LH1525AAB

LH1525AT, LH1525AAB, LH1525AABTR
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 21-Aug-12
1
Document Number: 83823
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
1 Form A Solid-State Relay
DESCRIPTION
The LH1525 relay are SPST normally open switches (1 form
A) that can replace electromechanical relays in many
applications. The relay requires a minimal amount of LED
drive current to operate, making it ideal for battery powered
and power consumption sensitive applications. The relay
is constructed using a GaAIAs LED for actuation control
and an integrated monolithic die for the switch output.
The die, fabricated in a high-voltage dielectrically isolated
technology, comprised of a photodiode array,
switch-control circuitry, and MOSFET switches. In addition,
the relay employs current-limiting circuitry, enabling it to
pass lightning surge testing as per ANSI/TIA-968-B and
other regulatory surge requirements when overvoltage
protection is provided. The relay can be configured for
AC/DC or DC-only operation.
FEATURES
Extremely low operating current
High speed operation
Isolation test voltage 5300 V
RMS
Current limit protection
High surge capability
DC only option
Clean bounce free switching
Low power consumption
Surface mountable
Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
General telecom switching
Battery powered switch applications
Industrial controls
Programmable controllers
Instrumentation
Note
See “solid-state relays” (application note 56)
AGENCY APPROVALS
UL1577 file no. E52744 system code H, double protection
CSE certification 093751
BSI no. 7979, BSI no. 7980
FIMKO 25149
6
S'S
DC
1
5
2
4
3
SS'
i179041-2
DIP
SMD
ORDERING INFORMATION
LH1525###TR
PART NUMBER ELECTR.
VARIATION
PACKAGE
CONFIG.
TAPE AND
REEL
PACKAGE
SMD-6, tubes LH1525AAB
SMD-6, tape and reel LH1525AABTR
DIP-6, tubes LH1525AT
> 0.1 mm
7.62 mm
DIP
SMD
LH1525AT, LH1525AAB, LH1525AABTR
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 21-Aug-12
2
Document Number: 83823
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Notes
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not
implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
maximum ratings for extended periods of the time can adversely affect reliability.
(1)
Refer to reflow profile for soldering conditions for surface mounted devices (SMD). Refer to wave profile for soldering conditions for through
hole devices (DIP).
Notes
Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering
evaluations. Typical values are for information only and are not part of the testing requirements.
(1)
No DC mode current limit available.
ABSOLUTE MAXIMUM RATINGS (T
amb
= 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
INPUT
LED input ratings: continuous forward current I
F
50 mA
LED input ratings: reverse voltage V
R
8V
OUTPUT
Output operation (each channel):
DC or peak AC load voltage
I
L
50 μA V
L
400 V
Continuous DC load current,
bidirectional operation pin 4 to 6
I
L
125 mA
Continuous DC load current,
unidirectional operation pins 4, 6 (+) to pin 5 (-)
I
L
250 mA
SSR
Ambient operating temperature range T
amb
- 40 to + 85 °C
Storage temperature range T
stg
- 40 to + 150 °C
Pin soldering temperature
(1)
t = 10 s max. T
sld
260 °C
Input to output isolation test voltage t = 1 s V
ISO
5300 V
RMS
Power dissipation P
diss
550 mW
