DS30184 Rev. 6 - 2 1 of 3 MMBZ5221BTS - MMBZ5259BTS
www.diodes.com ã Diodes Incorporated
MMBZ5221BTS - MMBZ5259BTS
TRIPLE SURFACE MOUNT ZENER DIODE ARRAY
·Three Isolated Zeners in Ultra-Small Surface Mount
Package
·Ideally Suited for Automated Assembly Processes
·Available in Lead Free/RoHS Compliant Version
(Note 3)
Features
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Forward Voltage (Note 2) @ IF = 10mA VF0.9 V
Power Dissipation (Note 1) Pd200 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RqJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Notes: 1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
3. No purposefully added lead.
·Case: SOT-363
·Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
·Moisture Sensitivity: Level 1 per J-STD-020C
·Terminals: Solderable per MIL-STD-202, Method 208
·Also Available in Lead Free Plating (Matte Tin Finish
annealed over Alloy 42 leadframe). Please see Ordering
Information, Note 6, on Page 2
·Orientation: See Diagram
·Marking: Marking Code (See Table on Page 2)
·Weight: 0.006 grams (approx.)
Mechanical Data
A
M
JL
D
BC
H
K
G
F
KXX YM
C3
C1C2
A2A3
A1
TCUDORPWEN
SOT-363
Dim Min Max
A0.10 0.30
B1.15 1.35
C2.00 2.20
D0.65 Nominal
F0.30 0.40
H1.80 2.20
J¾0.10
K0.90 1.00
L0.25 0.40
M0.10 0.25
a0°8°
All Dimensions in mm
SPICE MODELS: MMBZ5221BTS MMBZ5223BTS MMBZ5225BTS MMBZ5226BTS MMBZ5227BTS MMBZ5228BTS MMBZ5229BTS 
MMBZ5230BTS MMBZ5231BTS MMBZ5232BTS MMBZ5233BTS MMBZ5234BTS MMBZ5235BTS MMBZ5236BTS MMBZ5237BTS 
MMBZ5238BTS MMBZ5239BTS MMBZ5240BTS MMBZ5241BTS MMBZ5242BTS MMBZ5243BTS MMBZ5245BTS MMBZ5246BTS 
MMBZ5248BTS MMBZ5250BTS MMBZ5251BTS MMBZ5252BTS MMBZ5254BTS MMBZ5255BTS MMBZ5256BTS MMBZ5257BTS 
MMBZ5258BTS MMBZ5259BTS
DS30184 Rev. 6 - 2 2 of 3 MMBZ5221BTS - MMBZ5259BTS
www.diodes.com
Type
Number
Marking
Code
Zener Voltage Range (Note 2) Maximum Zener
Impedance (Note 4)
Maximum Reverse
Leakage Current (Note 2)
VZ @ IZT IZT ZZT @I
ZT ZZK @ IZK
= 0.25mA I
R@V
R
Nom (V) Min (V) Max (V) mA WmAV
MMBZ5221BTS KSB 2.4 2.28 2.52 20 30 1200 100 1.0
MMBZ5223BTS KSC 2.7 2.57 2.84 20 30 1300 75 1.0
MMBZ5225BTS KSD 3.0 2.85 3.15 20 30 1600 50 1.0
MMBZ5226BTS KSE 3.3 3.14 3.47 20 28 1600 25 1.0
MMBZ5227BTS KSF 3.6 3.42 3.78 20 24 1700 15 1.0
MMBZ5228BTS KSG 3.9 3.71 4.10 20 23 1900 10 1.0
MMBZ5229BTS KSH 4.3 4.09 4.52 20 22 2000 5.0 1.0
MMBZ5230BTS KS1 4.7 4.47 4.94 20 19 1900 5.0 2.0
MMBZ5231BTS KS2 5.1 4.85 5.36 20 17 1600 5.0 2.0
MMBZ5232BTS KS3 5.6 5.32 5.88 20 11 1600 5.0 3.0
