GENERAL-USE RECTIFIER DIODE
DSM1D
FEATURES
•
For general purpose.
•
Diffused-junction. Resin encapsulated.
Direction of polarity
OUTLINE DRAWING
φ
2.65
(0.10)
Unit in mm(inch)
φ
0.6
(0.024)
59MIN. (2.32)
5
(0.2)
1D1
DSM1D1
DSM1D2
DSM1D4
DSM1D6
DSM1D8
Yellow
White
Blue
Red
Green
Weight: 0.23 (g)
ABSOLUTE MAXIMUM RATINGS
Items
Repetitive Peak Reverse Voltage
Average Forward Current
Surge(Non-Repetitive) Forward Current
I
2
t Limit Value
Operating Junction Temperature
Storage Temperature
V
RRM
I
F(AV)
I
FSM
I
2
t
T
j
T
stg
Type
V
A
A
A
2
s
°C
°C
DSM1D1 DSM1D2 DSM1D4 DSM1D6 DSM1D8
100
200
400
600
800
Single-phase half sine wave 180° conduction
1.0 TL = 70°C, Lead length = 6mm
(
27MIN.
(1.06)
Type mark
Type
Color of
cathode band
Cathode band
27MIN.
(1.06)
)
45
8.1
( Time = 2 ~ 10ms, I = RMS value )
-40 ~ +150
-40 ~ +150
30
3.6
( Without PIV, 10ms conduction, Tj = 40°C start )
Notes
(1) Lead mounting : Lead temperature 280°C max. to 3.2mm from body for 5sec. max..
(2) Mechanical strength : Bending 90°×2 cycles or 180°×1 cycle, Tensile 2kg, Twist 90°×1 cycle.
CHARACTERISTICS(T
L
=25°C)
Items
Peak Reverse Current
Peak Forward Voltage
Steady State Thermal Impedance
Symbols
I
RRM
V
FM
R
th(j-a)
R
th(j-l)
Units
µA
V
°C/W
Min.
-
-
-
Typ.
-
-
-
Max.
20
10
1.1
100
70
Test Conditions
DSM1D1,2
DSM1D4,6,8
Rated V
RRM
I
FM
=1.0Ap, Single-phase half sine
wave 1 cycle
Lead length = 6 mm
PDE-DSM1D-0
DSM1D
Forward characteristics
100
Single-phase half sine wave
Conduction : 10ms 1 Cycle
Max. average forward power dissipation
(Resistive or inductive load)
MAX. AVERAGE FORWARD POWER DISSIPATION (W)
2.0
DC
PEAK FORWARD CURRENT (A)
1.5
10
Single-phase
( 50Hz )
1.0
TL=150˚C
TL=25˚C
1
0.5
0.1
0
1
2
3
4
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
PEAK FORWARD VOLTAGE DROP (V)
AVERAGE FORWARD CURRENT (A)
Max. allowable ambient temperature
(Resistive or inductive load)
MAX. ALLOWABLE AMBIENT TEMPERATURE (˚C)
180
160
140
120
100
80
60
40
20
0
0
0.2
L
Lead length
=6mm
PC board
(100×180×1.6t)
Copper foil
( 5.5)
Single-phase half sine wave
180˚
conduction (50Hz)
Max. allowable lead temperature
(Resistive or inductive load)
180
MAX. ALLOWABLE LEAD TEMPERATURE (˚C)
160
140
120
100
80
L
Lead length
=6mm
Lead temp
Copper foil
( 5.5)
PC board
(100×180×1.6t)
Single-phase half sine wave
180˚
conduction (50Hz)
60
40
20
0
0
0.2
0.4
0.6
0.8
1.0
1.2
0.4
0.6
0.8
1.0
1.2
AVERAGE FORWARD CURRENT (A)
AVERAGE FORWARD CURRENT (A)
Surge forward current characteristic
(Non-repetitive)
60
Surge current
peak value
Transient thermal impedance
0
TRANSIENT THERMAL IMPEDANCE (˚C/W)
SURGE FORWARD CURRENT (A)
50
Without PIV
10ms
1 cycle
100
Rth(j-a)
Rth(j-l)
40
10
30
DSM1D1,2,4
DSM1D6,8
20
L
Lead length
=6mm
Lead temp
Copper foil
( 5.5)
PC board
(100×180×1.6t)
1.0
10
0
1
10
CYCLES
100
0.1
0.001
0.01
0.1
1.0
10
100
TIME (s)
PDE-DSM1D-0
HITACHI POWER SEMICONDUCTORS
Notices
1.The information given herein, including the specifications and dimensions, is subject to
change without prior notice to improve product characteristics. Before ordering,
purchasers are adviced to contact Hitachi sales department for the latest version of this
data sheets.
2.Please be sure to read "Precautions for Safe Use and Notices" in the individual brochure
before use.
3.In cases where extremely high reliability is required(such as use in nuclear power control,
aerospace and aviation, traffic equipment, life-support-related medical equipment, fuel
control equipment and various kinds of safety equipment), safety should be ensured by
using semiconductor devices that feature assured safety or by means of users’ fail-safe
precautions or other arrangement. Or consult Hitachi’s sales department staff.
4.In no event shall Hitachi be liable for any damages that may result from an accident or
any other cause during operation of the user’s units according to this data sheets. Hitachi
assumes no responsibility for any intellectual property claims or any other problems that
may result from applications of information, products or circuits described in this data
sheets.
5.In no event shall Hitachi be liable for any failure in a semiconductor device or any
secondary damage resulting from use at a value exceeding the absolute maximum rating.
6.No license is granted by this data sheets under any patents or other rights of any third
party or Hitachi, Ltd.
7.This data sheets may not be reproduced or duplicated, in any form, in whole or in part ,
without the expressed written permission of Hitachi, Ltd.
8.The products (technologies) described in this data sheets are not to be provided to any
party whose purpose in their application will hinder maintenance of international peace
and safety not are they to be applied to that purpose by their direct purchasers or any
third party. When exporting these products (technologies), the necessary procedures are
to be taken in accordance with related laws and regulations.
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“Inquiry” portion on the top page of a home page.
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