AXIAL-LEAD TVS
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1.4KESD5.0 thru 1.4KESD170CA, e3
1.4KESD5.0 thru
1.4KESD170A
DESCRIPTION APPEARANCE
These small axial-leaded TVS devices feature the ability to clamp
dangerous high voltage short-term transients such as produced by directed
or radiated electrostatic discharge phenomena before entering sensitive
component regions of a circuit design. They are small economical transient
voltage suppressors targeted primarily for short-term transients below a few
microseconds while still achieving significant peak-pulse-power capability
as illustrated in Figure #1.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
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FEATURES APPLIC ATIONS / BENEFITS
• Excellent protection in clampi ng direct ESD level
transients in excess of 15,000 V per MIL-STD-750,
Method 1020 (approx. 150 ns expon ential wave)
• Absorbs ESD level transients* of 1400 Watts per MIL-
STD-750, Method 1020 (approx. 150 ns exponential
wave, or one microsecond transients up to 400 watts.
See Figure #1 and #2 for overall transient Peak Pulse
Power.
• Clamps Transients in less than 100 picoseconds
• Working Stand-off Voltage range of 5 V to 170 V
• Hermetic DO-35 Package. Also available in surface
mount DO-213AA MELF package (see separate data
sheet)
• RoHS Compliant devices available by adding “e3” suffix
• Protects Sensitive circuits from short duration fast
rise time transients such as Electrostatic Discharge
(ESD) or Electrical Fast Transients (EFT)
• Low inherent capac itance for high-frequency
applications (See Figure #4)
• Flexible axial-lead mounting terminals
• Bidirectional features available by adding a “C” or
“CA” suffix
MAXIMUM RAT ING S MECHANICAL AND PACKAGING
• 400 Watts for One Microsecond Square Wave or
1400 watts per ESD Wave form of MIL-STD-750,
method 1020.
• See Surge Rating curve in Figures #1 a nd 2.
• Operating and storage temperature –65oC to 175oC
• THERMAL RESISTANCE: Less than 250oC/W
junction to lead at 0.375 inches from body.
• DC power dissipation 500 mW at TL = 75oC at 3/8
inch (10 mm) lead length from body.
• Derate at 2.3 W/oC above 25oC for PPP (1μs) and at
5 mW/oC above 100oC for dc po wer.
• Forward Surge Current 50 amps for 1μs at TL = 25oC
(rise time > 100 ns).
• CASE: Hermetically sealed axial-lead glass DO-35
(DO-204AH) package
• FINISH: Tin-lead or RoHS Compliant matte-Tin
plating solderable p er MIL-STD-750, method 2026
• POLARITY: Banded end is cathode
• WEIGHT: 0.2 grams (typical)
• MARKING: Part number
• TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
• See package dimension on last page
DO-35
(DO-204AH)
Microsemi
Scottsdale Division Page 1
Copyright © 2006
3-29-2006 REV B 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
AXIAL-LEAD TVS
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1.4KESD5.0 thru 1.4KESD170CA, e3
1.4KESD5.0 thru
1.4KESD170A
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ELECTRICAL CHARACTERISTICS
REVERSE
STAND-OFF
VOLTAGE
BREAKDOWN
VOLTAGE
VBR
MINIMUM BREAKDOWN
CURRENT
MAXIMUM
STANDBY
CURRENT
MAXIMUM
CLAMPING
VOLTAGE
PEAK
PULSE
CURRENT
TYPE
NUMBER* VWM V(BR) I(BR) ID @ VWM VC @ IPP IPP**
VOLTS VOLTS mA μA VOLTS AMPS
1.4KESD5.0
1.4KESD5.0A
1.4KESD6.0
1.4KESD6.0A
5.0
5.0
6.0
6.0
6.40
6.40
6.67
6.67
10
10
10
10
600
600
600
600
13.7
13.2
14.8
14.0
29.20
29.85
27.00
28.50
1.4KESD6.5
1.4KESD6.5A
1.4KESD7.0
1.4KESD7.0A
6.5
6.5
7.0
7.0
7.22
7.22
7.78
7.78
10
10
10
10
400
400
150
150
16.0
15.2
17.3
16.4
24.94
26.32
23.12
24.42
1.4KESD7.5
1.4KESD7.5A
1.4KESD8.0
1.4KESD8.0A
7.5
7.5
8.0
8.0
8.33
8.33
8.89
8.89
1.0
1.0
1.0
1.0
50
50
25
25
18.5
17.5
19.8
18.7
21.57
22.81
20.20
21.37
1.4KESD8.5
1.4KESD8.5A
1.4KESD9.0
1.4KESD9.0A
8.5
8.5
9.0
9.0
9.44
9.44
10.0
10.0
1.0
1.0
1.0
1.0
5
5
1.0
1.0
20.9
19.8
22.2
21.1
19.10
20.16
18.02
18.96
1.4KESD10
1.4KESD10A
1.4KESD11
1.4KESD11A
10
10
11
11
11.1
11.1
12.2
12.2
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
24.7
23.4
27.1
25.7
16.19
17.09
14.76
15.56
1.4KESD12
1.4KESD12A
1.4KESD13
1.4KESD13A
12
12
13
13
13.3
13.3
14.4
14.4
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
29.6
28.0
32.0
30.3
13.51
14.29
12.50
13.20
1.4KESD14
1.4KESD14A
1.4KESD15
1.4KESD15A
14
14
15
15
15.6
15.6
16.7
16.7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
31.2
29.5
33.4
31.7
12.81
13.60
11.98
12.63
1.4KESD16
1.4KESD16A
1.4KESD17
1.4KESD17A
