The 53246 is a SPST, radiation tolerant, DC solid-state relay (SSR) designed for military and space applications.
This light-weight device is resistant to damage from severe shock and vibration, and is immune to contact related
problems inherent in electro-mechanical relays. The SSR is enclosed in a hermetic metal package to ensure
reliability in harsh environments. Effective isolation of 1000 VDC between control and load circuits is achieved
through the use of optical coupling.
Functionally, the device operates as a single-pole single-throw, normally open (1 Form A) DC solid-state relay. The
SSR is actuated by an input current of 5 to 15 mA, which can be supplied from standard logic types such as a
standard TTL device. Output is provided by a power MOSFET exhibiting very low R
DS(ON)
and capable of carrying a
continuous current of 2 amperes. This design has demonstrated it will function with minimal degradation after
exposure to 100 krad (Si) total dose. The 53246 is available in a variety of quality levels from COTS to class K
including any custom screening requirements. The basic data sheet part is environmentally screened to H level in
accordance with Table C-IX of MIL-PRF-38534.
ABSOLUTE MAXIMUM RATINGS
Output Voltage ....................................................................................................................................................... 50 VDC
Continuous Output current ............................................................................................................................................ 2 A
Peak Output Current
(1)
........................................................................................................................................ 19 A
Storage Temperature Range ..................................................................................................................-65°C to +150°C
Operating Junction Temperature............................................................................................................ -55°C to +150°C
Lead Solder Temperature, for 10 seconds .............................................................................................................300°C
Continuous Input Current .........................................................................................................................................20 mA
Peak Input Current
(2)
............................................................................................................................................. 100 mA
Reverse Input Voltage ............................................................................................................................................. 6 VDC
Power Dissipation
(3)
...................................................................................................................................................20 W
Linear Derating Factor....................................................................................................................................... 0.15 W/°C
WEIGHT:
3.7 grams (typical
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION
•
905 E. Walnut St., Garland, TX 75040
•
(972) 272-3571
•
Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
01/30/01
Preliminary Data Sheet
53246
Radiation Tolerant 40VDC – 2A Solid State Relay
RECOMMENDED OPERATING CONDITIONS:
Parameter
Output Voltage
Continuous Output Current
Input Current (on)
Input Voltage (off)
Operating Case Temperature
Symbol
V
O (OFF)
I
O (ON)
I
F (ON)
V
F (OFF)
T
C
5
0
-55
Min.
Max.
40
2
15
1
125
Units
VDC
A
mA
VDC
°C
ELECTRICAL SPECIFICATIONS (Pre-Irradiation)
T
C
= -55°C to +125°C unless otherwise specified
Parameter
Symbol
Min.
Typ.*
Max.
Unit
s
Ω
µA
VDC
VDC
µA
ms
ms
ms
ms
°C/W
nF
pF
pF
V
O
= 28 VDC
f = 1 MHz
V
F
= 0 V
f = 1 MHz
V
I-O
= 0 V
f = 1 MHz
4
Test Conditions
I
F
= 15 mA
I
O
= 1 A
V
F
= 1 VDC
V
O
= 50 VDC
I
F
= 15 mA
I
R
= 10
µA
RH
≤
45%, t = 5 s
V
I-O
= 1000 VDC
T
C
= 25°C
I
F
= 15 mA
I
O
= 10 A
V load = 40 VDC
Pulse width = 10 ms
Duty cycle
≤
1%
4, 5
Figures
3, 4
Figures
3, 5
6,
Figure 3
Notes
Output On-Resistance
Output Leakage Current
Input Forward Voltage
Input Reverse Breakdown Voltage
Input-Output Leakage
Turn-On Time
Turn-Off time
Rise Time
Fall Time
Thermal Resistance (junction-case)
Output Off-Capacitance
Input Capacitance
Input-Output Capacitance
* All typical values are at T
C
= 25°C
R
(ON)
I
O (OFF)
V
F
V
R
I
I-O
t
ON
t
OFF
t
R
t
F
θ
JC
C
O (OFF)
C
IN
C
I-O
3.10
6
.032
<1
3.75
40
2.8
61
2.1
31
5.5
1.8
27
3.8
.060
250
4.20
1
8.0
80
6.0
50
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION
•
905 E. Walnut St., Garland, TX 75040
•
(972) 272-3571
•
Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
01/30/01
Preliminary Data Sheet
Notes:
1.
