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LC6.5 thru LC170A
1500 WATT LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR
SCOTTSDALE DIVISION
DESCRIPTION This hermetically sealed Transient Voltage Suppressor (TVS) product family includes a rectifier diode element in series and opposite direction to achieve low capacitance performance below 100 pF (see Figure 2). The low level of TVS capacitance may be used for protecting higher frequency applications in inductive switching environments or electrical systems involving secondary lightning effects per IEC61000-4-5 as well as RTCA/DO-160D or ARINC 429 for airborne avionics. With virtually instantaneous response, they also protect from ESD and EFT per IEC61000-4-2 and IEC61000-4-4. If bipolar transient capability is required, two of these low capacitance TVS devices may be used in parallel in opposite directions (anti-parallel) for complete ac protection as shown in Figure 6.
IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com
APPEARANCE
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DO-13 (DO-202AA)
FEATURES
* * * * * * Unidirectional low-capacitance TVS series for flexible thru-hole mounting (for bidirectional see Figure 4) Suppresses transients up to 1500 watts @ 10/1000 s (see Figure 1)* Clamps transient in less than 100 pico seconds Working voltage (VWM) range 6.5 V to 170 V Hermetic sealed DO-13 metal package Options for screening in accordance with MIL-PRF19500 for JAN, JANTX, JANTXV, and JANS are also available by adding MQ, MX, MV, MSP prefixes respectively to part numbers, e.g. MXLC6.5A, etc. Surface mount equivalent packages also available as SMCJLCE6.5 - SMCJLCE170A or SMCGLCE6.5 SMCGLCE170A in separate data sheet (consult factory for other surface mount options) Plastic axial-leaded equivalents available in the LCE6.5 - LCE170A series in separate data sheet * * * *
APPLICATIONS / BENEFITS
Protection from switching transients and induced RF Protection for aircraft fast data rate lines per select level waveforms in RTCA/DO-160D & ARINC 429 ESD & EFT protection per IEC 61000-4-2 and -4-4 Secondary lightning protection per IEC61000-4-5 with 42 Ohms source impedance: Class 1: LC6.5 to LC170A Class 2: LC6.5 to LC150A Class 3: LC6.5 to LC70A Class 4: LC6.5 to LC36A Secondary lightning protection per IEC61000-4-5 with 12 Ohms source impedance: Class 1 : LC6.5 to LC90A Class 2: LC6.5 to LC45 A Class 3: LC6.5 to LC22A Class 4: LC6.5 to LC11A Secondary lightning protection per IEC61000-4-5 with 2 Ohms source impedance: Class 2: LC6.5 to LC20A Class 3: LC6.5 to LC10A Inherently radiation hard per Microsemi MicroNote 050
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MAXIMUM RATINGS
* 1500 Watts at 10/1000 s with repetition rate of 0.01% or o less* at lead temperature (TL) 25 C (see Figs. 1, 2, & 4) * Operating & Storage Temperatures: -65o to +175oC * THERMAL RESISTANCE: 50oC/W (Typical) junction to lead at 0.375 inches (10 mm) from body or 110 oC/W junction to ambient when mounted on FR4 PC board with 4 mm2 copper pads (1 oz) and track width 1 mm, length 25 mm * DC Power Dissipation*: 1 Watt at TL < +125oC 3/8" (10 mm) from body (see derating in Fig 3 and note below) * Solder Temperatures: 260 o C for 10 s (maximum)
MECHANICAL AND PACKAGING
* CASE: DO-13 (DO-202AA), welded, hermetically sealed metal and glass * FINISH: All external metal surfaces are Tin-Lead plated and solderable per MIL-STD-750 method 2026 * POLARITY: Cathode connected to case as shown by diode symbol (cathode positive for normal operation) * MARKING: Part number and polarity diode symbol * WEIGHT: 1.4 grams. (Approx) * TAPE & REEL option: Standard per EIA-296 (add "TR" suffix to part number) * See package dimension on last page
