Surface Mount Gas Discharge Tube
FEATURES
• FAST RESPONSE, HIGH CURRENT (1,000A @ 8/20mS)
• CASE SIZE 1812 (4.5MM X 3.2MM X 2.7MM)
• LOW CAPACITANCE AND INSERTION LOSS
• COMPATIBLE WITH REFLOW SOLDERING (+260°C)
• RoHS COMPLIANT
includes all homogeneous materials*
NGTA Series
RoHS
Compliant
*See Part Number System for Details
• UL LISTED - ISOLATED LOOP CIRCUIT PROTECTORS-COMPONENTS
SPECIFICATIONS
Type
Breakdown
Voltage
1, 2
(100V/S)
150V
200V
300V
400V
Breakdown
Voltage
Tolerance
(V)
105 ~ 195
140 ~ 260
210 ~ 390
340 ~ 550
Impulse
Spark-over
Voltage
1, 2
(1KV/ms)
<
650V
≤ 750V
Impulse
Discharge
Current
3
(8/20ms)
Insulation
Resistance
≥1GW @
50V
Cap.
(1MHz,
0.5VDC)
Arc
Voltage
1A
~ 8V
~8V
Application
Circuit
NGTA1812N151TR1F
NGTA1812N201TR1F
NGTA1812N301TR1F
NGTA1812N401TR1F
Coaxial
RS485
RS232
RS422
DC12V
AC24V
xDSL
1
2
1
2
1,000A
≤ 750V
≤ 750V
≥1GW @
100V
≤1pF
~15V
~15V
1
2
1
2
Contact NIC regarding availability of values not shown.
1. Parameters are based on ITU-T K.12
2. The V-T waveform of the DC Breakdown Voltage and Impulse Spark-over Voltage must lie between the shades areas (see graph below)
3. Total Impulse Discharge Current 1,000A @ 8/20μs by IEC 61000-4-5, 10 shots.
UL Listing:
NIC COMPONENTS CORP
Isolated Loop Circuit Protectors - Component
RE: QVGQ2.E467518
PART NUMBERING SYSTEM
NGTA 1812 N 401 TR 1 F
RoHS Compliant
1 = 1KA Impulse Discharge Current
TR = Tape & Reel
Voltage Code: 401 = 40 x 10
1
= 400 Volts
Tolerance Code (N = ±30%, See specifications table)
Case Size Code (see dimensions table)
Series
V
DIMENSIONS (mm)
L
4.5 ± 0.3
W
3.2 ± 0.2
H
2.7 ± 0.2
t
0.5 ± 0.1
V max.
Spark-over Test Waveform (ITU-T K.12)
Nominal rate
of rise
Limit
H
Nominal rate
of
rise
t
L
t
w
0.2V min.
Limit
0
0
0.9T
1
T
1
1.1T
1
0.9T
2
T
2
1.1T
2
T
1
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
Surface Mount Gas Discharge Tube
REFLOW SOLDERING TEMPERATURE PROFILE
NGTA Series
260°C
5 sec. max.
Ramp down
6°C/sec. max.
60 ~ 150 sec.
217°C
200°C
Ramp up
3°C/sec. max.
150°C ~ 200°C
60 ~ 180 sec.
25°C to 260°C
8 minutes max.
LAND PATTERN DIMENSIONS (mm)
Case Size
1812
A
3.5
B
5.5
C
3.5
C
A
B
2
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
Surface Mount Gas Discharge Tube
EMBOSSED PLASTIC CARRIER DIMENSIONS (mm)
Case Size
1812
A
3.70 ±0.20
B
4.70 ±0.20
fD
0
1.50 ±0.10
E
1.75 ±0.10
F
5.50 ±0.10
P
0
4.00 ±0.10
P
1
8.00 ±0.10
t
0.4 ±0.20
NGTA Series
K
o
3.10 ±0.20
W
12.0 ±0.20
fD
0
P
0
E
t
A
F
B
D
o
W
P
1
K
o
REEL DIMENSIONS (mm) AND QUANTITY
Case Size
1812
D
f330
D1
f50
D2
13.0 ± 0.15
W1
16.8 ±
2.0
Qty
2,000
D2
D1
W1
D
3
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
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