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UDZVTE-1736B Zener Diode Datasheet PDF Download

Author: Irene
Date: 21 Jan 2022
 72
Feature

Catalog

Feature

Application

Structure

Outline

Inner Circuit

Packaging Specification

Absolute Maximum Rating

Characteristic

Marking

Characteristic Curves

Dimension

UDZVTE-1736B Datasheet

UDZVTE-1736B Manufacturer

Using Warning

UDZVTE-1736B FAQ

 

Feature

High reliability

Small mold type

 

Application

Voltage regulation

 

Structure

Silicon Epitaxial Planar

 

Outline

Outline

 

Inner Circuit

Inner Circuit

 

Packaging Specification

Packing Embossed Tape
Reel Size(mm) 180
Taping Width(mm) 8
Quantity(pcs) 3000
Taping Code TE-17
Marking F5

 

Absolute Maximum Rating 

(Ta = 25℃)

Parameter Symbol Limits Unit
Power dissipation PD 200 mW
Junction temperature Tj 150
Storage temperature Tstg -55 ~ 150

 

Characteristic 

(Ta = 25ºC)

P/N Symbol
Zener Voltage:VZ(V) Dynamic Impedance:ZZ(Ω) Zener Impedance:ZZK(Ω) Reverse Current:IR(μA)
MIN. MAX. Iz(mA) MAX. Iz(mA) MAX. Iz(mA) MAX. VR(V)
UDZV 2.0B 2.02 2.2 5 100 5 1000 0.5 120 0.5
UDZV 2.2B 2.22 2.41 5 100 5 1000 0.5 120 0.7
UDZV 2.4B 2.43 2.63 5 100 5 1000 0.5 120 1
UDZV 2.7B 2.69 2.91 5 110 5 1000 0.5 100 1
UDZV 3.0B 3.01 3.22 5 120 5 1000 0.5 50 1
UDZV 3.3B 3.32 3.53 5 120 5 1000 0.5 20 1
UDZV 3.6B 3.6 3.845 5 100 5 1000 1 10 1
UDZV 3.9B 3.89 4.16 5 100 5 1000 1 5 1
UDZV 4.3B 4.17 4.43 5 100 5 1000 1 5 1
UDZV 4.7B 4.55 4.75 5 100 5 800 0.5 2 1
UDZV 5.1B 4.98 5.2 5 80 5 500 0.5 2 1.5
UDZV 5.6B 5.49 5.73 5 60 5 200 0.5 1 2.5
UDZV 6.2B 6.06 6.33 5 60 5 100 0.5 1 3
UDZV 6.8B 6.65 6.93 5 40 5 60 0.5 0.5 3.5
UDZV 7.5B 7.28 7.6 5 30 5 60 0.5 0.5 4
UDZV 8.2B 8.02 8.36 5 30 5 60 0.5 0.5 5
UDZV 9.1B 8.85 9.23 5 30 5 60 0.5 0.5 6
UDZV 10B 9.77 10.21 5 30 5 60 0.5 0.1 7
UDZV 11B 10.76 11.22 5 30 5 60 0.5 0.1 8
UDZV 12B 11.74 12.24 5 30 5 80 0.5 0.1 9
UDZV 13B 12.91 13.49 5 37 5 80 0.5 0.1 10
UDZV 15B 14.34 14.98 5 42 5 80 0.5 0.1 11
UDZV 16B 15.85 16.51 5 50 5 80 0.5 0.1 12
UDZV 18B 17.56 18.35 5 65 5 80 0.5 0.1 13
UDZV 20B 19.52 20.39 5 85 5 100 0.5 0.1 15
UDZV 22B 21.54 22.47 5 100 5 100 0.5 0.1 17
UDZV 24B 23.72 24.78 5 120 5 120 0.5 0.1 19
UDZV 27B 26.19 27.53 5 150 5 150 0.5 0.1 21
UDZV 30B 29.19 30.69 5 200 5 200 0.5 0.1 23
UDZV 33B 32.15 33.79 5 250 5 250 0.5 0.1 25
UDZV 36B 35.07 36.87 5 300 5 300 0.5 0.1 27
UDZV 39B 38.02 39.98 2 300 2 - - 0.1 30
UDZV 43 40 45 2 550 2 - - 0.1 33
UDZV 47 44 49 2 600 2 - - 0.1 36

 

Zener voltage(VZ) is measured by applying current with 40ms pulse. Dynamic resistance(ZZ) is measured by applying small current (AC) and specified current (IZ) simultaneously.

