Littelfuse Dxx25L Series - Manual (Page 2)

380
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
15 / 20 / 25 Amp Rectifiers
Dxx15L & Dxx20L & Dxx25L Series
Electrical Characteristics (T
J
= 25°C, unless otherwise specified)
Symbol Parameter Test Conditions Value Unit
t
rr
Reverse-recovery Time I
F
=0.9A, I
R
=1.5A TYP. 4 μs
Static Characteristics
Symbol Test Conditions Value Unit
V
FM
15A Device I
T
= 30A; t
p
= 380μs
MAX. 1.6 V 20A Device I
T
= 40A; t
p
= 380μs
25A Device I
T
= 50A; t
p
= 380μs
I
RM
V
RRM
T
J
= 25°C
400-600V
MAX.
10
μA
800-1000V 20
T
J
= 100°C
400-800V 500
1000V 3000
T
J
= 125°C 400-800V 1000
Thermal Resistances
Symbol Parameter Value Unit
R
T(J-C)
Junction to case (AC)
Dxx15L 2.85
°C/W Dxx20L 2.55
Dxx25L 2.50
Note: xx = voltage
Figure 1: On-State Current vs. On-State
Voltage (Typical)
T
J
= 25°C
0
20
40
60
80
100
120
140
160
0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8
Dxx25L
Dxx20L
Dxx15L
Instantaneous Forward Voltage (v
F
) – Volts
In
stan
ta
n
e
o
u
s
Forwa
rd C
u
rre
nt
(
i F
) –
Am
p
s
Figure 2: Power Dissipation vs. RMS On-State
Current (Typical)
0
4
8
12
16
20
0 2 4 6 8 10 12 14 16
Single pulse rectification
60Hz sine wave
Dxx25L
Dxx20L
Dxx15L
Average Forward Current [I
F(AV)
] - Amps
A
v
e
ra
g
e
Forwa
rd
P
o
wer
D
is
s
ip
a
ti
o
n
[P
F(
AV
)
] - (Watts
)