S/CON/SOM675/C/18/12/14 Page 1/6 UK MOSFET BASED DC SOLID-STATE RELAY (With built-in transient voltage suppressor) SOM675 Latest MOSFET technology generation. Ultra low on-state resistance. Low output leakage current. Low control current consumption. Built-in overvoltage protection (TVS) Reverse protected triggered control input to avoid linear control risks No radiated or conducted disturbances Touch protected housing IP2 Control voltage range Max transient peak voltage Max. DC Mains peak voltage Max. Load Current (with heatsink) 3.5-32VDC 75V 4VDC 6ADC DC Mains voltage range 5-4VDC (75Vpeak) Load current range Up to 6A (with heatsink) Control input voltage range In & case / Out Insulation Connections Dimensions (WxHxD) Weight 3.5-32VDC 2.5kV Screw terminals 45 x 58.5 x 3 8g Fig. 1 HIGH SIDE WIRING DIAGRAM (Load connected to - ) Fig. 2 LOW SIDE WIRING DIAGRAM (Load connected to + ) Please consult us to select the right protective components C1 & D2. (see also accessory list page 5) Please consult us to select the right protective components C1 & D2. (see also accessory list page 5) The red paths (C1/D2) must be as short as possible! The red paths (C1/D2) must be as short as possible! Fig. 3 INTERNAL DIAGRAM Proud to serve you Data given at Tambient=25 C and subject to modification without previous notice
S/CON/SOM675/C/18/12/14 Page 2/6 UK CONTROL INPUT CHARACTERISTICS INPUT CIRCUIT CHARACTERISTIC LABEL VALUE INFO. Fig. 4 Nom. Control voltage Ucnom 12-24VDC Nom. Control current Icnom 35mADC -1µA/ C Control voltage range Uc 3.5 32VDC typical=3.3v Control current consumption Ic 32 35mADC See curve Releasing control voltage Ucoffmax 1VDC Typical= 2.6V Max. reverse control voltage Input impedance -Ucmax 32VDC -Icmax <1µA Rin Current limitation See curve Ic (madc) 5 45 4 35 3 25 2 15 1 5 CONTROL CURRENT vs. CONTROL VOLTAGE -35 C 25 C 1 C 2 4 6 8 1 12 14 16 18 2 22 24 26 28 3 32 Uc (VDC) TIME CHARACTERISTICS TIME CHARACT. CHARACTERISTIC LABEL VALUE Turn on time ton 2µs Turn on delay tdon 2µs Turn off time toff 2µs Turn off delay tdoff 2µs Max. On-Off frequency F(on-off) >1Hz For high frequency, take 2 x Ie to calculate the heatsink; the protections must be chosen carefully. Please consult us if any. POWER OUTPUT CHARACTERISTICS CHARACTERISTIC LABEL VALUE INFO. POWER CIRCUIT Nominal voltage Uenom 24VDC Voltage range Ut Ue 5-4VDC Utmax=4VDC Non-repetitive peak voltage Utp 75V Overvoltage protection D1 39V (Transient voltage suppressor) Off-state max reverse voltage drop (internal diode) Maximum nominal currents -Ut.92V Ie max Resistive 6A Motor Please contact us 15W / 1ms See fig.1 & 11 @Ie=75A & @Uc= See fig. 6 See fig. 9 Max. non-repetitive peak current Iepeak Switch OFF D<1% Switch OFF Fmax ON-state @Tc=1 C @Tj=175 C 294A 6A 75A @Utp (See fig. 8) Min. load current Iemin 5mA Max. leakage current Ielk max 3mA @Utmax @Tjmax Max. on-state resistance RDSon 4.5mOhms @Tj=25 C 8.2mOhms @Tj=125 C @Iemax Typ. output capacitance Cout 1.5nF @Utp Junction/case thermal resistance per power element Built-in heatsink thermal resistance vertically mounted Rthjc 1.2K/W Rthra 1K/W @ Tra=75 C Heatsink thermal time constant Tthra 1 minutes @ Tra=6 C Control inputs/power outputs insulation voltage Uimp 2.5kV Inputs/case insulation voltage Uimp 2.5kV Outputs/case insulation voltage Uimp 2.5kV Isolation resistance Rio 1G Isolation capacitance Cio <8pF Maximum junction temperature Tjmax 175 C Storage ambient temperature Tstg -4->+1 C Operating ambient temperature Tamb -25->+9 C See fig. 9 Max. case temperature Tc 1 C
