Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
RoHS
1.5KE Series
Description The 1.5KE Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features resistance less than 1μA R above 13V soldering guaranteed: 260°C/40 seconds / 0.375” ,(9.5mm) lead length, 5 lbs., (2.3kg) tension Underwriters Laboratory Flammability classification 94V-O
temperature coefficient Agency Approvals
AGENCY AGENCY FILE NUMBER E128662/E230531
ΔVBR = 0.1% x VBR@25°C x ΔT
capability at 10×1000μs waveform, repetition rate (duty cycles):0.01% typically less than 1.0ps from 0 Volts to BV min capability Applications
Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted)
Parameter Peak Pulse Power Dissipation by 10x1000μs test waveform (Fig.1) (Note 1) Steady State Power Dissipation on inifinite heat sink at TL=75ºC (Fig. 5) Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional only (Note 2) Maximum Instantaneous Forward Voltage at 100A for Unidirectional only (Note 3) Operating Junction and Storage Temperature Range Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient Symbol PPPM PD IFSM VF TJ , TSTG RuJL RuJA Value 1500 6.5 200 3.5/5.0 -55 to 175 15 75 Unit W W A V °C °C/W °C/W
TVS devices are ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications.
Notes: 1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2. 2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum. 3. VF 1.5KE series
Electrical Characteristics
Part Number (Uni)
1.5KE6.8A 1.5KE7 .5A 1.5KE8.2A 1.5KE9.1A 1.5KE10A 1.5KE11A 1.5KE12A 1.5KE13A 1.5KE15A 1.5KE16A 1.5KE18A 1.5KE20A 1.5KE22A 1.5KE24A 1.5KE27A 1.5KE30A 1.5KE33A 1.5KE36A 1.5KE39A 1.5KE43A 1.5KE47A 1.5KE51A 1.5KE56A 1.5KE62A 1.5KE68A 1.5KE75A 1.5KE82A 1.5KE91A 1.5KE100A 1.5KE110A 1.5KE120A 1.5KE130A 1.5KE150A 1.5KE160A 1.5KE170A 1.5KE180A 1.5KE200A 1.5KE220A 1.5KE250A 1.5KE300A 1.5KE350A 1.5KE400A 1.5KE440A 1.5KE480A 1.5KE510A 1.5KE530A 1.5KE540A 1.5KE550A
Part Number (Bi)
1.5KE6.8CA 1.5KE7 .5CA 1.5KE8.2CA 1.5KE9.1CA 1.5KE10CA 1.5KE11CA 1.5KE12CA 1.5KE13CA 1.5KE15CA 1.5KE16CA 1.5KE18CA 1.5KE20CA 1.5KE22CA 1.5KE24CA 1.5KE27CA 1.5KE30CA 1.5KE33CA 1.5KE36CA 1.5KE39CA 1.5KE43CA 1.5KE47CA 1.5KE51CA 1.5KE56CA 1.5KE62CA 1.5KE68CA 1.5KE75CA 1.5KE82CA 1.5KE91CA 1.5KE100CA 1.5KE110CA 1.5KE120CA 1.5KE130CA 1.5KE150CA 1.5KE160CA 1.5KE170CA 1.5KE180CA 1.5KE200CA 1.5KE220CA 1.5KE250CA 1.5KE300CA 1.5KE350CA 1.5KE400CA 1.5KE440CA 1.5KE480CA 1.5KE510CA 1.5KE530CA 1.5KE540CA 1.5KE550CA
Reverse Stand off Voltage VR (Volts)
5.80 6.40 7 .02 7 .78 8.55 9.40 10.20 11.10 12.80 13.60 15.30 17 .10 18.80 20.50 23.10 25.60 28.20 30.80 33.30 36.80 40.20 43.60 47 .80 53.00 58.10 64.10 70.10 77 .80 85.50 94.00 102.00 111.00 128.00 136.00 145.00 154.00 171.00 185.00 214.00 256.00 300.00 342.00 376.00 408.00 434.00 477 .00 459.00 495.00
Breakdown Voltage VBR (Volts) @ IT MIN
6.45 7 .13 7 .79 8.65 9.50 10.50 11.40 12.40 14.30 15.20 17 .10 19.00 20.90 22.80 25.70 28.50 31.40 34.20 37 .10 40.90 44.70 48.50 53.20 58.90 64.60 71.30 77 .90 86.50 95.00 105.00 114.00 124.00 143.00 152.00 162.00 171.00 190.00 209.00 237 .00 285.00 332.00 380.00 418.00 456.00 485.00 503.50 513.00 522.50
MAX
7 .14 7 .88 8.61 9.50 10.50 11.60 12.60 13.70 15.80 16.80 18.90 21.00 23.10 25.20 28.40 31.50 34.70 37 .80 41.00 45.20 49.40 53.60 58.80 65.10 71.40 78.80 86.10 95.50 105.00 116.00 126.00 137 .00 158.00 168.00 179.00 189.00 210.00 231.00 263.00 315.00 368.00 420.00 462.00 504.00 535.00 556.50 567 .00 577 .50
Test Current IT (mA)
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
Maximum Clamping Voltage VC @ Ipp (Volts)
10.5 11.3 12.1 13.4 14.5 15.6 16.7 18.2 21.2 22.5 25.2 27 .7 30.6 33.2 37 .5 41.4 45.7 49.9 53.9 59.3 64.8 70.1 77 .0 85.0 92.0 103.0 113.0 125.0 137 .0 152.0 165.0 179.0 207 .0 219.0 234.0 246.0 274.0 328.0 344.0 414.0 482.0 548.0 602.0 658.0 698.0 725.0 740.0 760.0
Maximum Peak Pulse Current Ipp (A)
144.8 134.5 125.6 113.4 104.8 97 .4 91.0 83.5 71.7 67 .6 60.3 54.9 49.7 45.8 40.5 36.7 33.3 30.5 28.2 25.6 23.5 21.7 19.7 17 .9 16.5 14.8 13.5 12.2 11.1 10.0 9.2 8.5 7 .3 6.9 6.5 6.2 5.5 4.6 4.4 3.7 3.2 2.8 2.5 2.3 2.1 2.1 2.0 2.0
Maximum Agency Reverse Approval Leakage IR @ VR (μA)
1000 500 200 50 10 5 5 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 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
For bidirectional type having VR of 10 volts and less, the IR limit is double. For parts without A, the VBR is +10% and VC is 5% higher than with A parts.
