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LH1550AAB1

P1-P3P4-P6
LH1550AAB1, LH1550AAB1TR, LH1550AT1
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 25-Jul-11
1
Document Number: 83841
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 High-Voltage Solid-State Relay
DESCRIPTION
The LH1550 is robust, ideal for telecom and ground fault
applications. It is an SPST normally open switch (1 form A)
that replaces electromechanical relays in many applications.
It is similar to the LH1540, but has a characteristically higher
On resistance. It 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, is comprised of a
photodiode array, switch control circuitry and MOSFET
switches. In addition, it employs current-limiting circuitry
which meets lightning surge testing as per ANSI/TIA-968-B
and other regulatory voltage surge requirements when
overvoltage protection is provided.
FEATURES
• Current limit protection
• Isolation test voltage 5300 V
RMS
• Typical R
ON
28
• Load voltage 350 V
• Load current 120 mA
• High surge capability
• Clean bounce free switching
• Low power consumption
• SMD lead available on tape and reel
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
APPLICATIONS
• General telecom switching
• Instrumentation
• Industrial controls
6
S'S
NC
1
5
2
4
3
SS'
i179041-2
DIP
SMD
AGENCY APPROVALS
UL1577: file no. E52744 system code H, double protection
BSI: 7979/7980
DIN EN: 60747-5-2 (VDE 0884)/60747-5-5 (pending),
available with option 1
FIMKO: 25419
ORDERING INFORMATION
LH1550###1TR
PART NUMBER
ELECTR.
VARIATION
PACKAGE
CONFIG.
NO DC
CONTACT
AT PIN 5
TAPE AND
REEL
PACKAGE UL, BSI, FIMKO
SMD-6 LH1550AAB1
SMD-6, tape and reel LH1550AAB1TR
DIP-6, thru hole LH1550AT1
ABSOLUTE MAXIMUM RATINGS (T
amb
= 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
INPUT
LED continuous forward current I
F
50 mA
LED reverse voltage I
R
10 μA V
R
8V
OUTPUT
DC or peak AC load voltage I
L
50 μA V
L
350 V
Continuous DC load current -
bidirectional operation
I
L
100 mA
Peak load current (single shot) t = 100 ms I
P
(1)
> 0.1 mm
7.62 mm
DIP
SMD
LH1550AAB1, LH1550AAB1TR, LH1550AT1
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 25-Jul-11
2
Document Number: 83841
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 current limit performance application note 58 for a discussion on relay operation during transient currents.
(2)
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.
SSR
Ambient temperature range T
amb
- 40 to + 85 °C
Storage temperature range T
stg
- 40 to + 150 °C
Pin soldering temperature
(2)
t = 10 s max. T
sld
260 °C
Input to output isolation voltage V
RMS
t = 1 s, I
ISO
= 10 μA V
ISO
5300 V
RMS
Output power dissipation (continuous) 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
1.1 2 mA
LED forward current, switch turn-off V
L
= ± 350 V I
Foff
0.001 1 mA
LED forward voltage I
F
= 10 mA V
F
1.15 1.25 1.45 V
OUTPUT
On-resistance, AC: pin 4 (±) to 6 (±) I
F
= 5 mA, I
L
= 50 mA R
ON
28 50
Off-resistance I
F
= 0 mA, V
L
= ± 100 V R
OFF
0.5 300 G
Current limit AC
(1)
: pin 4 (±) to 6 (±) I
F
= 5 mA, t = 5 ms, V
L
= 6 V I
LMT
170 210 250 mA
Off-state leakage current
I
F
= 0 mA, V
L
= ± 100 V I
O
0.35 200 nA
I
F
= 0 mA, V
L
= ± 350 V I
O
0.09 1 μA
Output capacitance pin 4 to 6
I
F
= 0 mA, V
L
= 1 V C
O
18 pF
I
F
= 0 mA, V
L
= 50 V C
O
7pF
Switch offset I
F
= 5 mA V
OS
0.3 μV
TRANSFER
Capacitance (input to output) V
ISO
= 1 V C
IO
0.7 pF
SWITCHING CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Turn-on time I
F
= 5 mA, I
L
= 50 mA t
on
1.1 3 ms
Turn-off time I
F
= 5 mA, I
L
= 50 mA t
off
0.7 3 ms
ABSOLUTE MAXIMUM RATINGS (T
amb
= 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
LH1550AAB1, LH1550AAB1TR, LH1550AT1
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 25-Jul-11
3
Document Number: 83841
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 - Current Limit vs. Temperature
Fig. 4 - Turn-on Time vs. Temperature
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
Insulation resistance at T
S
R
IS
10
9
Insulation resistance at 100 °C R
IS
10
11
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
i1550at_00
80
60
40
20
- 40 - 20 0 20 40 60 80
Ambient Temperature (°C)
0
100
Load Current (mA)
I
Fon
= 2.0 mA
I
Fon
= 3.0 mA
I
Fon
= 4.5 to 20 mA
i1550_01
T
A
- 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
= 2 mA
I
F
= 5 mA
I
F
= 10 mA
I
F
= 50 mA
I
F
= 20 mA
I
F
= 1 mA
i1550at_02
- 40
40
10
30
20
0
- 20
- 10
- 40
- 30
- 20 0 20 40 60
T
A
- Ambient Temperature (°C)
80
I
F
= 5 mA
t = 5 ms
Change in Current Limit (%)
Normalized to 25 °C
i1550at_03
T
A
- Ambient Temperature (°C)
70
60
50
40
30
20
10
0
- 10
- 20
- 30
- 40
- 40 - 20 0 20 40 60 80
Change in Turn-on Time (%)
Normalized to 25 °C
I
F
= 5 mA
I
L
= 50 mA
P1-P3P4-P6

LH1550AAB1

Mfr. #:
Buy LH1550AAB1
Manufacturer:
Vishay Semiconductors
Description:
Solid State Relays - PCB Mount Normally Open Form 1A 350V
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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