1N938BUR-1

TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com Gort Road Business Park, Ennis, Co. Clare, Ireland Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298 ZENER – TEMPERATURE COMPENSATED ZENER REFERENCE DIODES – LEADLESS PACKAGE FOR SURFACE MOUNT – 9.0 VOLT NOMINAL ZENER VOLTAGE – METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION Qualified per MIL-PRF-19500/156 DEVICES LEVELS 1N935BUR-1 thru 1N938BUR-1 CDLL935 thru CDLL938B JAN JANTX JANTXV JANS MAXIMUM RATING AT 25°C Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4mW / °C above +50°C REVERSE LEAKAGE CURRENT IR = 10μA @ 25°C & VR = 6Vdc ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified) MIL-PRF19500/156 MSC TYPE NUMBER ZENER VOLTAGE VZ @ IZT ZENER TEST CURRENT IZT MAXIMUM ZENER IMPEDACE (Note 1) ZZT OHMS VOLTAGE TEMPERATURE STABILITY 3 V ZT MAXIMUM (Note 2) mV TEMPERATURE RANGE EFFECTIVE TEMPERATURE COEFFICIENT DO-213AA VOLTS mA °C % / °C CDLL935 8.55 – 9.45 1N935BUR-1 CDLL935A 8.55 – 9.45 CDLL935B 8.55 – 9.45 CDLL936 8.55 – 9.45 1N936BUR-1 CDLL936A 8.55 – 9.45 CDLL936B 8.55 – 9.45 CDLL937 8.55 – 9.45 1N937BUR-1 CDLL937A 8.55 – 9.45 CDLL937B 8.55 – 9.45 CDLL938 8.55 – 9.45 1N938BUR-1 CDLL938A 8.55 – 9.45 CDLL938B 8.55 – 9.45 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 20 20 20 20 20 20 20 20 20 20 20 20 67 139 184 34 70 92 13 28 37 6.7 13.9 19 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0.01 0.01 0.01 0.005 0.005 0.005 0.002 0.002 0.002 0.001 0.001 0.001 NOTE 1: Zener impedance is derived by superimposing on IZT A 60Hz rms a.c. current equal to 10% of IZT 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. LDS-0158 Rev. 1 (100346) Page 1 of 3 TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com Gort Road Business Park, Ennis, Co. Clare, Ireland Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298 GRAPHS FIGURE 1 FIGURE 2 TL, Ambient temperature (C°) POWER DERATING CURVE ZENER IMPEDANCE VS. OPERATING CURRENT FIGURE 3 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT LDS-0158 Rev. 1 (100346) Page 2 of 3 TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com Gort Road Business Park, Ennis, Co. Clare, Ireland Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298 PACKAGE DIMENSIONS NOTE: 1. Dimensions are in inches. 2. Millimeters are given for general information only. 3. In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology. Symbol BD ECT BL S Dimensions Inches Millimeters Min Max Min Max .063 .067 1.60 1.70 .016 .022 0.41 0.56 .130 .146 3.30 3.70 .001 Min 0.03 Min Notes FIGURE 1. Physical dimensions 1N935BUR-1, 1N937BUR-1 through 1N940BUR-1 (DO-213AA). DESIGN DATA Case: DO-213AA, Hermetically sealed glass case. (MELF, SOD-80, LL34) Lead Finish: Tin / Lead Polarity: Diode to be operated with the banded (cathode) end postive. Mounting Position: Any. 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. LDS-0158 Rev. 1 (100346) Page 3 of 3