ELECTRICAL CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
INPUT
LED forward current, switch turn-on I
L
= 100 mA, t = 10 ms I
Fon
0.33 0.5 mA
LED forward current, switch turn-off V
L
= ± 350 V, t = 100 ms I
Foff
0.001 0.23 mA
LED forward voltage I
F
= 1.5 mA V
F
0.8 1.16 1.40 V
OUTPUT
On-resistance, AC/DC, each pole I
F
= 1.5 mA, I
L
= ± 50 mA R
ON
17 26 36 Ω
On-resistance, DC: pin 4, 6 (+) to 5 (-) I
F
= 1.5 mA, I
L
= 100 mA R
ON
4.25 7 8.25 Ω
Off-resistance I
F
= 0 mA, V
L
= ± 100 V R
OFF
2000 GΩ
Current limit AC
(1)
: pin 4 (±) to 6 (±) I
F
= 1.5 mA, t = 5 ms, V
L
= 7 V I
LMT
170 185 270 mA
Off-state leakage current
I
F
= 0 mA, V
L
= ± 100 V I
O
0.67 200 nA
I
F
= 0 mA, V
L
= ± 400 V I
O
0.096 1 μA
Output capacitance
I
F
= 0 mA, V
L
= 1 V C
O
22 pF
I
F
= 0 mA, V
L
= 50 V C
O
6.42 pF
Switch offset I
F
= 5 mA V
OS
0.2 μV
TRANSFER
Capacitance (input to output) V
ISO
= 1 V C
IO
0.75 pF
SWITCHING CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Turn-on time
I
F
= 1.5 mA, I
L
= 50 mA t
on
1.25 ms
I
F
= 5 mA, I
L
= 50 mA t
on
0.22 1 ms
Turn-off time
I
F
= 1.5 mA, I
L
= 50 mA t
off
0.6 ms
I
F
= 5 mA, I
L
= 50 mA t
off
1.1 1.5 ms
LH1525AT, LH1525AAB, LH1525AABTR
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 21-Aug-12
3
Document Number: 83823
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TYPICAL CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
Fig. 1 - Recommended Operating Conditions
Fig. 2 - LED Voltage vs. Temperature
Fig. 3 - LED Forward Current vs. Forward Voltage
Fig. 4 - LED Reverse Current vs. LED Reverse Voltage
SAFETY AND INSULATION RATINGS
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Climatic classification IEC 68 part 1 40/85/21
Pollution degree DIN VDE 0109 2
Tracking resistance
(comparative tracking index)
Insulation group llla CTI 175
Highest allowable overvoltage Transient overvoltage V
IOTM
8000 V
peak
Max. working insulation voltage Recurring peak voltage V
IORM
890 V
peak
Insulation resistance at 25 °C
V
IO
= 500 V
R
IS
10
12
W
Insulation resistance at T
S
R
IS
10
9
W
Insulation resistance at 100 °C R
IS
10
11
W
Partial discharge test voltage Methode a, V
pd
= V
IORM
x 1.875 V
pd
1669 V
peak
Safety limiting values -
maximum values allowed
in the event of a failure
Case temperature T
SI
175 °C
Input current I
SI
300 mA
Output power P
SO
700 mW
Minimum external air gap (clearance)
Measured from input terminals to output
terminals, shortest distance through air
7mm
Minimum external tracking (creepage)
Measured from input terminals to output
terminals, shortest distance path along body
7mm
Insulation thickness 0.4 mm
0
20
40
60
80
100
120
- 40 - 20 0 20 40 60 80
Ambient Temperature (°C)17331
I
Fon
= 3 mA to
10 mA
Load Current (mA)
I
Fon
= 2 mA
I
Fon
= 1 mA
I
Fon
= 0.5 mA
I
Fon
= 0.3 mA
ilh1525at_01
Ambient Temperature (°C)
LED Forward Voltage (V)
- 40 - 20 0 20 40 60 80
1.6
1.5
1.4
1.3
1.2
1.1
1.0
I
F
= 5 mA
I
F
= 10 mA
I
F
= 50 mA
I
F
= 20 mA
I
F
= 1 mA
I
F
= 2 mA
ilh1525at_02
120
100
80
60
40
20
0
0 0.5 1 1.5 2
T = 25 °C
T = - 40 °C
T = 8 °C
LED Forward Voltage (V)
LED Forward Current (mA)
ilh1525at_03
LED Reverse Voltage (V)
LED Reverse Current (µA)
0
10
8
6
4
2
0
20 40 60 80
85 °C
25 °C
- 40 °C

LH1525AAB

Mfr. #:
Manufacturer:
Description:
Solid State Relays - PCB Mount Normally Open Form 1A 400V
Lifecycle:
New from this manufacturer.
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