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Bourns® Rectifier Diodes
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Bridge Rectifier Diodes • Schottky Bridge Rectifier Diodes • Fast Response Rectifier Diodes • Standard Rectifier Diodes • Schottky Rectifier Diodes
Introduction
Bourns® Rectifier Diodes
Bourns® Rectifier Diode Product Offering
A rectifier is an electrical device used to convert
• Bridge Rectifier Diodes
alternating current (AC) which periodically reverses
• Schottky Bridge Rectifier Diodes
direction, to direct current (DC) which flows in only
• Fast Response Rectifier Diodes
one direction. Bourns offers a wide variety of rectifier
products including bridge rectifiers and discrete rectifiers.
• Standard Rectifier Diodes
Bourns® bridge rectifiers perform with higher forward
• Schottky Rectifier Diodes
current and low forward voltages for use in low voltage
and high efficiency designs. Fast response rectifier diodes
support fast reverse recovery time with high forward
current capability for high speed switched-mode power
supply applications. Standard rectifier diodes provide
high forward current capability with low reverse leakage
current, and Schottky rectifier diodes can perform with
high forward current and low forward voltage for low
heat dissipation. AC to DC and DC to DC converters are
common applications of rectifier diodes.
AC to DC Converter
v
t
D4
D1
D2
D3 I
+
-
v
t
A bridge rectifier diode or four discrete rectifier diodes
half cycle of the supply, diodes D1 and D2 conduct in series while
connected in a closed loop “bridge” configuration provide
diodes D3 and D4 are reverse biased and the current flows through
full-wave rectification from AC input into a DC output.
the load. During the negative half cycle of the supply, diodes D3
The bridge rectifier diode blocks the current in the reverse
and D4 conduct in series, but diodes D1 and D2 switch “OFF”
direction and allows the current in the forward direction to
which are reverse biased. The current flowing through the load.
keep the output current in one direction. During the positive
D1
+
–
D2
–
Load
D4
+
D3
Load
DC to DC Converter
v
v
t
On-State
t
Switched-mode DC to DC converters transform one DC voltage
energy is transferred from the input voltage source to the
level to another, which may be higher (boost) or lower (buck),
transformer and the output capacitor supplies energy to
by storing the input energy temporarily and then releasing that
the output load. When the switch is in the off-state, the
energy to the output at a different voltage. When the switch is in
energy is transferred from the transformer to the output
the on-state, the rectifier diode blocks the reverse current and the
load and the output capacitor.
On-State
Off-State
Off-State
Product Selection
General Rectifier Diode Parameters
Maximum Repetitive Peak Reverse Voltage (VRRM) is the
maximum voltage a rectifier diode can withstand in the
Symbol
Parameter
Unit
Description
V
Maximum allowable repetitive instantaneous value
of the diode’s reverse voltage
A
Maximum allowable average forward current
IFSM
Maximum Repetitive Peak
Reverse Voltage
Maximum Average
Forward Rectified Current
Maximum Peak Forward
Surge Current
A
Maximum allowable non-repetitive half-sine wave
surge current
VF
Forward Voltage
V
Voltage of the diode at IF
the maximum allowable average forward current in the
IR
Reverse Leakage Current
µA
Reverse leakage current at VRRM
normal operating temperature range.
CJ
Junction Capacitance
pF
Junction capacitance of the diode
Maximum Peak Forward Surge Current (IFSM) is the
Trr
Reverse Recovery Time
ns
RΘJA
Thermal Resistance to Air
reverse direction without breaking down or avalanching,
and rectifier diodes must have a peak inverse voltage
rating higher than the maximum voltage being applied to
them in the application.
Maximum Average Forward Rectified Current (IF) is
VRRM
IF
maximum allowable non-repetitive half-sine wave surge
current with a pulse width of 8.3 milliseconds.
Forward Voltage (VF) is the rectifier diode’s forward
voltage and low VF rectifier diodes have less power
dissipation in the forward direction to save energy.
Reverse Leakage Current (IR) is the diode's reverse leakage
current, and low IR rectifier diodes have less power
dissipation in the reverse direction for power reduction.
Junction Capacitance (CJ) is the junction capacitance, and
Reverse Recovery Time (Trr) is the turn-off delay from the
forward direction to the reverse direction. Low junction
capacitance and fast reverse recovery time rectifier diodes
are used for high-speed switching converter applications.
Thermal Resistance to Air (RΘJA) is the resistance to heat
flow. Low thermal resistance rectifier diodes generate less
heat, making them a good quality insulator.
