Notes:

•	Internal load dissipation: 0.125 Watt.
•	Matched power rating: 10 Watt.
•	When only specification for M range given, specification applies to entire frequency range.
•	General Quality Control Procedures and Environmental Specifications are given in Mini-Circuits Guarantees Quality. Hi-Rel, MIL description are given in Hi-Rel and MIL
•	Prices and Specifications subjects to change without notice.

ZAPD-21   2 Way-0° Frequency MHz Isolation, dB Insertion Loss, dB Above 3.0dB Phase Unbalance Degrees Amplitude Unbalance, dB fL - fU L Typ.  Min. M Typ.  Min. U Typ.  Min. L Typ.  Max. M Typ.  Max. U Typ.  Max. L Max. M Max. U Max. L Max. M Max. U Max. 500-2000       25  18             0.25  1.00           3.00     0.20   L=low range(fL to 10fL)  M=mid range(10fL to fU/2)  U=upper range(fU/2 to fU)

Pin Connections Port Sum Port Port 1 Port 2 as S 1 2 Case Style - F53 (inch,mm )   weight: 170 grams. A B C D E F G H J 2.00 50.800 2.0 50.800 .75 19.050 1.00 25.400 .13 3.302 1.750 44.450 .125 3.175 .39 9.906 1.00 25.400 K L M N P Q R S T .50 12.700 1.00 25.400               Tolerance: .x ± .1  .xx ± .03  .xxx ± .015 inch. Material and Finish:     Case material: aluminum alloy. Finish: grey paint or yellow iridite. Marking:     For port markings 1, 2, and 3 see specification data sheet. Connectors:     Connectors: please specify, unless otherwise noted; BNC is standard, TNC, SMA and Type N, consult factory. (ZAPD -4 units not available with BNC).

FREQ (MHz) Insertion Loss Amplitude Unbalance (dB) Isolation Phase Unbalance (Degrees) FREQ (MHz) VSWR S VSWR 1 VSWR 2 (dB) S-1 (dB) S-2 (dB) 1-2 500.00 3.17 3.14 0.030 21.12 0.45 500.00 1.31 1.16 1.17 525.00 3.18 3.15 0.030 22.44 0.48 525.00 1.27 1.13 1.14 550.00 3.14 3.11 0.030 23.93 0.43 550.00 1.22 1.10 1.11 575.00 3.12 3.10 0.020 25.62 0.50 575.00 1.18 1.07 1.08 600.00 3.12 3.09 0.030 27.55 0.50 600.00 1.13 1.04 1.05 625.00 3.14 3.12 0.020 29.70 0.53 625.00 1.10 1.02 1.03 650.00 3.13 3.09 0.030 31.94 0.59 650.00 1.06 1.02 1.01 675.00 3.14 3.11 0.030 33.67 0.60 675.00 1.03 1.04 1.02 700.00 3.13 3.12 0.010 33.86 0.62 700.00 1.03 1.07 1.05 725.00 3.15 3.12 0.030 32.66 0.58 725.00 1.05 1.09 1.07 750.00 3.08 3.05 0.030 30.96 0.61 750.00 1.08 1.11 1.09 775.00 3.14 3.11 0.040 29.56 0.77 775.00 1.12 1.13 1.12 800.00 3.19 3.14 0.040 28.38 0.63 800.00 1.14 1.15 1.13 825.00 3.22 3.19 0.030 27.43 0.73 825.00 1.17 1.17 1.15 850.00 3.19 3.15 0.040 26.62 0.76 850.00 1.20 1.19 1.17 875.00 3.09 3.07 0.030 25.97 0.79 875.00 1.22 1.20 1.18 900.00 3.18 3.15 0.030 25.73 0.77 900.00 1.24 1.21 1.19 925.00 3.22 3.18 0.030 25.50 0.73 925.00 1.26 1.22 1.20 950.00 3.25 3.21 0.040 25.35 0.75 950.00 1.28 1.23 1.21 975.00 3.23 3.19 0.040 25.28 0.77 975.00 1.29 1.23 1.22 1000.00 3.21 3.17 0.040 25.37 0.68 1000.00 1.29 1.23 1.22 1050.00 3.16 3.15 0.010 25.90 0.82 1050.00 1.29 1.22 1.22 1100.00 3.28 3.24 0.040 26.94 0.98 1100.00 1.28 1.21 1.21 1150.00 3.18 3.16 0.030 28.28 0.76 1150.00 1.25 1.18 1.19 1200.00 3.17 3.14 0.030 30.28 0.92 1200.00 1.21 1.15 1.16 1250.00 3.27 3.23 0.040 32.32 0.99 1250.00 1.16 1.12 1.13 1300.00 3.20 3.19 0.020 33.12 1.03 1300.00 1.12 1.09 1.10 1350.00 3.23 3.21 0.020 31.50 1.12 1350.00 1.07 1.05 1.07 1400.00 3.19 3.17 0.020 29.13 1.15 1400.00 1.03 1.01 1.03 1450.00 3.24 3.23 0.010 27.09 1.17 1450.00 1.05 1.02 1.01 1500.00 3.21 3.18 0.020 25.58 1.20 1500.00 1.09 1.05 1.02 1550.00 3.27 3.23 0.030 24.62 1.32 1550.00 1.12 1.08 1.06 1600.00 3.23 3.19 0.040 24.08 1.27 1600.00 1.16 1.10 1.08 1650.00 3.27 3.24 0.030 24.13 1.39 1650.00 1.18 1.12 1.11 1700.00 3.29 3.25 0.040 24.57 1.32 1700.00 1.20 1.14 1.12 1750.00 3.24 3.22 0.020 25.55 1.40 1750.00 1.21 1.15 1.14 1800.00 3.35 3.31 0.030 27.44 1.41 1800.00 1.22 1.16 1.15 1850.00 3.30 3.27 0.030 30.36 1.43 1850.00 1.21 1.17 1.16 1900.00 3.33 3.30 0.030 35.87 1.42 1900.00 1.19 1.18 1.17 1950.00 3.33 3.32 0.010 43.17 1.38 1950.00 1.18 1.18 1.18 2000.00 3.31 3.29 0.010 33.59 1.48 2000.00 1.15 1.17 1.18