AiT Semiconductor Inc.
MMSZ5221B_BQ
~MMSZ5272B_BQ
www.ait-ic.com
ZENER DIODE
500mW, 2.4V TO 110V ZENER VOLTAGE REFULATORS
REV1.0 - JAN 2023 RELEASED - - 1 -
DESCRIPTION
MECHANICAL DATA
The MMSZ5221B_BQ~MMSZ5272B_BQ are
available in SOD-123 Package.
Q-Suffix for Automotive and AEC-Q101 qualified
⚫ Case: SOD-123
⚫ 500 mW Rating on FR−4 or FR−5 Board
⚫ Wide Zener Reverse Voltage Range 2.4 V to 110 V
⚫ ESD Rating of Class 3 (>16 kV) per HBM
⚫ Plastic case
⚫ Maximum case temperature for soldering
purposes: 260°C for 10 Seconds
⚫ Polarity: Cathode indicated by polarity band
⚫ Flammability rating: UL 94 V−0
PIN DESCRIPTION
ORDERING INFORMATION
Package Type
Part Number
SOD-123
MMSZ5221B
MMSZ5246B
MMSZ5222B
MMSZ5247B
MMSZ5223B
MMSZ5248B
MMSZ5224B
MMSZ5250B
MMSZ5225B
MMSZ5251B
MMSZ5226B
MMSZ5252B
MMSZ5227B
MMSZ5253B
MMSZ5228B
MMSZ5254B
MMSZ5229B
MMSZ5255B
MMSZ5230B
MMSZ5256B
MMSZ5231B
MMSZ5257B
MMSZ5232B
MMSZ5258B
MMSZ5233B
MMSZ5259B
MMSZ5234B
MMSZ5260B
MMSZ5235B
MMSZ5261B
MMSZ5236B
MMSZ5262B
MMSZ5237B
MMSZ5263B
MMSZ5238B
MMSZ5264B
MMSZ5239B
MMSZ5265B
MMSZ5240B
MMSZ5266B
MMSZ5241B
MMSZ5267B
MMSZ5242B
MMSZ5268B
MMSZ5243B
MMSZ5269B
MMSZ5244B
MMSZ5270B
MMSZ5245B
MMSZ5272B
Note
SPQ: 3,000pcs/Reel
AiT provides all RoHS Compliant Products
Package Type
Part Number
SOD-123
AEC-Q
MMSZ5221BQ
MMSZ5246BQ
MMSZ5222BQ
MMSZ5247BQ
MMSZ5223BQ
MMSZ5248BQ
MMSZ5224BQ
MMSZ5250BQ
MMSZ5225BQ
MMSZ5251BQ
MMSZ5226BQ
MMSZ5252BQ
MMSZ5227BQ
MMSZ5253BQ
MMSZ5228BQ
MMSZ5254BQ
MMSZ5229BQ
MMSZ5255BQ
MMSZ5230BQ
MMSZ5256BQ
MMSZ5231BQ
MMSZ5257BQ
MMSZ5232BQ
MMSZ5258BQ
MMSZ5233BQ
MMSZ5259BQ
MMSZ5234BQ
MMSZ5260BQ
MMSZ5235BQ
MMSZ5261BQ
MMSZ5236BQ
MMSZ5262BQ
MMSZ5237BQ
MMSZ5263BQ
MMSZ5238BQ
MMSZ5264BQ
MMSZ5239BQ
MMSZ5265BQ
MMSZ5240BQ
MMSZ5266BQ
MMSZ5241BQ
MMSZ5267BQ
MMSZ5242BQ
MMSZ5268BQ
MMSZ5243BQ
MMSZ5269BQ
MMSZ5244BQ
MMSZ5270BQ
MMSZ5245BQ
MMSZ5272BQ
Note
SPQ: 3,000pcs/Reel
AiT provides all RoHS Compliant Products
AiT Semiconductor Inc.
MMSZ5221B_BQ
~MMSZ5272B_BQ
www.ait-ic.com
ZENER DIODE
500mW, 2.4V TO 110V ZENER VOLTAGE REFULATORS
REV1.0 - JAN 2023 RELEASED - - 2 -
ABSOLUTE MAXIMUM RATINGS
T
A
= 25℃
P
D
, Total Power Dissipation on FR−5 Board,
(1)
@ T
L
= 75℃
Derated above 75℃
500mW
6.7mW/℃
R
θJA
, Typical Thermal Resistance Junction to Ambient
(2)
340℃/W
R
θJL
,Thermal Resistance, Junction−to−Lead
(2)
150℃/W
T
STG
, Storage Temperature Range
-55℃ ~ +150℃
T
J
, Junction Temperature
150℃
Stresses above may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these
or any other conditions beyond those indicated in the Electrical Characteristics are not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
(1) FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
(2) Thermal Resistance measurement obtained via infrared Scan Method.
ELECTRICAL CHARACTERISTICS
T
A
= 25℃ unless otherwise specified, V
F
= 0.9V Max@ I
F
=10mA
Symbol
Parameter
Zener Voltage Regulator
V
Z
Reverse Zener Voltage @ I
ZT
I
ZT
Reverse Current
Z
ZT
Maximum Zener Impedance @ I
ZT
I
ZK
Reverse Current
Z
ZK
Maximum Zener Impedance @ I
ZK
I
R
Reverse Leakage Current @ V
R
V
R
Reverse Voltage
I
F
Forward Current
V
F
Forward Voltage @ I
F