°C/W
Duration of time for diode to “turn off” when
alternating current is from forward-bias to reversebias polarity
Temperature difference between junction and
outside air per watt
Bridge Rectifier Selection
Start
Yes
No
Is Low Voltage
Required?
Schottky Bridge
Rectifier Diodes
Bridge
Rectifier Diodes
Discrete Rectifier Selection
Start
Yes
Is a Fast Response
Required?
No
Is Low Forward
Voltage Required?
No
Yes
Fast Response
Rectifier Diodes
Schottky
Rectifier Diodes
Standard
Rectifier Diodes
Rectifier Diode Applications
Flyback Converter Topology
Forward Topology
Two-Switch Forward Topology
Isolation
Max. Power (W)
Strengths
Isolation
Max. Power (W)
Strengths
Yes
200
Large step-down ratio
Isolation
Max. Power (W)
Strengths
Yes
1000
Very rugged circuit
Weaknesses
High voltage on-switch increases power lost
Weaknesses
Noisy input
Applications
AC/DC, DC/DC industrial controls
Applications
AC/DC, DC/DC industrial controls
Weaknesses
Applications
Yes
100
Ground referenced switch, multiple outputs,
fewer components
Limited to 10 A output, high stress on diode,
inefficient (use of ZVS converters improves losses)
AC/DC and DC/DC appliances, solar inverters, LED
lighting, AC adaptors, E-meters, battery chargers,
automotive, circuit breakers, TVs, STBs, PoE
Half Bridge Forward Topology
Full Bridge Forward Topology
Full Bridge Resonant Topology
Isolation
Max. Power (W)
Strengths
Yes
500
Reduced core loss
Isolation
Max. Power (W)
Strengths
Isolation
Max. Power (W)
Strengths
Yes
5000
Soft switching
Weaknesses
Does not work well with current mode, making it
less than ideal for off-line power supplies
DC/DC industrial controls, telecom,
data processing
Weaknesses
Yes
5000
Clamped primary switch and minimal
switching losses
Requires experience to get functioning properly
Weaknesses
Narrow input range
AC/DC and DC/DC industrial controls, telecom,
data processing, automotive HEV / EV
Applications
Lighting
Applications
Applications
Push Pull Converter Topology
Boost Converter Topology
Buck Converter Topology
Isolation
Max. Power (W)
Strengths
Yes
500
Ground referenced switches
Isolation
Max. Power (W)
Strengths
No
1000
Low noise input
Isolation
Max. Power (W)
Strengths
No
1000
Low noise output
Weaknesses
Limited to low input voltages
Weaknesses
Weaknesses
Applications
DC/DC battery chargers, servers
Applications
Requires current mode control and has
no isolation
AC/DC and DC/DC power factor correction circuits,
automotive electric vehicles, motor drives
(appliances)
Optimum input/output ratio must be less than
10; no isolation
AC/DC and DC/DC notebooks, servers, graphic
processors, automotive
Applications
Bridge Rectifier Diodes
Features
High current capability
Low profile package
Applications
Switch Mode Power Supplies (SMPS)
Power Supplies
Part
Number
VRRM
(V)
CD-DF410SL
CD-DF408SL
CD-DF406SL
CD-DF410S
CD-DF408S
CD-DF406S
CD-MBL210SL
CD-MBL208SL
CD-MBL206SL
CD-MBL210S
CD-MBL208S
CD-MBL206S
CD-MBL110SL
CD-MBL108SL
CD-MBL106SL
CD-MBL110S
CD-MBL108S
CD-MBL106S
CD-MBL104S
CD-MBL102S
CD2320-B11000
CD2320-B1800
CD2320-B1600
CD2320-B1400
CD2320-B1200
CDNBS04-B08800
CDNBS04-B08600
CDNBS04-B08400
CDNBS04-B08200
1000
800
600
1000
800
600
1000
800
600
1000
800
