Series LS
30A to 600 Vac SIP Package
DC control
Part Number
LS24D16C
LS24D21C
LS60D22C
LS24D27C
LS60D27C
LS60D30C
Description
16A, 240 Vac
21A, 240 Vac
22A, 600 Vac
27A, 240 Vac
27A, 600 Vac
30A, 600 Vac
FEATURES/BENEFITS
• Industry standard package
• Designed for external heat-sink attachment
• Over-sized thyristor ratings
• Direct-copper bonding technology
DESCRIPTION
These solid-state single inline package (SIP) relays
are designed for mounting on printed circuit boards.
The Series LS relays facilitate heat sinking by
providing an interface surface. The relays are
designed with 16A, 25A and 50A thyristors. They can
switch loads with high starting currents. The nominal
switched currents depend on the size of the heat sink
and are limited by the cross section of the tracks of
the printed circuit (mainly 25A/30A). The relays use
a direct-bonded copper substrate for thermal
efficiency, thermal stress performance and long-life
expectancy.
APPLICATIONS
• Motor control — Pumps, reversing, integration of
relays in terminal boxes
• Lamp control — Infrared drying, traffic lights,
theater lighting
APPROVALS
All models are UL recognized.
UL File Number: E128555.
Part Number Explanation
LS
24
D
16
C
NOTES
1) Line Voltage (nominal): 24 = 240 Vac; 60 = 600 Vac
2) Switch Type: D = Zero-cross turn-on
3) Control Range: C = 4-14 Vdc (N = 8-32 Vdc also available)
MECHANICAL SPECIFICATION
Hot surface: 1.48 (37.6)
.01 (0.3)
Hot surface: .69 (17.5)
4
.96 (24.5)
4
3
2
1
.02 (.55)
.31
(7.83)
Ø1
0.2 (5.08)
0.4
0.5 (12.7) (10.16)
0.3
(7.83)
1.72 (43.6)
.07 (1.7)
.25 (6.3)
.07 (1.7)
Top view
Hole Ø .06 (1.6)
0.1 (2.54)
WEIGHT: 0.53 oz. (15g)
TOLERANCES: + 0.01
–
Figure 1 — LS relays; dimensions in inches (mm)
(See Figure 12 for LS with HS1)
TYPICAL APPLICATION
L1
L1
0.3 (7.6)
(1.5 x 1.5)
.06 x .06
MOV on
the PCB
SSR
Or
BLOCK DIAGRAM
Load
3+
Rc
Ic
1~
Vc
4–
MOV on
the PCB
Load
SSR
N
N
2~
Figure 2 — LS relays
© 2006 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
Figure 3 — LS relays
LS 1
LS\082006Q2
Series LS
INPUT (CONTROL) SPECIFICATION
Min
Control Range
Input Current Range
Must Turn-off Voltage
Input Resistance (Typical)
4
6.5
Max
14
30
1
440
Units
Vdc
mAdc
Vdc
Ohms
Input Current (mA)
CONTROL CHARACTERISTIC
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
OUTPUT (LOAD) SPECIFICATION
Min
Operating Range
LS24
LS60
Peak Voltage
LS24D16C
LS60D22C
Load Current Range
LS24D16C
LS24D21C
LS60D22C
LS24D27C
LS60D27C
LS60D30C
*Limited by the heat sink
Maximum Surge Current Rating (Non-Repetitive)
(See Figure 6)
LS24D16C
LS24D21C
LS60D22C
LS24D27C
LS60D27C
LS60D30C
On-State Voltage Drop
Power Dissipation (W)
Max
280
600
Unit
Vrms
Vrms
20
Control Voltage (V)
12
24
Figure 4 — LS relays
THERMAL CHARACTERISTICS
FW150 (~ 3°C/W)
~
600
1200
Vpeak
Power Dissipation (W)
Full on state
15
FW100
(~ 4°C/W)
~
Vpeak
6°C/W
10
.005
.005
.005
.005
.005
.005
16*
25*
25*
30*
30*
30*
Arms
Arms
Arms
Arms
Arms
Arms
5
Without heat sink
0
0
5
10
15
20
0
10
20 30 40 50 60 70 80 90 100
Ambient Temperature (°C)
Load Current (Arms)
Figure 5a — LS24D16C relay
35
30
Power Dissipation (W)
Full on state
25
20
15
10
5
FW100
(~ 4°C/W)
~
6°C/W
FW150 (~ 3°C/W)
~
160
250
300
600
600
1000
Apeak
Apeak
Apeak
Apeak
Apeak
Apeak
Without heat sink
0
0
5
10
15
20
25
0
10
20 30 40 50 60 70 80 90 100
Ambient Temperature (°C)
Load Current (Arms)
Figure 5b — LS24D21C, LS60D22C relays
40
All relays
Zero-Cross Window (Typical)
All relays
Off-State Leakage Current (60Hz)
All relays
1.6
V
Full on state
30
FW100
(~ 4°C/W)
~
FW150 (~ 3°C/W)
~
20
6°C/W
±12
V
10
Without heat sink
0
0
5
10
15
20
25
30
35
0
10
20
30
40
50
60
70
80
90 100
1
mA
Load Current (Arms)
Ambient Temperature (°C)
Figure 5c — LS24D27C, LS60D27C, LS60D30C relays
LS 2
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2006 TELEDYNE RELAYS
LS\082006\Q2
Series LS
OUTPUT (LOAD) SPECIFICATION (continued)
Min
Turn-On Time (60Hz)
All relays
Turn-Off Time (60Hz)
All relays
Off-State dv/dt
All relays
Operating Frequency
All relays
I
2
t for match fusing (<8.3ms)
LS24D16C
LS24D21C
LS60D22C
LS24D27C
LS60D27C
LS60D30C
128
312
450
1800
1800
5000
A
2
S
A
2
S
A
2
S
A
2
S
A
2
S
A
2
S
SURGE CURRENTS
200
150
250
Non-Repetitive
200
ENVIRONMENTAL SPECIFICATION
Min
Operating Temperature
–40
–40
4000
3300
Storage Temperature
Input-Output Isolation
Output-Case Isolation
Max
80
120
Unit
°C
°C
Vrms
Vrms
Max
8.3
Unit
ms
8.3
ms
NOTES:
1. MOV across the output recommended for non-resistive loads —
minimum size: 14mm
2. Maximum current based on size of the heat sink and the ambient
temperature.
