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M221-L
1 Form A Solid State Relay DESCRIPTION
The M221-L is a bi-directional, single-pole, single-throw, normally open multipurpose solid-state relay in a miniature 4-pin small outline package. It is designed to replace electromechanical relays in general purpose switching applications. The relay consists of an integrated circuit that drives two rugged source-to-source enhancement type DMOS transistors - optically coupled to a light emitting diode. This device also includes current-limiting circuitry. During increased load currents or transient current spikes, this circuitry acts to limit current in order to protect itself as well as downstream components.
FEATURES
APPLICATIONS
* * * * * * *
Transient over current protection (170mA TYP) Low input control power consumption (2.5mA TYP) 120mA maximum continuous load current 30 ohms maximum on-resistance Ultra miniature 4-pin small outline package High input-to-output isolation Long life/high reliability
* * * * *
Reed relay replacement Meter reading systems Medical equipment Battery monitoring Multiplexers
OPTIONS/SUFFIXES*
ABSOLUTE MAXIMUM RATINGS*
PARAMETER Storage Temperature Operating Temperature UNIT C C mA A V mW MIN -55 -40 TYP MAX 125 85 50 1 5 400
*
-TR
Tape and Reel
NOTE: Suffixes listed above are not included in marking on device for part number identification.
SCHEMATIC DIAGRAM
Continuous Forward Current Peak Forward Current (1us) Reverse Input Control Voltage Output Power Dissipation
*The values indicated are absolute stress ratings. Functional operation of the device is not implied at these or any conditions in excess of those defined in electrical characteristics section of this document. Exposure to Absolute Ratings may cause permanent damage to the device and may adversely affect reliability.
APPROVALS
*
BABT CERTIFICATE #650192: BS EN 60950, BS EN 41003, BS EN 60065
(c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600
Page 1 of 5
M221-L rev 1.40 (10/25/2004)
M221-L
1 Form A Solid State Relay
ELECTRICAL CHARACTERISTICS - 25C
PARAMETER INPUT SPECIFICATIONS
LED Forward Voltage LED Reverse Voltage Turn-On Current Turn-Off Current V V mA mA 6 1.2 12 2.5 0.5 5 1.5 If = 10mA Ir = 10uA Io = 120mA
UNIT
MIN
TYP
MAX
TEST CONDITIONS
OUTPUT SPECIFICATIONS
Blocking Voltage Continuous Load Current Current Limit On-Resistance Leakage Current Output Capacitance Offset Voltage V mA mA A pF mV 140 170 22 0.2 25 400 120 220 30 1 50 0.2 Io = 1uA If = 5mA If = 5mA, T = 5ms Io = 120mA Vo = 400V Vo = 25V, f = 1.0MHz If = 5mA
COUPLED SPECIFICATIONS
Isolation Voltage Turn-On Time Turn-Off Time Isolation Resistance Coupled Capacitance Contact Transient Ratio V ms ms G pF V/ s 2000 100 3 7000 dV = 50V 1500 1.5 0.1 5 0.5 T = 1 minute If = 5mA, Io = 120mA If = 5mA, Io = 120mA
(c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600
Page 2 of 5
M221-L rev 1.40 (10/25/2004)
M221-L
1 Form A Solid State Relay
PERFORMANCE DATA
M221-L Typical Turn-On Time Distribution N = 100, Ambient Temperature = 25C
M221-L Typical Turn-Off Time Distribution N = 100, Ambient Temperature = 25C
40 Device Count 30 20 10 0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Turn-On Tim e (m s)
40 Device Count 30 20 10 0 0 0.04 0.08 0.12 0.16 0.2 0.24 0.28 Turn-Off Tim e (m s)
M221-L Typical On-Resistance Distribution N = 100, Ambient Temperature = 25C
M221-L Typical Leakage Current Distribution N = 100, Ambient Temperature = 25C
40 Device Count 30 20 10 0 20 21 22 23 24 25 26 27 On-Resistance (ohm s) Device Count
60 50 40 30 20 10 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 Leakage Current (uA)
M221-L Typical Blocking Voltage Distribution N = 100, Ambient Temperature = 25C
M221-L Maximum Load Current vs. Temperature
30 20 10 0 400 410 420 430 440 450 460 470 Blocking Voltage (V)
Load Current (mA)
40 Device Count
150 100 50 0
0 20 40 60 -4 0 -2 0 80
Tem perature (C)
(c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600
Page 3 of 5
M221-L rev 1.40 (10/25/2004)
M221-L
1 Form A Solid State Relay
MECHANICAL DIMENSIONS 4 PIN SMALL OUTLINE PACKAGE
END VIEW
TOP VIEW
BACK VIEW
(c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600
Page 4 of 5
M221-L rev 1.40 (10/25/2004)
M221-L
1 Form A Solid State Relay
DISCLAIMER
Solid State Optronics (SSO) makes no warranties or representations with regards to the completeness and accuracy of this document. SSO reserves the right to make changes to product description, specifications at any time without further notice. SSO shall not assume any liability arising out of the application or use of any product or circuit described herein. Neither circuit patent licenses nor indemnity are expressed or implied. Except as specified in SSO's Standard Terms & Conditions, SSO disclaims liability for consequential or other damage, and we make no other warranty, expressed or implied, including merchantability and fitness for particular use.
LIFE SUPPORT POLICY
SSO does not authorize use of its devices in life support applications wherein failure or malfunction of a device may lead to personal injury or death. Users of SSO devices in life support applications assume all risks of such use and agree to indemnify SSO against any and all damages resulting from such use. Life support devices are defined as devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when used properly in accordance with instructions for use can be reasonably expected to result in significant injury to the user, or (d) a critical component in any component of a life support device or system whose failure can be reasonably expected to cause failure of the life support device or system, or to affect its safety or effectiveness.
(c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600
Page 5 of 5
M221-L rev 1.40 (10/25/2004)

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