Marine Radar Parts/Magnetron 2012.06.28 10:32

 

GENERAL DATA

Electrical

Mechanical

Operating frequency

9410 ±30

MHz

Overall dimensions

see Outline

Typical peak
output power

25

kW

Net weight

0.7 kg approx

Cathode

indirectly heated

Mounting position

any

Heater voltage
(see note 1)

6.3

V

Coupler

IEC UBR100

Heater current at 6.3V

 (see note 2)

0.5

A

Cooling

natural

Cathode pre-heating time
(minimum) (see note3)

60

s

Output

no.16 waveguide
(22.86 * 10.16 mm internal)

  Input capacitance

 9.0

 pFmax

Magnet 

integral 

 Temperature coefficient

of frequency

 see note 4

 A minimum clearance of 25 mm must be maintained between
the magnetron and any magnetic materials

Notes

1. For optimum performance a value of 6.3 V is recommended. However, this magnetron
will work satisfactorily within the specified limits.
The magnetron heater must be protected against arcing by the use of a minimum
capacitance of 4000 pF shunted across the heater directly at the input terminals;
in some cases a capacitance as high as 2
mF may be necessary depending on the
equipment design. For further details see the Magnetron Preamble.
2. Measured with heater voltage of 6.3 V and no anode input power, the heater
current limits are 0.5 A minimum, 0.6 A maximum.

3. For ambient temperatures above 0 ℃. For ambient temperatures between
0 and -55 ℃, cathode pre-heating time is 45 seconds minimum.

4. Design test only. The maximum frequency change with
anode temperature change (after warming) is -0.25 MHz/℃.

OUTLINE DIMENSIONS

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