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Table of Contents
General Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100% Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RoHS Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solderability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Part Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
2
2
2
2
2
3
2 Electrode Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Part Numbering System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Electrode Mini Series (2RM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Electrode Standard Series (2R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Electrode High Voltage Series (2R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Electrode High Current Series (2N) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Electrode Switching Series (2T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Electrode Extremely High Current Series (20B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2 Electrode Standard, High Current, Ultra High Current & Screw Lead Series (AE) . . . . . . . . . . . . . . . . . . . . . . . 11
3 Electrode Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Part Numbering System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Electrode Ultra Mini Series (3RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Electrode Symmetrical Series (3RSSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Electrode Mini Series (3RM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Electrode Standard Series (3R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 & 3 Electrode Surface Mount Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Part Numbering System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Electrode Surface Mount Mini Series (2SM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Electrode Surface Mount Mini Square Series (2SS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Electrode Surface Mount Standard Series (2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Electrode Surface Mount Standard Low Profile Series (2SR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Electrode Surface Mount Chip Series (3216) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Electrode Surface Mount Chip Series (4532) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Electrode Surface Mount Mini Series (3SM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Electrode Surface Mount Symmetrical Series (3SSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
12
13
15
17
18
20
20
21
22
23
24
25
26
27
28
Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
WORLD PRODUCTS INC.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Gas Discharge Tubes | 1
Rev. 13.9
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General Characteristics
Features
•
•
•
•
•
•
UL Recognition.
CUL Recognition (specific types).
Compliance to MIL STD 202G, method 208H and 106.
Can be used to meet the requirements of GR-1361 and ITU K.12.
AQL based on MIL STD 1916
RoHs Compliant and Halogen Free.
Solderability
• All thru-hole types comply with MIL STD 202G, Method 208H.
• For surface mount types see below (J-STD-020C).
Lead-Free Reflow Profile Recommendation (IPC/JEDEC
J-STD-020C
Reflow Parameter
Minimum preheat temperature (TsMIN)
Maximum preheat temperature (TsMAX)
Preheat Time
TsMAX to TL ramp-up rate
Time above temperature TL (tL )
Peak Temperature (TP)
Time 25°C to TP
Time within 5° of Peak TP
Ramp-down rate
Lead-Free Assembly
150°C
200°C
60-180 seconds
3°C/second maximum
217°C 60-120 seconds
245°C ~260°C(recommended 250°C )
6 minute maximum
10-20 seconds
4°C/second maximum
Temperature Rating
Storage -40°C to +150°C
Operate -40°C to +90°C
100% Inspection
• DC Breakdown, insulation resistance, physical dimensions, lead/weld
strength and appearance .
• All other gas tube characteristics are checked using the appropriate
sampling procedures .
• ISO 9001 Certified.
• Gas Tubes have no radioactive content.
IR/Convection Reflow Profile (IPC/JEDEC J-STD-020C)
Tp
RAMP UP
Tp
RoHS Compliance
WPGT Series Gas Discharge Tubes purchased from World Products, LLC
comply to a maximum concentration value of 0.1% by weight in homoge-
neous materials for lead (Pb), mercury, hexavalent chromium, polybrominated
biphenyls (PBB) and polybrominated diphenyl ethers (PBDE) and of 0 .01%
weight in homogeneous materials for cadmium and are in compliance with
Directive 2002/95/EC of the European Parliament and of the Council of 27
January 2003 on the restriction of the use of certain hazardous substances
in electrical and electronic equipment (RoHS Directive). Fail safe types with
date code of 10/05 or after comply to RoHS standards stated above.
T
SMAX
TEMPERATURE
T
SMIN
PREHEAT
RAMP DOWN
25
t 25ºC TO PEAK
TIME
Terms and Definitions
DC Breakdown Voltage
Maximum Impulse Breakdown Voltage
Maximum Impulse Discharge Current
The voltage measured at a rise time of 100v/s.
The maximum breakdown voltage at rise times of 100v/us and 1000v/us for 99% of measured values.
