■ Meets test requirements of Telcordia
GR 974, GR1361, SBC SR 5165 and
RUS PE-80
Features
■ Superior protection at a low price
■ Balanced TRIGARD®
■ Telcordia Analysis report DA-1547
■ Patented Switch-Grade Fail-Short Device
■ Quick response and high energy handling
■ Low capacitance (<2.5 pF) - ideal for high-
speed networks in high exposure
environments
U
C
®
L
US LISTED
■
per UL 497 (File: 53117)
■ Solid brass, gold-plated pins
■ Test point access option
■ Sealed option for harsh environments
2420 Series - 5-Pin Gas Discharge Tube (GDT) Protector
The Bourns® 3-type 2420 overvoltage protection modules utilize Bourns’ proprietary high-efficiency gas discharge tube with our
patented Switch-Grade Fail-Short mechanism to provide robust and reliable surge and thermal overload protection at a very
competitive price. The 2420 Series is based on Bourns’ three-terminal common chamber GDT. This design provides greatly
improved and balanced turn-on characteristics for overvoltage protection. The GDT is UL approved for use without a back-up
device. Air back-up devices can become contaminated; the circuitry of the 2420 eliminates this possibility. Our unique Switch-
Grade Fail-Short device provides more reliable thermal overload protection compared to commonly used solder pellet or insulation
burn-through designs.
Bourns® 2420 Series 5-Pin protectors can be used universally for broadband voice and data circuits including ADSL, ADSL2+,VDSL,
VDSL2 and high-speed Ethernet. The 2420 Series is an economical, reliable and low capacitance choice for overvoltage protection
of copper pair circuits.
Characteristics
Test Methods per UL 497, CSA C22.2, Telcordia GR 974, 1361 and SBC SR 5165.
DC Breakdown ............................................................................................................................................... 280-420 V
AC Breakdown @ 60 Hz ................................................................................................................................. 280-420 V
Impulse Breakdown
100 V/µs .................................................................................................................................................... 625 V
1000 V/µs .................................................................................................................................................. 875 V
Insulation Resistance @ 100 Vdc ................................................................................................................... >1 GΩ
Insertion Loss @ 100 MHz.............................................................................................................................. Exceeds Category 5
Return Loss @ 100 MHz................................................................................................................................. Exceeds Category 5
Capacitance Tip to Ring @ 1 MHz ................................................................................................................. <1.25 pF typical
Capacitance Tip or Ring to Ground @ 1 MHz................................................................................................ <2.50 pF typical
Impulse Reset 1
52 V, 260 mA ............................................................................................................................................. <10 ms
135 V, 200 mA ........................................................................................................................................... <10 ms
150 V, 200 mA ........................................................................................................................................... <150 ms
Impulse Life Characteristics (Tip and Ring to Ground Simultaneously)
10 A, 10/1000 µs ....................................................................................................................................... >3000 operations
100 A, 10/1000 µs ..................................................................................................................................... >300 operations
300 A, 10/1000 µs ..................................................................................................................................... >100 operations
500 A, 10/1000 µs ..................................................................................................................................... >400 operations2
2,000 A, 10/250 µs .................................................................................................................................... >25 operations
5,000 A, 20/100 µs .................................................................................................................................... >2 operations
20,000 A, 8/20 µs ...................................................................................................................................... >1 operation
AC Life Characteristics (Tip and Ring to Ground Simultaneously)
0.5 A rms continuous ................................................................................................................................ >30 seconds
1 A rms, 1 second, 600 ft. cable ............................................................................................................... >60 operations
1 A rms, 1 second, 1 mile cable................................................................................................................ >60 operations
10 A rms, 1 second ................................................................................................................................... >5 operations
65 A rms, 11 cycles................................................................................................................................... >1 operation2
120 A rms, 0.1 second .............................................................................................................................. 1 operation
High Current Capability and Thermal Operation (Tip and Ring to Ground).................................................... >30 A rms, 15 min.
Storage and Operating Temperature.............................................................................................................. -55 to +85 °C
Telcordia analyzed for controlled (non-sealed) and uncontrolled, high-exposure (sealed) environments per GR 974 and SBC SR 5165.
Telcordia Technical Analysis Report DA-1547.
Notes:
1
Network applied
Per RUS PE-80
2
Line to Line voltage is approximately 1.8 to 2 times the stated Line to Ground breakdown voltage.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
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