1.5KE Series
88 Revision: January 09, 2009
©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/1.5KE.html for current information.
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
Ratings and Characteristic Curves (T =25°C unless otherwise noted)
A
Figure 1 - Peak Pulse Power Rating Curve
1000
Figure 2 - Pulse Derating Curve
100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage %
PPPM-Peak Pulse Power (kW)
100
75
10
50
1
25
0.1 0.000001
0 0.00001 0.0001 0.001 0 25 50 75 100 125 150 175 200 td-Pulse Width (Sec.) TA-Ambient Temperature (ºC)
Figure 3 - Pulse Waveform
150
IPPM- Peak Pulse Current, % IRSM tr=10μsec Peak Value IPPM
TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM
Figure 4 - Typical Junction Capacitance
100000
Bi-directional V=0V Uni-directional V=0V
10000
100
Cj (pF)
1000
Uni-directional @ VR
Half Value IPPM IPPM
2
()
10/1000μsec. Waveform as defined by R.E.A
100
Bi-directional @ VR
50
10
0
td
Tj=25C f=1.0MHz Vsig=50mVp-p
0
1.0
2.0 t-Time (ms)
3.0
4.0
1 1.0
10.0
100.0
1000.0
VBR - Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Derating Curve
Figure 6 - Maximum Non-Repetitive Peak Forward Surge Current Uni-Directional Only
200 IFSM - Peak Forward Surge Current (A) 180 160 140 120 100 80 60 40 20 0 1 10 Number of Cycles at 60 Hz 100
6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 0
Steady State Power Dissipation (W)
L = 0.375” (9.5mm) Lead Lengths
25
50
75
100
125
150
175
200
TL - Lead Temperature(ºC)
©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/1.5KE.html for current information.
89 Revision: January 09, 2009
1.5KE Series
1.5KE Series
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
Soldering Parameters
Reflow Condition
TP
tp
Ramp-up Critical Zone TL to TP
- Temperature Min (Ts(min)) Pre Heat - Temperature Max (Ts(max)) - Time (min to max) (ts) Average ramp up rate (Liquidus Temp (TL) to peak TS(max) to TL - Ramp-up Rate Reflow - Temperature (TL) (Liquidus) - Time (min to max) (ts)
150°C 200°C
Temperature (T)
TL Ts(max)
tL
3°C/second max 3°C/second max 217°C 260
+0/-5
Ramp-down
Ts(min) ts
Preheat
25˚C t 25˚C to Peak
Time (t)
Peak Temperature (TP) Time within 5°C of actual peak Temperature (tp) Ramp-down Rate Time 25°C to peak Temperature (TP) Do not exceed
°C
Flow/Wave Soldering (Solder Dipping)
6°C/second max 8 minutes Max. 280°C Peak Temperature : Dipping Time : Soldering : 265OC 10 seconds 1 time
Physical Specifications
Weight Case Polarity Terminal 0.045oz., 1.2g JEDEC DO-201 molded plastic body over passivated junction. Color band denotes the cathode except Bipolar. Matte Tin axial leads, solderable per JESD22-B102D.
Environmental Specifications
Temperature Cycle Pressure Cooker High Temp. Storage HTRB Thermal Shock JESD22-A104 JESD 22-A102 JESD22-A103 JESD22-A108 JESD22-A106
Dimensions
Dimensions Inches Min 1.000 0.285 0.038 0.190 Max 0.375 0.042 0.210 Millimeters Min 25.40 7 .20 0.96 4.80 Max 9.50 1.07 5.30
D C A B
DO-201
A B C D
A
1.5KE Series
90 Revision: January 09, 2009
©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/1.5KE.html for current information.
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
Part Numbering System
1.5KE xxx XX X
OPTION CODE: BLANK Reel Tape -B Bulk Packaging TYPE CODE: A Uni-Directional (5% Voltage Tolerance) CA Bi-Directional VOLTAGE CODE (Refer to the Electrical Characteristics table) SERIES CODE
Part Marking System
Cathode Band
1.5KEXXX
F
Littelfuse Logo Product Type
Packaging
Part Number 1.5KExxxXX 1.5KExxxXX-B Component Package DO-201 DO-201 Quantity 1200 500 Packaging Option Tape & Reel BULK Packaging Specification EIA STD RS-296E Littelfuse Concord Packing Spec. DM-0016
©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/1.5KE.html for current information.
91 Revision: January 09, 2009
1.5KE Series
1.5KE Series
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