MMBZ5242BT (Diodes)
150mW SURFACE MOUNT ZENER DIODE

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Features
Ultra-Small Surface Mount Package
Planar Die Construction
General Purpose
Ideally Suited for Automated Assembly Processes
Lead Free/RoHS Compliant (Note 2)
"Green" Device (Note 3 and 4)
MMBZ5221BT - MMBZ5259BT
150mW SURFACE MOUNT ZENER DIODE
Mechanical Data
Case: SOT-523
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
Polarity: See Diagram
Marking Information: See Page 4
Ordering Information: See Page 4
Weight: 0.002 grams (approximate)
Top View
Maximum Ratings @TA = 25°C unless otherwise specified
Zener Current
Forward Voltage
Characteristic
(See Table on page 2)
@ IF = 10mA
Device Schematic
Symbol
VF
Value
0.9
Unit
V
Thermal Characteristics
Characteristic
Power Dissipation
Thermal Resistance, Junction to Ambient
Operating and Storage Temperature Range
(Note 1)
(Note 1)
Symbol
PD
RθJA
TJ, TSTG
Value
150
833
-65 to +150
Unit
mW
°C/W
°C
Notes:
1. Device mounted on FR-4 PC board with recommended pad layout at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead.
3. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
4. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
MMBZ5221BT - MMBZ5259BT
Document number: DS30267 Rev. 11 - 2
1 of 4
www.diodes.com
June 2008
© Diodes Incorporated


MMBZ5242BT (Diodes)
150mW SURFACE MOUNT ZENER DIODE

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MMBZ5221BT - MMBZ5259BT
Electrical Characteristics @TA = 25°C unless otherwise specified
Type
Number
Marking
Code
Zener Voltage Range
(Note 5)
VZ @ IZT
MMBZ5221BT
MMBZ5223BT
MMBZ5225BT
MMBZ5226BT
MMBZ5227BT
MMBZ5228BT
MMBZ5229BT
MMBZ5230BT
MMBZ5231BT
MMBZ5232BT
MMBZ5234BT
MMBZ5235BT
MMBZ5236BT
MMBZ5237BT
MMBZ5239BT
MMBZ5240BT
MMBZ5241BT
MMBZ5242BT
MMBZ5243BT
MMBZ5245BT
MMBZ5246BT
MMBZ5248BT
MMBZ5250BT
MMBZ5251BT
MMBZ5252BT
MMBZ5254BT
MMBZ5255BT
MMBZ5256BT
MMBZ5257BT
MMBZ5258BT
MMBZ5259BT
KC1
KC3
KC5
KG1
KG2
KG3
KG4
KG5
KE1
KE2
KE4
KE5
KF1
KF2
KF4
KF5
KH1
KH2
KH3
KH5
KJ1
KJ3
KJ5
KK1
KK2
KK4
KK5
KM1
KM2
KM3
KM4
Nom (V)
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
28
30
33
36
39
Min (V)
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
Max (V)
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
Notes:
5. Short duration pulse test used to minimize self-heating effect.
6. f = 1KHz.
Test
Current
IZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
Maximum Zener Impedance
(Note 6)
ZZT @ IZT
ZZK @ IZK
= 0.25mA
Ω
30 1200
30 1300
30 1600
28 1600
24 1700
23 1900
22 2000
19 1900
17 1600
11 1600
7.0 1000
5.0 750
6.0 500
8.0 500
10 600
17 600
22 600
30 600
13 600
16 600
17 600
21 600
25 600
29 600
33 600
41 600
44 600
49 600
58 700
70 700
80 800
Maximum Reverse
Leakage Current
(Note 5)
IR @ VR
μA V
100 1.0
75 1.0
50 1.0
25 1.0
15 1.0
10 1.0
5.0 1.0
5.0 2.0
5.0 2.0
5.0 3.0
5.0 4.0
3.0 5.0
3.0 6.0
3.0 6.5
3.0 7.0
3.0 8.0
2.0 8.4
1.0 9.1
0.5 9.9
0.1 11
0.1 12
0.1 14
0.1 15
0.1 17
0.1 18
0.1 21
0.1 21
0.1 23
0.1 25
0.1 27
0.1 30
MMBZ5221BT - MMBZ5259BT
Document number: DS30267 Rev. 11 - 2
2 of 4
www.diodes.com
June 2008
© Diodes Incorporated


MMBZ5242BT (Diodes)
150mW SURFACE MOUNT ZENER DIODE

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300
200
100
0
0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
30
Tj = 25°C 10
12
150
20
Test current IZ
10
15 Nominal Zener Voltage
18
22
27
33 36 39
0
0 10 20 30 40
VZ, ZENER VOLTAGE (V)
Fig. 3 Typical Zener Breakdown Characteristics
1,000
MMBZ5221BT - MMBZ5259BT
50
40
30
20
10
0
0 1 2 3 4 5 6 7 8 9 10
VZ, ZENER VOLTAGE (V)
Fig. 2 Typical Zener Breakdown Characteristics
1,000
100
10
1 10 100
VZ, NOMINAL ZENER VOLTAGE (V)
Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage
100
100
10
10
1
1 10 100
VZ, ZENER VOLTAGE (V)
Fig. 5 Typical Zener Impedance Characteristics
1
1 10 100 1,000
PULSE WIDTH (ms)
Fig. 6 Maximum Non-repetitive Surge Power
MMBZ5221BT - MMBZ5259BT
Document number: DS30267 Rev. 11 - 2
3 of 4
www.diodes.com
June 2008
© Diodes Incorporated


MMBZ5242BT (Diodes)
150mW SURFACE MOUNT ZENER DIODE

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Click to Download PDF File for PC

MMBZ5221BT - MMBZ5259BT
Ordering Information (Note 7)
Device
(Type Number)-7-F
Packaging
SOT-523
Shipping
3000/Tape & Reel
* Add “-7-F” to the appropriate type number in from Electrical Characteristics Table, example: 6.2V Zener = MMBZ5234BTS-7-F.
Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
Date Code Key
Year
Code
Month
Code
Kxx YM
Kxx = Product Type Marking Code
(See Electrical Characteristics Table)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
2002
N
Jan
1
2003 2004 2005 2006 2007
P RS T U
Feb Mar Apr May
2345
2008
V
Jun
6
2009
W
Jul
7
2010 2111 2012 2013 2014
XYZAB
Aug Sep Oct Nov
8 9ON
2015
C
Dec
D
Package Outline Dimensions
A
TOP VIEW B C
G
H
K
N
J
DL
Suggested Pad Layout
M
SOT-523
Dim Min Max Typ
A 0.15 0.30 0.22
B 0.75 0.85 0.80
C 1.45 1.75 1.60
D ⎯ ⎯ 0.50
G 0.90 1.10 1.00
H 1.50 1.70 1.60
J 0.00 0.10 0.05
K 0.60 0.80 0.75
L 0.10 0.30 0.22
M 0.10 0.20 0.12
N 0.45 0.65 0.50
α 0° 8°
All Dimensions in mm
Y
Z
C
XE
Dimensions
Z
X
Y
C
E
Value (in mm)
1.8
0.4
0.51
1.3
0.7
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
MMBZ5221BT - MMBZ5259BT
Document number: DS30267 Rev. 11 - 2
4 of 4
www.diodes.com
June 2008
© Diodes Incorporated




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