2.
3.
4.
5.
6.
53246
Radiation Tolerant 40VDC - 2A Solid State Relay
Non-repetitive, pulse width
≤
10 ms, T
C
= 25°C (see Figure 6).
Non-repetitive, pulse width
≤
100
µs,
T
C
= 25°C.
Case Temperature T
C
= 25°C (see Figure 7).
Input pins shorted together and output pins shorted together.
Input-output potential applied momentarily, not an operating condition.
Rise time is measured from 10% to 90% of load current (90% to 10% of V
O
). Fall time is measured from 90% to
10% of load current (10% to 90% of V
O
).
CAUTION:
Care should be taken so as not to exceed the maximum power dissipation and maximum junction temperature
when repetitively switching loads.
INPUT
ON
OFF
OUTPUT
ON
OFF
Figure 1. Truth Table
Figure 1. Terminal Connections
+V
C
R
S
+DC SUPPLY
R
LOAD
1
4
2
-V
C
3
TOP VIEW
OUTPUT GND
Figure 2. Terminal Connections
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION
•
905 E. Walnut St., Garland, TX 75040
•
(972) 272-3571
•
Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
01/30/01
Preliminary Data Sheet
53246
Radiation Tolerant 40VDC – 2A Solid State Relay
Z O = 50
t R = t F = 10ns
PULSE
GENERATOR
V LOAD = 40 V
R
L
= 20
1
4
VO MONITOR
C L = 25 pF
(INCLUDES PROBE AND
FIXTURE CAPACITANCE)
F
MONITOR
(100mV/mA)
I
2
100
3
50%
IF
50%
VO
10%
90%
t
ON
t
OFF
Figure 3. Switching Waveforms and Test Circuits
25
Turn-on Time (ms)
Turn-off Time (ms)
15mA
80
60
40
20
0
95
125
-55
-25
5
35
65
95
125
Temperature (°C)
20
15
10
5
0
-55
-25
5
5mA
10mA
35
65
Temperature (°C)
Figure 4. Turn-on Time vs. Case Temperature
for Different Values of I
F
(typical data).
Figure 5. Turn-off Time vs. Case Temperature
with I
F
= 5 to 15mA (typical data).
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION
•
905 E. Walnut St., Garland, TX 75040
•
(972) 272-3571
•
Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
01/30/01
Preliminary Data Sheet
53246
Radiation Tolerant 40VDC - 2A Solid State Relay
Maximum Average Power
Dissipation (W)
20
Maximum Peak Output
Current (A)
40
30
20
10
0
-55
-25
5
35
65
95
125
-55
-25
5
35
65
95
125
Temperature (°C)
Temperature (°C)
15
10
5
0
Figure 6. Maximum Non-repetitive Output Current
vs. Case Temperature (pulse width
≤
10 ms).
Figure 7. Maximum Average Output Power
Dissipation vs. Case Temperature.
TOTAL DOSE TEST RESULTS
Disclaimer: The data of 3 representative units irradiated in Cobalt-60 chamber is only typical of one lot of
solid state relays. Micropac does not guarantee performance of its SSR to these radiation levels. Individual
lots have to be screened to guarantee the performance.
10
Turn-On Time, ms
8
6
4
2
0
0
50
Total Dose, krad (Si)
100
Rise Time, ms
10
8
6
4
2
0
0
50
Total Dose, krad (Si)
100
Figure 8. Turn-On Time vs Total Dose
at V
out
= 28 V, R
load
= 35
Ω,
I
in
= 15 mA, 10% duty cycle.
Figure 9. Rise Time vs Total Dose
at V
out
= 28 V, R
load
= 35
Ω,
I
in
= 15 mA, 10% duty cycle.
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION
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