 

Marking

P/N Marking P/N Marking
UDZV 2.0B 2 UDZV 10B 5
UDZV 2.2B 12 UDZV 11B 15
UDZV 2.4B 22 UDZV 12B 25
UDZV 2.7B 32 UDZV 13B 35
UDZV 3.0B 42 UDZV 15B 45
UDZV 3.3B 52 UDZV 16B 55
UDZV 3.6B 62 UDZV 18B 65
UDZV 3.9B 72 UDZV 20B 75
UDZV 4.3B 82 UDZV 22B 85
UDZV 4.7B 92 UDZV 24B 95
UDZV 5.1B A2 UDZV 27B A5
UDZV 5.6B C2 UDZV 30B C5
UDZV 6.2B E2 UDZV 33B E5
UDZV 6.8B F2 UDZV 36B F5
UDZV 7.5B H2 UDZV 39B H5
UDZV 8.2B J2 UDZV 43 L8
UDZV 9.1B L2 UDZV 47 M8

 

Characteristic Curves

1 Characteristic Curves

 

2,3 Characteristic Curves

 

4,5 Characteristic Curves

 

6,7 Characteristic Curves

 

8,9 Characteristic Curves

 

Dimension 

(UMD2 SOD-323F SC-90A)

Dimension

 

UDZVTE-1736B Datasheet

You can download the datasheet from the link given below:

UDZVTE-1736B Datasheet

 

UDZVTE-1736B Manufacturer

ROHM was established in Kyoto, Japan, in 1958. ROHM designs and manufactures semiconductors, integrated circuits and other electronic components. These components find a home in the dynamic and ever-growing wirelesscomputer, automotive and consumer electronics markets. Some of the most innovative equipment and devices use ROHM products.

 

Using Warning

Note: Please check their parameters and pin configuration before replacing them in your circuit.

 

UDZVTE-1736B FAQ

1.What is meant by Zener diode?

A Zener diode is a silicon semiconductor device that permits current to flow in either a forward or reverse direction. The diode consists of a special, heavily doped p-n junction, designed to conduct in the reverse direction when a certain specified voltage is reached.

 

2.What is the main function of Zener diode?

Zener diodes are used to regulate the voltage on small circuits. When connected in parallel with a variable voltage source that is reverse biased, a Zener diode conducts when the voltage reaches its reverse breakdown voltage.

 

3.What is the difference between diode and Zener diode?

A diode is a semiconductor device which conducts in one direction only. A Zener diode is a semiconductor device which conducts in forward biased as well as reversed biased. On the contrary, Zener diode is designed in a way that it can conduct in a reversed biased mode without getting damaged.

 

4.What are the advantages of Zener diode?

Advantages of Zener Diodes

  • Less expensive than other diodes.
  • Ability to shift voltage.
  • Easily compatible and obtainable across systems.
  • High-performance standard.
  • Protection from over-voltage.
  • Ability to regulate and stabilize circuit voltage.
  • Greater control overflowing current.
  • Usable in smaller circuits.

 

5.What is Zener diode and types?

The Zener diode is a special type of diode that is designed to work in reverse bias and in the so-called Zener region of the diode characteristic curve. This region is after the reverse-biased voltage has exceeded the breakdown voltage (breakdown point).

 

6.What is Zener diode made of?

The true Zener diodes, which have the same properties as avalanche diodes and are used in the same applications, rely on the Zener effect. The diode is made from heavily doped silicon, so that the depletion layer is very thin.

 

7.How is Zener diode formed?

