Fairchild MMSZ4689 Zener Diode Data Handbook
Summary
Discover the MMSZ4689 compact surface mount Zener diode for reliable, half-watt voltage regulation. Encased in the space-saving SOD-123 package, this component offers a convenient leadless alternative to traditional mini-melf devices. This comprehensive manual details all electrical characteristics, absolute maximum ratings, and precise dimensions required for integration into modern PCB designs. Ideal for electronic engineers and circuit designers seeking high performance and minimal footprint stability in their voltage regulation circuits.
Page 1 Text Content
SZ4689
MMSZ4689
General Description Features Half watt, General purpose, Medium Current Surface Compact surface mount with same footprint as mini-melf Mount Zener in the SOD-123 package. The SOD-123 500m W rating on FR-4 or FR-5 board. package has the same footprint as the glass mini-melf (LL- Class 3 ESD rating (>16k V) per Human Body Model 34) package & provides a convenient alternative to the Leadless package.
Ordering 7 inch reel (178mm); 8mm Tape; 3,000 units per reel.
Absolute Maximum Ratings (note 1) TA=25°C unless otherwise noted Symbol Parameter Value Units TSTG Storage Temperature -55 ~ 150 °C
TJ Maximum Junction Temperature -55 ~ 150 °C PD Total Power Dissipation at 25°C m W Derate above 25°C 6.7 m W/°C
RQJA Thermal Resistance Junction to Ambient °C/W
RQJL Thermal Resistance Junction to Lead °C/W
∆VZ Maximum Voltage Change (note 2) m V Lead Solder Temperature (Max 10 second duration) °C
Nominal Zener Voltage (VZ) at 50µA 5.1
Note 1: These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Note 2: Voltage change is equal to the difference between VZ at 100µA and VZ at 10µA.
Top Mark: CU 1: Cathode 2: Anode
Electrical Characteristics TA=25°C unless otherwise noted Symbol Characteristics Test Conditions Min. Max. Units VZ Zener Voltage IZT = 50µA D.C 4.85 5.36
IR Reverse Leakage VR = 3.0V µA VF Forward Voltage IF = 10m A m V
∆VZ Delta Zener Voltage (Note 2) IZT = 100µA to 10µA m V
©2003 Fairchild Semiconductor Corporation MMSZ4689, Rev. A
Page Summary Contents For Fairchild MMSZ4689 Zener Diode Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 3 |
| File Size | 79.65 KB |
| Published | June 03, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What package type is the MMSZ4689 in, and what does its footprint match?
It is housed in the SOD-123 package, providing a convenient leadless alternative with the same footprint as the glass mini-melf.
What is the maximum operational temperature range for this device?
The Maximum Junction Temperature (TJ) range is rated from -55 to 150°C.
How are these components typically ordered regarding packaging and quantity?
They are supplied in a 7-inch reel utilizing 8mm tape, containing 3,000 units per reel.
Can this component be used as a critical part in life support systems?
No, the product is not authorized for use in life support devices without express written approval from Fairchild Semiconductor.