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Coaxial Load

The coaxial terminal load as the energy absorption element in the system is used for the end connection of coaxial transmission system and is generally used for the system test of RF signal transmission. It has the characteristic impedance matching with the transmission line.


Coaxial load can improve the matching performance of the circuit, which is usually connected to the terminal of the circuit. It can also be called a terminal load or a matching load.  There might have been unconnected coaxial ports in many application environments, such as radio equipment, electronic instruments, and various microwave devices. The idle port will lead to signal leakage, make the signal from the nearby equipment enter, and cause crosstalk to the line. In order to avoid this kind of problem, the general solution is to connect a coaxial load that can match the impedance between the spare channel and the test port. It can not only ensure the signal impedance matching but also significantly reduce the signal leakage of the vacant port and the mutual interference between the systems.

Coaxial Load

Types of Coaxial Load

NOProduct number

Average power

  (W)

Frequency range 

(GHz)

Maximum standing wave ratioConnector form
1HBTE-CT002-6-SM-92DC~6≤1.15SMA-male
2HBTE-CT002-12.4-SM-92DC~12.4≤1.20SMA-male
3HBTE-CT002-18-SM-92DC~18≤1.25SMA-male
4HBTE-CT002-6-NM-202DC~6≤1.20N-male
5HBTE-CT002-12.4-NM-182DC~12.4≤1.25N-male
6HBTE-CT002-18-NM-182DC~18≤1.35N-male
7HBTE-CT005-6-SM-175DC~6≤1.15SMA-male
8HBTE-CT005-12.4-SM-175DC~12.4≤1.20SMA-male
9HBTE-CT005-18-SM-175DC~18≤1.25SMA-male
10HBTE-CT005-6-NM-205DC~6≤1.20N-male
11HBTE-CT005-12.4-NM-185DC~12.4≤1.25N-male
12HBTE-CT005-18-NM-185DC~18≤1.35N-male
13HBTE-CT010-6-SM-1210DC~6≤1.20SMA-male
14HBTE-CT010-6-SM-1510DC~6≤1.20SMA-male
15HBTE-CT010-12.4-SM-1510DC~12.4≤1.25SMA-male
16HBTE-CT010-18-SM-1510DC~18≤1.35SMA-male
17HBTE-CT010-6-SM-1710DC~6≤1.20SMA-male
18HBTE-CT010-12.4-SM-1710DC~12.4≤1.25SMA-male
19HBTE-CT010-18-SM-1710DC~18≤1.35SMA-male
20HBTE-CT010-6-NM-3210DC~6≤1.20N-male
21HBTE-CT010-12.4-NM-3210DC~12.4≤1.35N-male
22HBTE-CT010-18-NM-3210DC~18≤1.45N-male
23HBTE-CT010-6-SM-3210DC~6≤1.20SMA-male
24HBTE-CT010-12.4-SM-3210DC~12.4≤1.35SMA-male
25HBTE-CT010-18-SM-3210DC~18≤1.45SMA-male
26HBTE-CT020-6-SM-1520DC~6≤1.20SMA-male
27HBTE-CT020-12.4-SM-1520DC~12.4≤1.30SMA-male
28HBTE-CT020-18-SM-1520DC~18≤1.35SMA-male
29HBTE-CT020-6-NM-38.820DC~6≤1.20N-male
30HBTE-CT020-12.4-NM-38.820DC~12.4≤1.30N-male
31HBTE-CT020-18-NM-38.820DC~18≤1.45N-male
32HBTE-CT030-6-NM-38.830DC~6≤1.20N-male
33HBTE-CT030-12.4-NM-38.830DC~12.4≤1.30N-male
34HBTE-CT030-18-NM-38.830DC~18≤1.45N-male
35HBTE-CT050-6-NM-38.850DC~6≤1.2N-male
36HBTE-CT050-8-NM-38.850DC~8≤1.25N-male
37HBTE-CT050-6-SM-5550DC~6≤1.20SMA-male
38HBTE-CT050-12.4-SM-5550DC~12.4≤1.30SMA-male
39HBTE-CT050-18-SM-5550DC~18≤1.45SMA-male
40HBTE-CT100-6-NM-55100DC~6≤1.20N-male
41HBTE-CT100-8-NM-55100DC~8≤1.30N-male
42HBTE-CT150-6-NM-55150DC~6≤1.25N-male
43HBTE-CT150-8-NM-55150DC~8≤1.35N-male
44HBTE-CT150-4-NM-75*60150DC~4≤1.30N-male
45HBTE-CT200-6-NM-55200DC~6≤1.30N-male
46HBTE-CT200-8-NM-55200DC~8≤1.35N-male
47HBTE-CT200-4-NM-75*60200DC~4≤1.35N-male
48HBTE-CT250-4-NM-100*60250DC~4≤1.40N-male
49HBTE-CT300-4-NM-100*60300DC~4≤1.40N-male
50HBTE-CT350-4-NM-100*80350DC~4≤1.40N-male
51HBTE-CA400-4-NM-100*80400DC~4≤1.40N-male
52HBTE-CT450-4-NM-100*80450DC~4≤1.50N-male
53HBTE-CT500-4-NM-100*80500DC~4≤1.50N-male


FAQs of HBTE Coaxial Load

What is the function of impedance matching?

Impedance matching refers to a suitable match between signal source or transmission line and load. Impedance matching has two main functions: adjusting load power and suppressing signal reflection.

If I exceed the maximum input level, will I burn out the fixed attenuator?

This is not recommended as it may cause data distortion or burn down coaxial load.

All of HBTE coaxial load are tested and specified at 50Ω impedance, can I use them at 75Ω?

It is not recommended.If you need key specifications for the 75 Ω system, please contact our salesman.

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