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
1N4741A.TR	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
1N5239B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	6.188 mV/Cel	9.1 V	ZENER	3 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N5248B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	7 mA	SINGLE	15.3 mV/Cel	18 V	ZENER	.1 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N4744A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	17 mA	SINGLE		15 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	700 ohm	200 Cel	14 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4733A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	49 mA	SINGLE		5.1 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %	550 ohm	200 Cel	7 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4742A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	21 mA	SINGLE		12 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	700 ohm	200 Cel	9 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4752A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	7.5 mA	SINGLE		33 V	ZENER	5 uA	1	LONG FORM		5 %	1000 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4740A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	25 mA	SINGLE		10 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %	700 ohm	200 Cel	7 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4744AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	17 mA	SINGLE		15 V	ZENER	5 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N5234B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	2.79 mV/Cel	6.2 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	1000 ohm	200 Cel	7 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
1N4747A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	12.5 mA	SINGLE		20 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	750 ohm	200 Cel	22 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4749A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	10.5 mA	SINGLE		24 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	750 ohm	200 Cel	25 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N5231B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	1.53 mV/Cel	5.1 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	1600 ohm	200 Cel	17 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX55C5V6.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	1.4 mV/Cel	5.6 V	ZENER	.1 uA	1	LONG FORM		5 %	450 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX55C5V1.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	.51 mV/Cel	5.1 V	ZENER	.1 uA	1	LONG FORM		5 %	550 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX55C6V8.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	2.72 mV/Cel	6.8 V	ZENER	.1 uA	1	LONG FORM		5 %	150 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N4734A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	45 mA	SINGLE		5.6 V	ZENER	10 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4728A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	76 mA	SINGLE		3.3 V	ZENER	100 uA	1	LONG FORM	Voltage Reference Diodes	5 %	400 ohm	200 Cel	10 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N5232B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	2.128 mV/Cel	5.6 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	1600 ohm	200 Cel	11 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
1N4749AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	10.5 mA	SINGLE		24 V	ZENER	5 uA	1	LONG FORM		5 %	750 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N751A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	1.53 mV/Cel	5.1 V	ZENER	1 uA	1	LONG FORM	Voltage Reference Diodes	5 %		175 Cel	14 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
1N4740AT50A	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	25 mA	SINGLE		10 V	ZENER	10 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4746A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	14 mA	SINGLE		18 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	750 ohm	200 Cel	20 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4735A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	41 mA	SINGLE		6.2 V	ZENER	10 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4744AT50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	17 mA	SINGLE		15 V	ZENER	5 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4749AT50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	10.5 mA	SINGLE		24 V	ZENER	5 uA	1	LONG FORM		5 %	750 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N5245B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	8.5 mA	SINGLE	12.3 mV/Cel	15 V	ZENER	.1 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N4751A.TR	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
1N5240B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	7.5 mV/Cel	10 V	ZENER	3 uA	1	LONG FORM	Voltage Reference Diodes	5 %	600 ohm	200 Cel	17 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX55C10.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	5.5 mV/Cel	10 V	ZENER	.1 uA	1	LONG FORM		5 %	70 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N5242B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	9.24 mV/Cel	12 V	ZENER	1 uA	1	LONG FORM	Voltage Reference Diodes	5 %	600 ohm	200 Cel	30 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
1N5230B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	1.41 mV/Cel	4.7 V	ZENER	5 uA	1	LONG FORM		5 %	1900 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
1N4734AT50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	45 mA	SINGLE		5.6 V	ZENER	10 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4745A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	15.5 mA	SINGLE		16 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	700 ohm	200 Cel	16 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N4739A.TR	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
1N4738AT50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	31 mA	SINGLE		8.2 V	ZENER	10 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N4735AT50R	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	41 mA	SINGLE		6.2 V	ZENER	10 uA	1	LONG FORM		5 %	700 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41		SILICON
1N5241B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	8.36 mV/Cel	11 V	ZENER	2 uA	1	LONG FORM	Voltage Reference Diodes	5 %	600 ohm	200 Cel	22 ohm	TIN LEAD	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
1N4738A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	31 mA	SINGLE		8.2 V	ZENER	10 uA	1	LONG FORM	Voltage Reference Diodes	5 %	700 ohm	200 Cel	4.5 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N5250B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	6.2 mA	SINGLE	17.2 mV/Cel	20 V	ZENER	.1 uA	1	LONG FORM	Voltage Reference Diodes	5 %	600 ohm	200 Cel	25 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	SILICON
BZX55C15.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	5 mA	SINGLE	10.5 mV/Cel	15 V	ZENER	.1 uA	1	LONG FORM		5 %	110 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX85C12T50A	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
BZX85C15T50A	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
1N4750A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	9.5 mA	SINGLE		27 V	ZENER	5 uA	1	LONG FORM	Voltage Reference Diodes	5 %	750 ohm	200 Cel	35 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	1 W	DO-41	e0	SILICON
1N5243B.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	9.5 mA	SINGLE	10.27 mV/Cel	13 V	ZENER	.5 uA	1	LONG FORM		5 %	600 ohm	200 Cel			O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35		SILICON
BZX85C12T50R	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
BZX85C15.TR	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
1N750A.TR	National Semiconductor	ZENER DIODE	AXIAL	WIRE	2	NO	ROUND	GLASS	20 mA	SINGLE	1.41 mV/Cel	4.7 V	ZENER	2 uA	1	LONG FORM	Voltage Reference Diodes	5 %		175 Cel	16 ohm	Tin/Lead (Sn/Pb)	O-LALF-W2	UNIDIRECTIONAL	ISOLATED	Not Qualified	.5 W	DO-35	e0	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.