Product Information

1820-28-A3

1820-28-A3 electronic component of Bourns

Datasheet
Surge Suppressors L/L 28vdc L/G 28vdc DIN-3 Clamp

Manufacturer: Bourns
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 133.4408 ea
Line Total: USD 133.4408

186 - Global Stock
Ships to you between
Thu. 11 Apr to Mon. 15 Apr
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
168 - Global Stock


Ships to you between Thu. 11 Apr to Mon. 15 Apr

MOQ : 1
Multiples : 1

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1820-28-A3
Bourns

1 : USD 133.4408
5 : USD 128.5625
10 : USD 121.4142
25 : USD 115.5336
50 : USD 102.7583
100 : USD 101.599
250 : USD 99.1599
500 : USD 99.1478
1000 : USD 99.1116

     
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Features Low peak clamping voltage even during Cable shields are passed through and severe current surges may be either grounded or not grounded at the protector Ability to repeatedly protect against surge currents in excess of 10,000 amperes Vibration-proof screw-type clamp terminals Convenient mounting and grounding to any Flame-resistant epoxy- lled housing at surface or to Din 1 (TS-32) or DIN-3 (TS-35) rail 1800 Series Signal and Dataline Protector Bourns Model 1800 Series Signal and Dataline Protectors are designed to protect sensitive electronic circuits and components from damaging surge voltages and currents. Their extremely fast response and low clamping voltages make them particularly suitable for the protection of signal and data lines associated with computer, data communication, instrumentation, broadcasting and industrial controls. They may be used directly with EIA standard interfaces RS-232, RS-422, RS-423, RS-485 and with 20 mA and 50 mA instrumentation loops. The Model 1800 Series Signal and Dataline Protectors are fast, rugged and capable of protecting against fast rising voltage transients as well as the severe current surges associated with lightning discharges. Method of Operation Bourns Model 1800 Series are heavy-duty, multi-staged protectors. A solid-state section intercepts the leading edge of the surge with sub- nanosecond response time. Within microseconds a 3-pole common chambered gas tube capable of handling 20,000 ampere lightning currents operates and crowbars the surge to ground. The protector remains in the crowbar state until the surge has passed and line voltages return to safe levels, then automatically restores the line to normal operation. There is no need for resetting a breakeror replacing a fuse. Application Protectors are generally placed at each end of a signal or data line or current loop. In the case of daisy-chain con gurations (such as RS-485), protectors are placed at each node. The 1820 models provide both line-to-ground and line-to-line protection and are designed to use on differ- ential signals (such as RS-422 or RS-485) and 4-20 mA current loops. 1810 models provide line-to-ground protection for two separate circuits and are designed for use on ground referenced signals (such as RS-232) where the return wire is grounded at the protector. The 1811 and 1821 models provide the same protection modes for high frequency applications. Related Bourns Protectors For outdoor applications with 1/2 inch NPT ports (such as eld-mounted 4-20 mA transmitters), please refer to Bourns Model 1669 Series Protector. In this application, the mixed use of a Model 1800 Series Protector at the controller and a Model 1669 Series Protector at the eld is recommended. Characteristics 25 C Surge Life >100 operations with 200 Amps ....................................................................................................... 10 x 1000 sec >10 operations with 10,000 Amps .................................................................................................... 8 x 20 sec DC Leakage Current at Rated L/G Voltage ........................................................................................... <10 Amps Signal/Data Attenuation at Maximum Data Rate ................................................................................... 