RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 1 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
Available
1500 Watt Unidirectional and Bidirectional
Transient Voltage Suppressor
Screening in
reference to
MIL-PRF-19500
available
DESCRIPTION
Case 1 Package
The popular Trans ient Vo lt age Suppr es sor series of 1.5KE6.8 – 1.5KE400CA along with its
upscreening options offer an extended voltage range and also provide a wide vari et y of
commercial, high reliability, RoHS and bidirectional options. All have the same high peak
pulse power rating of 1500 W and extremely fast response time. They can protect from
secondary effects of lightning per IEC61000-4-5 an d the class levels as shown below as well
as voltage transients from inductive switching and RFI. Since their response time is virtually
instantaneous, they also protect from ESD and EFT per IEC61000-4-2 and IEC61000-4-4.
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
• High reliability devices with fabrication and assembly lot traceability for all M prefix devices.
• Economical plastic encapsulated TVS series for thru-hole mounting.
• 3σ lot norm screening performed on standby current (ID) for all M prefix devices.
• 100% surge tested devices suppress transients up to 1500 watts @ 10/1000 µs (see figure 1).
• Enhanced reliability screening available in reference to MIL-PRF-19500. Refer to Hirel Non-
Hermetic Product Portfolio for more details on the screening opt io ns.
(See part nomenclature for all optio ns.)
• Enhanced reliability source controlled devices have wafer fabrication and assembly lot traceability.
• Moisture classification is “Level 1” with no dry pack required per IPC/JEDEC J-STD-020B for al l M
prefix devices.
• RoHS compliant versions available
APPLICATIONS / BENEFITS
• High-reliability devices with M prefix
• Protect ion from switch ing and RFI induced transients
• Compliant to I EC 61000-4-2 and IEC 61000-4-4 for ESD and EFT protection respectively
• Secondary lightning protection per IEC61000-4-5 with 42 ohms sour ce imp edan ce:
Class 1: 1.5KE6.8A to 1.5KE200CA
Class 2: 1.5KE6.8A to 1.5KE180CA
Class 3: 1.5KE6.8A to 1.5KE91CA
Class 4: 1.5KE6.8A to 1.5KE43CA
• Secondary lightning protection per IEC61000-4-5 with 12 ohms sour ce imp edan ce:
Class 1: 1.5KE6.8A to 1.5KE110CA
Class 2: 1.5KE6.8A to 1.5KE56CA
Class 3: 1.5KE6.8A to 1.5KE27CA
Class 4: 1.5KE6.8A to 1.5KE13CA
• Secondary lightning protection per IEC61000-4-5 with 2 ohms source impedance:
Class 2: 1.5KE6.8A to 1.5KE24CA
Class 3: 1.5KE6.8A to 1.5KE12CA
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 2 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
MAXIMUM RATINGS
Parameters/Test Conditions
Symbol
Value
Unit
Junction and Storage Temperature
TJ and TSTG
-65 to +150
ºC
Thermal Resistance, Jun cti on to Lead @ 0.375 inch (10
mm) from body
RӨJL 22 ºC/W
Thermal Resi stan ce, Jun cti on to Ambient (1)
RӨJA
82
ºC/W
Peak Pulse Power @ TL = +25 ºC (2)
PPP
1500
W
Rated Average Power Dissipation
@ TL = +40 ºC
PM(AV) 5
1.52
(1)
W
Tclamping (0 volts to V(BR)
min)
< 100
< 5
ps
ns
Surge Peak Forward Current (3)
IFSM
200
A
Solder Temperature @ 10 s
TSP
260
oC
Notes: 1. When mounted on FR4 PC board with 4 mm2 copper pads (1 oz) and track width 1 mm, length 25 mm.
2. At 10/1000 µs with repeti tion rate of 0.01% or less (see Figure 1).
3.
At 8.3 ms half-sine wave for unidirectional devices only.
MECHANICAL and PACKAGING
• CASE: Void-free transfer molded thermosetting epoxy body meeting UL94V-0.
• TERMINALS: Tin-lead or RoHS compli ant anne ale d matte-tin plating readily solderable per MIL-STD-750 method 2026.
• MARKING: Part number and polarity band.
• POLARITY: Cathode indicated by band. No cathode band on bidirectional devices.
