Diodes AZ23C18W User Manual

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Features

• Nominal Zener Voltages: 5.6V, 6.8V, 10V, 18V

• Ultra-Small Surface Mount Package

• Ideal For Transient Suppression

• Lead Free/RoHS Compliant (Note 4)

• "Green" Device (Note 5 and 6)

ESD Sensitivity Rating

• AEC-Q101, HBM - 8kV, MM - 400V
(AZ23C5V6W - AZ23C18W)

• IEC 61000-4-2, Air - Exceeds 25kV, Contact - 8kV
(AZ23C5V6W, AZ23C6V8W)

• IEC 61000-4-2, Air - Exceeds 15kV, Contact - 8kV
(AZ23C10W, AZ23C18W)

Top View

Z23C5V6W, AZ23C6V8W, AZ23C10W, AZ23C18

200mW DUAL SURFACE MOUNT ZENER DIODE

Mechanical Data

• Case: SOT-323

• Case Material: Molded Plastic, "Green" Molding Compound,

Note 6. UL Flammability Classification Rating 94V-0

• Moisture Sensitivity: Level 1 per J-STD-020D

• Terminals: Solderable per MIL-STD-202, Method 208

• Terminal Connections: See Diagram

• Lead Free Plating (Matte Tin Finish annealed over Alloy 42

leadframe).

• Marking Information: See Table Below & Page 2

• Ordering Information: See Page 2

• Weight: 0.006 grams (approximate)

Device Schematic

Maximum Ratings @T

Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.

Characteristic Symbol Value Unit

Forward Voltage @ IF = 10mA VF

= 25°C unless otherwise specified

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Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range

Electrical Characteristics @T

Zener Voltage

Type

Number

AZ23C5V6W KD9 5.6 5.32 5.88 40 5.0 400 1.0 1.0 2.0 -2.0 2.5
AZ23C6V8W KDB 6.8 6.47 7.14 15 5.0 80 1.0 2.0 4.0 1.2 4.5

AZ23C10W KDF 10 9.4 10.6 15 5.0 70 1.0 0.2 7.0 4.5 8.0
AZ23C18W KDL 18 16.8 19.1 50 5.0 170 1.0 0.1 12.6 12.4 16.0

Notes: 1. Mounted on FR4 PC Board with recommended pad layout at http://www.diodes.com/datasheets/ap02001.pdf.

Marking

Code

2. Short duration pulse test used to minimize self-heating.

3. f = 1KHz.

4. No purposefully added lead.

5. Diodes Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

6. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.

AZ23C5V6W, AZ23C6V8W,
AZ23C10W, AZ23C18W

Document number: DS30257 Rev. 9 - 2

Range (Note 2)

Nom (V) Min (V) Max (V)

= 25°C unless otherwise specified

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Z @ IZT

PD

R

JA

θ

T

J, TSTG

Maximum Zener Impedance

ZZT @ IZT Z

Ω

www.diodes.com

(Note 3)

mA

1 of 3

ZK @ IZK

Ω

0.9 V

200 mW
625 °C/W

-65 to +150

Maximum Reverse

Current (Note 2)

IR @ VR TC (mV/°C)

mA

μA

V Min Max

°C

Temperature

Coefficient of

Zener Voltage

@ IZT = 5mA

© Diodes Incorporated

May 2008

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P, P

OWER

PATIO

NER CUR

REN

T

R CUR

RENT

Z23C5V6W, AZ23C6V8W, AZ23C10W, AZ23C18

50

300

40

N (mW)

200

DISSI

100

D

0

0

T , AMBIENT TEMPERATURE, (°C)

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Fig. 1 Power Derating Curve

30

T = 25°C

(mA)

20

C10W

J

100

200

(mA)

30

20

Z

I, ZE

10

0

01 23 4 5 6

V , ZENER VOLTAGE (V)

Z

Fig. 2 Typical Zen er Break down Char ac t eristics

1,000

V = 1V

R

V = 2V

R

891

7

T = 25 °C

J

0

C18W

100

V = 1V

R

10

Test current I

Z

I, ZENE

0

0

Fig. 3 Typical Zener Breakdown Characteristics

Z

5mA

10 20 30 40

V , ZENER VOLTAGE (V)

Z

T

C , TOT AL CAPACITANCE (pF)

10

V , NOMINAL ZENER VOL TAGE (V)

Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage

Z

V = 2V

R

10

1001

Ordering Information (Notes 6 & 7)

Part Number Case Packaging

(Type Number)-7-F* SOT-323 3000/Tape & Reel

* Add “-7-F” to the appropriate type number in Electrical Characteristics Table from Page 1 example: 6.8V Zener = AZ23C6V8W-7-F.
Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

xxx

Date Code Key

Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2111 2012

Code J K L M N P R S T U V W X Y Z

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Code 1 2 3 4 5 6 7 8 9 O N D

AZ23C5V6W, AZ23C6V8W,
AZ23C10W, AZ23C18W

Document number: DS30257 Rev. 9 - 2

xxx = Product Type Marking Code
See Electrical Characteristics Table
YM = Date Code Marking

YM

Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)

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© Diodes Incorporated

May 2008