16
16
17
17
17.8
17.8
18.9
18.9
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
35.6
33.8
37.8
35.8
11.22
11.85
10.58
11.17
1.4KESD18
1.4KESD18A
1.4KESD20
1.4KESD20A
18
18
20
20
20.0
20.0
22.2
22.2
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
40.0
37.9
44.4
42.0
10.00
10.56
9.02
9.52
1.4KESD22
1.4KESD22A
1.4KESD24
1.4KESD24A
22
22
24
24
24.4
24.4
26.7
26.7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
48.8
46.2
53.4
50.6
8.20
8.66
7.49
7.91
1.4KESD26
1.4KESD26A
1.4KESD28
1.4KESD28A
26
26
28
28
28.9
28.9
31.1
31.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
57.8
54.7
62.2
59.0
6.93
7.31
6.43
6.79
1.4KESD30
1.4KESD30A
1.4KESD33
1.4KESD33A
30
30
33
33
33.3
33.3
36.7
36. 7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
66.6
63.1
73.4
69.6
6.01
6.34
5.45
5.75
1.4KESD36
1.4KESD36A
1.4KESD40
1.4KESD40A
36
36
40
40
40.0
40.0
44.4
44.4
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
80.0
75.8
88.8
84.2
5.00
5.28
4.50
4.75
1.4KESD43
1.4KESD43A
1.4KESD45
1.4KESD45A
43
43
45
45
47.8
47.8
50.0
50.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
95.6
90.5
100.0
94.8
4.18
4.42
4.00
4.22
1.4KESD48
1.4KESD48A
1.4KESD51
1.4KESD51A
48
48
51
51
53.3
53.3
56.7
56.7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
106.6
101.0
113.4
107.5
3.75
3.96
3.53
3.72
Microsemi
Scottsdale Division Page 2
Copyright © 2006
3-29-2006 REV B 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
AXIAL-LEAD TVS
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1.4KESD5.0 thru 1.4KESD170CA, e3
1.4KESD5.0 thru
1.4KESD170A
REVERSE
STAND-OFF
VOLTAGE
BREAKDOWN
VOLTAGE
VBR
MINIMUM BREAKDOWN
CURRENT
MAXIMUM
STANDBY
CURRENT
MAXIMUM
CLAMPING
VOLTAGE
PEAK
PULSE
CURRENT
TYPE
NUMBER* VWM V(BR) I(BR) ID @ VWM VC @ IPP IPP**
VOLTS VOLTS mA μA VOLTS AMPS
1.4KESD54
1.4KESD54A
1.4KESD58
1.4KESD58A
54
54
58
58
60.0
60.0
64.4
64.4
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
120.0
113.7
128.9
122.0
3.33
3.52
3.10
3.28
1.4KESD60
1.4KESD60A
1.4KESD64
1.4KESD64A
60
60
64
64
66.7
66.7
71.1
71.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
133.4
126.4
142.2
134.7
3.00
3.17
2.81
2.97
1.4KESD70
1.4KESD70A
1.4KESD75
1.4KESD75A
70
70
75
75
77.8
77.8
83.3
83.3
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
155.6
147.4
166.8
158.0
2.57
2.71
2.40
2.53
1.4KESD78
1.4KESD78A
1.4KESD85
1.4KESD85A
78
78
85
85
86.7
86.7
94.4
94.4
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
173.4
164.3
188.5
178.6
2.31
2.44
2.12
2.24
1.4KESD90
1.4KESD90A
1.4KESD100
1.4KESD100A
90
90
100
100
100.0
100.0
111.0
111.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
199.8
189.9
222.3
210.6
2.00
2.11
1.80
1.90
1.4KESD110
1.4KESD110A
1.4KESD120
1.4KESD120A
110
110
120
120
122.0
122.0
133.0
133.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
243.9
213.3
266.4
252.0
1.64
1.73
1.50
1.59
1.4KESD130
1.4KESD130A
1.4KESD150
1.4KESD150A
130
130
150
150
144.0
144.0
167.0
167.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
288.0
273.0
333.9
316.8
1.39
1.47
1.20
1.26
1.4KESD160
1.4KESD160A
1.4KESD170
1.4KESD170A
160
160
170
170
178.0
178.0
189.0
189.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
356.4
337.5
378.0
358.2
1.12
1.19
1.06
1.12
* For bidirectional, add a “C” or “CA” suffix after the part number, e.g. 1.4KESD5.0C or 1.4KESD5.0CA for the
1.4KESD5.0 or 1.4KESD5.0A part numbers respectively. Capacitance will be one-half that shown in Figure 4 at zero volts.
** At 400 watts 1μs square wave rating (See Figures 1 and 2).
OUTLINE AND CIRCUIT
Microsemi
Scottsdale Division Page 3
Copyright © 2006
3-29-2006 REV B
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PPP – Peak Pulse Power
tp – Pulse Time
FIGURE 1 FIGURE 3
Peak Pulse Power vs. Pulse Width
(*Exponential Wave Form Pulse Width to 50% Decay of Peak.)
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
AXIAL-LEAD TVS
WWW.Microsemi .COM
SCOTTSDALE DIVISION
1.4KESD5.0 thru 1.4KESD170CA, e3
1.4KESD5.0 thru
1.4KESD170A
Clamping Factor VC/V(BR)
Breakdown Voltage V(BR) in Volts FIGURE 4
FIGURE 2 Capacitance vs. V(BR) for unidirectional.
Clamping Factor vs. Breakdown Voltage for Various Power Levels For Bidirectional, value is one-half that
shown at zero volts.
PACKAGE DIMEN SIONS
DO-35
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Microsemi
Scottsdale Division Page 4
Copyright © 2006
3-29-2006 REV B 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
