SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATASHEET 5100, Rev -
SRPC Series
.5A to 25A
28V DC Solid State Power Controller Module
Description:
These Solid State Power Controller (SSPC) Modules are designed to operate without any heatsink
requirements. They are microcontroller-based Solid State Relays rated up to 25A designed to be used in high
reliability 28V DC applications. These modules have integrated current sensing with no derating over the full
operating temperature range. These modules are the electronic equivalent to electromechanical circuit
breakers with isolated control and status. This series is supplied in 5 SSPC current levels. The 7A model is
available with failsafe operation (non-latching)
SRPC0.5D28
SRPC2D28
SRPC7D28
SRPC15D28
SRPC25D28
SRPC7D28F
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28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
0.5A
2A
7A
15A
25A
7A
Latching
Latching
Latching
Latching
Latching
Non-Latching
Module Features:
No additional heat sinking or external cooling required
Extremely Low Power, No Derating Over the Full Temperature Range
Potted Module
Solid State Reliability
Electrical Features:
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28VDC Input with Very Low Voltage Drop; 180mV, max. @ 25A
True I
2
t Protection up to 17X rating with Nuisance Trip Suppression
Instant Trip Protection (200
μsec
typ)
Unlimited Interrupt Capability; Repetitive Fault Handling Capability
Thermal Memory
Internally Generated Isolated Supply to Drive the Switch
Low Aux Supply Current: 10 mA typ @ 5V DC
High Control Circuit Isolation: 100V DC Control to Power Circuit
Soft Turn-On to Reduce EMC Issues
EMI Tolerant
Input control doubles as reset; Reset Circuit is Trip-Free
TTL/CMOS Compatible, Optically Isolated, Input and Outputs
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221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798
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World Wide Web - http://www.sensitron.com
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E-Mail Address - sales@sensitron.com
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Page 1
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATASHEET 5100, Rev -
SRPC Series
.5A to 25A
Table 1: Electrical Characteristics (at 25°C and VAUX = 5.0V DC unless otherwise specified)
Control & Status
(TTL/CMOS Compatible)
AUX Supply (Vcc)
AUX Supply (Vcc) Current
Status & BIT/TRIP Signals
CONTROL Signal
V
IL
V
IH
R
IN
5.0V DC Nominal, 7V DC Absolute Maximum
4.5V to 5.5 VDC
10 mA typ
20 mA, max
V
oh
=3.7V, min, at I
oh
= -8mA
V
ol
=0.4V, max, at I
ol
= 2mA
0.8V, max
2V, min
101 kOhm, typ
Power
Input Voltage – Continuous
– Transient
Power Dissipation
Current
Max Voltage Drop
Max current without tripping
Trip time
9V to 40V DC, 43V DC Absolute Maximum
+100V or –100V Spike (< 10 µs)
See
Table
5
See
Table
5
See Trip Curves, Figure 1,Figure 2,Figure 3
See
Table
5
110% min
See Trip Curves, Figure 1,Figure 2,Figure 3
Protection
Instant Trip
See Trip Curves, Figure 1,Figure 2,Figure 3
Table 2: Physical Characteristics
Temperature
Operating Temperature
Storage Temperature
T
A
= -40
°C
to +100
°C
T
A
= -55
°C
to +125
°C
Environmental
Altitude
Case Dimensions
Weight
Up to 30,000 ft
Can be installed in an unpressurized area
2.00” x 1.95” x 0.44”
60 grams typ, 140 grams max
•
221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
•
Page 2
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATASHEET 5100, Rev -
Figure 1: Trip Curve for SRPC0.5D28 and SRPC2D28
SRPC Series
.5A to 25A
Figure 2: Trip Curve for SRPC7D28 and SRPC7D28F
•
221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
•
Page 3
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATASHEET 5100, Rev -
Figure 3: Trip Curve for SRPC15D28 and SRPC25D28
SRPC Series
.5A to 25A
Figure 4: Timing Diagram
•
221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
•
Page 4
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATASHEET 5100, Rev -
SRPC Series
.5A to 25A
Table 3: Signal Timing (-40°C to 100°C, 28VDC_IN = 28VDC)
Parameter
CONTROL to GATE Status Delay for Turn On
Turn ON Delay
Load Current Rise Time
Turn ON to LOAD Status Delay
CONTROL to GATE Status Delay for Turn Off
Turn OFF Delay
Load Current Fall Time
Turn OFF to LOAD Status Delay
Symbol
t0
t1
t2
t3
t4
t5
t6
t7
Min
Max
500
1
200
2
500
1
200
2
Units
μs
ms
μs
ms
μs
ms
μs
ms
50
50
Note: Current Fall Time from trip is dependent on magnitude of overload
All dimensions are in inches
Figure 5: SRPC0.5D28 Mechanical Dimensions / Connector Keying
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221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
•
Page 5
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