S/CON/SOM675/C/18/12/14 Page 3/6 UK OUTPUT SWITCH CHARACTERISTIC CURVES Fig. 5 ON RESISTANCE VS JUNCTION TEMPERATURE Fig. 6 RDSon 1 12 (mohms) -Ie (A) REVERSE VOLTAGE DROP VS REVERSE CURRENT Fig. 7 1 8 6 4 2-5 5 1 15 Tj ( C) POWER ELEMENT TRANSIENT THERMAL IMPEDANCE vs. PULSE DURATION Fig. 8 1 1 1,1 Uc= ; Tj=125 C Uc ; Tj=125 C -Ut (V),5 1 1,5 2 2,5 3 ON-STATE PEAK OVERLOAD CURRENT vs. PULSE DURATION Zthjc (K/W),35 8 7 Ie (Apk) Non-repetitive D=1% (Tc=1 C, Tjmax=175 C),3 Repetitive D=5% (Tc=1 C, Tjmax=175 C) 6 Repetitive D=1% (Tc=1 C, Tjmax=175 C),25 5 Repetitive D=2% (Tc=1 C, Tjmax=175 C),2,15,1 D=5% D=2% D=1% D=5% D=2% 4 3 2,5 D=1% 1 Single pulse Repetitive D=5%(Tc=1 C, Tjmax=125 C),1,1,1,1 Pulse 1,1,1,1,1 t (s) 1 Duration (s) Fig. 9 POWER DISSIPATED AND LOAD CURRENT LIMIT VS TEMPERATURE Permanent current Ie (ARMS) 65 6 55 5 45 4 35 3 25 2 15 1 5 Please refer to the installation notice for precautions about mounting the device on a heatsink..75k/w 1K/W 4K/W 2.2K/W 2.1K/W 1.2K/W 1.1K/W.9K/W Power dissipated Pd (W) 34.8.55K/W.3K/W 1 2 3 4 5 6 7 8 9 1 11 Ambient temperature ( C) 1K/W = No Heatsink / 1LD122 4K/W = 15x15x3mm aluminium sheet 2.2K/W = WF2621 / WF1512 2.1K/W = WF21 1.2K/W = WF121 1.1K/W = WF1311.9K/W = WF1151.75K/W = WF7.55K/W = WF5.3K/W = WF311 29.7 24.9 2.6 16.7 13.2 1.1 7.42 5.15 3.3 1.85.82.21
S/CON/SOM675/C/18/12/14 Page 4/6 UK BUILT-IN OVERVOLTAGE PROTECTION CHARACTERISTICS Fig. 1 LEAKAGE CURRENT (Ielk) VS DC OUTPUT SWITCH VOLTAGE (Ut) Fig. 11 OVERVOLTAGE DURATION AND FREQUENCY ABSOLUTE LIMITS Ielk / Ie 1,8,6,4,2 5 1 15 2 25 3 35 4 45 5 55 6 65 7 75 Ut (V) Utmax Utp (=Uemax) Ielk : Leakage current of the relay Ie : User load nominal current Utp : Relay max. non repetitive peak voltage Utmax : Max. nominal voltage of the relay Uto : Possible overvoltage above Utmax Utn = Ue : User DC power supply voltage Uto Utp. 75 t max (Uto Ut max) Ie P (Uto ( protection Ut max) T 1W max Ie t 1 t : Overvoltage duration T: Time between 2 overvoltage ) GENERAL INFORMATION Display Green LED (indicates relay has switched ON) MISC. Housing Mounting Noise level UL94V 2 screws (M4x12mm ; tightening = 1.2N.m) None See mounting sheet Weight 8g STANDARDS GENERAL Standards Protection level Protection against direct touch CE marking UL, culus IEC6947-1 IP2 Yes Yes Yes E.M.C. IMMUNITY TYPE OF TEST STANDARD LEVEL EFFECT Fast transients bursts EN61-4-4 4kV criterion B Electric chocks EN61-4-5 1kV criterion B Voltage drop EN61-4-11 -
S/CON/SOM675/B/22/8/13 S/CON/SOM675/C/18/12/14 Page 5/6 UK CONNECTIONS IP2 flaps Flaps are delivered mounted on the relay. Labels Marking labels are available, for mounting on flaps. Part number : 1MZ9 (delivered per 2 parts) FASTONS : Consult us
S/CON/SOM675/C/18/12/14 Page 6/6 UK DIMENSIONS AND ACCESSORIES Fig. 12 CAD documents : www.-relais.com/uk/plan3d.asp DIMENSIONS (mm) 2-1+ ACCESSORIES READY TO USE OVERVOLTAGE PROTECTION ESO1 (Please check our website for availability) This device includes a diode (D2) and a capacitor (C1) suitable for most of the DC application. To be mounted close to the SOM. Please consult our website for other accessory references (Heatsinks, mounting adaptors, thermal grease ) www..com 5 Rue Ampère B.P. 34 4229 SORBIERS - FRANCE E-Mail : -relais@.com Fax +33 () 4 77 53 85 51 Service Commercial France Tél. : +33 () 4 77 53 9 2 Sales Dept.For Europe Tel. : +33 () 4 77 53 9 21 Sales Dept. Asia : Tél. +33 () 4 77 53 9 19