• TAPE & REEL option: Standard per EIA-296 (add “TR” suffix to part number). Consult factory for quan titi es.
• WEIGHT: Approximately 1.5 grams.
• See Package Dimensions on last page.
PART NOMENCLA TURE
M 1.5 K E 6.5 C A (e3)
Reliability Level*
M
MA
MX
MXL
Blank = commercial
(*See Hirel Non -Hermetic
Product Portfolio)
Peak Pulse Power
Kilowatt Rating
Encapsulated Plastic Package
RoHS Compli ance
e3 = RoHS compliant
Blank = non-RoHS compliant
+/- 5% Tolerance Level
Polarity
C = Bi-directional
Blank = Unidirectional
Reverse Standoff Voltage (VWM)
(See Electrical Characteristics
table)
RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 3 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
SYMBOLS & DEFINITIONS
Symbol
Definition
I
(BR)
Breakdown Current: The current used for measuring breakdown voltage V
(BR)
.
V
(BR)
Breakdown Voltage: The voltage across the device at a specified current I
(BR)
in the breakdown region.
VWM
Working Standoff Voltage: The maximum-rated value of dc or repetitive peak positive cathode-to-anode voltage that
may be continuously applied over the standard operating temperature.
VC
Clamping Voltage: The voltage across the device in a region of low differential resistance during the application of an
impulse current (IPP) for a specified waveform.
IPP
Peak Impulse Current: The maximum rated random recurring peak impulse current or nonrepetitive peak impulse
current that may be applied to a device. A random recurring or nonrepetitive transient current is usually due to an
external cause, and it is assumed that its effect will have completely disappeared before the next transient arrives.
PPP
Peak Pulse Power. The rated random recurring peak impulse power or rated nonrepetitive peak impulse power. The
impulse power is the maximum-rated value of the product of IPP and VC.
ID
Standby Current: The current through the device at rated stand-off voltage.
RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 4 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
ELECTRICAL CHARACTERISTICS @ 25 oC
Industry
Type
Number
Rated
Standoff
Voltage
VWM
(Note 1)
Breakdown
Voltage
V
(BR)
@ I
(BR)
Maximum
Clamping
Voltage
VC @ IPP
Maximum
Standby
Current
ID @ VWM
Maximum
Peak Pulse
Current
IPP
(Fig. 2)
Maximum
Temperature
Coefficien t o f
V(BR)
αV(BR)
Volts
Volts
Min. Max.
mA
Volts
µ
A
A
%/oC
1.5KE6.8A
1.5KE7.5A
5.80
6.40
6.45 – 7.14
7.13 – 7.88
10
10
10.5
11.3
1000
500
143.0
132.0
0.057
0.061
1.5KE8.2A
1.5KE9.1A
7.02
7.78
7.79 – 8.61
8.65 – 9.55
10
1
12.1
13.4
200
50
124.0
112.0
0.065
0.068
1.5KE10A
1.5KE11A
8.55
9.40
9.50 – 10.50
10.50 – 11.60
1
1
14.5
15.6
10
5
103.0
96.0
0.073
0.075
1.5KE12A
1.5KE13A
10.22
11.10
11.40 – 12.60
12.40 – 13.70
1
1
16.7
18.2
5
5
90.0
82.0
0.078
0.081
1.5KE15A
1.5KE16A
12.80
13.60
14.30 – 15.80
15.20 – 16.80
1
1
21.2
22.5
1
1
71.0
67.0
0.084
0.086
1.5KE18A
1.5KE20A
15.30
17.10
17.10 – 18.90
19.00 – 21.00
1
1
25.2
27.7
1
1
59.5
54.0
0.088
0.090
1.5KE22A
1.5KE24A
18.80
20.50
20.90 – 23.10
22.80 – 25.20
1
1
30.6
33.2
1
1
49.0
45.0
0.092
0.094
1.5KE27A
1.5KE30A
23.10
25.60
25.70 – 28.40
28.50 – 31.50
1
1
37.5
41.4
1
1
40.0
36.0
0.096
0.097
1.5KE33A
1.5KE36A
28.20
30.80
31.40 – 34.70
34.20 – 37.80
1
1
45.7
49.9
1
1
33.0
