ROHM 1N4531

1N4531 / 1N4148 / 1N4150 / 1N4448
Diodes
Switching diode
1N4531 / 1N4148 / 1N4150 / 1N4448
∗This product is available only outside of Japan.
zExternal dimensions (Units : mm)
zApplication
High-speed switching
1N4531
CATHODE BAND (BLACK)
Type No.
zFeatures
1) Glass sealed envelope. (MSD, GSD)
2) High speed.
3) High reliability.
φ 0.5±0.1
C
A
29±1
2.7±0.3
φ 1.8±0.2
29±1
ROHM : MSD
EIAJ : −
JEDEC : DO-34
zConstruction
Silicon epitaxial planar
1N4148 / 1N4150 / 1N4448
CATHODE BAND (BLACK)
Type No.
φ 0.5±0.1
C
A
29±1
3.8±0.2
φ 1.8±0.2
29±1
ROHM : GSD
EIAJ : −
JEDEC : DO-35
zAbsolute maximum ratings (Ta = 25°C)
Type
VRM
(V)
VR
(V)
IFM
(mA)
IO
(mA)
IF
(mA)
IFSM
1µs
(A)
P
(mW)
Tj
(°C)
Topr
(°C)
Tstg
(°C)
1N4531
100
75
450
150
200
2
500
200
−65~+200
−65~+200
1N4148
100
75
450
150
200
2
500
200
−65~+200
−65~+200
1N4150
50
50
600
200
250
4
500
200
−65~+200
−65~+200
1N4448
100
75
450
150
200
2
500
200
−65~+200
−65~+200
zElectrical characteristics (Ta = 25°C)
VF (V)
Type
@
@
0.1mA 0.25mA
BV (V) Min.
@
@
@
@
@
@
@
1mA
2mA
5mA
10mA
20mA
30mA
50mA
@
@
@
100mA 200mA 250mA
1N4531
@
5µA
75
@
100µA
100
1.0
1N4148
1.0
0.66
0.54
0.76
0.82
0.87
1N4150
0.74
0.62
0.86
0.92
0.62
1N4448
0.72
1.0
The upper figure is the minimum VF and the lower figure is the maximum VF value.
75
100
−
50
−
100
IR (µA) Max.
@25°C
VR (V)
0.025
20
5.0
75
0.025
20
5.0
75
0.1
50
0.025
20
5.0
75
trr (ns)
VR=6V
VR=0
IF=10mA
VR (V) f=1MHz RL=100Ω
Cr (pF)
@150°C
50.0
20
4
4
50.0
20
4
4
100.0
50
2.5
4
50.0
20
4
4
1.0
1N4531 / 1N4148 / 1N4150 / 1N4448
Diodes
zElectrical characteristic curves (Ta = 25°C)
REVERSE CURRENT : IR (nA)
20
10
5
2
0.2
0
25°C
Ta=75°C
Ta=25°C
Ta=−25
°C
1
0.5
100°C
3000
Ta=1
FORWARD CURRENT : IF (mA)
50
1000
70°C
300
50°C
100
30
Ta=25°C
10
3
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
20
FORWARD VOLTAGE : VF (V)
40
60
80
100 120
Fig. 2 Reverse characteristics
3
100
SURGE CURRENT : Isurge (A)
VR=6V
Irr=1/10IR
2
1
PULSE
Single pulse
50
20
10
5
2
0
0
10
20
1
0.1
30
FORWARD CURRENT : IF (mA)
10
5Ω
50Ω
SAMPLING
OSCILLOSCOPE
INPUT
100ns
OUTPUT
trr
0.1IR
0
IR
1000
10000
Fig. 5 Surge current characteristics
D.U.T.
PULSE GENERATOR
OUTPUT 50Ω
100
PULSE WIDTH : Tw (ms)
Fig. 4 Reverse recovery time
characteristics
0.01µF
1
Fig. 6 Reverse recovery time (trr) measurement circuit
3.0
f=1MHz
2.5
2.0
1.5
1.0
0.5
0
0
5
10
15
20
25
30
REVERSE VOLTAGE : VR (V)
REVERSE VOLTAGE : VR (V)
Fig. 1 Forward characteristics
REVERSE RECOVERY TIME : trr (ns)
CAPACITANCE BETWEEN TERMINALS : CT (pF)
100
Fig. 3 Capacitance between
terminals characteristics
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document use silicon as a basic material.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0