1669-01 Bourns Inc., 1669-01 Datasheet

Gas Discharge Tubes (GDTs) / Gas Plasma Arrestors 1200pF Double Ended

1669-01

Manufacturer Part Number

1669-01

Description

Gas Discharge Tubes (GDTs) / Gas Plasma Arrestors 1200pF Double Ended

Manufacturer

Bourns Inc.

Series

1669r

Datasheet

1.1669-02.pdf (2 pages)

Specifications of 1669-01

Peak Pulse Current

20 KA

Dc Breakover Voltage (nominal)

36 V

Number Of Electrodes

Termination Style

Radial

Failsafe Protection Y/n

Dimensions

3.94 mm L

Mounting Style

Through Hole

Technology

Gas Discharge Tube

Voltage Rating

36 V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Used for full weather protection of ﬁ eld transmitters and instrumentation operating on 24-28 V systems, the 1669 Series protects

sensitive I/O circuitry from surges of any polarity or magnitude. Principal use is on 4-20 mA control loops and can be used on

grounded (+ or -) or ungrounded circuits. Able to survive and protect even from direct lightning strikes to the transmitter ground or

ﬁ eld wiring. Automatic recovery after passage of the surge. Long life, high operational reliability.

Construction is hybrid 3-stage design, using a high surge capacity Balanced Trigard

and silicon suppressors to provide differential and common mode protection with very low clamping levels for delicate loads. The

housing is thick walled schedule 40, type 303 stainless steel. Wiring is #20 (.5 mm

are used for the input; striped colors signify the protected output. The protector ground wire (green) is electrically bonded to the

metallic housing; it is for connection to the grounding screw within the ﬁ eld device. Use Model 1669-02/06 for standard ground

resistance conditions.

Use Model 1669-01 / 05 with higher voltage isolation to ground for sites with high resistance soil conditions or where signiﬁ cant

ground potential differences are known to exist.

Warranty ...................................................................................3 years ................................................. 3 years

Maximum Signal Voltage ..........................................................30 Vpk ................................................. 30 Vpk

DC Clamping Voltage

Capacitance, 1 MHz, max

Series Resistance, per line .......................................................22 Ω ..................................................... 22 Ω

Inductance, per line, max ........................................................1 µH ..................................................... 1 µH

DC Leakage, 24 Vdc, max ........................................................1 µA ..................................................... 1 µA

Impulse Clamping Voltage: L-L ................................................50 V ..................................................... 50 V

Ambient Temperature Range, Storage .....................................65 °C to +130 °C ................................. 65 °C to +130 °C

Operating Temperature

Maximum Load Current ............................................................150 mA ................................................ 150 mA

Humidity ...................................................................................0 - 95 % Condensing .......................... 0 - 95 % Condensing

Altitude, Operating ...................................................................6,000 m ............................................... 6,000 m

Weight

Component Response Time .....................................................1 ns ...................................................... 1 ns

Surge Life (L+L)-G

Characteristics

L-L .......................................................................................36 V ..................................................... 36 V

L-G ......................................................................................250 V ................................................... 36 V

L-L .......................................................................................1200 pF ............................................... 2000 pF

L-G ......................................................................................40 pF ................................................... 2000 pF

1 kA (L+L)-G, 10/1000 µs, 500 V/µs: L-G ..........................750 V ................................................... 70 V

Non-hazardous areas..........................................................40 °C to +100 °C ................................. 40 °C to +100 °C

Hazardous areas .................................................................20 °C to + 55 °C .................................. 20 °C to + 55 °C

- Except when limited for T5 conditions (.73 W ..................129 mA ................................................ 129 mA

1669-01 / 02 .......................................................................150 g ................................................... 150 g

1669-05 / 06 .......................................................................220 g ................................................... 220 g

20 kA 8/20 µs ......................................................................20 times ............................................... 20 times

1 kA 10/1000 µs ..................................................................1000 times ........................................... 1000 times

Features

■

1669 Series – Transient Protector

Fits single or dual conduit ports

Weatherproof

Long life, high operational reliability

Stainless steel construction

Model 1669-01

Model 1669-05

Customers should verify actual device performance in their speciﬁ c applications

) 1000 V, PVC insulated. Solid red and black colors

Gas Tube protector, coordination impedance

Speciﬁ cations are subject to change without notice.

Model 1669-02

Model 1669-06

Related parts for 1669-01

1669-01 Summary of contents

Page 1

... Use Model 1669-02/06 for standard ground resistance conditions. Use Model 1669- with higher voltage isolation to ground for sites with high resistance soil conditions or where signiﬁ cant ground potential differences are known to exist. ...

Page 2

... Installation Diagrams 1669-01, 1669-02 (For control room protector use 1820-28-A1/A3) 1669-05, 1669-06 (For control room protector ...

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