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2 * Selected Packages U.L. RECONIZED File #E71639 E4 *TO-22 *TO-218X *TO-218 TO-263 D 2 Pak TO-252 D-Pak TO-251 V-Pak Alternistor Triacs (6 A to 4 A) RoHS E4 eneral Description Teccor offers bidirectional alternistors with current ratings from 6 A to 4 A and voltages from 2 V to 1 V as part of Teccor's broad line of thyristors. Teccor's alternistor is specifically designed for applications that switch highly inductive loads. A special chip offers the same performance as two thyristors (SCRs) wired inverse parallel (back-to-back), providing better turn-off behavior than a standard triac. An alternistor may be triggered from a blocking to conduction state for either polarity of applied AC voltage with operating modes in Quadrants I, II, and III. This new chip construction provides two electrically separate SCR structures, providing enhanced dv/dt characteristics while retaining the advantages of a single-chip device. All alternistors have glass-passivated junctions to ensure longterm reliability and parameter stability. Teccor's glass-passivated junctions offer a reliable barrier against junction contamination. Teccor's TO-218X package is designed for heavy, steady powerhandling capability. It features large eyelet terminals for ease of soldering heavy gauge hook-up wire. All the isolated packages have a standard isolation voltage rating of 25 V rms. Variations of devices covered in this data sheet are available for custom design applications. Consult the factory for further information. Features RoHS Compliant High surge current capability lass-passivated junctions 25 V ac isolation for L, J, and K Packages High commutating dv/dt High static dv/dt 24 Littelfuse, Inc. E4-1 Thyristor Product Catalog

3 Alternistor Triacs Data Sheets I T(RMS) (4)(16) Isolated Part Number Non-isolated V DRM I T I DRM (1) (3) (7) (15) (17) (1) (18) mamps mamps T-22 TO-22 TO-251 TO-252 TO-263 V-Pak D-Pak D 2 T C = T C = T C = Pak Volts QI QII QIII 25 C 1 C 125 C MAX See Package Dimensions section for variations. (11) MIN MAX MAX Q26VH3 Q26DH Q46VH3 Q46DH Q66VH3 Q66DH Q26VH4 Q26DH Q46VH4 Q46DH A Q66VH4 Q66DH Q86VH4 Q86DH QK6VH4 QK6DH Q26LH4 Q26RH4 Q26NH Q46LH4 Q46RH4 Q46NH Q66LH4 Q66RH4 Q66NH Q86LH4 Q86RH4 Q86NH QK6LH4 QK6RH4 QK6NH Q28VH3 Q28DH Q48VH3 Q48DH Q68VH3 Q68DH Q28VH4 Q28DH Q48VH4 Q48DH A Q68VH4 Q68DH Q88VH4 Q88DH QK8VH4 QK8DH Q28LH4 Q28RH4 Q28NH Q48LH4 Q48RH4 Q48NH Q68LH4 Q68RH4 Q68NH Q88LH4 Q88RH4 Q88NH QK8LH4 QK8RH4 QK8NH Q21LH5 Q21RH5 Q21NH A Q41LH5 Q41RH5 Q41NH Q61LH5 Q61RH5 Q61NH Q81LH5 Q81RH5 Q81NH QK1LH5 QK1RH5 QK1NH Q212LH5 Q212RH5 Q212NH A Q412LH5 Q412RH5 Q412NH Q612LH5 Q612RH5 Q612NH Q812LH5 Q812RH5 Q812NH QK12LH5 QK12RH5 QK12NH See eneral Notes and Electrical Specification Notes on page E E Littelfuse, Inc Thyristor Product Catalog

4 Data Sheets Alternistor Triacs V T V TM I H I TM P M P (AV) I TSM dv/dt(c) dv/dt t gt I 2 t di/dt (2) (6) (15) (17) (2) (1) (5) (1) (8) (12) (14) (14) (9) (13) (1) (4) (13) (1) (1) (19) Volts Amps Volts/µSec T C = 25 C Volts mamps Amps Watts Watts 6/5 Hz Volts/µSec T C = 1 C T C = 125 C µsec Amps 2 Sec Amps/µSec MAX MAX MAX MIN MIN TYP / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / See eneral Notes and Electrical Specification Notes on page E Littelfuse, Inc. E4-3 Thyristor Product Catalog

