National Semiconductor Zener Diodes 104

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Part	Manufacturer	Diode Type	Terminal Position	Terminal Form	No. of Terminals	Surface Mount	Package Shape	Package Body Material	Working Test Current	Config	Maximum Voltage Temperature Coefficient	Nominal Reference Voltage	Technology	Maximum Reverse Current	No. of Elements	Package Style (Meter)	Sub-Category	Maximum Voltage Tolerance	Maximum Knee Impedance	Maximum Operating Temperature	Maximum Dynamic Impedance	Terminal Finish	JESD-30 Code	Polarity	Case Connection	Qualification	Maximum Power Dissipation	JEDEC-95 Code	JESD-609 Code	Diode Element Material
BZX79C4V7T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	.2 mV/Cel	4.7 V	ZENER	3 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N5235B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	3.4 mV/Cel	6.8 V	ZENER	3 uA	1	LONG FORM	Voltage Reference Diodes	5 %	750 ohm	200 Cel	5 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX55C11.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	6.6 mV/Cel	11 V	ZENER	.1 uA	1	LONG FORM		5 %	70 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N4750AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	9.5 mA	SINGLE		27 V	ZENER	5 uA	1	LONG FORM		5 %	750 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
BZX85C12.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE		12 V	ZENER	.5 uA	1	LONG FORM		5 %	350 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
BZX85C15T50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15 mA	SINGLE		15 V	ZENER	.5 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
BZX85C16.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15 mA	SINGLE		16 V	ZENER	.5 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N4732AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	53 mA	SINGLE		4.7 V	ZENER	10 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4736A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	37 mA	SINGLE		6.8 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %	700 ohm	200 Cel	3.5 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
BZX79C15T50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	13 mV/Cel	15 V	ZENER	.05 uA	1	LONG FORM		5 %	200 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N4739AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	28 mA	SINGLE		9.1 V	ZENER	10 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N5252B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5.2 mA	SINGLE	21.12 mV/Cel	24 V	ZENER	.1 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX55C18.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	13.5 mV/Cel	18 V	ZENER	.1 uA	1	LONG FORM		5 %	170 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX79C6V2T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	3.7 mV/Cel	6.2 V	ZENER	3 uA	1	LONG FORM		5 %	150 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX85C4V3.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	50 mA	SINGLE		4.3 V	ZENER	3 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
BZX85C4V3T50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	50 mA	SINGLE		4.3 V	ZENER	3 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N4732A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	53 mA	SINGLE		4.7 V	ZENER	10 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4736AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	37 mA	SINGLE		6.8 V	ZENER	10 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
BZX85C30.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	8 mA	SINGLE		30 V	ZENER	.5 uA	1	LONG FORM		5 %	1000 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N4730A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	64 mA	SINGLE		3.9 V	ZENER	50 uA	1	LONG FORM	Voltage Reference Diodes	5 %	400 ohm	200 Cel	9 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
BZX85C4V3T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	50 mA	SINGLE		4.3 V	ZENER	3 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
BZX85C5V1.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	45 mA	SINGLE		5.1 V	ZENER	1 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N5237B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	5.084 mV/Cel	8.2 V	ZENER	3 uA	1	LONG FORM	Voltage Reference Diodes	5 %	500 ohm	200 Cel	8 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
1N5247B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	7.4 mA	SINGLE	14.28 mV/Cel	17 V	ZENER	.1 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX79C8V2T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	6.2 mV/Cel	8.2 V	ZENER	.7 uA	1	LONG FORM		5 %	80 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX85C11.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE		11 V	ZENER	.5 uA	1	LONG FORM		5 %	300 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
BZX85C5V1T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	45 mA	SINGLE		5.1 V	ZENER	1 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N4730AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	64 mA	SINGLE		3.9 V	ZENER	50 uA	1	LONG FORM		5 %	400 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4741AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	23 mA	SINGLE		11 V	ZENER	5 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4745AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15.5 mA	SINGLE		16 V	ZENER	5 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N747A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	0 mV/Cel	3.6 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %		175 Cel	22 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX55C9V1.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	4.55 mV/Cel	9.1 V	ZENER	.1 uA	1	LONG FORM		5 %	50 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX85C18T50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15 mA	SINGLE		18 V	ZENER	.5 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N4741AT50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	23 mA	SINGLE		11 V	ZENER	5 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4751AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	8.5 mA	SINGLE		30 V	ZENER	5 uA	1	LONG FORM		5 %	1000 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N5226B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	0 mV/Cel	3.3 V	ZENER	25 uA	1	LONG FORM		5 %	1600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N754A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	3.4 mV/Cel	6.8 V	ZENER	.1 uA	1	LONG FORM	Voltage Reference Diodes	5 %		175 Cel	5 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX79C12T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	10 mV/Cel	12 V	ZENER	.1 uA	1	LONG FORM		5 %	150 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX85C18.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15 mA	SINGLE		18 V	ZENER	.5 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
BZX85C18T50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15 mA	SINGLE		18 V	ZENER	.5 uA	1	LONG FORM		5 %	500 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1.3 W	DO-41		SILICON
1N4731A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	58 mA	SINGLE		4.3 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %	400 ohm	200 Cel	9 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4743AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	19 mA	SINGLE		13 V	ZENER	5 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N5228B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	0 mV/Cel	3.9 V	ZENER	10 uA	1	LONG FORM		5 %	1900 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N746A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	0 mV/Cel	3.3 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %		175 Cel	24 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX55C3V3.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	0 mV/Cel	3.3 V	ZENER	2 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX55C4V7.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	0 mV/Cel	4.7 V	ZENER	.5 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX55C6V2.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	1.984 mV/Cel	6.2 V	ZENER	.1 uA	1	LONG FORM		5 %	200 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX79C5V6.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	2.5 mV/Cel	5.6 V	ZENER	1 uA	1	LONG FORM		5 %	400 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON

Zener Diodes

Zener diodes are electronic components that are designed to operate in the reverse breakdown region of their P-N junction, providing a stable and predictable voltage output. They are commonly used in electronic circuits as voltage regulators, voltage references, and surge protectors.

Zener diodes operate based on the properties of their P-N junction, which is designed to have a narrow depletion region and a low breakdown voltage. When a reverse voltage is applied to the diode, the depletion region widens, allowing a small reverse current to flow. As the voltage across the diode increases, the reverse current increases exponentially, maintaining a stable voltage across the diode.

Zener diodes offer several advantages over other types of voltage regulators, such as simplicity, low cost, and high efficiency. They do not require any external components, such as capacitors or inductors, and they can provide a stable output voltage over a wide range of input voltages and temperatures.

Zener diodes are commonly used in electronic circuits that require a stable voltage source, such as power supplies, battery chargers, and voltage regulators. They come in different package sizes and voltage ratings, depending on the application and the required performance.