8.5 VOLT NOMINAL ZENER VOLTAGE + 5% 1N4775 * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES thru 1N4784A * LOW CURRENT RANGE: 0.5 AND 1.0 mA * METALLURGICALLY BONDED (-1) DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C DC Power Dissipation: 500mW @ +50C Power Derating: 4 mW / C above +50C REVERSE LEAKAGE CURRENT lg = 10 pA @ 25C & Va = 6 Vde ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. JEDEC ZENER ZENER MAXIMUM VOLTAGE |TEMPERATURE | EFFECTIVE | TYPE VOLTAGE TEST DYNAMIC | TEMPERATURE RANGE TEMPERATURE | NUMBER CURRENT | IMPEDANCE | STABILITY COEFFICIENT v2 @ lay lay ZzT Woy (Note 3) (Note 1) {Note 2) VOLTS mA OHMS mv C % fC 1N4775 8.5 0.5 200 64 Oto +75 0.01 1N4775A 8.5 05 200 132 -55 to +100 0.01 1N4776 8.5 05 200 32 Oto+75 0,005 1N4776A 8.5 0.5 200 66 -55 to +100 0.005 1N4777 8.5 0.8 200 13 Oto + 73 0,002 1N4777A 85 0.5 200 26 -56 to +700 0.002 1N4778 8.5 0.5 200 6.4 Oto + 75 0.001 1N4778A 8.5 05 200 13 -55 to +100 0.001 1N4779 8.5 05 200 3.2 Oto + 75 0.0005 1N4779A 85 05 200 6.6 -55 ta +100 0.0005 1N4780 8.5 1.0 100 64 010 +75 0.01 1N4780A 8.5 1.0 100 132 -55 to +100 0.01 1N4781 85 1.0 100 32 Oto + 75 0.005 1N47B1A 8.5 1.0 100 66 -55 to +100 0,005 1N4782 8.5 1.0 100 13 Oto +75 0,002 1N4782A 35 1.0 100 26 -55 to +100 0.002 1N4783 85 1.0 100 6.4 Oto +75 0.001 1N4783A 85 1.0 100 13 -55 to +100 0.001 1N4784 85 1.0 100 3.2 Oto +75 0.0005 1N4784A 8.5 1.0 100 6.6 -55 to +100 0.0005 NOTE 1 Zener impedance is derived by superimposing on lot A 60Hz rms a.c. current equal to 10% of lap NOTE 2 The maximum allowable change observed over the entire temperature range L.e., the diode voltage will not exceed the specified mV at any discrete temperature between the established limits, per JEDEC standard No.5. NOTE 3 Zener voltage range equals 8.5 volts + 5%. 166 TREMONT STREET, MELROSE, MASSACHUSETTS 02176 PHONE (617) 665-1071 FAX (617) 665-7379 WWWSITE: http:/Awww.cdi-diodes.com E-mail: mail @ cdi-diodes.com 3738 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) Pd, Rated Power Dissipation (mW) +.0015 +.0010 +.0005 -.0005 -.0010 -.0015 1N4775 thru 1N4784A 600 500 400 300 200 100 0 25 50 75 100 125-150s175 T,, Lead temperature (C) 3/8 from body FIGURE 2 POWER DERATING CURVE 0.5 1.0 1.5 2.0 OPERATING CURRENT I5+ (mA) FIGURE 4 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT