LITTELFUSE LCE26A

Transient Voltage Suppression Diodes
Axial Leaded – 1500W > LCE series
RoHS
LCE Series
Description
The LCE Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
t)BMPHFO'SFF
t 3P)4DPNQMJBOU
t (MBTTQBTTJWBUFEDIJQ
junction in DO-201
Package
t 8QFBLQVMTFQPXFS
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
t 'BTUSFTQPOTFUJNF
typically less than 1.0ps
from 0 Volts to BV min
t &YDFMMFOUDMBNQJOH
capability
t -PXJODSFNFOUBMTVSHF
resistance
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
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
infinite heat sink at TL=75ºC (Fig. 5)
Operating Junction and Storage
Temperature Range
Symbol
Value
Unit
PPPM
1500
W
PD
6.5
W
TJ , TSTG
-55 to 175
°C
t )JHIUFNQFSBUVSF
soldering guaranteed:
260°C/40 seconds /
0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
t 1MBTUJDQBDLBHFIBT
Underwriters Laboratory
Flammability classification
94V-O
t .BUUF5JO-FBEoGSFF
plated
t *EFBMGPSEBUBMJOF
applications
Applications
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.
Note:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/LCE.html for current information.
93
Revision: January 09, 2009
LCE Series
LCE Series
Features
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > LCE series
Electrical Characteristics
Inverse
Maximum Maximum Maximum Maximum Working
Peak
Reverse Breakdown
Agency
Test
Peak
Blocking
Clamping
Reverse
Junction
Inverse
Inverse Approval
Pulse
Leakage
Stand off Voltage VBR Current Leakage
Part
Voltage
Blocking
Blocking
Capacitance
Current
Current at
(V)
Number Voltage
IT
at Ipp
Voltage
Voltage
IIB @ VWIB
(Fig.3)
IR @ VR
@ 0 Volts
(mA)
VR (V)
IPPM (A)
VC (V)
VWIB (V)
VPIB (V)
MIN MAX
(pF)
(mA)
(μA)
LCE6.5A
LCE7.0A
LCE7.5A
LCE8.0A
LCE8.5A
LCE9.0A
LCE10A
LCE11A
LCE12A
LCE13A
LCE14A
LCE15A
LCE16A
LCE17A
LCE18A
LCE20A
LCE22A
LCE24A
LCE26A
LCE28A
LCE30A
LCE33A
LCE36A
LCE40A
LCE43A
LCE45A
LCE48A
LCE51A
LCE54A
LCE58A
LCE60A
LCE64A
LCE70A
LCE75A
LCE85A
LCE90A
6.5
7.0
7.5
8.0
8.5
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
33.0
36.0
40.0
43.0
45.0
48.0
51.0
54.0
58.0
60.0
64.0
70.0
75.0
85.0
90.0
7.22
7.78
8.33
8.89
9.44
10.00
11.10
12.20
13.30
14.40
15.60
16.70
17.80
18.90
20.00
22.20
24.40
26.70
28.90
31.10
33.30
36.70
40.00
44.40
47.80
50.00
53.30
56.70
60.00
64.40
66.70
71.10
77.80
83.30
94.40
100.00
7.98
8.60
9.21
9.83
10.40
11.10
12.30
13.50
14.70
15.90
17.20
18.50
19.70
20.90
22.10
24.50
26.90
29.50
31.90
34.40
36.80
40.60
44.20
49.10
52.80
55.30
58.90
62.70
66.30
71.20
73.70
78.60
86.00
92.10
104.00
111.00
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
1000
500
250
100
50
10
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
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.5
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103.0
113.0
121.0
129.0
146.0
100.0
100.0
100.0
100.0
100.0
97.0
88.0
82.0
75.0
70.0
65.0
61.0
57.0
54.0
51.0
46.0
42.0
39.0
36.0
33.0
31.0
28.1
25.8
23.3
21.6
20.6
19.4
18.2
17.2
16.0
15.5
14.6
13.3
12.4
11.6
10.3
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
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
100
100
100
100
125
125
125
125
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
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
125
125
125
125
150
150
150
150
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Note: For parts without A, the VBR is ± 10%.
LCE Series
94
Revision: January 09, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/LCE.html for current information.
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > LCE series
Ratings and Characteristic Curves (T =25°C unless otherwise noted)
A
Figure 1 - Peak Pulse Power Rating
Figure 2 - Power Derating Curve
100
Percentage of Rated Power (%)
100
10
1
Average Power
75
50
Peak Power
(Single Pulse)
25
0
0.1
0.000001
0.00001
0.0001
0
0.001
td-Pluse Width (Sec.)
25
50
75
100
125
150
175
TL-Lead Temperature (ºC)
Figure 3 - Pulse Waveform
LCE Series
PPPM - Peak Pulse Power (kW)
1000
Figure 4 - AC Line Protection Application
IPPM- Peak Pulse Current, % IRSM
150
tr=10μsec
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Value
IPPM
100
+
Half Value
IPPM IPPM
( )
2
50
0
+
10/1000μsec. Waveform
as defined by R.E.A
Low Capacitance
TVC
td
1.0
0
2.0
3.0
Application Note: Device must be used
with two units in parrellel, opposite in polarity
as shown on circuit for AC signal lin
protection.
4.0
t-Time (ms)
Steady State Power Dissipation (W)
Figure 5 - Steady State Power Derating Curve
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
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/LCE.html for current information.
95
Revision: January 09, 2009
LCE Series
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > LCE series
Soldering Parameters
Reflow Condition
-FBEoGSFFBTTFNCMZ
tp
TP
- Temperature Min (Ts(min))
Ramp-up
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
oTFDT
Average ramp up rate (Liquidus Temp
(TL) to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
Reflow
Critical Zone
TL to TP
TL
Temperature (T)
Pre Heat
150°C
tL
Ts(max)
Ramp-down
Ts(min)
ts
Preheat
25˚C
- Temperature (TL) (Liquidus)
217°C
- Time (min to max) (ts)
oTFDPOET
t 25˚C to Peak
Time (t)
Peak Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)
oTFDPOET
Flow/Wave Soldering (Solder Dipping)
Ramp-down Rate
6°C/second max
Peak Temperature :
265OC
Time 25°C to peak Temperature (TP)
8 minutes Max.
Dipping Time :
10 seconds
Do not exceed
280°C
Soldering :
1 time
Physical Specifications
Environmental Specifications
Weight
0.045oz., 1.2g
Temperature Cycle
JESD22-A104
Case
JEDEC DO-201 molded plastic body over
passivated junction.
Pressure Cooker
JESD 22-A102
Polarity
Color band denotes the cathode except
Bipolar.
High Temp. Storage
JESD22-A103
Terminal
Matte Tin axial leads, solderable per
JESD22-B102D.
HTRB
JESD22-A108
Thermal Shock
JESD22-A106
Dimensions
D
Dimensions
C
A
B
A
Inches
Min
Millimeters
Max
Min
Max
A
1.000
-
25.40
-
B
0.285
0.375
7.20
9.50
C
0.038
0.042
0.96
1.07
D
0.190
0.210
4.80
5.30
DO-201
LCE Series
96
Revision: January 09, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/LCE.html for current information.
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > LCE series
Part Numbering System
Part Marking System
LCE xxx A X
Cathode Band
XXX
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
TYPE CODE:
A Uni-Directional (5% Voltage Tolerance)
F
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
SERIES CODE
Littelfuse Logo
Product Type
Packaging
Quantity
Packaging
Option
LCExxxXX
DO-201
1200
Tape & Reel
LCExxxXX-B
DO-201
500
BULK
Packaging Specification
EIA STD RS-296E
Littelfuse Concord Packing Spec. DM-0016
LCE Series
Component
Package
Part Number
Schematic
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/LCE.html for current information.
97
Revision: January 09, 2009
LCE Series