MMBZ5233BTS KRF 6.0 5.70 6.30 20 7 1600 5.0 3.5
MMBZ5234BTS KS4 6.2 5.89 6.51 20 7 1000 5.0 4.0
MMBZ5235BTS KS5 6.8 6.46 7.14 20 5 750 3.0 5.0
MMBZ5236BTS KS6 7.5 7.13 7.88 20 6 500 3.0 6.0
MMBZ5237BTS KS7 8.2 7.79 8.61 20 8 500 3.0 6.5
MMBZ5238BTS KRG 8.7 8.27 9.14 20 8 600 3.0 6.5
MMBZ5239BTS KS8 9.1 8.65 9.56 20 10 600 3.0 7.0
MMBZ5240BTS KS9 10 9.50 10.50 20 17 600 3.0 8.0
MMBZ5241BTS KR1 11 10.45 11.55 20 22 600 2.0 8.4
MMBZ5242BTS KR2 12 11.40 12.60 20 30 600 1.0 9.1
MMBZ5243BTS KR3 13 12.35 13.65 9.5 13 600 0.5 9.9
MMBZ5245BTS KR4 15 14.25 15.75 8.5 16 600 0.1 11
MMBZ5246BTS KR5 16 15.20 16.80 7.8 17 600 0.1 12
MMBZ5248BTS KR6 18 17.10 18.90 7.0 21 600 0.1 14
MMBZ5250BTS KR7 20 19.00 21.00 6.2 25 600 0.1 15
MMBZ5251BTS KR8 22 20.90 23.10 5.6 29 600 0.1 17
MMBZ5252BTS KR9 24 22.80 25.20 5.2 33 600 0.1 18
MMBZ5254BTS KRA 27 25.65 28.35 5.0 41 600 0.1 21
MMBZ5255BTS KRH 28 26.60 29.40 4.5 44 600 0.1 21
MMBZ5256BTS KRB 30 28.50 31.50 4.2 49 600 0.1 23
MMBZ5257BTS KRC 33 31.35 34.65 3.8 58 700 0.1 25
MMBZ5258BTS KRD 36 34.20 37.80 3.4 70 700 0.1 27
MMBZ5259BTS KRE 39 37.05 40.95 3.2 80 800 0.1 30
Electrical Characteristics @ TA = 25°C unless otherwise specified
Notes: 2. Short duration test pulse used to minimize self-heating effect.
4. f = 1KHz.
TCUDORPWEN
* Add “-7” to the appropriate type number in Electrical Characteristics Table above, example: 6.2V Zener = MMBZ5234BTS-7.
Notes: 5. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
6. For Lead Free/RoHS compliant version part number, please add "-F" suffix to part number above.
Example: MMBZ5259BTS-7-F.
Device Packaging Shipping
(Type Number)-7* SOT-363 3000/Tape & Reel
(Note 5)
Ordering Information
DS30184 Rev. 6 - 2 3 of 3 MMBZ5221BTS - MMBZ5259BTS
www.diodes.com
0
0.1
0.2
0.3
0.4
25
0
50 75 100 125
150
P,P
O
WER DISSIPATI
O
N(W)
D
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1 Power Dissipation vs Ambient Temperature
1
10
100
1000
110100
C,T
O
TAL CAPACITANCE (pF)
T
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 2 Typical Capacitance
0V BIAS
1
10
100
1000
1 10 100
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 3 Zener Voltage vs. Zener Impedence
I = 1.0mA
Z
1
10
100
110 100
P , PEAK SURGE POWER (W)
PK
PULSE WIDTH (ms)
Fi
g
. 4 Maximum Non-repetitive Sur
g
e Power
1000
TCUDORPWEN
Marking Information
KXX YM
KXX = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
Date Code Key
Year 2002 2003 2004 2005 2006 2007 2008 2009
Code NPR
STUVW
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND