Green
RDBF251-RDBF2510
2.5A SURFACE MOUNT FAST GLASS PASSIVATED BRIDGE RECTIFIER
Product Summary
(@T
A
= +25°
C)
V
RRM
(V)
1000,800,600,
400,200,100
I
O
(A)
2.5
V
FM
(V)
1.3
I
R
(μA)
5
Features and Benefits
Glass Passivated Die Construction
Miniature Package Saves Space on PC Boards
Fast Recovery Time for Higher Efficiency
Low Leakage Current
Ideal for SMT Manufacturing
Low Forward Voltage Drop
Surge Overload Rating to 75A Peak
Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
NEW INFORMATION
ADVANCEDPRODUCT
Description and Applications
Suitable for AC to DC bridge full wave rectification for SMPS, LED
lighting, adapter, battery charger, home appliances, office equipment,
and telecommunication applications.
Mechanical Data
Case: DBF
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Lead Free Plating (Matte Tin Finish). Solderable per
MIL-STD-202, Method 208
Polarity: As Marked on Body
Weight: 0.02 grams (Approximate)
Top View
Internal Schematic
Ordering Information
(Note 4)
Part Number
RDBF2510-13
RDBF258-13
RDBF256-13
RDBF254-13
RDBF252-13
RDBF251-13
Notes:
Compliance
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Case
DBF
DBF
DBF
DBF
DBF
DBF
Packaging
3,000/Tape & Reel
3,000/Tape & Reel
3,000/Tape & Reel
3,000/Tape & Reel
3,000/Tape & Reel
3,000/Tape & Reel
1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied.
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/.
Marking Information
YMD
RDBF25x(x)
RDBF25x(x) = Product Type Marking Code
= Manufacturers’ Code Marking
YMD = Date Code Marking
Y = Last Digit of Year (ex: 8 = 2018)
M = See Month/Code Table Below
D = Day 1 to 9 = 1 to 9; Day 10 to 31 = A to V
Month
Code
Jan
1
Feb
2
Mar
3
Apr
4
May
5
Jun
6
Jul
7
Aug
8
Sep
9
Oct
O
Nov
N
Dec
D
June 2018
RDBF251-RDBF2510
Document number: DS39411 Rev. 2 - 2
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© Diodes Incorporated
RDBF251-RDBF2510
Maximum Ratings and Electrical Characteristics
(@T
A
= +25° unless otherwise specified.)
C,
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current (Note 5) @
T
C
= +110°
C
Non-Repetitive Peak Forward Surge Current,
8.3ms
Single Half Sine-Wave Superimposed on
Rated Load
I t Rating for Fusing (1ms < t < 8.3ms)
Max Forward Voltage (Per Element)
@I
F
=2.5A
Maximum Reverse Recovery Time (Note 7)
Peak Reverse Current
@T
A
=+25℃
At Rated DC Blocking Voltage @T
A
=+125℃
(Note 8)
Total Capacitance (Per Element) (Note 9)
2
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
RDBF251
RDBF252
RDBF254
RDBF256
RDBF258
RDBF2510
Unit
V
V
A
100
70
200
140
400
280
2.5
600
420
800
560
1000
700
NEW INFORMATION
ADVANCEDPRODUCT
I
FSM
I t
V
FM
t
RR
I
R
C
T
150
2
75
23.34
1.3
250
5.0
500
30
500
A
A S
V
ns
µA
pF
2
Thermal Characteristics
Characteristic
Typical Thermal Resistance, Junction to Ambient (Note 6)
(Per Element)
Typical Thermal Resistance, Junction to Case (Per Element)
Operating and Storage Temperature Range
Notes:
Symbol
R
θJA
R
θJC
T
J,
T
STG
Value
35
7.8
-55 to +150
Unit
°
C/W
°
C/W
°
C
5. Device mounted on glass epoxy PC board with 1.3mm
2
solder pad.
6. Device mounted on glass epoxy substrate with 1oz/ft
2
, 30mmx30mm copper pad per pin.
7. Measured with I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A.
8. Short duration pulse test used to minimize self-heating effect.
9. Measured with V
R
= 4.0VDC, f = 1MHz
RDBF251-RDBF2510
Document number: DS39411 Rev. 2 - 2
2 of 5
www.diodes.com
June 2018
© Diodes Incorporated
RDBF251-RDBF2510
I
F
, INSTANTANEOUS FORWARD CURRENT
(A)
100
Note 5
10
NEW INFORMATION
ADVANCEDPRODUCT
1
150℃
125℃
100℃
85℃
25℃
-55℃
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.1
0.01
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics (Per Leg)
100
C
T
, TOTAL CAPACITANCE (pF)
f = 1MHz
10
1
0
20
40
60
80
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
100
100
REVERSE LEAKAGE CURRENT (µA)
125℃
10
100℃
150℃
1
85℃
25℃
0.1
0.01
-55℃
0.001
0%
20%
40%
60%
80%
100%
V
R
, PERCENTAGE RATED PEAK REVERSE VOLTAGE (%)
Fig.5 Typical Reverse Characteristics
RDBF251-RDBF2510
Document number: DS39411 Rev. 2 - 2
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June 2018
© Diodes Incorporated
RDBF251-RDBF2510
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
DBF
NEW INFORMATION
ADVANCEDPRODUCT
D
b
L
e
L1
E
E1
D3
A3
DBF
Dim Min Max
Typ
A
1.30 1.50
--
A1
0.04 0.12
--
A3
0.15 0.35
--
b
0.80 1.20
--
D
6.45 6.85
--
D3
3.80 4.20
--
E
8.50 8.90
--
E1
7.80 8.20
--
e
4.80 5.20
--
L
0.80 1.40
--
L1
0.30 0.40
--
All Dimensions in mm
A1
A
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
DBF
C
Y
Dimensions
C
C1
X
Y
Value
(in mm)
5.00
7.60
1.40
1.60
C1
X
RDBF251-RDBF2510
Document number: DS39411 Rev. 2 - 2
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June 2018
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RDBF251-RDBF2510
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2018, Diodes Incorporated
www.diodes.com
NEW INFORMATION
ADVANCEDPRODUCT
RDBF251-RDBF2510
Document number: DS39411 Rev. 2 - 2
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June 2018
© Diodes Incorporated
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