30.0
0.098
0.099
1.5KE39A
1.5KE43A
33.30
36.80
37.10 – 41.00
40.90 – 45.20
1
1
53.9
59.3
1
1
28.0
25.3
0.100
0.101
1.5KE47A
1.5KE51A
40.20
43.60
44.70 – 49.40
48.50 – 53.60
1
1
64.8
70.1
1
1
23.2
21.4
0.101
0.102
1.5KE56A
1.5KE62A
47.80
53.00
53.20 – 58.80
58.90 – 65.10
1
1
77.0
85.0
1
1
19.5
17.7
0.103
0.104
1.5KE68A
1.5KE75A
58.10
64.10
64.60 – 71.40
71.30 – 78.80
1
1
92.0
103.0
1
1
16.3
14.6
0.104
0.105
1.5KE82A
1.5KE91A
70.10
77.80
77.90 – 86.10
86.50 – 95.50
1
1
113.0
125.0
1
1
13.3
12.0
0.105
0.106
1.5KE100A
1.5KE110A
85.50
94.00
95.00 – 105.00
105.00 – 116.00
1
1
137.0
152.0
1
1
11.0
9.9
0.106
0.107
1.5KE120A
1.5KE130A
102.00
111.00
114.00 – 126.00
124.00 – 137.00
1
1
165.0
179.0
1
1
9.1
8.4
0.107
0.107
1.5KE150A
1.5KE160A
128.00
136.00
143.00 – 158.00
152.00 – 168.00
1
1
207.0
219.0
1
1
7.2
6.8
0.108
0.108
1.5KE170A
1.5KE180A
145.00
154.00
162.00 – 179.00
171.00 – 189.00
1
1
234.0
246.0
1
1
6.4
6.1
0.108
0.108
1.5KE200A
1.5KE220A
171.00
185.00
190.00 – 210.00
209.00 – 231.00
1
1
274.0
328.0
1
1
5.5
4.6
0.108
0.110
1.5KE250A
1.5KE300A
214.00
256.00
237.00 – 263.00
285.00 – 315.00
1
1
344.0
414.0
1
1
5.0
5.0
0.110
0.111
1.5KE350A
1.5KE400A
300.00
324.00
332.00 – 368.00
380.00 – 420.00
1
1
482.0
548.0
1
1
4.0
4.0
0.111
0.111
NOTES: 1. Normal selection criteria for TVS devices is by rated stand-off voltage (VWM) and should be equal or greater than dc or continuous peak
operating voltage.
2. TVS devices are tested to maximum peak pulse current (IPP) with clamping volt age monitored. This surge capability is one of the most
significant electrical characteristics of the device and should be considered as part of customer quality inspections.
3. For Bidirectional types having VWM of 8 volts and under, the ID leakage current is doubled. Also for bidirect i onal parts , t he capacit ance
will be half that shown in Fig. 2 for zero bias.
4. For unidirectional, the forward voltage (VF) is 3.5 volts maximum at 100 Amps peak for 8.3 ms half-sine wave.
RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 5 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
GRAPHS
Pulse Time (tw) in µs
FIGURE 1
Peak Pulse Power vs Pulse Time (tw) in µs
t – Time – ms
Test waveform parameters: tr=10 µs, tp=1000µs
FIGURE 2
Pulse Waveform for 10/1000 Exponential Surge
PPP - Peak Pulse Power - kW
Pulse Current in Percent of IPP
RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 6 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
GRAPHS (continued)
Lead or Ambient Temperature °C
FIGURE 3
Derating Curve
V(BR) – Breakdown Volt age – Volts
FIGURE 4
Typical Capacitance vs. Breakdown Voltage
Peak Pulse Power (Ppp) or contin uous
Average Power in Percent of 25°C
C – Capacitance – Pico farads
RF01008, Rev. D (7/31/13) ©2013 Microsemi Corporation Page 7 of 7
M1.5KE6.8A – M1.5KE400CA(e3)
PACKAGE DIMENSIONS
NOTES:
1 Dimensions are in inches.
2 Millimeter equivalents are given for information only.
3 The major diameter is essentially constant along its length.
4 In accordance with ASME Y14.5M, diameters are equivalent to Φx
symbology.
Dimensions
Symbol
Inches
Millimeters
Min
Max
Min
Max
BD
0.190
0.205
4.826
5.207
BL
0.360
0.375
9.146
9.527
LD
0.038
0.042
0.958
1.074
LL
1.10
1.625
27.9
41.28