5 Alternistor Triacs Data Sheets I T(RMS) (4)(16) Isolated Part Number Non-isolated V DRM (1) I T (3) (7) (15) (17) mamps T-22 TO-218 (16) TO-218X TO-22 TO-263 D 2 Pak Volts QI QII QIII MAX See Package Dimensions section for variations. (11) MAX Q216LH3 Q216RH3 Q216NH Q416LH3 Q416RH3 Q416NH Q616LH3 Q616RH3 Q616NH Q816LH3 Q816RH3 Q816NH QK16LH3 QK16RH3 QK16NH Q216LH4 Q216RH4 Q216NH Q416LH4 Q416RH4 Q416NH A Q616LH4 Q616RH4 Q616NH Q816LH4 Q816RH4 Q816NH QK16LH4 QK16RH4 QK16NH Q216LH6 Q216RH6 Q216NH Q416LH6 Q416RH6 Q416NH Q616LH6 Q616RH6 Q616NH Q816LH6 Q816RH6 Q816NH QK16LH6 QK16RH6 QK16NH Q225L6 Q225K6 Q225J6 Q225R6 Q225NH A Q425L6 Q425K6 Q425J6 Q425R6 Q425NH Q625L6 Q625K6 Q625J6 Q625R6 Q625NH Q825L6 Q825K6 Q825J6 Q825R6 Q825NH QK25L6 QK25K6 QK25R6 QK25NH Q23LH A Q43LH Q63LH Q235RH5 Q235NH A Q435RH5 Q435NH Q635RH5 Q635NH Q24K7 Q24J Q44K7 Q44J A Q64K7 Q64J Q84K7 Q84J QK4K See eneral Notes and Electrical Specification Notes on page E4-5. Test Conditions di/dt Maximum rate-of-change of on-state current dv/dt Critical rate-of-rise of off-state voltage at rated V DRM gate open dv/dt(c) Critical rate-of-rise of commutation voltage at rated V DRM and I T(RMS) commutating di/dt =.54 rated I T(RMS) /ms; gate unenergized I 2 t RMS surge (non-repetitive) on-state current for period of 8.3 ms for fusing I DRM Peak off-state current gate open; V DRM = maximum rated value I T DC gate trigger current in specific operating quadrants; V D = 12 V dc I TM Peak gate trigger current I H Holding current (DC); gate open I T(RMS) RMS on-state current conduction angle of 36 I TSM Peak one-cycle surge P (AV) Average gate power dissipation P M Peak gate power dissipation; I T I TM t gt ate controlled turn-on time; I T = 3 ma with.1 µs rise time V DRM Repetitive peak blocking voltage V T DC gate trigger voltage; V D = 12 V dc V TM Peak on-state voltage at maximum rated RMS current E Littelfuse, Inc Thyristor Product Catalog

6 Data Sheets Alternistor Triacs I DRM V T V TM I H I TM P M P (AV) I TSM dv/dt(c) dv/dt t gt I 2 t di/dt (1) (18) (2) (6) (1) (5) (1) (8) (14) (14) (9) (13) (1) (4) (13) (1) (1) (19) (15) (17) (12) (2) mamps Volts Volts T C = T C = T C = T C = T C = T C = T C = 25 C 1 C 125 C 25 C 25 C mamps Amps Watts Watts 6/5 Hz Volts/µSec 1 C 125 C µsec Amps 2 Sec Amps/µSec MAX MAX MAX MAX MIN MIN TYP / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / Amps Volts/µSec eneral Notes All measurements are made at 6 Hz with a resistive load at an ambient temperature of +25 C unless specified otherwise. Operating temperature range (T J ) is -4 C to +125 C. Storage temperature range (T S ) is -4 C to +125 C. Lead solder temperature is a maximum of 23 C for 1 seconds maximum 1/16" (1.59 mm) from case. The case temperature (T C ) is measured as shown in the dimensional outline drawings. See Package Dimensions section. Electrical Specification Notes (1) For either polarity of with reference to terminal (2) For either polarity of gate voltage (V T ) with reference to terminal (3) See ate Characteristics and Definition of Quadrants. (4) See Figure E4.1 through Figure E4.4 for current rating at specific operating temperature and Figure 4.16 for free air rating (no heat sink). (5) See Figure E4.5 and Figure E4.6 for i T and v T. (6) See Figure E4.7 for V T versus T C. (7) See Figure E4.8 for I T versus T C. (8) See Figure E4.9 for I H versus T C. (9) See Figure E4.1 and Figure E4.11 for surge rating with specific durations. 24 Littelfuse, Inc. E4-5 Thyristor Product Catalog

7 Alternistor Triacs Data Sheets (1) See Figure E4.12 for t gt versus I T. (11) See package outlines for lead form configurations. When ordering special lead forming, add type number as suffix to part number. (12) Initial on-state current = 4 ma dc for 16 A to 4 A devices and 1 ma for 6 A to 12 A devices. (13) See Figure E4.1 through Figure E4.4 for maximum allowable case temperature at maximum rated current. (14) Pulse width 1 µs; I T I TM (15) For 6 A to 12 A devices, R L = 6 Ω; 16 A and above, R L = 3 Ω (16) 4 A pin terminal leads on K package can run 1 C to 125 C. (17) Alternistor does not turn on in Quadrant IV. (18) T C = T J for test conditions in off state (19) I T = 2 ma for 6 A to 12 A devices and 5 ma for 16 A to 4 A devices with gate pulse having rise time of.1 µs. (2) Minimum non-trigger V T at 125 C is.2 V. ate Characteristics Teccor triacs may be turned on in the following ways: In-phase signals (with standard AC line) using Quadrants I and III Application of unipolar pulses (gate always negative), using Quadrants II and III with negative gate pulses In all cases, if maximum surge capability is required, gate pulses should be a minimum of one magnitude above minimum I T rating with a steep rising waveform ( 1 µs rise time). If QIV and QI operation is required (gate always positive), see Figure AN12.8, Amplified ate Thyristor Circuit. Definition of Quadrants Electrical Isolation Teccor s isolated alternistor packages withstand a minimum high potential test of 25 V ac rms from leads to mounting tab, over the operating temperature range of the device. The following isolation table shows standard and optional isolation ratings. VACRMS (-) I T - I T ATE (-) I T ATE ALL POLARITIES ARE REFERENCED TO POSITIVE (Positive Half Cycle) REF REF NEATIVE (Negative Half Cycle) REF NOTE: Alternistors will not operate in QIV Electrical Isolation from Leads to Mounting Tab * TO-218 Isolated QII QIII QI QIV (+) I T ATE (+) I T ATE TO-22 Isolated * UL Recognized File E71639 ** For 4 V isolation, use V suffix in part number. REF + I T TO-218X Isolated 25 Standard Standard Standard 4 N/A Optional ** N/A + - Thermal Resistance (Steady State) R θ JC [R θ JA] (TYP.) C/W Package Code K J L R D V N Type TO-218 Isolated * TO-218X Isolated * TO-22 Isolated ** TO-22 Non-Isolated TO-252 D-Pak TO-251 V-Pak TO-263 D 2 Pak 6 A 3.3 [5] 1.8 [45] [64] A A A A A A A.85 4 A * UL Recognized Product per UL File E71639 ** For 4 V isolation, use V suffix in part number. E Littelfuse, Inc Thyristor Product Catalog

8 Data Sheets Alternistor Triacs Maximum Allowable Case Temperature (T C ) - C A TO-22 (NON-ISOLATED) and D 2 PAK 6A TO-22 (NON-ISOLATED) TO-263, TO-251 and TO-252 6A TO-22 (ISOLATED) CONDUCTION ANLE: 36 CASE TEMPERATURE: Measured as shown on Dimensional Drawing 12A TO-22 (ISOLATED) RMS On-State Current [l T(RMS) ] - AMPS Maximum Allowable Case Temperature (T C ) C A and 3 A TO-22 (Isolated) 25 A TO-22 (Non-isolated) TO-218 (Isolated) TO-263 CONDUCTION ANLE: 36 CASE TEMPERATURE: Measured as shown on Dimensional Drawing 35 A TO-22 (Non-isolated) and TO RMS On-state Current [l T(RMS) ] Amps 4 A TO-218 (Isolated) Figure E4.1 Maximum Allowable Case Temperature versus On-state Current (6 A to 12 A) Figure E4.4 Maximum Allowable Case Temperature versus On-state Current (25 A to 4 A) 13 2 Maximum Allowable Case Temperature (T C ) C A TO-22 (Isolated) 8 A TO-22 (Non-isolated), TO-263, TO-251, and TO-252 CONDUCTION ANLE: 36 CASE TEMPERATURE: Measured as shown on Dimensional Drawing 12 A TO-22 (Non-isolated) and TO A TO-22 (Isolated) RMS On-state Current [l T(RMS) ] Amps Positive or Negative Instantaneous On-state Current (i T ) Amps T C = 25 C 6 A to 12 A Devices Positive or Negative Instantaneous On-state Voltage (v T ) Volts Figure E4.2 Maximum Allowable Case Temperature versus On-state Current (8 A to 12 A) Figure E4.5 On-state Current versus On-state Voltage (Typical) (6 A to 12 A) 13 9 Maximum Allowable Case Temperature (T C ) C A TO-22 (Non-isolated) and TO A TO-22 (Isolated) 7 CONDUCTION ANLE: 36 6 CASE TEMPERATURE: Measured as shown on Dimensional Drawing RMS On-state Current [I T(RMS) ] Amps Positive or Negative Instantaneous On-state Current (i ) Amps T 8 T C = 25 C A Devices A to 35 A Devices A Devices Positive or Negative Instantaneous On-state Voltage (v ) Volts T 1.8 Figure E4.3 Maximum Allowable Case Temperature versus On-state Current (16 A) Figure E4.6 On-state Current versus On-state Voltage (Typical) (16 A to 4 A) 24 Littelfuse, Inc. E4-7 Thyristor Product Catalog

