20KPA20A THRU 20KPA300A GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR 20V-300V 8W FEATURES • Plastic package has Underwriters Laboratory Flammability Classification 94V-0 • Glass passivated junction • 20000W Peak Pulse Power capability on 10/1000 µs waveform • Excellent clamping capability • Repetition rate (duty cycle):0.05% • Low incremental surge resistance • Fast response time: typically less than 1.0 ps from 0 volts to BV MECHANICAL DATA Case:Molded plastic over glass passivated junction Terminals: Plated Axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denoted positive end (cathode) except Bipolar Mounting Position: Any Weight: 0.07 ounce, 2.1 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. RATING SYMBOL VALUE Peak Pulse Power Dissipation on 10/1000 µs Pppm Minimum 20000 waveform (NOTE 1) Peak Pulse Current of on 10-1000 µs waveform Ippm SEE TABLE 1 (NOTE 1) Steady State Power Dissipation at Tl=75 °C Pm(AV) 8.0 Lead Lengths.375", (9.5mm)(NOTE 2) Peak Forward Surge Current, 8.3ms Sine-Wave IFSM 400.0 Superimposed on Rated Load, (JEDEC Method) (NOTE 3) Operatings and Storage Temperature Range Tj, Tstg -55 to +175 NOTES: 1.Non-repetitive current pulse, per Fig.3 and derated above Ta=25 °C per Fig.2. 2.Mounted on Copper Pad area of 0.8x0.8" (20x20mm) per Fig.5. 3.8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minutes maximum E-mail: [email protected] 1 of 3 UNITS Watts Amps Watts Amps °C Web Site: www.taychipst.com 20KPA20A THRU 20KPA300A GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR 20V-300V 8W REVERSE BREAKDOWN MAXIMUM VOLTAGE STANDOFF TEST CLAMPING UNI-POLAR BI-POLAR VBR (V) VOLTAGE CURRENT VOLTAGE VRWM (V) @IPP Vc (V) (IT) mA MIN. @ I T 20.00 22.34 50 36.8 20KPA20A 20KPA20CA 24.00 26.81 50 41.2 20KPA24A 20KPA24CA 26.00 29.04 50 44.7 20KPA26A 20KPA26CA 28.00 31.28 50 48.0 20KPA28A 20KPA28CA 30.00 33.51 5 51.5 20KPA30A 20KPA30CA 32.00 35.74 5 54.3 20KPA32A 20KPA32CA 34.00 38.00 5 57.5 20KPA34A 20KPA34CA 36.00 40.20 5 61.5 20KPA36A 20KPA36CA 40.00 44.70 5 67.8 20KPA40A 20KPA40CA 44.00 49.10 5 72.7 20KPA44A 20KPA44CA 48.00 53.60 5 79.4 20KPA48A 20KPA48CA 52.00 58.10 5 85.8 20KPA52A 20KPA52CA 56.00 62.60 5 92.6 20KPA56A 20KPA56CA 60.00 67.00 5 97.6 20KPA60A 20KPA60CA 64.00 71.50 5 104.0 20KPA64A 20KPA64CA 68.00 76.00 5 110.0 20KPA68A 20KPA68CA 72.00 80.40 5 116.0 20KPA72A 20KPA72CA 80.00 89.40 5 130.0 20KPA80A 20KPA80CA 88.00 98.30 5 142.0 20KPA88A 20KPA88CA 96.00 107.20 5 155.0 20KPA96A 20KPA96CA 104.00 116.20 5 168.0 20KPA104A 20KPA104CA 112.00 125.10 5 182.0 20KPA112A 20KPA112CA 120.00 134.00 5 194.0 20KPA120A 20KPA120CA 132.00 147.40 5 213.0 20KPA132A 20KPA132CA 144.00 160.80 5 232.0 20KPA144A 20KPA144CA 160.00 178.70 5 258.0 20KPA160A 20KPA160CA 172.00 192.10 5 277.0 20KPA172A 20KPA172CA 180.00 201.10 5 291.0 20KPA180A 20KPA180CA 192.00 214.50 5 309.0 20KPA192A 20KPA192CA 204.00 227.90 5 329.0 20KPA204A 20KPA204CA 216.00 241.30 5 348.0 20KPA216A 20KPA216CA 232.00 259.10 5 374.0 20KPA232A 20KPA232CA 240.00 268.10 5 387.0 20KPA240A 20KPA240CA 256.00 286.00 5 412.0 20KPA256A 20KPA256CA 280.00 312.80 5 451.0 20KPA280A 20KPA280CA 300.00 335.10 5 483.0 20KPA300A 20KPA300CA For bidirectional type having Vrwm of 40 volts and less, the IR limit is double. For parts without A , the V BR is + 10% E-mail: [email protected] 2 of 3 REVERSE PEAK LEAKAGE PULSE CURRENT @ VRWM IPP (A) IR (µA) 548.9 5000 490.3 5000 451.9 2000 420.8 1000 392.2 250 372.0 150 351.3 50 328.5 20 297.9 15 277.9 10 254.4 10 235.4 10 218.1 10 207.0 10 194.2 10 183.6 10 174.1 10 155.4 10 142.3 10 130.3 10 120.2 10 111.0 10 104.1 10 94.8 10 87.1 10 78.3 10 72.9 10 69.4 10 65.4 10 61.4 10 58.0 10 54.0 10 52.2 10 49.0 10 44.6 10 41.8 10 Web Site: www.taychipst.com 20KPA20A THRU 20KPA300A 20V-300V 8W GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR Pppm 1 PEAK PULSE POWER 1 KW RATINGS AND CHARACTERISTIC CURVES 20KPA series 10000 Non-repetitive pulse waveform shown in Fig. 3T A = 25ºC 1000 100 10 1 0.1 1 10 1,000 100 10,000 100,000 td PULSE WIDTH 1 µsec FIG. 1 PEAK PULSE POWER RATING Fig.2 - Pulse Derating Curve Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage,% 100 87.5 75 62.5 50 37.5 25 12.5 0 0 25 50 75 100 125 150 175 200 TA - Ambient Temperature (°C) Fig.3 - Pulse Waveform IPPM - Peak Pulse Current,% I RSM 150 TJ = 25°C tr = 10µsec. Pulse Width(td)is defined as the point where the peak current decays to 50% of IPPM Peak Value IPPM 100 Half Value- IPPM 2 10/1000µsec.Waveform as defined by R.E.A. 50 td 0 0 E-mail: [email protected] 1.0 2.0 3 of 3 3.0 3.0 4.0 4.0 Web Site: www.taychipst.com