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4479 Series

4479 Series

2W Miniature Photomultiplier / APD Modules

Applications: Photomultiplier Tubes & Avalanche Photo Diodes

  • 300V, 600V 800V 1kV and 2kV versions
  • Positive and negative polarity options
  • Remote voltage programming or potentiometer setting
  • Voltage monitor & current monitor
  • Flashover & short circuit protected
  • UL approved and CE marked
Electrical Specification
Order Code For 12v Input Types Order Code For 24v Input Types Polarity Output Voltage Output Current Connection
4479-101 4479-107 Positive 300V 3mA Connector
4479-113 4479-119 Positive 300V 3mA Pins
4479-102 4479-108 Positive 600V 3mA Connector
4479-114 4479-120 Positive 600V 3mA Pins
4479-103 4479-109 Positive 800V 2.5mA Connector
4479-115 4479-121 Positive 800V 2.5mA Pins
4479-104 4479-110 Positive 1kV 2mA Connector
4479-116 4479-122 Positive 1kV 2mA Pins
4479-105 4479-111 Positive 1.7kV 1.2mA Connector
4479-117 4479-123 Positive 1.7kV 1.2mA Pins
4479-106 4479-112 Positive 2kV 1mA Connector
4479-118 4479-124 Positive 2kV 1mA Pins
4479-2XXX 4479-2XX Negative  
12V Types Input voltage range +11V to +15V dc. Maximum input voltage surge <5 seconds is 18V.
Input current 400mA at full load and 125mA at zero load (at 12V).
Control of the output 0 to +5V for 0 to 100% rated output voltage, input Z = 1M. Maximum slew rate : 50V/mS typ.
Fixed reference output +5V ±0.05%. Maximum current: 3mA. Temperature coefficient: 50ppm / °C.
Variable reference output 0 to +5V, multi-turn potentiometer.
Current & Voltage monitor 0 to +5V for zero to 100% of output current / voltage, accuracy ±1%. Source Z = 10K.
24V Types Input voltage range +22V to +28V dc. Maximum input voltage surge <5 seconds is 32V.
Input current 250mA at full load and 100mA at zero load (at 24V).
Control of the output 0 to +10V for 0 to 100% rated output voltage, input Z = 1M. Maximum slew rate : 50V/mS typ.
Fixed reference output +10V ±0.05%. Maximum current: 3mA. Temperature coefficient: 50ppm / °C.
Variable reference output 0 to +10V, multi-turn potentiometer.
Current & Voltage monitor 0 to +10V for zero to 100% of output current / voltage, accuracy ±1%. Source Z = 10K.
Electrical Specification (12V & 24V input types)
High Frequency Ripple 1mV pk-pk typ.
Low Frequency Noise 4mV pk-pk typ.
Line Regulation <20ppm over input voltage range.
Load Regulation <20ppm for zero to full load.
Drift (after 1 hour warm up) <15ppm in any 15 minute period, <50ppm in any 8 hour period.
Temperature Coefficient <50ppm / °C at maximum rated output.
Protection Proof against output short circuit (current limited to 110% of max ). Input protected against polarity reversal.
Safety Approved To UL1950 & CE Marked.
Mechanical Specification
Dimensions (L x B x H) 95.2 x 49.0 x 15.0 mm (3.75” x 1.94” x 0.6”). 2 off mounting holes on 88.8mm (3.5”)centres.
Weight 70g (2.5 oz.) approximately.
Input / Control (Connector)

2 off (4 way & 5 way) 0.1” pitch (Molex) connectors.

INPUT / CONTROL (Pins) 2 off sets of 4 off 0.1” pitch pins, see drawing below for positions.
OUTPUT Fly lead, RG178B/U cable 0.5m (19”) long also available with RG58 or other types to special order.