© 2013 Littelfuse, Inc.
202
Revised: May 8, 2013
Varistor Products
High Reliability Varistors
High Reliability Varistors
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/za hirel.html or /db hirel.html
for current information.
1) DSSC Qualified Parts List (QPL) MIL-R-83530
Table 1. MIL-R-83530/1 Ratings and Characteristics
Part
Number
M83530/
Nominal
Varistor
Voltage
(V)
Tolerance
(%)
Voltage Rating
(V) Energy
Rating
(J)
Clamping
Voltage
at 100A
(V)
Capacitance
at 1MHz (pF)
Clamping
Voltage
At Peak
Current
Rating (V)
I
TM
(A)
Nearest
Commercial
Equivalent
(RMS) (DC)
1-2000B 200 -/+10 130 175 50 325 3800 570 6000 V130LA20B
1-2200D 220 +10, -5 150 200 55 360 3200 650 6000 V150LA20B
1-4300E 430 +5, -10 275 369 100 680 1800 1200 6000 V275LA40B
1-5100E 510 +5, -10 320 420 120 810 1500 1450 6000 V320LA40B
This series of varistors are screened and conditioned in accordance with MIL-R-83530 as outlined in Table 2.
Manufacturing system conforms to MIL-I-45208; MIL-Q-9858.
Table 2. Mil-R-83530 Group A, B, and C Inspections
Inspection
AQL
(Percent
Defective)
Major Minor
Number
of Sample
Units
Failures
Allowed
Group A
SUBGROUP 1
High Temperature Life (Stabilization Bake) 100% - - - -
Thermal Shock 100% - - - -
Power Burn-In 100% - - - -
Clamping Voltage 100% - - - -
Nominal Varistor Voltage 100% - - - -
SUBGROUP 2
Visual and Mechanical Examination - 1.0% AQL 7.6% LQ 25% AQL 13.0% LQ Per Plan -
Body Dimensions - Per Plan -
Diameter and Length of Leads - Per Plan -
Marking - Per Plan -
Workmanship - Per Plan -
SUBGROUP 3
Solderability - - - Per Plan -
Group B
SUBGROUP 1
Dielectric Withstanding Voltage - - - Per Plan -
SUBGROUP 2
Resistance to Solvents - - - Per Plan -
SUBGROUP 3
Terminal Strength (Lead Fatigue) - - - Per Plan -
Moisture Resistance - - - Per Plan -
Peak Current - - - Per Plan -
Energy - - - Per Plan -
Group C
EVERY 3 MONTHS
High Temperature Storage - - - 10 0
Operating Life (Steady State) - - - 10 0
Pulse Life - - - 10 0
Shock - - - 10 0
Vibration - - - 10 0
Constant Acceleration - - - 10 0
Energy - - - 10 0
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