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Bourns TISP4350H3BJRS Overvoltage Protector

The TISP4350H3BJ is a bidirectional thyristor-based overvoltage protector designed for telecommunications and industrial equipment. It safeguards against lightning surges, line overvoltage, and power disturbances, ensuring reliable operation of central office and customer premise devices. Featuring a surface-mount SMB (DO-214AA) package, it offers a high current capacity with minimal series resistance, precise voltage limiting, and compliance with international standards like GR-1089-CORE, FCC Part 68, UL1950, and IEC 60950. Its robust construction provides swift response and durable performance in harsh environments.

Authorized Distributors
Source:Newark
Part No:TISP4350H3BJR-S
Stock:32560
Inv Date:05-28-2026
Price: Unit price: $1.31
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Source:DigiKey
Part No:TISP4350H3BJR-S
Stock:19563
Inv Date:05-28-2026
Price: Unit price: $1.34
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Part No:TISP4350H3BJR-S
Stock:18828
Inv Date:05-29-2026
Price: Unit price: $1.34
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Part No:TISP4350H3BJR-S
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.82
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Part No:TISP4350H3BJR-S
Stock:865
Inv Date:05-28-2026
Price: Unit price: $0.4054
Buy/RFQ:
Part No:TISP4350H3BJR-S
Stock:865
Inv Date:05-28-2026
Price: Unit price: $0.4054
Buy/RFQ:

Bourns TISP4350H3BJRS Overvoltage Protector Specifications:

  • Maximum Repetitive Peak Off-State Voltage: 275 V
  • Breakover Voltage: 350 V
  • Impulse Surge Waveforms: 10/700 μs, 10/560 μs, 10/160 μs
  • Peak Pulse Current: 200 A (10/160 μs wave)
  • Non-repetitive Peak On-State Current: 55 A (20 ms sine wave)
  • Junction Temperature Range: -40°C to +150°C
  • Thermal Resistance: 265°C/W (EIA/JESD51-3 PCB)
  • Capacitance at 100 kHz: 70–90 pF depending on voltage
  • Off-State Capacitance (Vp = -2 V): 55–74 pF
  • Device Package: SMBJ (DO-214AA), surface-mount
  • Maximum Surge Current: 200 A (8/20 μs wave)
  • Storage Temperature Range: -55°C to +150°C
  • Compliance Standards: GR-1089-CORE, FCC Part 68, UL Recognized
  • RoHS Compliant and environmentally friendly

Buy the Bourns TISP4350H3BJ – Reliable Overvoltage Protector for Industrial Applications

Enhance your electrical and telecommunication setups with the Bourns TISP4350H3BJ overvoltage protector. This high-current bidirectional thyristor safeguards against lightning surges and line overvoltages, ensuring consistent operation. Packaged in a reliable SMBJ surface-mount form factor, it features precise voltage limiting, swift response times, and compliance with international standards like GR-1089-CORE and FCC Part 68. Perfect for central office, access equipment, and industrial installations, this device is your go-to choice for durable, reliable surge suppression. Buy online today and protect your valuable equipment effectively.

Get Bourns TISP4350H3BJ today—built for precision, robust surge protection, and long-lasting durability in telecom and industrial systems.

Frequently Asked Questions

Where can I buy Bourns TISP4350H3BJRS?

You can click on the BUY or RFQ button to purchase TISP4350H3BJRS from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part TISP4350H3BJRS?

You can download the TISP4350H3BJRS datasheet or visit the Bourns website for support.

Who is the manufacturer of TISP4350H3BJRS?

Bourns

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