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

NGTA Series

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

• UL LISTED - ISOLATED LOOP CIRCUIT PROTECTORS-COMPONENTS

• COMPATIBLE WITH REFLOW SOLDERING (+260°C)

• RoHS COMPLIANT

SPECIFICATIONS

*See Part Number System for Details

RoHS

Compliant

includes all homogeneous materials*

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.

w

L

H

t

t

L

W

H

t

4.5 ± 0.3

3.2 ± 0.2

2.7 ± 0.2

0.5 ± 0.1

DIMENSIONS (mm)

V max.

0.2V min.

Nominal rate

of rise

Nominal rate

of

rise

Limit

Limit

V

0

0

0.9T

1

T

1

1.1T

1

0.9T

2

T

2

1.1T

2

T

NGTA 1812

401 TR

F

RoHS Compliant

TR = Tape & Reel

Tolerance Code (N = ±30%, See specifications table)

Case Size Code (see dimensions table)

Series

PART NUMBERING SYSTEM

N

1

1 = 1KA Impulse Discharge Current

Contact NIC regarding availability of values not shown.

Type

Breakdown

(100V/S)

Breakdown

Voltage

Tolerance

(V)

Impulse

Spark-over

(1KV/ms)

Impulse

Discharge

(8/20ms)

Insulation

Resistance

Cap.

(1MHz,

0.5VDC)

Arc

Voltage

1A

Application

Circuit

NGTA1812N151TR1F

150V

105 ~ 195

< 650V

1,000A

≥1GW @

50V

≤1pF

~ 8V

Coaxial

NGTA1812N201TR1F

200V

140 ~ 260

≤ 750V

≥1GW @

100V

~8V

RS485

RS232

RS422

NGTA1812N301TR1F

300V

210 ~ 390

≤ 750V

~15V

DC12V

AC24V

NGTA1812N401TR1F

400V

340 ~ 550

≤ 750V

~15V

xDSL

1

2

1

2

1

2

1

2

UL Listing:

NIC COMPONENTS CORP

Isolated Loop Circuit Protectors - Component

RE: QVGQ2.E467518

Spark-over Test Waveform (ITU-T K.12)