VALUE (ohms) 75R 50R -- 20dB DECIBELS 10dB 20dB www.vishay.com 84 Document Number 32025 Revision 25-Apr-00 |
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