600
1000
800
600
1000
800
600
400
200
1000
800
600
400
200
800
600
400
200
IF
(A)
IFSM
(A)
VF @ IF
(V)
IR
(µA)
Capacitance Compliant Length Width
(pF)
Package (mm) (mm)
RΘJA
(°C/W)
0.9
4
150
5
45
DFS-4
10.6
8.2
35
2320
5.9
5.4
95
0.95
60
0.96
2
35
5
50
1
45
0.95
1
25
5
25
30
1
1
30
1
5
25
2320
5.9
5.4
95
0.8
30
1.15
5
26
NBS04
7
4.9
50
Schottky Bridge Rectifier Diodes
Part
Number
Features
High current capability
Low forward voltage
Low profile package
Applications
Switch Mode Power Supplies (SMPS)
Power Supplies
VRRM
(V)
CD-HD201L
CD-HD2006L
CD-HD2004
CD-HD201
CD-HD2006
CD-HD01
100
60
40
100
60
100
CD-HD006
60
CD-HD004
40
IF
(A)
2
1
IFSM
(A)
VF @ IF
(V)
IR
(µA)
60
0.8
0.55
0.5
0.85
0.7
0.85
100
50
30
0.7
0.5
200
Capacitance Compliant Length Width
(pF)
Package (mm) (mm)
RΘJA
(°C/W)
145
250
TO-269AA
6.25
4.85
110
Fast Response Rectifier Diodes
Features
High current capability
Fast reverse recovery time
Applications
High Frequency
Switch Mode Power Supplies
Inverters
Part
Number
VRRM
(V)
CD214C-F3600
CD214C-F3400
CD214C-F3200
CD214C-F3100
CD214C-F350
CD214B-F3600
CD214B-F3400
CD214B-F3200
CD214B-F3150
CD214B-F3100
CD214B-F350
CD214B-F2600
CD214B-F2400
CD214B-F2200
CD214B-F2150
CD214B-F2100
CD214B-F250
CD214A-F1600
CD214A-F1400
CD214A-F1200
CD214A-F1150
CD214A-F1100
CD214A-F150
CD1408-FU1800
CD1408-FU1600
CD1408-FU1400
CD1408-FU1200
CD1408-FF11500
CD1408-FF11000
CD1408-FF1800
CD1408-FF1600
CD1408-FF1400
CD1408-FF1200
CD1408-F11000
CD1408-F1800
CD1408-F1600
CD1408-F1400
CD1408-F1200
600
400
200
100
50
600
400
200
150
100
50
600
400
200
150
100
50
600
400
200
150
100
50
800
600
400
200
1500
1000
800
600
400
200
1000
800
600
400
200
IF
(A)
Trr
(ns)
IFSM
(A)
35
3
3
25
35
100
100
35
2
25
30
1
1
50
50
75
25
30
30
30
30
30
25
30
30
30
15
25
50
30
300
30
20
35
1
1
VF @ IF
(V)
1.3
1.25
0.92
0.92
0.92
1.7
1.25
0.95
0.95
0.95
0.95
1.3
1.25
0.92
0.92
0.92
0.92
1.7
1.25
0.95
0.95
0.95
0.95
2.5
1.25
1.05
0.93
6
IR
(µA)
Capacitance
(pF)
Compliant
Package
Length Width
(mm) (mm)
RΘJA
(°C/W)
15
10
45
DO-214AB/SMC
6.9
5.9
5
10
DO-214AA/SMB
4.3
3.6
34
5
200
DO-214AA/SMB
4.3
3.6
15
5
10
DO-214AC/SMA
4.3
2.6
34
50
10
SOD-87 /SOD-123
3.4
1.9
80
5
10
1.7
5
10
SOD-87 /SOD-123
3.4
1.9
95
1.3
5
15
SOD-87 /SOD-123
3.4
1.9
80
10
Standard Rectifier Diodes
Features
High current capability
Low reverse leakage current
Applications
Switch Mode Power Supplies (SMPS)
Inverters
Part
Number
VRRM
(V)
CD214C-R31000
CD214C-R3800
CD214C-R3600
CD214C-R3400
CD214C-R3200
CD214C-R3100
CD214C-R350
CD214B-R31000
CD214B-R3800
CD214B-R3600
CD214B-R3400
CD214B-R3200
CD214B-R3100
CD214B-R350
CD214B-R21000
CD214B-R2800
CD214B-R2600
CD214B-R2400
CD214B-R2200
CD214B-R2100
CD214B-R250
CD214A-R12000
CD214A-R11600
CD214A-R11200
CD214A-R11100
1000
800
600
400
200
100
50
1000
800
600
400
200
100
50
1000
800
600
400
200
100
50
2000
1600
1200
1100
CD214A-R11000
1000
CD214A-R1800
CD214A-R1600
CD214A-R1400
CD214A-R1200
CD214A-R1100
CD214A-R150
CD1408-R11000
CD1408-R1800
CD1408-R1600
CD1408-R1400
CD1408-R1200
800
600
400
200
100
50
1000
800
600
400
200
IF
(A)
IFSM
(A)
VF @ IF
(V)
IR
(µA)
Capacitance
(pF)
Compliant
Package
3
100
1.15
10
40
DO-214AB/SMC
6.9
5.9
10
3
115
1
5
40
DO-214AA/SMB
4.3
3.6
47
