RB521S30T1 (ON Semiconductor)
Schottky Barrier Diode

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RB521S30T1
Schottky Barrier Diode
These Schottky barrier diodes are designed for high speed switching
applications, circuit protection, and voltage clamping. Extremely low
forward voltage reduces conduction loss. Miniature surface mount
package is excellent for hand held and portable applications where
space is limited.
Extremely Fast Switching Speed
Extremely Low Forward Voltage 0.5 V (max) @ IF = 200 mA
Low Reverse Current
MAXIMUM RATINGS
Rating
Symbol Value
Unit
Reverse Voltage
VR
Forward Current DC
IF
ESD Rating: Class 1C per Human Body Model
ESD Rating: Class C per Machine Model
30 Vdc
200 mA
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation FR−5 Board, PD 200 mW
(Note 1) TA = 25°C
Derate above 25°C
1.57 mW/°C
Thermal Resistance Junction−to−Ambient
Junction and Storage
Temperature Range
RqJA
TJ, Tstg
635
−55 to +125
°C/W
°C
1. FR−5 Minimum Pad
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted)
Characteristic
Symbol Min Typ Max Unit
Reverse Leakage
(VR = 10 V)
IR − − 30.0 mA
Forward Voltage
(IF = 200 mA)
VF − − 0.50 Vdc
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30 V SCHOTTKY
BARRIER DIODE
1
CATHODE
2
ANODE
1
2
SOD−523
CASE 502
PLASTIC
MARKING DIAGRAM
5Md
5M = Specific Device Code
d = Date Code
ORDERING INFORMATION
Device
Package
Shipping
RB521S30T1
RB521S30T5
SOD−523
SOD−523
4 mm Pitch
3000/Tape & Reel
2 mm Pitch
8000/Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2003
November, 2003 − Rev. 2
1
Publication Order Number:
RB521S30T1/D


RB521S30T1 (ON Semiconductor)
Schottky Barrier Diode

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RB521S30T1
1
100m
TA = 125°C
10m TA = 75°C
1m
100µ
10µ
1µ
0
TA = 25°C
TA = −25°C
0.1 0.2 0.3 0.4 0.5
VF, FORWARD VOLTAGE (V)
Figure 1. Forward Characteristics
10m
1m
100m
10m
1m
100n
10n
1n
0.6 0
TA = 125°C
TA = 75°C
TA = 25°C
TA = −25°C
5 10 15 20 25
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Reverse Characteristics
30
20
18
16
14
12
10
8
6
4
2
0
0 5 10 15 20 25 30
VR, REVERSE VOLTAGE (VOLTS)
Figure 3. Total Capacitance
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RB521S30T1 (ON Semiconductor)
Schottky Barrier Diode

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RB521S30T1
PACKAGE DIMENSIONS
SOD−523
PLASTIC PACKAGE
CASE 502−01
ISSUE O
−X−
A
−Y−
B
D 2 PL
0.08 (0.003) M T X Y
C
K −T−
J
SEATING
S PLANE
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M,
1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH
THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM
THICKNESS OF BASE MATERIAL.
MILLIMETERS
INCHES
DIM MIN NOM MAX MIN NOM MAX
A 1.10 1.20 1.30 0.043 0.047 0.051
B 0.70 0.80 0.90 0.028 0.032 0.035
C 0.50 0.60 0.70 0.020 0.024 0.028
D 0.25 0.30 0.35 0.010 0.012 0.014
J 0.07 0.14 0.20 0.0028 0.0055 0.0079
K 0.15 0.20 0.25 0.006 0.008 0.010
S 1.50 1.60 1.70 0.059 0.063 0.067
RECOMMENDED FOOTPRINT
1.4
0.0551
0.4
0.0157
0.4
0.0157
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RB521S30T1 (ON Semiconductor)
Schottky Barrier Diode

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RB521S30T1
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
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Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada
Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada
Email: orderlit@onsemi.com
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2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051
Phone: 81−3−5773−3850
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ON Semiconductor Website: http://onsemi.com
Order Literature: http://www.onsemi.com/litorder
For additional information, please contact your
local Sales Representative.
RB521S30T1/D




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