PHOTOMULTIPLIER TUBE R4998 Fast Time Response, 25 mm (1 Inch) Diameter, 10-stage, Bialkali Photocathode, Head-On Type GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Base Suitable Socket Description/Value 300 to 650 420 Bialkali 20 Borosilicate glass Linear-focused 10 12-pin base JEDEC No. B12-43 E678-12A (supplied) Unit nm nm — mm dia. — — — — — Value 2500 250 0.1 -30 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) Radiant at 420nm Blue (CS-5-58 filter) Luminous (2856K) Radiant at 420nm Gain Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Min. 60 — — 100 — — — — — Typ. 70 72 9.0 400 4.1 × 105 5.7 × 106 100 0.7 10 Max. — — — — — — 800 — — Unit µA/lm mA/W µA/lm-b A/lm A/W — nA ns ns NOTE: Anode characteristics are measured with the voltage distribution ratio shown below. VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K G Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P Ratio 1.3 4.8 1.2 1.8 1 1 1 1 1 1.5 3 2.5 Supply Voltage: 2250Vdc, K: Cathode, Dy: Dynode, P: Anode Assembled type (H6533) is recommended. 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 R4998 Figure 1: Typical Spectral Response Figure 2: Typical Gain Characteristics TPMHB0518EA 108 TPMHB0612EA CATHODE RADIANT SENSITIVITY 107 10 106 QUANTUM EFFICIENCY GAIN CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 100 1 105 104 0.1 103 0.01 200 400 600 800 102 500 1000 WAVELENGTH (nm) 1000 1500 2000 2500 3000 SUPPLY VOLTAGE (V) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) 26 ± 1 Socket (E678-12A) 20 MIN. A TEMPORARY BASE REMOVED P 71 ± 1 DY9 5 2 13 MAX. SMA CONNECTOR 16 DY2 17 G 3 DY3 HA COATING 1 18 DY1 K B BOTTOM VIEW DY9 DY7 (Acc) 4 DY5 5 9 DY4 10 3 DY3 34 8 2 B 2- 3.2 DY10 DY8 P 6 7 DY6 DY2 11 1 DY1 12 8 52 MIN. A 12 PIN BASE JEDEC No. B12-43 17 15 DY4 DY7 4 (Acc) DY5 40 5 PHOTOCATHODE 47 DY10 12 DY8 13 14 DY6 15 FACEPLATE G K 37.3 ± 0.5 TPMHA0093EC TACCA0009EB 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 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 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 TPMH1261E02 DEC. 1999