LC6.5 thru LC170A
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TVS devices are not typically used for dc power dissipation and are instead operated < VWM (rated standoff voltage) except for transients that briefly drive the device into avalanche breakdown (VBR to VC region) of the TVS element. Also see Figures 3 and 4 for further protection details in rated peak pulse power for unidirectional and bidirectional configurations respectively. Copyright 2002 10-21-2004 REV C
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
LC6.5 thru LC170A
1500 WATT LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR
SCOTTSDALE DIVISION
ELECTRICAL CHARACTERISTICS @ 25oC
BREAKDOWN VOLTAGE REVERSE STANDOFF VOLTAGE MAXIMUM STANDBY CURRENT MAXIMUM CLAMPING VOLTAGE MAXIMUM PEAK PULSE CURRENT 10/1000 s MAXIMUM CAPACITANCE WORKING INVERSE BLOCKING VOLTAGE INVERSE BLOCKING LEAKAGE CURRENT PEAK INVERSE BLOCKING VOLTAGE VOLTS
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MICROSEMI PART NUMBER
LC6.5 LC6.5A LC7.0 LC7.0A LC7.5 LC7.5A LC8.0 LC8.0A LC8.5 LC8.5A LC9.0 LC9.0A LC10 LC10A LC11 LC11A LC12 LC12A LC13 LC13A LC14 LC14A LC15 LC15A LC16 LC16A LC17 LC17A LC18 LC18A LC20 LC20A LC22 LC22A LC24 LC24A LC26 LC26A LC28 LC28A LC30 LC30A LC33 LC33A LC36 LC36A LC40 LC40A LC43 LC43A LC45 LC45A LC48 LC48A LC51 LC51A
VWM VOLTS 6.5 6.5 7.0 7.0 7.5 7.5 8.0 8.0 8.5 8.5 9.0 9.0 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 20 20 22 22 24 24 26 26 28 28 30 30 33 33 36 36 40 40 43 43 45 45 48 48 51 51
VOLTS
V(BR)
@
MAX
ID @VWM A 1000 1000 500 500 250 250 100 100 50 50 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
VC @ IPP VOLTS 12.3 11.2 13.3 12.0 14.3 12.9 15.0 13.6 15.9 14.4 16.9 15.4 18.8 17.0 20.1 18.2 22.0 19.9 23.8 21.5 25.8 23.2 26.9 24.4 28.8 26.0 30.5 27.6 32.2 20.2 35.8 32.4 39.4 35.5 43.0 38.9 46.6 42.1 50.1 45.4 53.5 48.4 58.0 53.3 64.3 58.1 71.4 64.5 76.7 69.4 80.3 72.7 85.5 77.4 91.1 82.4
MIN
7.22 7.22 7.78 7.78 8.33 8.33 8.89 8.89 9.44 9.44 10.0 10.0 11.1 11.1 12.2 12.2 13.3 13.3 14.4 14.4 15.6 15.6 16.7 16.7 17.8 17.8 18.9 18.9 20.0 20.0 22.2 22.2 24.4 24.4 26.7 26.7 28.9 28.9 31.1 31.1 33.3 33.3 36.7 36.7 40.0 40.0 44.4 44.4 47.8 47.8 50.0 50.0 53.3 53.3 56.7 56.7
8.82 7.98 9.51 8.60 10.2 9.21 10.9 9.83 11.5 10.4 12.2 11.1 13.6 12.3 14.9 13.5 16.3 14.7 17.6 15.9 19.1 17.2 20.4 18.5 21.8 19.7 23.1 20.9 24.4 22.1 27.1 24.5 29.8 26.9 32.6 29.5 35.3 31.9 38.0 34.4 40.7 36.8 44.9 40.6 48.9 44.2 54.3 49.1 58.4 52.8 61.1 55.3 65.1 58.9 69.3 62.7
I(BR) mA 10 10 10 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
IPP @
@ 0 Volts, f = 1 MHz pF 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100
VWIB VOLTS 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 150 150 150 150 150 150 150 150
IIB @ VWIB A 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
AMPS 100 100 100 100 100 100 100 100 94 100 89 97 80 88 74 82 68 75 63 70 58 65 56 61 52 57 49 54 46 51 42 46 38 42 35 39 32 36 30 33 28 31 25.4 28.1 23.3 25.8 21.0 23.3 19.5 21.6 18.7 20.6 17.5 19.4 16.5 18.2
VPIB VOLTS 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 200 200 200 200 200 200 200 200 Page 2
LC6.5 thru LC170A
Copyright 2002 10-21-2004 REV C
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
LC6.5 thru LC170A
1500 WATT LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR
SCOTTSDALE DIVISION
