8890-315 [320] Series – 5 kW, Oil-Cooled RF Terminations with 115 VAC or 230 VAC Blower
5 kW, Oil-Cooled RF Terminations with 115 VAC or 230 VAC Blower
8890-315 and 8890-320 Series, RF Loads are self-contained high-power 50 ohm coaxial transmission line terminations requiring either 115 VAC or 230 VAC for operating the blower unit which provides forced-air cooling for power between 1250 and 5000 watts. It provides accurate, dependable, and practically non-reflective termination for testing and adjusting transmitters under non-radiating conditions. The load consists essentially of a cylindrical film type resistor immersed in a dielectric coolant. The resistor, individually selected for its accuracy, is enclosed in a special tapered housing which provides a linear reduction in surge impedance directly proportional to the distance along the resistor.
Features
- Overload thermoswitch P/N 8890-008 is optional (Free assembly when ordered as a package)
- Oil-assisted (vented) forced-air cooling for safe, continuous operation up to 5000W full rated power
Blower Selections
- 889X-315 = 115 VAC, BA-300 Series Blower Unit Installed
- 889X-320 = 230 VAC, BA-300 Series Blower Unit Installed
Model Selections
| Model | Connector | Dimensions, L x W x H | Weight |
|---|---|---|---|
| 8890-315 | QC-LC(F) | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8890-320 | QC-LC(F) | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8891-315 | 3 1/8 in EIA, Flanged | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8891-320 | 3 1/8 in EIA, Flanged | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8892-315 | 1 5/8 in EIA, Flanged | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8892-320 | 1 5/8 in EIA, Flanged | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8895-315 | 1 5/8 in EIA, Unflanged | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8895-320 | 1 5/8 in EIA, Unflanged | 25.2 in x 7.4 in x 22.7 in (638 mm x 187 mm x 560 mm) |
59 lbs. (27 kg) |
| 8897-315 | 3 1/8 in EIA, Unflanged | 23.2 in x 7.4 in x 22.7 in (590 mm x 188 mm x 577 mm) |
73 lbs. (33 kg) |
| 8897-320 | 3 1/8 in EIA, Unflanged | 23.2 in x 7.4 in x 22.7 in (590 mm x 188 mm x 577 mm) |
73 lbs. (33 kg) |
| Model Number | Frequency Range (MHz) | Power |
|---|---|---|
| APM-5H | 2-30 | 5 W |
| APM-100H | 2-30 | 100 W |
| APM-250H | 2-30 | 250 W |
| APM-1000H | 2-30 | 1000 W |
| APM-5A | 25-60 | 5 W |
| APM-10A | 25-60 | 10 W |
| APM-100A | 25-60 | 100 W |
| APM-250A | 25-60 | 250 W |
| APM-1B | 50-125 | 1 W |
| APM-2.5B | 50-125 | 2.5 W |
| APM-5B | 50-125 | 5 W |
| APM-10B | 50-125 | 10 W |
| APM-25B | 50-125 | 25 W |
| APM-100B | 50-125 | 100 W |
| APM-250B | 50-125 | 250 W |
| APM-500B | 50-125 | 500 W |
| APM-1000B | 50-125 | 1000 W |
| APM-1C | 100-250 | 1 W |
| APM-5C | 100-250 | 5 W |
| APM-10C | 100-250 | 10 W |
| APM-25C | 100-250 | 25 W |
| APM-50C | 100-250 | 50 W |
| APM-100C | 100-250 | 100 W |
| APM-250C | 100-250 | 250 W |
| APM-1000C | 100-250 | 1000 W |
| APM-2.5D | 200-500 | 2.5 W |
| APM-5D | 200-500 | 5 W |
| APM-10D | 200-500 | 10 W |
| APM-25D | 200-500 | 25 W |
| APM-50D | 200-500 | 50 W |
| APM-100D | 200-500 | 100 W |
| APM-1E-400 | 400-800 | 1 W |
| APM-2.5E-400 | 400-800 | 2.5 W |
| APM-5E-400 | 400-800 | 5 W |
| APM-10E-400 | 400-800 | 10 W |
| APM-25E-400 | 400-800 | 25 W |
| APM-50E-400 | 400-800 | 50 W |
| APM-100E-400 | 400-800 | 100 W |
| APM-250E-400 | 400-800 | 250 W |
| APM-500E-400 | 400-800 | 500 W |
| APM-1E-800 | 800-960 | 1 W |
| APM-2.5E-800 | 800-960 | 2.5 W |
| APM-5E-800 | 800-960 | 5 W |
| APM-10E-800 | 800-960 | 10 W |
| APM-25E-800 | 800-960 | 25 W |
| APM-50E-800 | 800-960 | 50 W |
| APM-100E-800 | 800-960 | 100 W |
| APM-250E-800 | 800-960 | 250 W |
| APM-500E-800 | 800-960 | 500 W |
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