Pulse 3a, 3b

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ISO 7637 Pulse 3a/3b

Occurs as the result of switching processes. The characteristics of this pulse are influenced by distributed capacitance and inductance of the wiring harness.

The EMC Shop stocks EFT generators for ISO pulse 3a/3b and variants.

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Show 12
  • Teseq

    SKU: sku-633

    Teseq CDN 500 Capacitive Coupling Clamp for ISO 7637-3

    Application/Test Type: Electrical Fast Transients automotive applications
    Cable Diameter: up to 40 mm (1.57 in)
    Coupling Length: 1 m (39.4 in)
    Dimensions: 5.6 in. x 40 in. (140 mm x 1000 mm)
    RF Connector: High voltage connector,coaxial. GND connection 4 mm plug, banana
    Standards Met: ISO 7637-3
  • EM Test

    SKU: sku-183

    EM Test UCS 200N50 Automotive Transient Simulator for Pulses 1, 2, 3A/3B

    Applications: EMC Testing on EV Electric Vehicles Batteries & Charging Stations, Automotive Electrical Disturbances
    Standards Met: ISO 7637, FMC1278, Many More
    Max EUT DC Voltage (w/ Built In CDN): 80 Volts
    Max EUT DC Current (w/ Built In CDN): 50 Amps
    Peak Inrush Current Capability: 100 Amps
    Pre-Programmed Pulses: ISO 7637-2 (Pulse 1, 2a,3a/3b 6),SAE J1113, GM 3097, BMW, Volkswagen, PSA, Chrysler PF 9326, DC 10614, Renault, FIAT, Mitsubishi, Honda, Ford ES-XW7T
    Typically In Stock
  • EM Test

    SKU: sku-596

    EM Test Automotive Test System for ISO 7637-2

    Repetition rate: 0.2s - 99.0s
    Test Routines: Quick Start, User Defines Routines, Standards Test Routines Service
    Test voltage: 20V - 600V ± 10% (peak voltage and polarity as per selected standard)
    AS PER ISO 7637-2 THE FOLLOWING STANDARDS CAN BE COVERED: SAE J1113, GM 3097, BMW, Volkswagen, PSA, Chrysler PF 9326, DC 10614, Renault, FIAT, Mitsubishi, Honda, Ford ES-XW7T,
    Burst duration: 0.1ms - 999.9ms
    Electrical Fast Transients: EFT/Burst module for test pulses 3A/3B
    Freestyle Mode Micropulses: Programmable Rise time 1us - 10us in steps of 1us; Pulse duration 50us - 10,000us; Int. resistor 2ohm - 100ohm in steps of 5ohm; 200ohm, 400ohm and 450ohm
    Input: DUT supply +/- DC voltage from VDS 200N or any other DC supply; Pulse 5, 7 From one LD 200N
    ISO PULSE 1 (12V): Rise time 1us +0%/-50% (10% - 90%); Pulse duration 2ms ± 10% (10% - 10%); Int. resistor 10ohm ± 10%
    ISO PULSE 1 (24V): Rise time 3us +0%/-50% (10% - 90%); Pulse duration 1ms ± 10% (10% - 10%); Int. resistor 50ohm ± 10%
    ISO PULSE 2 (12V/24V): Rise time 1us +0%/-50% (10% - 90%); Pulse duration 50us ± 10% (10% - 10%); Int. resistor 2ohm ± 10%
    ISO PULSE 6 (12V) AS PER ISO 7637-1:1990: Rise time 60us +0%/-50% (10% - 90%); Pulse duration 300us ± 10% (10% - 10%); Int. resistor 30ohm ± 10%
    Micropulse: Micropulse module for test pulses 1, 2A and 6
    Output-2: DUT supply +/- Central DUT output Coaxial output; port To connect the capacitive coupling clamp as per ISO 7637-3:2007
    Outputs: Direct Via 50ohm-coaxial connector (for tests using e.g. a capacitive coupling clamp); Coupling mode To the + battery line (supply lines); CRO trigger 5V trigger signal for oscilloscope
    Polarity: Positive/negative (Pulse 3b/3a)
    Pulse duration: 150ns ± 45ns
    Repetition rate-2: 10ms - 9,999ms
    Rise time: 5ns ± 1.5ns
    Source Impedance: 50ohm
    Spike frequency: 0.1kHz - 200kHz
    Test duration: 0:01min - 999:59min
    Test Routines-2: Quick Start On-line adjustable parameters, easy-to-use; Standard Test routines As per ISO 7637-2:2011, Levels 1 - 4; User Test routines Random burst release Change voltage after T Change frequency after T
    Test Voltage: 25V - 1,000V ± 10%
    Trigger: automatic, manual, external, battery switch
    Trigger of bursts: Automatic, manual, external
    UCS 200N Models: Built-in coupling/decoupling networks: UCS 200N50, 80V/50A, 100A@500ms; UCS 200N100, 80V/100A, 150A@500ms; UCS 200N150, 80V/150A UCS 200N200 80V/200A
    Verification: As per Annex C of ISO 7637-2:2011 into 50ohm and 1,000ohm load
  • 3ctest

    SKU: sku-1932

    3ctest Turnkey Automotive EMI Test System

    Applications: EMC Testing on EV Electric Vehicles Batteries & Charging Stations, Automotive Electrical Disturbances
    Standards Met: ISO 7637 ,FMC1278, ISO 16750-2 & More
    Max EUT DC Voltage (w/ Built In CDN): 60 Volts
    Max EUT DC Current (w/ Built In CDN): 30 Amps
    Peak Inrush Current Capability: 100 Amps
    Pre-Programmed Pulses: ISO 7637-2 (Pulse 1, 2a, 3a, 3b)
    Typically In Stock

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