VWIB IIB @ VWIB VWM VPIB I(BR) 10/1000 s VOLTS VOLTS A pF VOLTS AMPS VOLTS A VOLTS mA MIN MAX LC54 54 60.0 73.3 1 5 96.3 15.6 100 150 10 200 LC54A 54 60.0 66.3 1 5 87.1 17.2 100 150 10 200 LC58 58 64.4 78.7 1 5 103.0 14.6 100 150 10 200 LC58A 58 64.4 71.2 1 5 93.6 16.0 100 150 10 200 LC60 60 66.7 81.5 1 5 107.0 14.0 90 150 10 200 LC60A 60 66.7 73.7 1 5 96.8 15.5 90 150 10 200 LC64 64 71.1 86.9 1 5 114.0 13.2 90 150 10 200 LC64A 64 71.1 78.6 1 5 103.0 14.6 90 150 10 200 LC70 70 77.8 95.1 1 5 125 12.0 90 150 10 200 LC70A 70 77.8 86.0 1 5 113 13.3 90 150 10 200 LC75 75 83.3 102.0 1 5 134 11.2 90 150 10 200 LC75A 75 83.3 92.1 1 5 121 12.4 90 150 10 200 LC80 80 88.7 108 1 5 142 10.6 90 150 10 200 LC80A 80 88.7 98.0 1 5 129 11.6 90 150 10 200 LC90 90 100 122 1 5 160 9.4 90 300 10 200 LC90A 90 100 111 1 5 146 10.3 90 300 10 200 LC100 100 111 136 1 5 179 8.4 90 300 10 200 LC100A 100 111 123 1 5 162 9.3 90 300 10 200 LC110 110 122 149 1 5 196 7.7 90 300 10 400 LC110A 110 122 135 1 5 178 8.4 90 300 10 400 LC120 120 133 163 1 5 214 7.0 90 300 10 400 LC120A 120 133 147 1 5 193 7.8 90 300 10 400 LC130 130 144 176 1 5 231 6.5 90 300 10 400 LC130A 130 144 159 1 5 209 7.2 90 300 10 400 LC150 150 167 204 1 5 268 5.6 90 300 10 400 LC150A 150 167 185 1 5 243 6.2 90 300 10 400 LC160 160 178 218 1 5 287 5.2 90 300 10 400 LC160A 160 178 197 1 5 259 5.8 90 300 10 400 LC170 170 189 231 1 5 304 4.9 90 300 10 400 LC170A 170 189 209 1 5 275 5.4 90 300 10 400 NOTE: TVS are normally selected according to the reverse "Standoff Voltage" (VWM) that should be equal to or greater than the dc or continuous peak operating voltage level.
MICROSEMI PART NUMBER
REVERSE STANDOFF VOLTAGE
BREAKDOWN VOLTAGE
V(BR)
@
MAXIMUM STANDBY CURRENT
MAXIMUM CLAMPING VOLTAGE
ID @VWM
VC @ IPP
MAXIMUM PEAK PULSE CURRENT
CAPACITANCE
IPP @
@0 Volts
WORKING INVERSE BLOCKING VOLTAGE
INVERSE BLOCKING LEAKAGE CURRENT
PEAK INVERSE BLOCKING VOLTAGE VOLTS
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GRAPHS
LC6.5 thru LC170A
FIGURE 1 Peak Pulse Power vs. Pulse Time (tW) in s
Copyright 2002 10-21-2004 REV C
Pulse Time (tw) in s
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3
LC6.5 thru LC170A
1500 WATT LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR
SCOTTSDALE DIVISION
SCHEMATIC APPLICATIONS
The TVS low capacitance device configuration is shown in Figure 2. As a further option for unidirectional applications, an additional low capacitance rectifier diode may be used in parallel in the same polarity direction as the TVS as shown in Figure 3. In applications where random high voltage transients occur, this will prevent reverse transients from damaging the internal low capacitance rectifier diode and also provide a low voltage conducting direction. The added rectifier diode should be of similar low capacitance and also have a higher reverse voltage rating than the TVS clamping voltage VC. The Microsemi recommended rectifier part number is the "LCR80" for the application in Figure 5. If using two (2) low capacitance TVS devices in anti-parallel for bidirectional applications, this added protective feature for both directions (including the reverse of each rectifier diode) is also provided. The unidirectional and bidirectional configurations in Figure 3 and 4 will both result in twice the capacitance of Figure 2.
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FIGURE 2 TVS with internal Low Capacitance Diode
FIGURE 3 Optional Unidirectional configuration (TVS and separate rectifier diode) in parallel)
FIGURE 4 Optional Bidirectional configuration (two TVS devices in anti-parallel)
PACKAGE DIMENSIONS
LC6.5 thru LC170A
DO-13 (or DO-202AA)
Copyright 2002 10-21-2004 REV C
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 4

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