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A
pril 30,2023-REV.05
BZM5221B SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE
2.4 to 68 Volts
POWER
500 mWatts
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• Lead free in comply with EU RoHS 2011/65/EU directives
MECHANICAL DATA
• Case: Molded Glass MICRO-MELF
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: See Diagram Below
• Approx. Weight: 0.008 grams
• Mounting Position: Any
• Packing information
Parameter Symbol Value Units
Power Dissipation at T
A
= 25
O
C
P
TOT
500 mW
Junction Temperature
T
J
175
O
C
Storage Temperature Range
T
S
-65 to +175
O
C
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
Parameter Symbol Min. Typ. Max. Units
Thermal Resistance Junction to Ambient Air R
JA
-- -- 0.3
o
C/mW
Forward Voltage at I
F
= 200mA V
F
-- --
1.1
V
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
0.043(1.1)
0.008(0.2)
0.079(2.0)
0.071(1.8)
0.008(0.2)
0.040(1.0)
0.048(1.2)DIA.
T/R - 3K per 7" plastic reel
T/R - 10K per 13”
plastic reel
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ
=25°C unless otherwise noted)
PAGE . 2
BZM5221B SERIES
Notes.
STANDARD VOLTAGE TOLERANCE IS + 5% AND :
SUFFIX “ A” FOR + 3%
SUFFIX “ B” FOR + 5%
SUFFIX “ C” FOR + 10%
SUFFIX “ D” FOR + 20%
Part Number
Nominal Zener Voltage Max. Zener Impedance
Max Reverse
Leakage Current
V
Z
@
I
ZT
Z
ZT
@
I
ZT
Z
ZK
@
I
ZK
I
R
@
V
R
Nom. V Min. V Max. V mA mA A V
BZM5221B 2.4 2.28 2.52 30 20 1200 0.25 100 1
BZM5222B 2.5 2.38 2.63 30 20 1250 0.25 100 1
BZM5223B 2.7 2.57 2.84 30 20 1300 0.25 75 1
BZM5224B 2.8 2.66 2.94 30 20 1400 0.25 75 1
BZM5225B 3.0 2.85 3.15 29 20 1600 0.25 50 1
BZM5226B 3.3 3.14 3.47 28 20 1600 0.25 25 1
BZM5227B 3.6 3.42 3.78 24 20 1700 0.25 15 1
BZM5228B 3.9 3.71 4.1 23 20 1900 0.25 10 1
BZM5229B 4.3 4.09 4.52 22 20 2000 0.25 5 1
BZM5230B 4.7 4.47 4.94 19 20 1900 0.25 5 2
BZM5231B 5.1 4.85 5.36 17 20 1600 0.25 5 2
BZM5232B 5.6 5.32 5.88 11 20 1600 0.25 5 3
BZM5233B 6.0 5.7 6.3 7 20 1600 0.25 5 3.5
BZM5234B 6.2 5.89 6.51 7 20 1000 0.25 5 4
BZM5235B 6.8 6.46 7.14 5 20 750 0.25 3 5
BZM5236B 7.5 7.13 7.88 6 20 500 0.25 3 6
BZM5237B 8.2 7.79 8.61 8 20 500 0.25 3 6.5
BZM5238B 8.7 8.27 9.14 8 20 600 0.25 3 6.5
BZM5239B 9.1 8.65 9.56 10 20 600 0.25 3 7
BZM5240B 10 9.5 10.5 17 20 600 0.25 3 8
April 30,2023-REV.05