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KES7751

Pulse module 5a/5b

The Kikusui KES7751 is a Pulse 5a/5b module designed for automotive EMC transient immunity testing. It generates standardized surge and load-dump waveforms to evaluate the robustness of electronic devices in compliance with ISO 7637-2 and ISO 16750-2 standards. Ideal for integration with KES7700-series EMC test systems for reliable and repeatable automotive testing.

Features

Key capabilities and advantages

  • Pulse module 5a/5b system
  • Full compliance with ISO 7637-2.2004, ISO 7637-2.2011, ISO 7637-3.2007, ISO 16750-2.2010
  • Load dump suppressor for pulse 5b
  • Compact modular cabinet
  • Output terminals provided at a height of 50mm above the floor level as specified in the ISO 7637-2 standard
  • Two types of CDNs available (60 V/50 A and 60 V/100 A)
  • Dedicated software for condition setting and tester control
  • JASO D001-94 pulse unit offered as an optional module

Specification

Technical specifications and parameters

Module type External‑connect type (Pulse 5a/5b)
Compliance ISO 7637-2 / ISO 7637-3 and ISO 16750-2 automotive standards
Peak output voltage (Us) +40.0 V to +200.0 V, adjustable in 0.1 V steps
Output impedance (Ri) selectable 0.5 Ω, 1 Ω, 2 Ω, 4 Ω, 6 Ω, or 8 Ω
Rise time (tr) 10 ms (+0 ms, –5 ms)
Pulse width (td) options 40–700 ms in multiple steps (40, 50, 100, 150 … 700 ms)
Repetition interval (t1) 30.0 s to 99.0 s (steps of 0.1 s); if Ua + Us ≥ 100 V → 60.0 s to 99.0 s
CDN capacity DC 60 V max, 100 A max
Power / Input Supplied from the main test system frame
Dimensions 440 mm (W) × 280 mm (H) × 610 mm (D)
Approximate weight 35 kg
Additional features Load‑dump suppressor for Pulse 5b; output terminals set ~50 mm above floor level as per standard
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