Zener Diode Features: * * Silicon Planar Power Zener Diodes Standard Zener Voltage Tolerance is 5%. with a "B" Suffix. Other Tolerances are Available Upon Request Mechanical Data: * * * * * Case:DO-35, Glass Case Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: Type Number Approx. Weight: 0.13g Maximum Ratings and Electrical Characteristics: Ratings at 25 ambient temperature unless otherwise specified. Single phase, half wave,60Hz, resistive or inductive load. For capacitive load,derate by 20%. Characteristics Symbol Value Unit Power dissipation at Ta=25C (Note 1) Ptot 500 mW Junction temperature TJ 175 C Storage temperature range Ts -55 to +175 C Characteristics Symbol Min. Typ. Max. Unit Thermal resistance junction to ambient (Note 1) RJA - - 300 C/W VF - - 1.2 V Forward voltage at IF=200mA Notes: (1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature www.element14.com www.farnell.com www.newark.com Page <1> 27/02/13 V1.0 Zener Diode Electrical Characteristics: (TA=25C) Part Number Nominal Zener Test Voltage Current (Note 1) VZ IZT V mA 1N5231B-T 5.1 1N5232B-T 5.6 1N5236B-T 7.5 1N5250B-T 20 Maximum Dynamic Impedance (Note 1) ZZT@IZT ZZK@ IZK=0.25mA 17 1,600 Typical Temperature of Coeffizient Maximum Reverse Leakage Current VZ@IZT IRM VR %/C A V 0.03 0.038 2 5 20 11 3 6 500 0.058 3 6 6.2 25 600 0.086 0.1 15 Notes: (1) Based on dc-measurement at thermal equilibrium; lead length=9.5 (3/8"); thermal resistance of heat sink=30k/W. www.element14.com www.farnell.com www.newark.com Page <2> 27/02/13 V1.0 Zener Diode Dimensions: Part Number Table Description Part Number 1N5231B-T DO-35(GLASS) Zener Diodes Dimensions : Millimetres 1N5232B-T 1N5236B-T 1N5250B-T Important Notice : This data sheet and its contents (the "Information") belong to the members of the Premier Farnell group of companies (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. (c) Premier Farnell plc 2012. www.element14.com www.farnell.com www.newark.com Page <3> 27/02/13 V1.0