3. For 800Hz applications, contact factory.
4. For additional/custom options, contact factory.
500
V/µs
10
440
Hz
Apeak
Non-Repetitive
100
50
0
0.01
0.10
Apeak
Repetitive with initial Tj = 70°C
1.00
10.0
150
100
50
Repetitive with initial Tj = 70°C
t (s)
0
0.01
0.10
Figure 6a — L24D16C relay
300
Non-Repetitive
t(s)
1.00
10.0
Figure 6b — LS24D21C relay
Apeak
200
700
600
Repetitive with initial Tj = 70°C
100
Non-Repetitive
500
0
0.01
Apeak
0.10
t (s)
1.00
10.0
400
300
200
Repetitive with initial Tj = 70°C
100
0
0.01
0.1
1
Figure 6c — LS60D22C relay
1500
t (s)
1000
Apeak
Non-Repetitive
Long time overload @ Tj init = 45°C
500
Repetitive with initial Tj = 70°C
0
0.01
0.1
Temps
I (A)
60 s
20
100 s
15
Figure 6d — LS60D27C, LS24D27C relays
t(s)
1
10
Figure 6e — LS60D30C relay
© 2006 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
LS 3
LS\082006Q2
Series LS
MOUNTING EXAMPLES
Heat sinks references:
FW100: L=100mm about 4°C/W (1SSR) without ventilation (3.6°C/W with 4SSRs )
FW150: L=150mm about 3°C/W (1SSR) without ventilation (2.6°C/W with 6SSRs )
Supports additional heat sink if necessary
Clips reference: L19101
Thermal grease
2
(51)
0.311 ±006
(7.9 ± 0.15)
0.16 (4)
to maintain
isolation
Figure 7a — Thermal heat sinks with mounting clips; dimensions in inches (mm)
M3
0.16 (4) to
maintain
insulation
1.04
(26.5)
clips: L19100
Thermal grease
Printed circuit board
Figure 7b — Clips with screws on standard heat sinks; dimensions in inches (mm)
In each case, allow 0.16 in. (4mm) between the printed circuit board and the heat sink to keep a correct insulation
between input to output (0.16 in./4mm insulated washer). To maintain a good contact between the SSR and the heat
sink, use thermal grease.
LS 4
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2006 TELEDYNE RELAYS
LS\082006\Q2
Series LS
MECHANICAL SPECIFICATION
±.01
L19101 CLIP
M4
1.18 (30)
=
=
1.86 (47.2)
±.01
Figure 9a – Clip for FW100 and FW150 heat sinks
M4
Length:
FW100 = 3.94 (100)
=
=
.31 (7.9)
FW150 = 5.9 (150)
±.01
.28
(7)
.99
(25.2)
±.01
Thermal grease
Relay
.16 (4)
Figure 8 – FW100 and FW150 heat sinks;
dimensions in inches (mm)
FW100 heat sink with Max Clip System*
Rth = 3.6°C/W (4 SSRs)
Rth = 4°C/W (1 SSR)
FW150 heat sink with Max Clip System*
Rth = 2.6°C/W (4 SSRs)
Rth = 3°C/W (1 SSR)
*The Max Clip System of Aavid Thermalloy, patented worldwide
.07 (1.7)
Figure 9b – Mounting with L19101 clip;
dimensions in inches (mm)
±.01
L19100 CLIP
Thermal grease
M3
Relay
1.04 (26.5)
.16 (4)
Figure 10a – Clips with
screws for other heat sinks
±.01
.07 (1.7)
Figure 10b – Mounting with L19100 clip;
dimensions in inches (mm)
NOTES
1. 0.16-inch (4mm) mounting washer must have correct
insulation between input to output.
© 2006 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
LS 5
LS\082006\Q2
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