Notes:
• For Surface Mount Environmental Specifications, please click here.
Re-flow soldering information is available in "Surface Mount" article.
• 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.

QBA-18   2 Way-90°
Frequency
MHz		 Isolation, dB Insertion Loss, dB
Avg. of Coupled Outputs less 3dB		 Phase
Unbalance
Degrees		 Amplitude
Unbalance, dB		 Power
Input, W
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.		 as Combiner
Max.		 as Splitter
Max.
1700-2500       18  13             0.60  1.00           5.00     1.00     2.00
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 Gnd Ext 50 Ohm Term
lf 1 10 6 2,3,4,7,8,9 5



Case Style - SM1 (inch,mm )   weight: 0.3 grams.
A B C D E F G H J
.250
6.350		 .300
7.620		 .070
1.778		 .290
7.366		 .050
1.270		 .015
0.381		 .050
1.270		 .060
1.524		 .030
0.762
K L M N P Q R S T
.080
2.032		 .300
7.620		 .100
2.540		 .020
0.508		 .015
0.381		 .070
1.778		 .014
0.356		    
Tolerance: .x ± .1  .xx ± .03  .xxx ± .015 inch.
Material and Finish:
    Open-style, ceramic base. Termination finish: solder plate over nickel.

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
1700.00 3.44 3.54 0.100 16.12 87.59 1700.00 1.30 1.39 1.35
1750.00 3.54 3.51 0.030 16.31 87.82 1750.00 1.30 1.39 1.35
1800.00 3.50 3.39 0.100 16.44 87.95 1800.00 1.29 1.38 1.34
1850.00 3.66 3.44 0.220 16.71 88.12 1850.00 1.29 1.37 1.34
1900.00 3.57 3.30 0.270 16.81 88.28 1900.00 1.28 1.36 1.34
2000.00 3.68 3.26 0.420 17.22 88.68 2000.00 1.27 1.34 1.33
2100.00 3.81 3.30 0.510 17.67 88.94 2100.00 1.27 1.33 1.33
2150.00 3.67 3.11 0.550 17.67 89.15 2150.00 1.26 1.32 1.33
2200.00 3.89 3.32 0.560 18.08 89.15 2200.00 1.26 1.32 1.34
2250.00 3.66 3.07 0.590 17.98 89.40 2250.00 1.26 1.31 1.34
2300.00 3.89 3.34 0.560 18.41 89.39 2300.00 1.26 1.30 1.34
2350.00 3.72 3.14 0.580 18.34 89.62 2350.00 1.25 1.30 1.35
2400.00 3.83 3.28 0.550 18.61 89.60 2400.00 1.25 1.29 1.36
2450.00 3.76 3.25 0.510 18.65 89.95 2450.00 1.25 1.29 1.36
2500.00 3.76 3.29 0.460 18.75 89.79 2500.00 1.25 1.29 1.37