2
65
1
5
25
DO-214AA/SMB
4.3
3.6
53
25
2
1.25
1.25
1.25
5
12
DO-214AC/SMA
4.3
2.6
75
1
12
SOD-87 /SOD-123
3.4
1.9
80
1
1
30
1
30
1
Length Width
(mm) (mm)
RΘJA
(°C/W)
Schottky Rectifier Diodes
Part
Number
Features
High current capability
Low forward voltage
Applications
Switch Mode Power Supplies (SMPS)
Inverters
CD214C-B360LF
CD214C-B350LF
CD214C-B340LF
CD214C-B330LF
CD214C-B320LF
CD214B-B360LF
CD214B-B350LF
CD214B-B340LF
CD214B-B330LF
CD214B-B320LF
CD214A-B360LF
CD214A-B350LF
CD214A-B340LF
CD214A-B340LLF
CD214A-B330LF
CD214A-B320LF
CD214B-B260LF
CD214B-B250LF
CD214B-B240LF
CD214B-B230LF
CD214B-B220LF
CD214A-B260LF
CD214A-B250LF
CD214A-B240LF
CD214A-B240LLF
CD214A-B230LF
CD214A-B220LF
CD1206-B2100
CD1206-B260
CD1206-B240
CD1206-B220
CD214B-B160LF
CD214B-B150LF
CD214B-B140LF
CD214B-B130LF
CD214B-B120LF
CD214A-B1100LF
CD214A-B190LF
CD214A-B180LF
CD214A-B170LF
CD214A-B160LF
CD214A-B150LF
CD214A-B140LF
CD214A-B130LF
CD214A-B130LLF
CD214A-B120LF
CD214A-B120LLF
CD2010-B160
CD2010-B140
CD216A-B140LF
CD216A-B130LLF
CD216A-B120LLF
CD216A-B120RLF
VRRM
(V)
60
50
40
30
20
60
50
40
30
20
60
50
40
40
30
20
60
50
40
30
20
60
50
40
40
30
20
100
60
40
20
60
50
40
30
20
100
90
80
70
60
50
40
30
30
20
20
60
40
40
30
20
20
IF
(A)
IFSM
(A)
3
100
3
100
100
3
70
100
2
2
50
50
2
40
1
30
30
1
1
1
25
30
25
50
70
40
50
VF @ IF
(V)
0.7
0.7
0.5
0.5
0.5
0.7
0.7
0.5
0.5
0.5
0.7
0.7
0.5
0.45
0.5
0.5
0.7
0.7
0.5
0.5
0.5
0.7
0.7
0.5
0.43
0.5
0.5
0.85
0.7
0.5
0.5
0.7
0.7
0.5
0.5
0.5
0.79
0.79
0.79
0.79
0.7
0.7
0.5
0.5
0.41
0.5
0.41
0.52
0.45
0.55
0.38
0.45
0.53
IR
(µA)
Capacitance
(pF)
Compliant
Package
Length Width
(mm) (mm)
500
250
DO-214AB/SMC
6.9
5.9
60
500
250
DO-214AA/SMB
4.3
3.6
95
500
250
DO-214AC/SMA
4.3
2.6
100
500
500
500
500
500
500
500
200
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
1000
500
1000
500
100
500
410
400
10
RΘJA
(°C/W)
60
200
DO-214AA/SMB
4.3
3.6
50
65
200
DO-214AC/SMA
4.3
2.6
70
65
200
SOD-87 /SOD-123
3.4
1.9
75
110
DO-214AA/SMB
4.3
3.6
22
50
30
110
100
110
110
100
110
100
300
300
60
70
90
75
65
DO-214AC/SMA
4.3
2.6
70
SOD-106
4.5
2.2
75
DO-216AA
3.95
2.05
250
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Country/RegionPhone
Email
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Korea:
Singapore:
Taiwan:
[email protected]
+55 11 5505 0601
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[email protected]
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[email protected]
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[email protected]
+82 70 4036 7730
[email protected]
+65 6348 7227
[email protected]
+886 2 25624117
[email protected]
Other Asia-Pacific Countries:
+886 2 25624117
[email protected]
Technical Assistance
RegionPhone Email
Asia-Pacific:
Europe, Middle East, Africa:
Americas:
+886 2 25624117
[email protected]
+36 88 520 390
[email protected]
[email protected]
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Specifications subject to change without notice. Actual performance in specific customer applications may differ due to the
influence of other variables. Customers should verify actual device performance in their specific applications.
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