Document
MMBZ5221B - MMBZ5259B
350mW SURFACE MOUNT ZENER DIODE
Features
Planar Die Construction 350mW Power Dissipation on FR-4 PCB Ideally Suited for Automated Assembly Processes Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) For automotive applications requiring specific change
control (i.e.: parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please refer to the related automotive grade (Q-suffix) part. A listing can be found at https://www.diodes.com/products/automotive/automotiveproducts/. This part is qualified to JEDEC standards (as references in AEC-Q) for High Reliability. https://www.diodes.com/quality/product-definitions/
Mechanical Data
Package: SOT23 Package Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminal Connections: See Diagram Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208 Weight: 0.008 grams (Approximate)
SOT23
Top View
Device Schematic
Ordering Information (Notes 4, 5)
Orderable Part Number
(Type Number)-7-F* (Type Number)Q-7-F* (Type Number)-13-F* (Type Number)Q-13-F*
Package
SOT23 SOT23 SOT23 SOT23
Qty. 3,000 3,000 10,000 10,000
Packing
Carrier Tape & Reel Tape & Reel Tape & Reel Tape & Reel
* Add “-7-F” to the appropriate type number in Electrical Characteristics Table from Page 2. Example: 6.2V Zener = MMBZ5234B-7-F.
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds. 4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/. 5. Selected voltages are available on 13" reels (10,000 devices per reel). Add “-13-F” to the appropriate type number in Electrical Characteristics Table from
Page 2. Example: 6.2V Zener = MMBZ5234B-13-F. Please contact your Diodes Incorporated sales representative for availability.
MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 26 - 2
1 of 7 www.diodes.com
March 2023
© 2023 Copyright Diodes Incorporated. All Rights Reserved.
Marking Information
MMBZ5221B - MMBZ5259B
Kxx Dxx
YM
K/D = SAT (Shanghai Assembly / Test site) xx = Product Type Marking Code
See Electrical Characteristics Table YM = Date Code Marking Y = Year (ex: I = 2021) M = Month (ex: 9 = September)
For MMBZ5234B-7-F & MMBZ5245B-7-F only: Assembly/Test in Shanghai or Chuzhou M or M = Month (ex: 9 = September)
Cxx
YM
C = CAT (Chengdu Assembly / Test site) xx = Product Type Marking Code
See Electrical Characteristics Table YM = Date Code Marking Y = Year (ex: K = 2023) M = Month (ex: 9 = September)
YM
Date Code Key Year Code
Month Code
2014 B
Jan 1
…… ……
Feb 2
2021 I
Mar 3
2022 J
Apr 4
2023 K
May 5
2024 L
Jun 6
2025 M
Jul 7
2026 N
Aug 8
2027 O
Sep 9
2028 P
Oct O
2029 R
Nov N
2030 S
Dec D
Maximum Ratings (@ TA = +25°C, unless otherwise specified.)
Characteristic Forward Voltage @ IF = 10mA
Symbol VF
Value 0.9
Unit V
Thermal Characteristics
Characteristic Power Dissipation (Note 6) Thermal Resistance, Junction to Ambient Air (Note 6) Operating and Storage Temperature Range
Symbol PD RθJA
TJ, TSTG
Value 350 357
-65 to +150
Unit mW °C/W °C
Note:
6. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http://www.diodes.com/package-outlines.html.
MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 26 - 2
2 of 7 www.diodes.com
March 2023
© 2023 Copyright Diodes Incorporated. All Rights Reserved.
MMBZ5221B - MMBZ5259B
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Type Number
Type Code
Zener Voltage Range (Note 7)
VZ @ IZT
IZT
Nom (V)
Min (V)
Max (V)
mA
MMBZ5221B
C1
2.4
2.28
2.52
20
MMBZ5222B
C2
2.5
2.38
2.63
20
MMBZ5223B
C3
2.7
2.57
2.84
20
MMBZ5225B
C5
3.0
2.85
3.15
20
MMBZ5226B
G1
3.3
3.14
3.47
20
MMBZ5227B
G2
3.6
3.42
3.78
20
MMBZ5228B
G3
3.9
3.71
4.10
20
MMBZ5229B
G4
4.3
4.09
4.52
20
MMBZ5230B
G5
4.7
4.47
4.94
20
MMBZ5231B
E1
5.1
4.85
5.36
20
MMBZ5232B
E2
5.6
5.32
5.88
20
MMBZ5233B
E3
6.0
5.70
6.30
20
MMBZ5234B
E4
6.2
5.89
6.51
20
MMBZ5235B
E5
6.8
6.46
7.14
20
MMBZ5236B
F1
7.5
7.13
7.88
20
MMBZ5237B
F2
8.2
7.79
8.61
20
MMBZ5238B
F3
8.7
8.27
9.14
20
MMBZ5239B
F4
9.1
8.65
9.56
20
MMBZ5240B
F5
10
9.50
10.50
20
MMBZ5241B
H1
11
10.45
11.55
20
MMB.