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Surface Mount Gas Discharge Tube
NGTA Series
FEATURES
RoHS
Compliant
• FAST RESPONSE, HIGH CURRENT (1,000A @ 8/20mS)
includes all homogeneous materials*
• CASE SIZE 1812 (4.5MM X 3.2MM X 2.7MM)
*See Part Number System for Details
• LOW CAPACITANCE AND INSERTION LOSS
• UL LISTED - ISOLATED LOOP CIRCUIT PROTECTORS-COMPONENTS
• COMPATIBLE WITH REFLOW SOLDERING (+260°C)
• RoHS COMPLIANT
SPECIFICATIONS
Type
Breakdown
Voltage 1, 2
(100V/S)
Breakdown
Voltage
Tolerance
(V)
Impulse
Spark-over
Voltage 1, 2
(1KV/ms)
NGTA1812N151TR1F
150V
105 ~ 195
< 650V
NGTA1812N201TR1F
200V
140 ~ 260
≤ 750V
NGTA1812N301TR1F
300V
210 ~ 390
≤ 750V
NGTA1812N401TR1F
400V
340 ~ 550
≤ 750V
Impulse
Discharge
Current 3
(8/20ms)
Insulation
Resistance
Cap.
(1MHz,
0.5VDC)
Arc
Voltage
1A
Application
~ 8V
Coaxial
1
2
~8V
RS485
RS232
RS422
1
2
~15V
DC12V
AC24V
1
2
~15V
xDSL
1
2
≥1GW @
50V
1,000A
≥1GW @
100V
≤1pF
Circuit
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 101 = 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.
Nominal rate
of rise
Spark-over Test Waveform (ITU-T K.12)
Limit
H
Nominal rate
of
rise
t
t
L
Limit
w
0.2V min.
0
1
NIC COMPONENTS CORP. www.niccomp.com
www.lowESR.com
0
0.9T1
T1 1.1T
1
www.RFpassives.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
0.9T2
T2
1.1T2 T
www.SMTmagnetics.com
Surface Mount Gas Discharge Tube
NGTA Series
REFLOW SOLDERING TEMPERATURE PROFILE
260°C
5 sec. max.
Ramp down
6°C/sec. max.
217°C
60 ~ 150 sec.
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
A
B
C
1812
3.5
5.5
3.5
C
A
B
2
NIC COMPONENTS CORP. www.niccomp.com
www.lowESR.com
www.RFpassives.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
www.SMTmagnetics.com
Surface Mount Gas Discharge Tube
NGTA Series
EMBOSSED PLASTIC CARRIER DIMENSIONS (mm)
Case Size
A
B
fD0
E
F
P0
P1
t
Ko
W
1812
3.70 ±0.20
4.70 ±0.20
1.50 ±0.10
1.75 ±0.10
5.50 ±0.10
4.00 ±0.10
8.00 ±0.10
0.4 ±0.20
3.10 ±0.20
12.0 ±0.20
fD0
P0
t
E
A
F
W
B
Do
P1
Ko
REEL DIMENSIONS (mm) AND QUANTITY
Case Size
D
D1
D2
W1
Qty
1812
f330
f50
13.0 ± 0.15
16.8 ± 2.0
2,000
D2
D1
W1
D
3
NIC COMPONENTS CORP. www.niccomp.com
www.lowESR.com
www.RFpassives.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
www.SMTmagnetics.com