9 Alternistor Triacs Data Sheets 2 VT Ratio of VT (T C = 25 C) Case Temperature (T C ) C Peak Surge (Non-Repetitive) On-state Current (I TSM ) Amps A TO-251 and TO A to 12 A Devices 6 A Devices 8 A Devices 6 A TO-251 and TO-252 SUPPLY FREQUENCY: 6 Hz Sinusoidal 2 LOAD: Resistive RMS ON-STATE CURRENT [I T(RMS) ]: Maximum Rated Value at Specified Case Temperature Surge Current Duration Full Cycles Notes: 1) ate control may be lost during and immediately following surge current interval 2) Overload may not be repeated until junction temperature has returned to steady state rated value. Figure E4.7 Normalized DC ate Trigger Voltage for all Quadrants versus Case Temperature Figure E4.1 Peak Surge Current versus Surge Current Duration (6 A to 12 A) IT Ratio of IT (T C = 25 C) Case Temperature (T C ) C Peak Surge (Non-repetitive) On-state Current (I TSM ) Amps A Devices Notes: 1) ate control may be lost during and immediately following surge current interval. 2) Overload may not be repeated until junction temperature has returned to steady-state rated value. SUPPLY FREQUENCY: 6Hz Sinusoidal LOAD: Resistive RMS ON-STATE CURRENT [I T(RMS) ]: Maximum Rated Value at Specified Case Temperature 4 A Devices 25 A Devices Surge Current Duration Full Cycles 35 A Devices 16 A Devices Figure E4.8 Normalized DC ate Trigger Current for all Quadrants versus Case Temperature Figure E4.11 Peak Surge Current versus Surge Current Duration (16 A to 4 A) IH = 25 C) Ratio of IH (T C INITIAL ON-STATE CURRENT = 4 ma dc 16 A to 4 A Devices = 1 ma dc 6 to 12A Devices Typical Turn-on Time (tgt) µs I T = 5 ma I T = 8 to 1 ma I T = 1 ma to 35 ma Case Temperature (T C ) C DC ate Trigger Current (I T ) ma Figure E4.9 Normalized DC Holding Current versus Case Temperature Figure E4.12 Turn-on Time versus ate Trigger Current (Typical) E Littelfuse, Inc Thyristor Product Catalog

10 Data Sheets Alternistor Triacs Average On-state Power Dissipation [P D(AV) ] Watts A to 12A Devices CONDUCTION ANLE: Maximum Allowable Ambient Temperature (TA) C TO-251 Devices CONDUCTION ANLE: 36 FREE AIR RATIN NO HEATSINK TO-22 Devices RMS On-state Current [l T(RMS) ] AmpsS RMS On-state Current [I T (RMS) ] Amps Figure E4.13 Power Dissipation (Typical) versus On-state Current (6 A to 12 A) Figure E4.16 Maximum Allowable Ambient Temperature versus On-state Current Average On-state Power Dissipation [P D (AV) ] Watts LOAD: Resistive or inductive CONDUCTION ANLE: 36 16A Devices RMS On-state Current [I T(RMS) ] Amps Figure E4.14 Power Dissipation (Typical) versus On-state Current (16 A) Average On-State Power Dissipation [PD(AV)] Watts Current Waveform: Sinusoidal Load: Resistive or Inductive Conduction Angle: A 3 A and 35 A Devices 4 A RMS On-State Current [I T(RMS) ] Amps Figure E4.15 Power Dissipation (Typical) versus On-state Current (25 A to 4 A) 24 Littelfuse, Inc. E4-9 Thyristor Product Catalog

11 Notes