BZX84B4V7LT1,
BZX84C2V4LT1 Series
Zener Voltage Regulators
225 mW SOT−23 Surface Mount
This series of Zener diodes is offered in the convenient, surface
mount plastic SOT−23 package. These devices are designed to provide
voltage regulation with minimum space requirement. They are well
suited for applications such as cellular phones, hand held portables,
and high density PC boards.
http://onsemi.com
3
1
Cathode
Anode
Features
• Pb−Free Packages are Available
• 225 mW Rating on FR−4 or FR−5 Board
• Zener Breakdown Voltage Range − 2.4 V to 75 V
• Package Designed for Optimal Automated Board Assembly
• Small Package Size for High Density Applications
• ESD Rating of Class 3 (>16 KV) per Human Body Model
• Tight Tolerance Series Available (See Page 4)
3
SOT−23
CASE 318
STYLE 8
1
2
MARKING DIAGRAM
Mechanical Characteristics
CASE: Void-free, transfer-molded, thermosetting plastic case
FINISH: Corrosion resistant finish, easily Solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260°C for 10 Seconds
xxxM
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
xxx = Specific Device Code
M
=Month Code
ORDERING INFORMATION
MAXIMUM RATINGS
†
Rating
Symbol
Max
Unit
Device*
Package
Shipping
Total Power Dissipation on FR−5 Board,
P
BZX84CxxxLT1
SOT−23
3000/Tape & Reel
3000/Tape & Reel
D
(Note 1) @ T = 25°C
225
1.8
556
mW
mW/°C
°C/W
A
BZX84CxxxLT1G SOT−23
(Pb−Free)
Derated above 25°C
Thermal Resistance, Junction−to−Ambient
R
q
JA
BZX84CxxxLT3
BZX84BxxxLT1
SOT−23 10,000/Tape & Reel
Total Power Dissipation on Alumina
P
D
SOT−23
3000/Tape & Reel
3000/Tape & Reel
Substrate, (Note 2) @ T = 25°C
300
2.4
417
mW
mW/°C
°C/W
A
Derated above 25°C
Thermal Resistance, Junction−to−Ambient
BZX84BxxxLT1G SOT−23
(Pb−Free)
R
q
JA
Junction and Storage
Temperature Range
T , T
−65 to
+150
°C
BZX84BxxxLT3
SOT−23 10,000/Tape & Reel
J
stg
*The “T1” suffix refers to an 8 mm, 7 inch reel.
The “T3” suffix refers to an 8 mm, 13 inch reel.
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits
are exceeded, device functional operation is not implied, damage may occur
and reliability may be affected.
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
1. FR−5 = 1.0 X 0.75 X 0.62 in.
2. Alumina = 0.4 X 0.3 X 0.024 in., 99.5% alumina.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
Semiconductor Components Industries, LLC, 2004
1
Publication Order Number:
December, 2004 − Rev. 8
BZX84C2V4LT1/D