Datasheet

UNISONIC TECHNOLOGIES CO., LTD
AZ23C
Preliminary
DIODE
VOLTAGE REGULATOR
DOUBLE DIODES

DESCRIPTION
The UTC AZ23C is a voltage regulator double diode, it uses
UTC’s advanced technology to provide the customers with low
leakage current.
The UTC AZ23C is suitable for ESD and surge protection.

FEATURES
* Low leakage current

SYMBOL

ORDERING INFORMATION
Ordering Number
AZ23CXXXG-AL3-R
Note: Pin Assignment: A: Anode
K: Cathode

Package
1
K
SOT-323
Pin Assignment
2
3
K
A
Packing
Tape Reel
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
SOT-323
5.1: 5.1V
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
MARKING
ZXXXG
Voltage Code
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QW-R203-051.a
AZ23C

Preliminary
DIODE
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C, unless otherwise specified)
PARAMETER
Continuous Forward Current
TST CONDITIONS
On-Repetitive Peak Reverse Current
Total Power Dissipation (Note 1)
SYMBOL
IF
RATINGS
200
IZSM
See TABLE 1
PD
350
180
tP=100us,square wave,
TA=25°C, prior to surge
TA=25°C, 2 diodes loaded
TA=25°C, 1 diode loaded
tP=100us, square wave,
TA=25°C, prior to surge
UNIT
mA
mW
mW
Non-Repetitive Peak Reverse
PZSM
40
W
Dissipation
Operating Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
-65~+150
°C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. Device mounted on an FR4 printed-circuit board

THERMAL CHARACTERISTICS
PARAMETER
SYMBOL
Junction to Ambient
θJA
TST CONDITIONS
2 diodes loaded (Note 2)
1 diodes loaded (Note 2)
RATINGS
355
680
UNIT
K/W
K/W
Notes: 1. Solder points on cathode tabs.
2. Device mounted on a FR4 printed-circuit board.

ELECTRICAL CHARACTERISTICS (TJ = 25 °C, unless otherwise specified)
Device
Marking
Code
Nominal Zener
Voltage
VZ @ IZT (V)
Max Zener Impedance
ZZT @ IZT
ZZT @ IZT
MIN
TYP MAX
(Ω)
(mA)
(Ω)
AZ23C5V1
5.1
4.8
5.1
5.4
480
1
60
Note: Short duration pulse test used to minimize self-heating effect.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
(mA)
5
Diode
CAP.
Cd (pF)
f=1 MHz,
VR=0V
MAX
300
Non-Rep
etitive
Peak
Reverse
Curren
IZSM(A)
tp=100μs
TA=25°C
MAX
6.0
Max
Reverse
Leakage
Current
(μA)
IR @ VR
(uA)
2
(V)
2
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AZ23C
Preliminary
DIODE
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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