46 ae Electronic Valves PLi Z&I Aero Services Ltd London England 1972-73 GERMANIUM JUNCTION STUD MOUNTED HALF WAVE RECTIFIERS SILICON REFERENCE DIODES GJ3M, 200 p.i.v. 400/800mADC .. 0.40 SZT19 : 5.3 to 5.9 V; Temperature co- GJ5M, 300 p.iv. 400/800mADC .. 0.40 efficient less than .001% per degree C. at GJ6M, 150 p.iv. 400/800 mA .. 0.40 Zenner current of 5 mA, Power dissipation GJ7M, 80p.i.v. 500/1000 mA 0.40 300 mw 2.50 Note Higher figure of DC current is for Heat Sink mounting. Semi Conductors . . CV |Frequency! Le | NR PRE CV |Frequency, Le | NR PRF Microwave Diodes Type No. | me/s db |times mW | Price Type No. me/s | db | times mW | Price 1N21B 367 3000 | 6.5 | 2.0 375 0.30 | CS10BR** 12,000 8.5* 3.50 1N21C 3525 3060 | 5.5 | 15 0.75 | CS34B See 1N23B 1N23 9375 | 10 | 3.0 0.30 | CS36A See 1N25 1N23A 749 9375 | 8 28 0.20 | CS37A See 1N21B 1N23B8 5002 9375 | 6.5 | 2.7 325 0.60 | cvi01 6000 14.0* |\vB=1.4 | 0.25 1N23BR** 9375 | 65 | 2.7 325 0.65 | cv102 6000 14.0* |vB=45 | +0.25 1N23C 5012 9375 | 6.0 | 2.0 0.75 | cvii1 12,000 14.0* \vB=1.4 | 0.40 1N23CR** 9375 | 6.0 | 2.0 325 0.75 | cvi12 12,000 14.0* jvB=45 | 0.40 1N23E 9375 | 6.0 | 1.4 1.50 | CVv291 6000 0.65 1N23WE 9375 | 6.0 | 1.4 R 4.00 | CV2226 12,000 13.0* 4.00 1N25 2916 1000 | 8.0 | 25 750 | 0.75 | Cv2258 12,000 4.25 Notes 1N28 2918 3060 | 7.0 | 2.0 1,00 } GEM1 8503 | 12,000 [_7.5* {3 Watts 4.00 LC Conversion Loss CS2A 103 6000 0.70 | GEM3 7108 | 12,000 8.5* |3 Watts 3.50 NR Noise Ratio CS3A 253 | 10,000 | 8.0 (13.6* 7.00 | Gem4** | 7109 | 12,000 8.5* [3 Watts 3.50 P RF Max. RF Power CS3B 7844 | 12,000 12.0 0.90 | sim2 2154 | 12,000 10.5* 2.00 VB Breakdown Voltage CS4B 12,000 1.90 [| sims** 2155 | 12,000 10.5* 2.00 Revered vali CS9B 12,000 10.0* 1.50 | vx3136 | 2391 | 34,860 16.5* 3.25 R Reversible (double ended) CS10B 9375 | 8.5 | 85* 3.50 | vx4185 | 7181 | 12,000 100 | 8.00