The maximum current applying a waveform of 8/20us that can be applied across the terminals of the gas
tube without causing the gas tube to change more than -20%, +30% from its initial measured DC breakdown
voltage. Dwell time between pulses is 3 minutes.
Rated RMS value of AC current at 50Hz, 1 sec. 10 times. Intervals: 3min. DC breakdown voltage may not
change more than ±25% from its initial measured DC breakdown voltage. IR > 10
8
ohms (-20%, +30% for
70 – 90V) .
The minimum number of impulses of a specified waveform and peak current which a gas tube will conduct
without causing the gas tube to change more than ±25% from its initial measured DC breakdown voltage.
Dwell time between pulses is 1-2 minutes.
The maximum DC voltage across the two terminals of the gas tube under which it may be expected to return
to the high impedance state after the gas tube breakdown .
The resistance of the gas tube shall be measured each terminal to each other terminal .
DC Breakdown Voltage
Measuring Voltage
50V
100V
250V
500V
1000V
70-150V
151-400V
470-1000V
1001-2000V
2001-6000V
Alternating Discharge Current
Impulse Life
DC Holdover Voltage
Insulation Resistance
Capacitance
The capacitance of a gas tube shall be measured each terminal to each other terminal. Test frequency:
1MHz In measurements involving 3-electrode gas tubes, the terminal not being tested shall be connected
to a ground plane .
Rev. 13.9
WORLD PRODUCTS INC.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
2 | Gas Discharge Tubes
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General Characteristics (continued)
Part Marking
2 Electrode Series
2 Electrode Surface Mount Series
Explanation
of Example:
Explanation of Example:
World Products Inc. Logo
4 Digit EIA Date Code
/C = Low Capacitance (Only applicable for 2R & 2N, 70V - 145V)
/S Denotes WPGT-2R600S or WPGT-2R800S
2RM = 2 Electrode Mini (not pictured)
2R = 2 Electrode Standard
2N = 2 Electrode High Current
WPGT = 2 Electrode High Voltage
2T = 2 Electrode Switching (not pictured)
145 = DC Breakdown Voltage
3000 = DC Breakdown Voltage
UL recognition
145 = DC Breakdown
Voltage
4 Digit EIA Date Code
0624/S
2SM
UL recognition
2R-600
2SS
2S and 2SR
2 Electrode Surface Mount Chip
3216 and 4532 Series
2 Electrode Extremely High Current
20B Series
4 Digit EIA
Date Code
3 Electrode Surface Mount
(3SM & 3SSM) Series
Explanation
of Example:
World Products Inc. Logo
4 Digit EIA Date Code
350
350 = DC Breakdown
Voltage
WPGT-20B350 0842
350 = DC
Breakdown Voltage
Part Number Series
UL Recognition
0722
350 = DC Breakdown
Voltage
UL recognition
This applies for 3SSM
series only.
2 Electrode AE Series
High Voltage Screw Lead Type
Explanation
of Example:
S350
No Lead Standard Type
AE Series
Explanation
of Example:
World Products Inc. Logo
4 Digit EIA Date Code
High Voltage
Screw Lead Type
World Products Inc. Logo
4 Digit EIA Date Code
2000 = DC Breakdown Voltage
Series Type
0940
AE-600
600 = DC Breakdown Voltage
Series Type
3 Electrode Series
Explanation
of Example:
World Products Inc. Logo
4 Digit EIA Date Code
3R = Standard Series
3RM = Mini Series
3RSM = Ultra Mini Series
3RSSM = Symmetrical
Series
145 = DC Breakdown
Voltage
UL recognition
No Lead High Current Type
AE Series
Explanation
of Example:
No Lead Ultra High Current Type
AE Series
Explanation
of Example:
World Products Inc. Logo
4 Digit EIA Date Code
World Products Inc. Logo
4 Digit EIA Date Code
0940
AE-600
0940
AE-600
600 = DC Breakdown Voltage
Series Type
600 = DC Breakdown Voltage
Series Type
WORLD PRODUCTS INC.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Gas Discharge Tubes | 3
Rev. 13.9
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