TROMPETER SPECIFICATION SHEET CABLE, RADIO FREQUENCY, TWIN CONDUCTOR, BALANCED LINE TWCH-78-2 (*) CINCH MARK: TROMPETER ELECTRONICS TWINAX, TWCH-78-2 (*) CONNECTIVITY SOLUTIONS ASSIGNED VENDOR NUMBER REQUIREMENTS: 1. IMPEDENCE (OF PAIR) -------------------------------- 78 3 OHMS 2. OPERATING VOLTAGE -------------------------------- 1 KVRMS MAX/2 KVDC 3. BEND RADIUS -------------------------------------------- 1.25 INCH MIN 4. CAPACITANCE ------------------------------------------- COND TO COND -------------------- 21.2 PF/FT COND TO SHIELD ----------------- 36.0 PF/FT COND TO SHIELD TO COND---- 38.0 PF/FT TWO COND TO SHIELD ---------- 62.0 PF/FT 5. CONDUCTOR LOOP RESISTANCE ---------------- 19.0 OHMS/M FT MAX 6. VELOCITY OF PROPAGATION ---------------------- 66% NOM 7. ATTENTUATION: FREQUENCY dB/100 FT NOM FREQUENCY dB/100 FT NOM 1 MHz 0.70 40 MHz 4.50 3 MHz 1.10 50 MHz 5.10 4 MHz 1.40 100 MHz 7.50 5 MHz 1.55 200 MHz 10.50 7 MHz 1.80 500 MHz 16.00 10 MHz 2.20 700 MHz 18.60 20 MHz 3.10 1000 MHz 22.50 30 MHz 3.90 8. HEAT AGING ATTENUATION TEST: SUBJECT A 180 FOOT SAMPLE TO 80 C IN AIR CIRCULATING OVEN FOR 72 HRS. REMOVE CABLE FROM THE OVEN AND LET STABILIZE TO ROOM TEMP (4 HRS MIN). THE ATTENTUATION AT 7 MHz SHALL NOT INCREASE MORE THAN .48 dB/100 FT FROM ITS UNAGED VALUE 9. WEIGHT ---------------------------------------------------- .0386 LB/ FT 10. INSULATION RESISTANCE (MIN) ------------------ 20 MEGOHMS/1000 FT 11. OPERATING TEMPERATURE RANGE ------------ -30CTO +80 C DESCRIPTION CONSTRUCTIONAL DETAILS INNER CONDUCTORS TWO CONDUCTORS, EACH 7 STRANDS OF AWG SIZE 28 TINNED COPPER WIRE. NOM DIA .037 (AWG 20) DIELECTRICS TWO EACH POLYETHYLENE, ONE BLUE, ONE NATURAL. NOM DIA .076 TWO EACH POLYETHYLENE. NOM DIA .052 FILLERS .154 NOM O.D., .160 MAX DIELECTRICS AND FILLERS TO HAVE A 2.92 .25 RIGHT-HAND OR CABLE CORE LEFT-HAND LAY, 4 TWISTS PER FOOT. A NYLON THREAD WRAP SHALL BE APPLIED WITH SUFFICIENT COVERAGE TO MAINTAIN THE POSITION OF THE COMPONENTS SHIELD SINGLE BRAID, (128 STRANDS 16X8) AWG SIZE 36 TINNED COPPER WIRE. 9.8 PICKS/IN, 32 BRAID ANGLE, 4.2 OHM/M FT D.C. RESISTANCE. SHIELD COVERAGE 93% NOM, MAX O.D195 JACKET BLUE (PER EIA-359-A, MUNSELL COLOR CHART, SYMBOL CENTROID) FLAME RETARDANT HALOGEN FREE POLYOLEFIN .242 .005 O.D. DWN DKC 12-11-97 MATERIAL CODE IDENT DRAWING NO. REV CHK C. M 10-19-97 14949 TWCH-78-2 D ENG C.M 10-19-97 APPR SCALE -------- DATE 1-2-97 SHEET C.M 10-19-97 REV D EO 56534 DWN DKC APPR C.MONAHAN DATE 10/19/2016 X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Coaxial Cables category: Click to view products by Bel Fuse manufacturer: Other Similar products are found below : 89880-003-1000 CY2389-000 8221-010-U1000 9116-010-U500 1322R-010-1000 1807A-B59-U1000 2020K8421-9X-CS3417 9251-010- 1000 9275-010-U1000 935240-000 980704-001 CF2823-000 33312-010-500 CZ1589-000 5022W0809-0CS3263 10610-4-4 EF8108-000 1673B TIN100 672525-001 144517-000 735A1-008-1000 8212-010-U500 480414-000 7915A 009U1000 5024A1311-0 1281S5 010250 1530A 010U1000 9248 010U1000 9244 0101000 1694A 0081000 1190A 0101000 8241F J5C1000 1674A TIN50 7915A 0091000 TRCH- 50-2 9066 0031000 7805R 008100 1674A TIN100 9116SB 0101000 9271 0061000 1613A 0101000 1807A B591000 5339Q5 009U500 539945 0091000 9116R 0101000 89207 010100 9058 0101000 8241A 0101000 DA7805R 0101000 C6424