SMD 1206 Varistor Series | Surge Protection for Power Input and Industrial Signal Lines

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LCRRSMD1206 Series

SMD 1206 High-Reliability Varistor | Surge & ESD Protection for Power and Communication Lines

The SMD 1206 Series Metal Oxide Varistors are surface-mount surge and ESD protection devices offering mid-level energy and current handling capability. Ideal for protecting power lines, relay drivers, and industrial communication ports, these components feature fast response (<1ns), low leakage, tight tolerance, and full compatibility with reflow soldering processes. Measuring 3.2 × 1.6 mm, suits reliable protection in medium space-constrained designs.

SMD 1206 Series is widely applied in:

  • Input protection for power adapters and LED driver modules
  • Voltage suppression for RS-485, CAN, and RS-232 ports
  • VFDs, PLCs, and smart control systems
  • Automotive electronics (I/O and ECU modules)
  • Smart meters, home automation, intercom systems
  • UPS units, security control boards, and 5G terminal surge protection
Part Number Working Voltage Breakdown Voltage Peak Current Clamping Voltage Surge Voltage (V)
AC DC @ 1mA DC 8/20uS 8/20uS
VAC V DC VB Ip A V
1206 JR1206-5R0G 2.4 3.3 5 4.0-6.0 100A/200A 1-10 12 ≥500V
JR1206-8R0G 4 5.5 5.5 6.6-9.9 100A/200A 1-10 18
JR1206-120G 7 9 12 10.2-13.8 120A/200A 1-10 24
JR1206-180G 11 14 18 15.3-21.7 120A/200A 1-10 30
JR1206-220G 12 16 22 19.8-24.2 120A/200A 1-10 36
JR1206-240G 14 18 24 21.6-26.4 120A/200A 1-10 38
JR1206-270G 17 22 27 24.3-29.7 120A/200A 1-10 44
JR1206-300G 18 24 30 27.2-33.0 120A/200A 1-10 48
JR1206-330G 20 26 33 29.7-36.3 120A/200A 1-10 54
JR1206-360G 22 28 36 32.7-39.6 120A/200A 1-10 59
JR1206-390G 25 30 39 35.1-42.9 120A/200A 1-10 65
JR1206-420G 26 33 42 38.1-46.2 120A/200A 1-10 72
JR1206-470G 30 38 47 42.3-51.7 120A/200A 1-10 77
JR1206-560G 35 45 56 50.4-61.6 120A/200A 1-10 90
JR1206-680G 40 56 68 61.2-74.8 120A/200A 1-10 110
JR1206-760G 45 60 76 69.1-83.6 120A/200A 1-10 126
JR1206-820G 50 65 82 73.8-90.2 120A/200A 1-10 135
JR1206-101G 60 85 100 90-110 100A/200A 1-10 165
Part Number Working Voltage Breakdown Voltage Peak Current Clamping Voltage Surge Voltage (V)
AC DC @ 1mA DC 8/20uS 8/20uS
VAC V DC VB Ip A V
1206
High 		JR1206-121G 75 100 120 108-132 200A 1-10 200 ≥600V
JR1206-171G 110 140 170 154-187 200A 1-10 300
JR1206-201G 130 170 200 185-225 200A 1-10 340
JR1206-221G 140 180 220 198-242 200A 1-10 360
JR1206-241G 150 200 240 216-264 200A 1-10 395
JR1206-271G 175 225 270 243-297 200A 1-10 455
JR1206-391G 250 320 270 351-429 200A 1-10 650
JR1206-431G 275 350 430 387-473 200A 1-10 710
JR1206-471G 300 385 470 423-517 100A 1-10 775
JR1206-391H 250 320 270 351-429 350A 1-10 650 ≥1000V
JR1206-431H 275 350 430 387-473 350A 1-10 710

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