NV73
metal oxide varistor
EU
features
•
Multilayer structure
•
High surge current
•
Protector against static electricity,
switching and incoming surges
•
Marking: Black body color with no marking
•
Suitable for both flow and reflow soldering
•
Products with lead-free terminations meet EU RoHS
requirements. Pb located in glass material, electrode
and varistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
dimensions and construction
NV73A 1H
& 1E
W
L
d
d
Type
(Inch Size Code)
L
.024±.001
(0.6±0.03)
.023±.004
(1.0±0.1)
.063±.006
(1.6±0.15)
.079±.008
(2.0±0.2)
.126±.008
(3.2±0.2)
.126±.008
(3.2±0.2)
.177±.008
(4.5±0.2)
.224±.008
(5.7±0.2)
Dimensions
inches
(mm)
W
t
.012±.001
(0.3±0.03)
.02±.004
(0.5±0.1)
.031±.006
(0.8±0.15)
.049±.008
(1.25±0.2)
.063±.008
(1.6±0.2)
.098±.008
(2.5±0.2)
.126±.008
(3.2±0.2)
.197±.008
(5.0±0.2)
.012±.001
(0.3±0.03)
.023 max.
(0.6 max.)
.031±.006
(0.8±0.15)
.051 max.
(1.3 max.)
.065 max.
(1.65 max.)
.059 max.
(1.5 max.)
.079 max.
(2.0 max.)
.098 max.
(2.5 max.)
d
.004 min.
(0.1 min.)
.01±.006
(0.25±0.15)
.016
(0.4
+.006
-.008
+0.15
-0.2
)
Sn
Plating
Ni
Plating
Varistor
Element
Inner Side
Electrode
Inner
Electrode
1H
(0201)
1E
(0402)
1J
(0603)
2A
(0805)
2B
(1206)
t
.02±.010
(0.5±0.25)
.02
(0.5
+.014
-.010
+0.35
-0.25
)
NV73
W
t
d
Protective
Coating
L
2E
(1210)
Solder
Plating
d
2J
(1812)
2L
(2220)
.020±.008
(0.5±0.2)
.020
(0.5
.020
(0.5
+.001
-.004
+0.3
)
-0.1
+.001
-.004
+0.3
-0.1
)
ordering information
NV73
Type
A
Energy
Code
A
B
C
L
Capacitance
Type
L: Low
Capacitance
(1E only)
1J
Size
1H: 0201
1E: 0402
1J: 0603
2A: 0805
2B: 1206
2E: 1210
2J: 1812
2L: 2220
T
Termination
Material
T: Sn
TE
Packaging
TBM: 2mm press paper
(1H: 15,000 pieces/reel)
TP: 2mm pitch paper
(1E: 10,000 pieces/reel)
TE: 7" embossed plastic
(1J, 2A, 2B: 2,500
pieces/reel;
2J, 2L: 1,000 pieces/reel
2E: 2,000 pieces/reel)
8R2
Varistor
Voltage
8.2V 8R2
18V 18
“R” indicates
decimal on
value <10Ω
For further information
on packaging, please refer
to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/05/11
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
247
circuit
protection
NV73
metal oxide varistor
applications and ratings
(continued)
Part
Designation
NV73B2JTTE39
NV73B2JTTE47
NV73B2JTTE56
NV73A2LTTE12
NV73A2LTTE15
NV73A2LTTE18
NV73A2LTTE22
NV73A2LTTE24
NV73A2LTTE27
NV73A2LTTE33
NV73A2LTTE39
NV73A2LTTE47
NV73A2LTTE56
NV73A2LTTE68
NV73A2LTTE100
NV73A2LTTE110
NV73B2LTTE15
NV73B2LTTE18
NV73B2LTTE22
NV73B2LTTE24
NV73B2LTTE27
NV73B2LTTE33
NV73B2LTTE39
NV73B2LTTE47
NV73B2LTTE56
NV73B2LTTE82
Reference Varistor
Voltage @ 1mA
nom. (Range)
Vc
39 (35.1 - 42.9)
47 (42.3 - 51.7)
56 (50.4 - 61.6)
12 (10.2 - 13.8)
15 (12.8 - 17.3)
18 (16.2 - 19.8)
22 (19.8 - 24.2)
24 (21.6 - 26.4)
27 (24.3 - 29.7)
33 (29.7 - 36.3)
39 (35.1 - 42.9)
47 (42.3 - 51.7)
56 (50.4 - 61.6)
68 (61.2 - 74.8)
100 (90 - 110)
110 (99 - 121)
15 (12.8 - 17.3)
18 (15.3 - 20.7)
22 (19.8 - 24.2)
24 (21.6 - 26.4)
27 (24.3 - 29.7)
33 (29.7 - 36.3)
39 (35.1 - 42.9)
47 (42.3 - 51.7)
56 (50.4 - 61.6)
82 (73.8 - 90.2)
Clamping
Voltage
V
P
65
77
90
28
33
36
41
45
48
57
65
77
90
110
165
180
33
36
41
45
48
57
65
77
90
135
I
P
Maximum
Peak Current
I
P
(A) @ 8/20
