2 . 1NS35BUR-1 1N9S7BUR-1, 1NO3BBUR-, IN939BUR-1 AVAILABLE IN 1N935BUR-1 thru 1N939BUR-1 : |S TEMPERATURE | COMPENS ATED ZENER REFERENCE DIODES _ + LEADLESS PACKAGE FOR SURFACE MOUNT _ 9,0 VOLT NOMINAL ZENER VOLTAGE __ *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 lp=10 pA @ 25C & Vp = 6 Vde ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. and CDLL935 thru CDLL939B cpl ZENER ZENER MAXIMUM | VOLTAGE TEMPERATURE | EFFECTIVE TYPE VOLTAGE TEST ZENER | TEMPERATURE RANGE TEMPERATURE NUMBER CURRENT IMPEDANCE] STABILITY COEFFICIENT Vz@ I zT I 2T Z2T AV ZT MAXIMUM (Note 1) (Note 2) VOLTS mA OHMS mv C IC CDLL935 8.55 - 9.45 75 20 67 Oto+ 75 0.01 CDLL935A 8.55 - 9.45 7.5 20 139 -55 to +100 0.01 CDLL935B 8.55 - 9.45 75 20 184 -55 to +150 0.01 CDLL936 8.55 - 9.45 75 20 34 Oto+ 75 * 0.005 CDLL936A 8.55 - 9.45 75 20 70 -55 to +100 0.005 CDLL936B 8.55 - 9.45 75 20 92 -5S to +150 0.005 CDLL937 8.55 - 9.45 75 20 13 Oto+ 75 0.002 CDLL937A 8.55 - 9.45 7.5 20 28 -55 to +100 0.002 CDLL937B 8.55 - 9.45 75 20 37 -55 to +150 0.002 CDLL938 8.55 - 9.45 75 20 6.7 Oto +75 0.001 CDLL938A 8.55 - 9.45 75 20 13.9 -55 to +100 0.001 CDLL938B 8.55 - 9.45 75 20 18 -55 to +150 0.001 CDLL939 8.55 - 9.45 75 20 3.3 Oto + 75 0.0005 CDLL939A 8.55 - 9.45 75 20 7 -55 to +100 0.0005 CDLL939B 8.55 - 9.45 75 20 3 -55 to +150 0.0005 NOTE 1 Zener impedance is derived by superimposing on Iz7A 60Hz rms a.c. current equal to 10% of I7T. NOTE 2 The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV at any discrete temperature between the established limits, per JEDEC standard No.5. HII (( COMPENSATED DEVICES INCORPORATED 166 TREMONT STREET, MELROSE, MASSACHUSETTS 02176 PHONE (617) 665-1071 FAX (617) 665-7379 WWWSITE: http://www.cdi-diodes.com E-mail: mail @ cdi-diodes.com 69CDLL935 500 CDLL939B +.0015 +.0010 +.0005 -.0005 -.0010 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) -.0015 70 400 300 200 100 thru Pd, Rated Power Dissipation (mW) 0 25 50 75 100 125 150 175 T,_, Ambient temperature (C) FIGURE 2 POWER DERATING CURVE 100 50 40 30 20 10 ZENER IMPEDANCE Z7T (OHMS) rp orn 5 6 7 8 9 10 OPERATING CURRENT 17, (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT 6 7 8 9 10 OPERATING CURRENT I>, (mA) FIGURE 4 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT