Varistor products, High reliability varistors – Littelfuse High Reliability Varistors User Manual
Page 2
© 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