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Bourns 203509SMLF Precision Surge Protector

Bourns offers the 2035-xx-SM series as a surface mount (SM) 2-electrode GDT surge protection device. These devices combine industry-leading quality with features like a compact mini-size, high surge current rating, low capacitance, and stable breakdown. They are compatible with pick and place assembly systems and are ideal for high-density applications such as PCBs for telecommunications, commercial, and industrial applications. The 2035-09-SMLF model offers reliable surge protection in a small form factor and is designed for ease of integration into modern electronic designs.

Authorized Distributors
Source:Newark
Part No:2035-09-SMLF
Stock:585
Inv Date:05-28-2026
Price: Unit price: $1.47
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Source:DigiKey
Part No:2035-09-SMLF
Stock:6584
Inv Date:05-28-2026
Price: Unit price: $1.21
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Part No:2035-09-SMLF
Stock:31
Inv Date:05-29-2026
Price: Unit price: $1.01
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Part No:2035-09-SMLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.83
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Part No:2035-09-SMLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.57
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Part No:2035-09-SMLF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.57
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Part No:2035-09-SMLF
Stock:31916
Inv Date:05-29-2026
Price: N/A
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Bourns 203509SMLF Precision Surge Protector Specifications:

  • DC Sparkover ±15 % @ 100 V/s: 90 V
  • Impulse Sparkover (1) 100 V/μs 1000 V/μs: 350 V 525 V
  • Insulation Resistance (IR) 100 V: >1010Ω
  • Glow Voltage: ~70 V
  • Arc Voltage: ~10 V
  • Glow-Arc Transition Current: <0.5 A
  • Capacitance 1 MHz: <1 pF
  • DC Holdover Voltage (2): <150 ms
  • Impulse Discharge Current 10000 A, 8/20 μs: operation minimum
  • Alternating Discharge Current 20 Arms, 11 cycles: 1 operation minimum
  • Operating Temperature: -55 to +85 °C
  • Climatic Category (IEC 60068-1): 40/90/21
  • UL Recognized: UL File E153537
  • Sparkover limits after life: ±20 % (-25 %, +30 % for Model 2035-09, 2035-60)
  • IR: >10[8]
  • AQL: 0.65 Level II, DIN ISO 2859
  • Reflow: IPC/JEDEC J-STD-020 rev D

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Frequently Asked Questions

Where can I buy Bourns 203509SMLF?

You can click on the BUY or RFQ button to purchase 203509SMLF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 203509SMLF?

You can download the 203509SMLF datasheet or visit the Bourns website for support.

Who is the manufacturer of 203509SMLF?

Bourns

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