MCR67 MOTOROLA | Alldatasheet
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MOTOROLA SC (DIODES/OPTO) 256 D MM 6367255 0081119 0 mm TH28-IS T-25-/7 Silicon Controlled Rectifiers Series Reverse Blocking Triode Thyristors MCR68 +++ designed for overvoltage protection in crowbar circuits, Series © Glass-Passivated Junctions for Greater Parameter Stability and Reliability MCR69 © Center-Gate Geametry for Uniform Current Spreading Enabling High Discharge . Current Series © Small Rugged, Thermowatt or Metal Packages Constructed for Low Thermal Resistance for Maximum Power Dissipation and Durability © High Capacitor Discharge Current
300 Amps (MCR67, 68) SCRs
750 Amps (MCR69) 12 and 25 AMPERES RMS
[mcne7[mcnés] wcre9| pop —ox Repatitive Peak Forward or Reverse VoRM Volts: Blocking Voltage, Note 1 or (Ty = —40 to +126°C) VRRM 2 50 MCR67, 68, 69 3 100 6 400 g ‘On-Stata Current (To = 85°C) itAMs) CASE 2214-04 (1/2 Cycle, Sine Wave, 60 Hz) IAW) (TO-220AB) STYLES Peak Non-Repetitive Surge Current ["iiseacSaetetene evar |= | | | | Am] | menue see [ circuit Fusing t= ems | Rt | a0 | 40 | 376 | ats | | Grtical Rate-ofRiso of Currant Notes) | avat_ |" 75 | 100 | Ans _| | Peak Gate Current it<2us) | tom | 2 | Amps | | Peak Gate Powertt<2ue) | oiet Paak Gate Power <2 nal [Pom [20 Watts | STYLE [ Average Gate Power [Pau] | Waatt_| MCRG7 Series [Mounting torque LE = Ps Te [8 Tin | THERMAL CHARACTERISTICS [ Thermal Resistance, uncon to case | Rac | 2 [ 2 | +8 | cow | [Thermal Resistance, Junction to Ambient | Raya | 60 | sc | Notes: 1. VorM for all types can be applied on @ continuous basis over the operating Junction Tat ure mange without eurog demage, ange apply or een or eherted gate conditions oF negative voltage on the gate. Devices should not be tested for blocking voltages auch that the ‘aupply voltage exceeds the rating of the device. +2. Retings apply for tw = 1 ms. See Figure 1 for Ty capabllity for various duration of an ‘exponentially decaying current waveform, tw Is defined as 6 time constants of an exponentially decaying cuton pies, 8, Test Conditions: ig = 160 mA, Vp = Rated Vonm. ITM = Rated Value, Ty = 125°C. CLUE EE MOTOROLA THYRISTOR DEVICE DATA 3-238
MCR67 Series ¢ MCR68 Series ¢ MCR69 Series Tas-/7 ELECTRICAL CHARAGTERISTICS (t¢ = 25°C unless otherwise notes) ‘MM 3725S OO8lL2O 7 Me [————Charactoitle Symbol twin | typ [Mow | Unit | Peak Forward or Raverse Blocking Current IDRM: RRM (Rated VorM or VanM) Ty = 26°C uA Ty = 125°C mA Forward On-State Voltage VIM Volts (tym = 24 Amps), Note 1 MCR67, 68 - (itm = 50 Amps), Note 1 MCRE9 - (TM = 300 Amps, tw = 1 ms), Note 2 MCR67, 68 6 (lta = 750 Amps, ty = 1 ms), Note 2 MCR69 6 Gate Trigger Current (Continuous do) lor 7 Gate Trigger Voltage (Continuous de) Ver (Vp = 12 Volts, RL = 100 0) 0.65 (Vp = Rated VonM. RL = 1k9, Ty = 126°C) 0.40 Holding Current mA (itm = 100 mA, Gate-Open) Latching Current I mA (Vp = 12 Vdo, Ig = 150 mA, ty < 50 us} Critical Rate-of-Rise of Off-State Voltage dvidt Vins (Vp = Rated Vom. Gate Open, Exponential Waveform, Ty = 126°C)| Gate Controlled Turn-On Time, Note 3 (Vp = Rated VprM: Iq = 160 mA) (itm = 24 Amps, peak) MCR67, 68 (ttm = 60 Amps, peak) ‘MCR69 Notes: 1, Pulse duration < 300 1s, duty cycle < 2%. 2, Ratings apply for ty = 1 ma Se Figure t for I copebilty for various durations of en exponentially deovaing current waveform. ty is defined as 6 time constants of an exponentially decaying current pulse. 3. The gate controlled turn-on time In a crowbar circuit will be Influenced by the circuit inductance. MOTOROLA SC (DIODES/OPTO) 25E D | 3 | FIGURE 2 - PEAK CAPACITOR DISCHARGE FIGURE 1 — PEAK CAPACITOR DISCHARGE CURRENT CURRENT DERATING oe rT TErTirret tl Fol TE TT Ett
3 SS See Perey ye ret
2 ap eee a= int Se belt} PSS —— +f a — wall L Crt Loe oot as
2 OE Me sees ET TTT Ty Tt
Boh TL) SHEE Z| | [iy | 2 ecto FEE CCCP Pa ee Coir Tt tti 2. a a a 9s su PULSE CURRENT OURATIN ns) 1, CAS TEMPERATURE a Rn ee a ee MOTOROLA THYRISTOR DEVICE DATA 3-239