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DN515
MAX. START UP CURRENT
VS.
SUPPLY VOLTAGE
1.6
1.2
0.8
0.4
0
SUPPLY VOLTAGE
(VOLTS D.C.)
0
SUPPLY VOLTAGE
(VOLTS D.C.)
FIG. 1
POWER OUTPUT (WATTS)
0
10
20
0
-4
-8
-12
-16
TYPICAL BASE TEMPERATURE
CHANGE WITH
POWER DISSIPATION
FIG. 3
MOUNTING THE DN-515 HEATER
Thermal compound
between surfaces
#2-56 mounting
MECHANICAL DIMENSIONS
PIN 1
2
3
4
0.600
0.070
0.180
0.500
0.750
0.200
0.400
0.094
0.250
0.310
0.018 DIA. PIN
OFHC GRADE
COPPER
1/2 HARD .00003"
GOLD FLASH
0
20
30
40
10
0
20
30
40
10
10
FIG. 2
20
30
40
30
40
Device being heated
Do not over tighten the mountng screws.
This may result in breaking the ceramic
substrate.
NOTES:
1. Optimum heat transfer between the DN515 and the device being heated occurs when a thermal compound, such
as Dow Corning 340, is applied to the mounting surface of the heater.
2. The DN515 heaters are tested for gross leaks in Fluorocarbon at 125˚C.
3. Operation is possible from 100˚C to 120˚C, however electrical performance is not guaranteed. The input
decreases to less than 20 mA when the ambient temperature is 120˚C.
4. Special enviromental testing is available on request.
screws
™
Page 2
Last Updated 6/25/01
1004 Mallory Way • Carson City, NV 89701 • Phone: 775-882-7721 • Fax: 775-882-7675 • E-mail: info@thermoptics.com • http://www.thermoptics.com
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
360.1
340.6
322.3
305.0
288.7
273.4
259.0
245.4
232.5
220.4
209.0
198.3
188.1
178.5
169.4
160.8
152.7
145.1
137.8
131.0
124.5
118.3
112.5
107.0
101.8
96.9
92.2
87.8
83.6
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
79.6
75.8
72.2
68.8
65.5
62.5
59.5
56.8
54.1
51.6
49.2
46.9
44.8
42.7
40.7
38.9
37.1
35.4
33.8
32.3
30.8
29.4
28.1
26.8
25.5
24.4
23.2
22.2
21.2
20.2
19.3
18.4
17.5
16.7
15.9
15.2
14.5
13.8
13.2
12.5
11.9
11.4
10.8
10.3
9.8
9.3
8.9
8.4
8.0
7.6
7.2
6.8
6.5
6.1
5.8
5.5
5.2
4.9
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
4.6
4.4
4.1
3.9
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.68
1.52
1.37
1.23
1.09
0.95
0.82
0.70
0.58
0.46
0.35
0.25
0.14
0.04
RS
KΩ
T
°
C
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
RS
KΩ
T
°
C
RS
KΩ
T
°
C
RS
KΩ
T
°
C
Heater Temperature vs
Temperature Set Resistor
Therm
Optics
DN515
XXXX
MAX. THERMAL POWER AVAILABLE
VS.
SUPPLY VOLTAGE
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