These diodes are made by heavily doped N and P type semiconductors, the quantity of doping of semiconductors is kept different so that their break down voltages are different. In that way, zener diodes different voltage levels have different voltage capacity.

 

8.How does Zener diode regulate voltage?

When zener diode is designed for a specific breakdown voltage, it maintains that voltage by conducting more current when the applied voltage is increased. A ballast resistor in series with it will also absorb the current change thus regulate the voltage across the diode.

 

9.Why Zener diode is used in reverse bias?

Zener diode is a heavily doped diode. It acts as a normal diode in forwarding bias. When the Zener diode is reverse biased the junction potential increases. Therefore the Zener diode turns into a perfect conductor and will drain the current through it.

 

10.Is Zener diode a rectifier?

A zener diode will function as a rectifier but will be limited by its zener voltage which is in effect the reverse breakdown voltage. Suggest using a regular rectifier diode. You will also have a hard time finding a zener with high current ratings that are sometimes required for rectifiers.

 

11.How do you wire a Zener diode?

To connect a zener diode is a circuit and provide a voltage regulation, the zener diode should be connected in reverse biased, in parallel on the power source which gives the zener diode it s voltage, along the source connected to a resistor. The 9v power supply drops across the resistor and the zener diode.

 

12.Is Zener diode energy efficient?

Heating up a zener diode is not an efficient use of this limited energy! Ideally, this efficiency value is er =1, while the worst possible efficiency is er =0.

 

13.What are the important parameters that should know about the Zener diode?

  • Parameters of Zener Diode
  • Maximum Zener Current.
  • Minimum Zener Current.
  • Nominal Voltage.
  • Power Dissipation.

 

14.Why Zener diode is also called breakdown diode?

When reverse biased voltage applied to the zener diode reaches zener voltage, it starts allowing large amount of electric current. At this point, a small increase in reverse voltage will rapidly increases the electric current. Because of this sudden rise in electric current, breakdown occurs called zener breakdown.

 

15.How do you identify a Zener diode?

The testing of Zener diodes is the same as the regular diodes. The multimeter is placed in the diode setting and connected to the diode. The forward biased voltage of the diode is found by connecting the positive of the multimeter to the diode's anode. This is the side on the Zener diode that is not marked.

 

16.Why zener diode do not damage after breakdown?

Zener effect incubates when on applying the bias voltage across the diode the valence band of p-region nearly aligns (precisely depends on temperature) with the conduction band of n-region. Here diode does not have any physical breakdown, and hence does not get damaged.

 

17.What is the resistance of a Zener diode?

For a small (1W) zener diode rated at 5V, and at 10mA reverse current, the dynamic resistance is between 10 and 15 ohms. Once again, higher at lower currents. But for the zener, this should not be significant. If it is applied correctly, it will have a constant current through it so the zener voltage will be stable.

 

18.Can we use zener diode for rectification purpose?

Zener diodes are never worked for rectification purposes. Complete step-by-step solution: We do not favour using a Zener Diode in a rectifier circuit because a large maximum peak inverse voltage is needed for a rectifier circuit. Unlike the standard p-n junction diode, a Zener diode has a below peak inverse voltage.

 

19.How does zener diode reduce DC voltage?

A Zener diode's design has the special property of reducing a reverse voltage to a specified value. This makes Zener diodes good, low-cost voltage regulators. To use one in a circuit, you calculate a resistor value, then connect the resistor and Zener across the voltage you want to regulate.

 

20.How accurate is a Zener diode?

The point at which the zener voltage triggers the current to flow through the diode can be very accurately controlled (to less than 1% tolerance) in the doping stage of the diodes semiconductor construction giving the diode a specific zener breakdown voltage, ( Vz ) for example, 4.3V or 7.5V.

 

21.What happens when a zener diode fails?

Interestingly enough, when Zener diodes fail due to excessive power dissipation, they usually fail shorted rather than open. A diode failed in this manner is readily detected: it drops almost zero voltage when biased either way, like a piece of wire.

 

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