microsecond
(2 pulses)
800
Maximum
Energy
E
(J)
3.7
4.2
4.2
1.9
2.3
2.7
2.9
3.1
3.8
4.3
5.5
6.3
7.7
8.8
6.8
6.8
4.2
5.4
5.8
5.8
7.2
7.8
9.6
12.0
7.7
5.6
Maximum
Allowable
Voltage
a.c rms (V)
25.0
30.0
35.0
6.0
8.0
11.0
12.0
14.0
17.0
20.0
25.0
30.0
35.0
40.0
60.0
70.0
8.0
11.0
12.0
14.0
17.0
20.0
25.0
30.0
35.0
50.0
Maximum
Allowable
Voltage
d.c (V)
30.0
38.0
45.0
9.0
11.0
14.0
16.5
18.0
22.0
26.0
30.0
38.0
45.0
56.0
85.0
90.0
11.0
14.0
16.5
18.0
22.0
26.0
30.0
38.0
45.0
65.0
Operating
Temp.
T
opt
(°C)
Storage
Temp.
T
stg
(°C)
1000
––
-50°C
to
+125°C
-50°C
to
+150°C
1200
1000
Maximum allowable voltage - the maximum sinusoidal RMS voltage or maximum DC voltage which can be applied continuously
E: Maximum energy - the maximum energy within the varistor voltage change of ±10% when a single impulse of 2m sec. is applied
I
P
: Maximum peak current - the maximum peak current within the varistor voltage change of ±10% when a single standard impulseof 8/20µ sec. is applied two times with an interval of 5 min.
T
opt
: Operating temperature - Ambient temperature range when the device is operating
T
stg
: Storage temperature - Temperature range without causing the device any failure
environmental applications
Performance Characteristics
Parameter
Varistor Voltage
Solderability
Resistance to Solder Heat
Rapid Change of Temperature
Maximum Peak Current
Maximum Energy
High Temperature Life with d.c. Bias
Low Temperature Life with d.c. Bias***
High Temperature Life with a.c. Bias**
High Temperature & High
Humidity Life with d.c. Bias
Capacitance*
High Temperature Storage Life
Low Temperature Storage Life
* 1H, 1E
** 1J, 2A, 2B
*** 2E, 2J, 2L
1/05/11
circuit
protection
Requirement
∆
V±%
Within specified tolerance
95% coverage minimum
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Typical
±10%
±10%
Test Method
Voltage between terminals when 1mA is flowed
230°C ± 5°C, 4 seconds ± 1 second; 235°C ± 5°C, 4 seconds ± 1 second***
260°C ± 5°C, 10 seconds ± 0.5 second*; 270°C ± 5°C, 3 seconds ± 0.5 second**;
260°C ± 5°C, 4 seconds ± 1 second***
-40°C (30 minutes), +125°C (30 minutes), 30 cycles; 5 cycles***
A single standard impulse of 8/20µ seconds, positive/negative applied once each;
A single standard impulse of 8/20µ seconds, 100 pulse, 30 second interval***
A single standard impulse of 10/1000µs, once*; A single standard impulse of 2ms, once**;
A single standard impulse of 10/1000µs, 100pluse, 90 second interval***
85°C ± 5°C, 1000h, Load: Maximum allowable circuit voltage (d.c.);
125°C ± 5°C, 1000h, Load: Maximum allowable circuit voltage (d.c.)***
-50°C ± 5°C, 1000h, Load: Maximum allowable circuit voltage (d.c.)
85°C ± 5°C, 1000h, Load: Maximum allowable circuit voltage (Va.c.
r.m.s.
)
40°C ± 5°C, 95% RH, 500h, Load: Maximum allowable voltage (d.c.)
1kHz: Others, 1MHz: Varistor voltage 120V
125°C ± 5°C, 1000h; 150°C ± 5°C, 1000h***
-40°C ± 5°C, 1000h; -50°C ± 5°C, 1000h***
For Voltage Current Curves Graphs see Environmental Applications. Additional environmental applications can also be found at www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
250
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
