• 1N5518BUR-1 THRU 1N5546BUR-1 AVAILABLE IN JAN, JANTX AND JANTXV PER MIL-PRF-19500/437 • ZENER DIODE, 500mW • LEADLESS PACKAGE FOR SURFACE MOUNT • LOW REVERSE LEAKAGE CHARACTERISTICS • METALLURGICALLY BONDED 1N5518BUR-1 thru 1N5546BUR-1 and CDLL5518 thru CDLL5546D MAXIMUM RATINGS Junction and Storage Temperature: -65°C to +125°C DC Power Dissipation: 500 mW @ TEC = +125°C Power Derating: 10 mW / °C above TEC = +125°C Forward Voltage @ 200mA: 1.1 volts maximum ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. CDI TYPE NUMBER NOMINAL ZENER ZENER TEST VOLTAGE CURRENT MAX. ZENER IMPEDANCE B-C-D SUFFIX B-C-D SUFFIX MAXIMUM DC ZENER MAXIMUM REVERSE LEAKAGE CURRENT LOW VZ CURRENT 1ZM ∆VZ (NOTE 5) 1ZL VZ@ 1ZT (NOTE 2) 1ZT ZZT @ 1ZT (NOTE 3) lR (NOTE 4) VOLTS mA OHMS µ Adc NON & ASUFFIX B-C-DSUFFIX mA VOLTS mA CDLL5518B CDLL5519B CDLL5520B CDLL5521B CDLL5522B 3.3 3.6 3.9 4.3 4.7 20 20 20 20 10 26 24 22 18 22 5.0 3.0 1.0 3.0 2.0 0.90 0.90 0.90 1.0 1.5 1.0 1.0 1.0 1.5 2.0 115 105 98 88 81 0.90 0.90 0.85 0.75 0.60 2.0 2.0 2.0 2.0 1.0 CDLL5523B CDLL5524B CDLL5525B CDLL5526B CDLL5527B 5.1 5.6 6.2 6.8 7.5 5.0 3.0 1.0 1.0 1.0 26 30 30 30 35 2.0 2.0 1.0 1.0 0.5 2.0 3.0 4.5 5.5 6.0 2.5 3.5 5.0 6.2 6.8 75 68 61 56 51 0.65 0.30 0.20 0.10 0.05 0.25 0.25 0.01 0.01 0.01 CDLL5528B CDLL5529B CDLL5530B CDLL5531B CDLL5532B 8.2 9.1 10.0 11.0 12.0 1.0 1.0 1.0 1.0 1.0 40 45 60 80 90 0.5 0.1 0.05 0.05 0.05 6.5 7.0 8.0 9.0 9.5 7.5 8.2 9.1 9.9 10.8 46 42 38 35 32 0.05 0.05 0.10 0.20 0.20 0.01 0.01 0.01 0.01 0.01 DESIGN DATA CDLL5533B CDLL5534B CDLL5535B CDLL5536B CDLL5537B 13.0 14.0 15.0 16.0 17.0 1.0 1.0 1.0 1.0 1.0 90 100 100 100 100 0.01 0.01 0.01 0.01 0.01 10.5 11.5 12.5 13.0 14.0 11.7 12.6 13.5 14.4 15.3 29 27 25 24 22 0.20 0.20 0.20 0.20 0.20 0.01 0.01 0.01 0.01 0.01 CASE: DO-213AA, Hermetically sealed glass case. (MELF, SOD-80, LL34) CDLL5538B CDLL5539B CDLL5540B CDLL5541B CDLL5542B 18.0 19.0 20.0 22.0 24.0 1.0 1.0 1.0 1.0 1.0 100 100 100 100 100 0.01 0.01 0.01 0.01 0.01 15.0 16.0 17.0 18.0 20.0 16.2 17.1 18.0 19.8 21.6 21 20 19 17 16 0.20 0.20 0.20 0.25 0.30 0.01 0.01 0.01 0.01 0.01 CDLL5543B CDLL5544B CDLL5545B CDLL5546B 25.0 28.0 30.0 33.0 1.0 1.0 1.0 1.0 100 100 100 100 0.01 0.01 0.01 0.01 21.0 23.0 24.0 28.0 22.4 25.2 27.0 29.7 15 14 13 12 0.35 0.40 0.45 0.50 0.01 0.01 0.01 0.01 NOTE 1 No Suffix type numbers are +20% with guaranteed limits for only VZ, lR, and VF. Units with “A” suffix are +10% with guaranteed limits for VZ, lR, and VF. Units with guaranteed limits for all six parameters are indicated by a “B” suffix for +5.0% units, “C” suffix for+2.0% and “D” suffix for +1.0%. POLARITY: Diode to be operated with the banded (cathode) end positive. NOTE 2 Zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25°C + 3°C. NOTE 3 Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to 10% of1ZT. NOTE 4 NOTE 5 Reverse leakage currents are measured at VR as shown on the table. ∆VZ is the maximum difference between VZ at lZT and VZ at lZL measured with the device junction in thermal equilibrium. MOUNTING SURFACE SELECTION: The Axial Coefficient of Expansion (COE) Of this Device is Approximately +6PPM/°C. The COE of the Mounting Surface System Should Be Selected To Provide A Suitable Match With This Device. (NOTE 1) VR = VOLTS REGULATION FACTOR CURRENT DIM D F G G1 S MILLIMETERS INCHES MIN MAX MIN MAX 1.60 1.70 0.063 0.067 0.41 0.55 0.016 0.022 3.30 3.70 .130 .146 2.54 REF. .100 REF. 0.03 MIN. .001 MIN. FIGURE 1 LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJEC): 100 ˚C/W maximum at L = 0 inch THERMAL IMPEDANCE: (ZOJX): 35 ˚C/W maximum 22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail: [email protected] CDLL5518 thru CDLL5546D FIGURE 2 Pd, Rated Power Dissipation (mW) 500 400 300 200 100 0 0 25 50 75 100 125 150 175 TEC , End cap temperature (C°) POWER DERATING CURVE 1000 500 400 300 ZENER IMPEDANCE ZZT (OHMS) 200 100 50 40 28 VOLT 30 20 10 5 4 11 VOLT 3 2 6.8 VOLT 1 .1 .2 .5 1 2 5 10 20 OPERATING CURRENT IZT (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT 50 100