TAK CHEONG. 1N5221B through 1N5280B Series. 500 mw DO-35 Hermetically Sealed Glass Zener Voltage Regulators. Maximum Ratings (Note 1)

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1 00 mw DO- Hermetically Sealed Glass Zener Voltage Regulators Maximum Ratings (Note ) Rating Symbol Value Units Maximum Steady State Power Lead Length = / Derate Above P D mw mw/ Operating and Storage T J, T stg -6 to +0 C Temperature Range Note : Some part number series have lower JEDEC registered ratings. Specification Features: Zener Voltage Range =.4V to 0V ESD Rating of Class (>6 KV) per Human Body Model DO- Package (DO-4AH) Double Slug Type Construction Metallurgical Bonded Construction RoHS Compliant Solder Hot Dip Tin (Sn) Lead Finish Specification Features: Case Finish : Double slug type, hermetically sealed glass : All external surfaces are corrosion resistant and leads are readily solderable Polarity : Cathode indicated by polarity band Mounting: Any L xxb Cathode AXIAL LEAD DO L xx B = Logo = NxxB Code Anode NB through N0B Series Sep. 0 / F Page

2 ELECTRICAL CHARACTERISTICS (T A = unless otherwise noted. ) (Note.) Marking Zener Voltage (Note.) Zener Impedance (Note 4.) Leakage Current V Z ZT Z ZT Z ZK I V R θ VZ (Note.) Min Nom Max (ma) (Ω) (Ω) (ma) (ua Max) (Volts) (%/ ) NB NB NB NB NB NB N4B N4B NB NB N6B N6B NB NB NB NB N9B N9B ±0.0 NB NB ±0.0 NB NB ±0.0 NB NB NB NB N4B N4B NB NB N6B N6B NB NB NB NB N9B N9B N40B N40B N4B N4B N4B N4B N4B N4B N44B N44B N4B N4B N46B N46B N4B N4B N4B N4B N49B N49B N0B N0B NB NB NB NB N4B N4B NB NB N6B N6B NB NB NB NB N9B N60B N9B N60B V F =.V F = 0mA for V below types, V F =.0V F = 0mA for ~6V types, V F =.0V F = 0mA for 60V above types Sep. 0 / F Page

3 ELECTRICAL CHARACTERISTICS (T A = unless otherwise noted. ) (Note.) N6B N6B N6B N64B N6B N66B N6B N6B N69B N0B NB NB NB N4B NB N6B NB NB N9B N0B Marking N6B N6B N6B N64B N6B N66B N6B N6B N69B N0B NB NB NB N4B NB N6B NB NB N9B N0B Zener Voltage (Note.) Zener Impedance (Note.) Leakage Current V Z ZT Z ZT Z ZK I V R θ VZ (Note 4.) Min Nom Max (ma) (Ω) (Ω) (ma) (ua Max) (Volts) (ma) V F =.V F = 0mA for V below types, V F =.0V F = 0mA for ~6V types, V F =.0V F = 0mA for 60V above types. TOLERANCE AND TYPE NUMBER DESIGNATION (V Z) The type numbers listed have a standard tolerance on the nominal zener voltage of ± %.. ZENER VOLTAGE (V Z) MEASUREMENT The zener voltage (V Z) is tested under pulse condition. The measured V Z is guaranteed to be within specification with device junction in thermal equilibrium. 4. ZENER IMPEDANCE (Z Z) DERIVATION Z ZT and Z Zk are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits are for I Z(AC) = I Z(DC) with AC frequency = 60Hz.. TEMPERATURE COEFFICIENT (θ VZ) Test conditions for temperature coefficient are as follows: A. I ZT =.ma, T =, T = (NB through N4B) B. I ZT = Rated I ZT, T =, T= (N4B through NB) to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature Sep. 0 / F Page

4 Package Outline Case Outline DO- DIM Millimeters Inches Min Max Min Max A B C D Note: all dimensions are within JEDEC standard. Sep. 0 / F Page 4

5 DISCLAIMER NOTICE NOTICE The information presented in this document is for reference only. Tak Cheong reserves the right to make changes without notice for the specification of the products displayed herein. The product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used with equipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), Tak Cheong Semiconductor Co., Ltd., or anyone on its behalf, assumes no responsibility or liability for any damagers resulting from such improper use of sale. This publication supersedes & replaces all information reviously supplied. For additional information, please visit our website or consult your nearest Tak Cheong s sales office for further assistance. Number: DB-00 April 4, 0 / A