Achieves higher performance with lower switching noise and higher breakdown voltage
Low V
F
Type (RFL series) /High-Speed t
rr
Type (RFS series)
650V 4th Gen Fast Recovery Diodes
・ Both series provide ultra-low noise switching characteristics according to
power supply requirements
Low V
F
Type: RFL series
High Speed t
rr
Type: RFS series
・ Withstand voltage increased from 600V to 650V, contributing to increased reliability
Ideal for PFC, secondary rectifier, and inverter circuits
■ V
F
・t
rr
Characteristics Comparison
■ Noise Characteristics Comparison
・ Improving both V
F
and t
rr
characteristics results in higher efficiency
TO-247-2L
（
TO-247GE-2L
）
TO-247-3L
（
TO-247GE-3L
）
Improving the V
F
/t
rr
characteristics of both series based on the
power supply configuration contributes to higher device efficiency
Note: Indicates the JEDEC package notation. ( ) denotes ROHM package type.
RFN series
V
F
: Reduced 17.9%
High performance
t
rr
(ns)
V
F
: Reduced 3.2%
t
rr
: Reduced 8.3%
2.82.62.42.22.01.81.61.4
V
F
(V)
3.0
25
30
35
40
45
50
55
60
65
70
RFL series
(Low V
F
Type)
RFS series
(High-speed t
rr
Type)
RFUH series
New Product
Conventional
Conventional Characteristics
(3rd Gen)
New Product Characteristics
(4th Gen)
20A
100V
50ns
Reverse Voltage: V
R
Forward Current: I
F
T
j
=125ºC
di/dt=500A/μs
I
F
=60A, V
R
=400V
Suppresses noise
affecting applications
when switching OFF
Ultra-Low Noise
Fast reverse recovery time
when switching OFF
minimizes power loss
Fast t
rr
Reduces noise design load by combining ultra-low noise and
high-speed t
rr
characteristics
New Product (RFL60TZ6S)
Standard Product
Featured Products
Product No.
No. of
Circuits
Absolute Maximum Ratings
(T
C
=25ºC)
Electrical Characteristics (Tj= 25ºC)
Junction
Temp
Tj (ºC)
Max
Package
Equivalent
Circuit
DiagramPart No.
Grade
Code
General
Taping
Code
V
RM
(V)
V
R
(V)
I
O
*
1
(A)
I
FSM
(A)*
2
60Hz.
1
V
F
(V) I
R
(μA) t
rr
(ns)
Max V
R
(V) Max V
R
(V) Max I
F
(A) I
R
(A)
Low V
F
Type RFL series (4th Gen)
RFL30TZ6S
G C13
1 650 650
30 200 1.5 30 5 650 55 0.5 1
175
TO-247-2L
(TO-247GE-2L)
RFL60TZ6S
G C13 60 320 1.5 60 10 650 75 0.5 1
☆RFL30TS6D
G C13
2 650 650
30 100 1.5 15 5 650 45 0.5 1
175
TO-247-3L
(TO-247GE-3L)
☆RFL60TS6D
G C13 60 180 1.5 30 5 650 55 0.5 1
■ Lineup
■ Applications
・ PFC circuits in AC, washers, refrigerators, etc.
・ Secondary rectifier circuits in EV charging
stations and the like.
・ Inverter circuits in machine tool robots,
compressors, etc.
・ Power supplies for servers, base stations,
and more.
400VDC
■ Sample Circuits
High Speed t
rr
Type RFS series (4th Gen)
RFS30TZ6S
G C13
1 650 650
30 160 2.3 30 5 650 35 0.5 1
175
TO-247-2L
(TO-247GE-2L)
RFS60TZ6S
G C13 60 250 2.3 60 10 650 55 0.5 1
☆RFS30TS6D
G C13
2 650 650
30 80 2.3 15 5 650 30 0.5 1
175
TO-247-3L
(TO-247GE-3L)
☆RFS60TS6D
G C13 60 150 2.3 30 5 650 35 0.5 1
ROHM Power Fast
Recovery Diodes
☆Under Development
*1: The average current per element is I
O
(with one element) or 1/2 I
O
(with 2 elements). *2: Standard per element.
Note: Indicates the JEDEC package notation. ( ) denotes ROHM package type.
・ PFC Circuit
85 to 265VAC
RFL/RFS series
・ Secondary Rectifier Circuit
400VDC 400VDC
RFL/RFS series
High-Speed t
rr
Type
RFV series
(3rd Gen)
Hard Recovery
Low V
F
Type
RFL series
(4th Gen)
Soft Recovery
High-Speed t
rr
Type
RFS series
(4th Gen)
Soft Recovery
Ultra-Low V
F
Type
RFNL series
(3rd Gen)
Soft Recovery
The information contained in this document is current as of June 1st, 2022.
【O_163】Catalog No. 65OP7327E 06.2022 PDF © 2022 ROHM Co., Ltd.
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