3 db with 600 termination Operating Temperature .......................................................................................................................... -40 C to + 60 C Response Time...................................................................................................................................... 50 pico-seconds Wire Size ............................................................................................................................................... 22-14 AWG PROTECTIVE CHARACTERISTICS INTERFACE OPERATING BASE Peak Clamping Voltages LOAD TYPICAL CHARACTERISTICS MODEL SERIES CURRENT CAPACITANCE NUMBER RESISTANCE 5000 Amps, 1000 Amps, Peak Max. 8x20 sec 8x20 sec Signal Data (see below Surge and Voltage Surge and Voltage Voltage Rate Rate-of-Rise of Rate-of-Rise of for Clamp designation) 100 kV / sec 500 V / sec Each Line L/L L/L L/G L/L L/G L/L L/G L/G L/L (Input to output) (Volts) (Volts) (MHz) (Volts) (Volts) (Volts) (Volts) (mA) (pF) (pF) (Ohms) 20 10 10 1810-10-XX 50 25 42 21 220 2200 1200 10 10 10 4 1820-10-XX 25 25 21 21 220 3300 3300 10 20 10 50 1811-10-XX 60 30 52 26 350 45 45 10 10 10 50 1821-10-XX 30 30 26 26 350 65 65 10 30 15 8 1810-15-XX 70 35 56 28 180 1500 750 15 15 15 3 1820-15-XX 35 35 28 28 180 2300 2300 15 30 15 45 1811-15-XX 80 40 64 32 300 45 45 15 15 15 45 1821-15-XX 40 40 32 32 300 65 65 15 56 28 9 1810-28-XX 110 55 90 45 150 1100 600 22 28 28 4 1820-28-XX 55 55 45 45 150 1800 1800 22 56 28 40 1811-28-XX 120 60 78 78 250 45 45 22 28 28 40 1821-28-XX 60 60 45 45 250 65 65 22 100 50 10 1810-50-XX 178 89 156 156 100 500 300 51 50 50 4 1820-50-XX 89 89 78 78 100 800 800 51 WARNING Specications are subject to change without notice. Users should verify actual device performance in their specic Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.EQPT E2 E3 E1 1800 Series Signal and Dataline Protector Typical Connections How To Order (Clamp) Unbalanced Interface, Two Individual Circuits, Such as RS-233 Add -A1 to base model number for DIN-1 clamp. BLDG. 1 BLDG. 2 (Example: 1810-10-A1) P/N 1810 P/N 1810 XMTR E2 L2 L2 E2 RCVR E3 L3 L3 E3 FEED-THRU(E3/L3) GND GND RCVR GROUNDING SCREW E1 L1 L1 E1 XMTR 28.96 EQPT. COMMON COMMON COMMON EQPT. COMMON AND/OR GND. GND. GND. AND/OR GND. (1.14) 49.02 Balanced or Differential Interface, Such as RS-422 (1.93) DIN-1 RAIL BLDG. 1 BLDG. 2 (TS-32/EN50035) P/N 1820 P/N 1820 E2 L2 L2 E2 Add -A3 to base model number for XMTR E3 L3 L3 E3 RCVR GND GND E1 L1 L1 E1 DIN-3 clamp. (Example: 1810-10-A3) EQPT. COMMON COMMON COMMON EQPT. COMMON MOUNTING/GROUNDING SCREW AND/OR GND. GND. GND. AND/OR GND. Current Loop, 4-20 mA CONTROL ROOM 45.47 (1.79) XMTR I P/N 1820 E2 L2 RED RED/WHITE DIN-3 RAIL POWER 250 BOURNS BLACK /WHITE (TS-35/EN50022) E3 L3 SUPPLY OHMS 1669 GREEN GND E1 L1 BLK I MM RECEIVER DIMENSIONS: BOURNS (INCHES) 1-5 VOLTS File No. COMMON PROTECTOR P/N 1669 1800SERS3 GND. Grounding: The 8-32 mounting screw and attached clamp, and hence the DIN-1 (TS-32) or DIN-3 (TS-35) rail, serve as the protector ground. The rail (or 8-32 mounting screw if the clamp is not used) should be connected to the facility ground via an AWG 6 or larger copper wire. This wire should be as short and straight as possible. Single point grounding will provide better protection and will permit the protector to be located a distance from the equipment. Product Dimensions GND 48.51 (1.91) 18.80 3.18 (0.74) (0.125) E3/L3 GROUNDING LINK 2.36 9.53 (0.093) (0.375) 83.31 ALIGNMENT PIN 8-32UNF-2A (3.28) 17.80 (0.70) MM DIMENSIONS: (INCHES) REV. I 10/19 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. ~ ~ ~ ~ ~ ~ ~ ~ ~~ ~~ LINE L1 L3 L2 - +

Tariff Desc

8536.30.00 SURGE SUPPRESSORS, having BOTH of the following:
(a) peak voltage of +/- 6 000 volts;
(b) breakover voltage of 8 to 260 volts
Op. 21.12.1998 Dec. 16.03.1999 - TC 9810972
BOURNS
Bourns Inc.
BOURNS JW MILLER
BR4
J.W. Miller
JW Miller

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