Rev. A/JJ 2007
-
06
-
15
MMBZ5225B-MMBZ5267B
350mW Surface Mount
Zener Diodes
TAITRON COMPONEN
T
S INCORPORATED www.taitroncomponents.com
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8766 (661)
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350mW Surface Mount Zener Diodes
Features
• Planar Die construction
• 350mW Power Dissipation
• Standard Zener Voltage Tolerance is ± 5 %
• Ideally Suited for Automated Assembly Processes
• High temperature soldering guaranteed: 260 °C / 10 seconds
in reflow solde ring process
• RoHS compliant
Mechanical Data
Case: SOT-23, Molded Plastic
Terminals: Solderable per MIL-STD-202G, Method 208,
Weight: 0.008 grams
Maximum Ratings & Electrical Characteristics
(T
Ambient
=25ºC unless noted otherwise)
Symbol Description Value Unit Conditions
PD Power Dissipation above 25° C 350 mW On Alumina heat sink
with 4mm lead length
VF Forward Voltage 0.9 V IF= 10mA
TJ Max. Junction Temperature 150 ° C
TSTG Storage Temperature Range -55 to +150 ° C
SOT-23
350mW Surface Mount Zener Diodes
MMBZ5225B-MMBZ5267B
Rev. A/JJ 2007
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06
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www.taitroncomponents.com Page 2
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Normal Zener Voltage Max. Zener impedance Max. reverse
leakage current
VZ @ IZT ZZT @ IZT Zzk @ Izk ID @ VR
P/N Marking
Code
Nom.
(
V
)
Min.
(
V
)
Max.
(
V
)
IZT
(
mA
)
Ω Ω m
A
µ
A
V
R
(
V
)
MMBZ5225B 18E 3.0 2.85 3.15 20.0 30.0 1600 0.25 50.0 1.0
MMBZ5226B 8A 3.3 3.14 3.47 20.0 28.0 1600 0.25 25.0 1.0
MMBZ5227B 8B 3.6 3.42 3.78 20.0 24.0 1700 0.25 15.0 1.0
MMBZ5228B 8C 3.9 3.71 4.10 20.0 23.0 1900 0.25 10.0 1.0
MMBZ5229B 8D 4.3 4.09 4.52 20.0 22.0 2000 0.25 5.0 1.0
MMBZ5230B 8E 4.7 4.47 4.94 20.0 19.0 1900 0.25 5.0 2.0
MMBZ5231B 8F 5.1 4.85 5.36 20.0 17.0 1600 0.25 5.0 2.0
MMBZ5232B 8G 5.6 5.32 5.88 20.0 11.0 1600 0.25 5.0 3.0
MMBZ5233B 8H 6.0 5.70 6.30 20.0 7.0 1600 0.25 5.0 3.5
MMBZ5234B 8J 6.2 5.89 6.51 20.0 7.0 1000 0.25 5.0 4.0
MMBZ5235B 8K 6.8 6.46 7.14 20.0 5.0 750 0.25 3.0 5.0
MMBZ5236B 8L 7.5 7.13 7.88 20.0 6.0 500 0.25 3.0 6.0
MMBZ5237B 8M 8.2 7.79 8.61 20.0 8.0 500 0.25 3.0 6.5
MMBZ5238B 8N 8.7 8.27 9.14 20.0 8.0 600 0.25 3.0 6.5
MMBZ5239B 8P 9.1 8.65 9.56 20.0 10.0 600 0.25 3.0 7.0
MMBZ5240B 8Q 10 9.50 10.50 20.0 17.0 600 0.25 3.0 8.0
MMBZ5241B 8R 11 10.45 11.55 20.0 22.0 600 0.25 2.0 8.4
MMBZ5242B 8S 12 11.40 12.60 20.0 30.0 600 0.25 1.0 9.1
MMBZ5243B 8T 13 12.35 13.65 9.5 13.0 600 0.25 0.5 9.9
MMBZ5244B 8U 14 13.30 14.70 9.0 15.0 600 0.25 0.1 10.0
MMBZ5245B 8V 15 14.25 15.75 8.5 16.0 600 0.25 0.1 11.0
MMBZ5246B 8W 16 15.20 16.80 7.8 17.0 600 0.25 0.1 12.0
MMBZ5247B 8X 17 16.15 17.85 7.4 19.0 600 0.25 0.1 13.0
MMBZ5248B 8Y 18 17.10 18.90 7.0 21.0 600 0.25 0.1 14.0
MMBZ5249B 8Z 19 18.05 19.95 6.6 23.0 600 0.25 0.1 14.0
MMBZ5250B 81A 20 19.00 21.00 6.2 25.0 600 0.25 0.1 15.0
MMBZ5251B 81B 22 20.90 23.10 5.6 29.0 600 0.25 0.1 17.0
MMBZ5252B 81C 24 22.80 25.20 5.2 33.0 600 0.25 0.1 18.0
MMBZ5253B 81D 25 23.75 26.25 5.0 35.0 600 0.25 0.1 19.0
MMBZ5254B 81E 27 25.65 28.35 4.6 41.0 600 0.25 0.1 21.0
MMBZ5255B 81F 28 26.60 29.40 4.5 44.0 600 0.25 0.1 21.0
MMBZ5256B 81G 30 28.50 31.50 4.2 49.0 600 0.25 0.1 23.0
350mW Surface Mount Zener Diodes
MMBZ5225B-MMBZ5267B
Rev. A/JJ 2007
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06
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Ambient Temperature Ta (°C)
Fig.1 Power Derating Curve Zener Voltage (V)
Fig.2 Breakdown Characteristic
Normal Zener Voltage Max. Zener impedance Max. reverse
leakage current
VZ @ IZT ZZT @ IZT Zzk @ Izk ID @ VR
P/N Marking
Code
Nom. (V) Min. (V) Max. (V) IZT (mA) Ω Ω mA µA VR (V)
MMBZ5257B 81H 33 31.35 34.65 3.8 58.0 700 0.25 0.1 25.0
MMBZ5258B 81J 36 34.20 37.80 3.4 70.0 700 0.25 0.1 27.0
MMBZ5259B 81K 39 37.05 40.95 3.2 80.0 800 0.25 0.1 30.0
MMBZ5260B 81F 43 40.85 45.15 3.0 93.0 900 0.25 0.1 33.0
MMBZ5261B 81M 47 44.65 49.35 2.7 105.0 1000 0.25 0.1 36.0
MMBZ5262B 81N 51 48.45 53.55 2.5 125.0 1100 0.25 0.1 39.0
MMBZ5263B 81P 56 53.20 58.80 2.2 150.0 1300 0.25 0.1 43.0
MMBZ5264B 81Q 60 57.00 63.00 2.1 170.0 1400 0.25 0.1 46.0
MMBZ5265B 81R 62 58.90 65.10 2.0 185.0 1400 0.25 0.1 47.0
MMBZ5266B 81S 68 64.60 71.40 1.8 230.0 1600 0.25 0.1 52.0
MMBZ5267B 81T 75 71.25 78.75 1.7 270.0 1700 0.25 0.1 56.0
Characteristics Curves
PD Max. Power Dissipation (mW)
Iz Zener Current (mA)
350mW Surface Mount Zener Diodes
MMBZ5225B-MMBZ5267B
Rev. A/JJ 2007
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06
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Zener Voltage (V)
Fig.3 Breakdown Characteristic
Dimensions in inches (mm)
Iz Zener Current (mA)
SOT-23
350mW Surface Mount Zener Diodes
MMBZ5225B-MMBZ5267B
Rev. A/JJ 2007
-
06
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15
www.taitroncomponents.com Page 5
of 5
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