SMD1210 Compact Resistors

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SMD1210 Series

SMD1210 Series PPTC Resettable Fuse | SMD Polyfuse for Battery, Power, and Interface Circuit Protection

The SMD1210 Series resettable fuses use 1210 (3225 metric) surface-mount packaging and are designed for mid- to high-current density applications. Built with PPTC polymeric material, the fuse transitions to a high-resistance state under fault conditions to limit current, and automatically resets when the fault is cleared. With hold currents up to 3A and operating voltages up to 60V, this series is ideal for lithium battery packs, BMS boards, industrial controllers, routers, telecom modules, portable medical devices, and power tools.

  • Lithium battery protection and BMS systems
  • Industrial control and interface circuits
  • Power tools and motor driver protection
  • Routers, RF modules, telecom equipment
  • Smart home gateways and IoT modules
  • Portable medical monitors and diagnostics
JRPart Number Hold
Current		 Trip Current Rated
Voltage		 Max
Current		 Typical
Power		 Maximum Time To Trip Resistance Size
I hold (A) I trip (A) V max (Vdc) I max (A) P dtyp. (W) Current (A) Time (Sec.) R min (Ω) R 1max (Ω)
JR005-1210RB 0.05 0.15 60 100 0.6 0.25 1.5 2.8 50 1210
JR010-1210RB 0.1 0.3 60 100 0.6 0.5 0.6 0.8 15 1210
JR020-1210RB 0.2 0.4 30 100 0.6 8 0.02 0.4 5 1210
JR035-1210RB 0.35 0.75 16 100 0.6 8 0.2 0.2 1.3 1210
JR035-30-1210RB 0.35 0.75 30 100 0.6 8 0.2 0.2 1.3 1210
JR050-1210RB 0.5 1 16 100 0.6 8 0.1 0.18 0.9 1210
JR075-1210RB 0.75 1.5 6 100 0.6 8 0.1 0.07 0.4 1210
JR075-24-1210RB 0.75 1.5 24 100 0.6 8 0.1 0.07 0.45 1210
JR110-1210RB 1.1 2.2 6 100 0.6 8 0.3 0.05 0.21 1210
JR110-12-1210RB 1.1 2.2 12 100 0.8 8 0.3 0.05 0.25 1210
JR110-16-1210RB 1.1 2.2 16 100 0.8 8 0.3 0.05 0.25 1210
JR150-1210RB 1.5 3 6 100 0.8 8 0.5 0.03 0.11 1210
JR150-16-1210RB 1.5 3 16 100 0.6 8 0.5 0.03 0.16 1210
JR175-1210RB 1.75 3.5 6 100 0.8 8 0.6 0.02 0.08 1210
JR200-1210RB 2 4 6 100 0.8 8 1 0.015 0.07 1210
JRPart Number Hold
Current		 Trip
Current		 Rated
Voltage		 Max
Current		 Typical
Power		 Maximum Time To Trip Resistance Size
I hold (A) I trip (A) V max (Vdc) I max (A) P dtyp. (W) Current (A) Time (Sec.) R min (Ω) R 1max (Ω)
JR150-1210RZB 1.5 3 6 50 0.8 8 2 0.01 0.06 1210
JR150-12-1210RZB 1.5 3 12 50 0.8 8 2 0.01 0.06 1210
JR175-1210RZB 1.75 3.5 6 50 0.8 8 2 0.01 0.04 1210
JR175-12-1210RZB 1.75 3.5 12 50 0.8 8 2 0.01 0.04 1210
JR190-1210RZB 1.9 3.8 6 50 0.8 8 3 0.006 0.037 1210
JR190-12-1210RZB 1.9 3.8 12 50 0.8 8 3 0.006 0.037 1210
JR200-1210RZB 2 4 6 50 0.8 8 3 0.006 0.035 1210
JR200-12-1210RZB 2 4 12 50 0.8 8 3 0.006 0.035 1210
JR260-1210RZB 2.6 5.2 6 50 0.8 13 2 0.003 0.025 1210
JR260-12-1210RZB 2.6 5.2 12 50 0.8 13 2 0.003 0.025 1210
JR300-1210RZB 3 6 6 50 0.8 15 2 0.003 0.02 1210
JR300-12-1210RZB 3 6 12 50 0.8 15 2 0.003 0.02 1210
JR350-1210RZB 3.5 7 6 50 0.8 17.5 2 0.002 0.018 1210
JR350-12-1210RZB 3.5 7 12 50 0.8 17.5 2 0.002 0.018 1210
JR380-1210RZB 3.8 7.6 6 50 0.8 19 2 0.002 0.016 1210
JR380-12-1210RZB 3.8 7.6 12 50 0.8 19 2 0.002 0.016 1210
JR400-1210RZB 4 8 6 50 0.8 20 2 0.002 0.014 1210
JR400-12-1210RZB 4 8 12 50 0.8 20 2 0.002 0.014 1210
JR450-1210RZB 4.5 9 6 50 1 22.5 2 0.001 0.013 1210
JR450-12-1210RZB 4.5 9 12 50 1 22.5 2 0.001 0.013 1210
JR500-1210RZB 5 10 6 50 1 25 2 0.001 0.012 1210
JR500-12-1210RZB 5 10 12 50 1 25 2 0.001 0.012 1210
JR550-1210RZB 5.5 11 6 50 1 27.5 2 0.001 0.011 1210
JR550-12-1210RZB 5.5 11 12 50 1 27.5 2 0.001 0.011 1210
JR600-1210RZB 6 12 6 50 1.2 30 2 0.001 0.01 1210
JR600-12-1210RZB 6 12 12 50 1.2 30 2 0.001 0.01 1210
JR650-1210RZB 6.5 13 6 50 1.2 32.5 2 0.001 0.009 1210
JR650-12-1210RZB 6.5 13 12 50 1.2 32.5 2 0.001 0.009 1210
JR700-1210RZB 7 14 6 50 1.2 35 2 0.001 0.008 1210
JR700-12-1210RZB 7 14 12 50 1.2 35 2 0.001 0.008 1210
JR750-1210RZB 7.5 15 6 50 1.2 37.5 2 0.001 0.007 1210
JR750-12-1210RZB 7.5 15 12 50 1.2 37.5 2 0.001 0.007 1210

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