R1925 R1925-01 B12-43 E678-14C E678-12A 2856K TPMHB0547EB TPMHB0558EA 21MIN - Datasheet Archive

 

R1925, R1925-01 Low Profile Tube, S-20 Spectral Response (300 to 850nm) 25mm (1 Inch) Diameter, Multialkali Photocathode,

 

PHOTOMULTIPLIER TUBES R1925 R1925, R1925-01 R1925-01 Low Profile Tube, S-20 Spectral Response (300 to 850nm) 25mm (1 Inch) Diameter, Multialkali Photocathode, 10-Stage, Head-on Type R1925 R1925: Glass Base, R1925-01 R1925-01: Temporary Base GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Useful Diameter Window Material Structure Dynode Number of Stages R1925 R1925 Base R1925-01 R1925-01 (temporary) R1925 R1925 Suitable Socket R1925-01 R1925-01 Description/Value 300 to 850 420 Multialkali 21 Borosilicate glass Circular cage 10 14-pin glass base 12-pin glass base JEDEC No. B12-43 B12-43 E678-14C E678-14C (supplied) E678-12A E678-12A (supplied) Unit nm nm - mm dia. - - - - - - - Value 1250 250 0.1 -80 to +50 Unit Vdc Vdc mA °C MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Parameter Between Anode and Cathode Between Anode and Last Dynode Average Anode Current Ambient Temperature CHARACTERISTICS (at 25°C) Cathode Sensitivity Anode Sensitivity Parameter Luminous (2856K 2856K) Red/White Ratio (R-68 filter) Radiant at 420nm Luminous (2856K 2856K) Radiant at 420nm Gain Anode Dark Current (after 30 min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Transit Time Spread Min. 80 - - 10 - - - - - - Typ. 120 0.2 51 30 1.3 × 104 2.5 × 105 3.0 2.0 19 1.1 Max. - - - - - - 20 - - - Unit µA/lm - mA/W A/lm A/W - nA ns ns ns VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Ratio 3 1 1 1 1 1 1 1 1 1 1 Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode P Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATS U is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. © 1999 Hamamatsu Photonics K.K. PHOTOMULTIPLIER TUBE R1925 R1925, R1925-01 R1925-01 Figure 1: Typical Spectral Response Figure 2: Typical Gain Characteristics TPMHB0547EB TPMHB0547EB 107 CATHODE RADIANT SENSITIVITY TPMHB0558EA TPMHB0558EA 106 10 105 GAIN CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 100 QUANTUM EFFICIENCY 1 104 0.1 103 0.01 200 400 600 800 102 500 1000 600 700 800 1000 1200 1400 SUPPLY VOLTAGE (V) WAVELENGTH (nm) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) 25.4 ± 0.5 FACEPLATE 21MIN 21MIN. 43.0 ± 1.5 PHOTOCATHODE PHOTOCATHODE 14 PIN BASE DY3 3 12 DY6 DY1 2 13 DY4 14 DY2 Bottom View 12 PIN BASE JEDEC No. B12-43 B12-43 P DY9 6 5 DY10 7 DY8 8 6 7 IC DY7 4 9 DY6 10 DY10 DY9 DY5 3 10 DY4 9 DY7 5 DY5 4 11 DY8 DY3 3 12 DY6 13 DY4 14 DY2 DY1 DY10 10 DY8 11 17 K 50MIN 50MIN. IC 8 P 8 DY9 6 DY7 5 DY5 4 13MAX 13MAX. SEMIFLEXIBLE LEADS P Temporary Base Removed 21MIN 21MIN. 13MAX 13MAX. FACEPLATE 43.0 ± 1.5 25.4 ± 0.5 2 1 K DY3 37.3 ± 0.5 11 2 1 DY1 12 DY2 K TPMHA0437EA TPMHA0437EA SHORT PIN TPMHA0436EA TPMHA0436EA HOMEPAGE URL http://www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Electron Tube Center 314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205 U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: 44(20)8-367-3560, Fax: 44(20)8-367-6384 North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171-41 SE-171-41 SOLNA, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01 Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741 TPMH1225E02 TPMH1225E02 DEC. 1999