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Best Alternatives to BESDU0603-14

Package: 0603 (1608 metric)BORNTVS - DiodesWorking Voltage (Vdc): 14VTrigger Voltage (Vv): 100VClamping Voltage (Vc): 30VCapacitance (Cp): 0.15pFLeakage Current (IL): <1nA

Reviewing alternatives for the BORN BESDU0603-14, an ultra-low capacitance ESD suppressor. Key considerations for substitutes include matching the 0.15pF capacitance and sub-nanoamp leakage for high-speed signal integrity.

AI replacement insight

Electrical riskmedium

Higher capacitance and leakage in alternatives require validation.

Package risklow

Candidates share the same 0603 package.

Can it be replaced directly?

No direct, one-to-one replacements are available. All reviewed candidates present parametric trade-offs, primarily higher capacitance and leakage.

Best replacement path

Use a parametric search for a 0603 ESD diode with Vrwm >= 14V, capacitance <= 0.15pF, and leakage < 1nA.

Main risk

Signal integrity degradation due to higher capacitance and leakage current in all available alternatives.

Recommended alternatives

3
0603ESDA-LP(24) package
0603ESDA-LP(24)

BORN Semiconductor

Needs validationmedium risk

A 0603 ESD diode with a higher voltage rating but also higher capacitance and leakage current.

View details

Alternative comparison matrix

Feature / factorBESDU0603-140603ESDA-LP(24)BPESD0603-240RF1256-000Compatibility / risk
Package0603 (1608 metric)0603060306030603 — Form factor matches.; BPESD0603-240: Form factor matches.; RF1256-000: Form factor matches.
Voltage14V24V24V24V24V — Higher working voltage provides more margin.; BPESD0603-240: Higher working voltage provides more margin.; RF1256-000: Higher working voltage provides more margin.
Capacitance0.15pF0.2pF0.2pF0.25pF0.2pF / 0.25pF — Higher capacitance may degrade high-speed signals.; BPESD0603-240: Higher capacitance may degrade high-speed signals.; RF1256-000: Higher capacitance may degrade high-speed signals.
Current<1nA200nA200nA10µA200nA / 10µA — Significantly higher leakage current.; BPESD0603-240: Significantly higher leakage current.; RF1256-000: Extremely high leakage current.
Clamping Voltage30V-40V-40V — Higher clamping voltage offers less protection.

Application & sourcing insights

Questions & answers

No direct drop-in replacements have been identified. Candidates like BORN's BPESD0603-240 offer the same package but have increased capacitance (0.2pF vs 0.15pF) and significantly higher leakage, requiring review.