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IEC 60749-26 Electrostatic discharge (ESD) sensitivity testing—Human body model (HBM)

ESDGuns.com provides a brief overview of the human body model ESD test standard IEC 60749-26 as well as many others. The full standard is available at the IEC and other webstores. ESD generators, calibration equipment as well as technical knoweldge and testing experience is offered by ESDGuns.com, LLC.

Abstract

IEC 60749-26:2013 establishes the procedure for testing, evaluating, and classifying components and microcircuits according to their susceptibility (sensitivity) to damage or degradation by exposure to a defined human body model (HBM) electrostatic discharge (ESD). The purpose (objective) of this standard is to establish a test method that will replicate HBM failures and provide reliable, repeatable HBM ESD test results from tester to tester, regardless of component type. Repeatable data will allow accurate classifications and comparisons of HBM ESD sensitivity levels. ESD testing of semiconductor devices is selected from this test method, the machine model (MM) test method (see IEC 60749-27) or other ESD test methods in the IEC 60749 series. The HBM and MM test methods produce similar but not identical results; unless otherwise specified, this test method is the one selected. This edition includes the following significant technical changes with respect to the previous edition:
a) descriptions of oscilloscope and current transducers have been refined and updated;
b) the HBM circuit schematic and description have been improved;
c) the description of stress test equipment qualification and verification has been completely re-written;
d) qualification and verification of test fixture boards has been revised;
e) a new section on the determination of ringing in the current waveform has been added;
f) some alternate pin combinations have been included;
g) allowance for non-supply pins to stress to a limited number of supply pin groups (associated non-supply pins) and allowance for non-supply to non-supply (i.e., I/O to I/O) stress to be limited to a finite number of 2 pin pairs (coupled non-supply pin pairs);
h) explicit allowance for HBM stress using 2 pin HBM testers for die only shorted supply groups.

Waveform Specifications

  • Rise Time: 2.0-10 ns
  • Decay Time: 130-170 ns
  • Max Ringing Current: 15% of Current Peak
Voltage LevelCurrent Peak (Amps)
125 V (Optional)0.075 - 0.092 A
250 V0.15 - 0.19 A
500 V0.30 - 0.37 A
1,000 V0.60 - 0.74 A
2,000 V1.20 - 1.48 A
4,000 V2.40 - 2.96 A
8,000 V (Optional)4.80 - 5.86 A

R/C Modules for IEC 60749-26

EMC Parter DM6 Module for ESD3000

Rent EMC Partner ESD 3000 with DM6 R/C Network for Human Body Model (HBM) ESD TestingMore Info

Features:

  • Meet IEC 60749-26
  • Human Body Model ESD
  • 100 pF/1500 Ohm
  • .2 to 8 kV
  • Used with ESD3000

Haefely 4700622 RC Network for ONYX

Rent Haefely HBM Module for ONYX ESD Simulator GunMore Info

Features:

  • Used with ONYX
  • 100 pF, 1500 Ohm
  • HBM MIL-STD-883, GR78-CORE
  • Cost Effective Solution
  • Easy to Use Interface

Stress Levels from IEC 61000-4-2

Contact Discharge  Air Discharge
LevelVoltageLevelVoltage
12kV12kV
24kV24kV
36kV38kV
48kV415kV

Pass/Fail Criteria for IEC 61000-4-2

  1. If more than 1 error occurs in the first 50 discharges applied to a test point, the EUT fails the test at that test point and test level.
  2. If 1 error occurs in the first 50 discharges applied to a test point, a second testis run at that test point applying 100 new discharges.If no error occurs in this set of 100 discharges, the EUT passes the test at that test point. If more than one error occurs in this set of 100 discharges, the EUT fails the test. If exactly 1 error occurs in this set of 100 discharges, a third test is performed.
  3. The third test is to repetition of point. If no error occurs in this set of 100 discharges, the EUT passes the test at that test point. If 1 or more errors occur in this set of 100 discharges, the EUT fails the test.