Absolute Maximum Ratings* Symbol Tolerance: A = 5% TA = 25°C unless otherwise noted Parameter Value Units 500 mW -65 to +200 °C PD Power Dissipation TSTG Storage Temperature Range TJ Operating Junction Temperature + 175 °C Lead Temperature (1/16” from case for 10 seconds) + 230 °C *These ratings are limiting values above which the serviceability of the diode may be impaired. DO-35 NOTES: 1) These ratings are based on a maximum junction temperature of 200 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Electrical Characteristics Device 1N746A 1N747A 1N748A 1N749A 1N750A 1N751A 1N752A 1N753A 1N754A 1N755A 1N756A 1N757A 1N758A 1N759A VZ (V) Ω) ZZ(Ω 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 12 28 24 23 22 19 17 11 7.0 5.0 6.0 8.0 10 17 30 @ COLOR BAND DENOTES CATHODE TA = 25°C unless otherwise noted IZ(mA) IR1(µµA) 20 20 20 20 20 20 20 20 20 20 20 20 20 20 10 10 10 2.0 2.0 1.0 1.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 @ VR(V) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 IR2(µµA) @ VR(V) 30 30 30 30 30 20 20 20 20 20 20 20 20 20 TA=150°°C 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 TC (%/°°C) - 0.070 - 0.065 - 0.060 +/- 0.055 +/- 0.030 +/- 0.030 + 0.038 + 0.045 + 0.050 + 0.058 + 0.062 + 0.068 + 0.075 + 0.077 IZRM*(mA) 110 100 95 85 75 70 65 60 55 50 45 40 35 38 *I (Maximum Zener Current Rating) Values shown are based on the JEDEC rating of 400 milliwatts. Where the actual zener voltage (VZ) is known at the ZRM operating point, the maximum zener current may be increased and is limited by the derating curve. 2001 Fairchild Semiconductor Corporation 1N746A-1N759A Rev. C Zeners (1N746A - 1N759A) Zeners 1N746A - 1N759A (continued) Typical Characteristics 5000 30 25 TA = 25º C 20 15 V Z = 12.0V 10 V Z = 5.1V 5 1 2 V Z = 3.3V 5 10 I Z- ZENER CURRENT (mA) 20 2000 1000 500 V Z = 3.3V 200 100 50 20 10 V Z = 12.0V 5 30 6 V Z - ZENER VOLTAGE (V) V Z - ZENER VOLTAGE (V) 4 T A = -25º C TA = 25º C 3 TA = 85º C T A = 100 º C T A= 125 º C 5.5 5 10 I Z- ZENER CURRENT (mA) 20 4.5 30 3.3 Zener Voltage vs. Temperature 40 V Z = 12.0V 10 T = -25º C A TA = 85º C TA = 100 º C 5 0 1 2 5 10 I Z - ZENER CURRENT (mA) 20 30 12 Zener Voltage vs. Zener Temperature 2001 Fairchild Semiconductor Corporation TA = 85º C T A = 25º C TA = -25º C 1 2 5 10 I Z - ZENER CURRENT (mA) V Z = 33.0V TA = 125º C TA = 25º C 20 20 30 5.1 Zener Voltage vs. Temperature V Z - ZENER VOLTAGE (V) V Z - ZENER VOLTAGE (V) 15 10 TA = 125º C 5 TA = 100º C 4 2 0.5 1 2 5 I Z - ZENER CURRENT (mA) V Z = 5.1V V Z = 3.3V 1 0.2 Zener Current vs. Zener Impedence 5 2 V Z = 33.0V 2 1 0.1 Zener Current vs. Zener Voltage 1 TA = 25º C V Z = 5.1V V Z = 33.0V Z Z - IMPEDANCE (ohms) V Z - ZENER VOLTAGE (V) 35 TA = 100º C TA = 125º C 35 30 TA = -25º C T A = 25º C TA = 85º C 25 20 1 2 5 10 I Z - ZENER CURRENT (mA) 20 30 33 Zener Voltage vs. Zener Temperature 1N746A-1N759A Rev. 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PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. H4