Varistor Datasheet
© 2024 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BT.05/27/24
1
MLA1812NR Varistor Series
Automotive Qualified > Surface Mount
Littelfuse MLA1812NR Varistor Series is an AEC-Q200 qualified
surface-mount Multilayer Varistor (MLV) with ultra-high surge
current handling capability, which will protect integrated circuits
and other components at the circuit board level to ensure reliable
performance of the circuitry. It consists of stack of intercalating
ceramic/electrode and nickel barrier termination.
Description
■ High transient
current absorption
withstandincapability to meet
IEC61000-4-5
■ AEC-Q200 qualified
■ High operating temperature:
125 ºC
■ RoHS compliant,
Halogen-free, and Pb-free
Features
■ Enhance product reliability
and lifespan
■ Meets requirements of auto
graded product and suitable
for automotive applications
■ More reliable and suitable for
high operating temperature
applications
■ Environment-friendly
Benefits
Device Ratings and Characteristics
■ Automotive electronics
(Infotainment, safety, body,
and comfort)
■ Industrial automation
■ LED Lighting
■ Building Applications
Applications
RoHS
Pb
Part Number
Specifications (25
O
C)
Maximum Continuous
Working Voltage
Nominal Voltag
Test Current
@ 1 mA DC
Maximum
Non-repetitive
Surge Current
(8/20 µs)
Maximum
Clamping
Voltage
(8/20 μs)
Capacitance
(Typical)
1KHz
V
M (AC)
V
M (DC)
V
N (DC)
V
N (DC)
I
TM
V
C
@ 5A C
p
(V) (V) Min (V) Max (V) (A) (V) pF
V14MLA1812NRAUTO 10 14 16 22 800 42 8400
V26MLA1812NRAUTO 18 26 31 38 800 62 3200
V30MLA1812NRAUTO 21 30 37 46 800 70 3950
V38MLA1812NRAUTO 30 38 46 54 800 80 2500
V45MLA1812NRAUTO 35 45 50 62 500 90 1800
V56MLA1812NRAUTO 40 56 67 84 800 135 1800
V65MLA1812NRAUTO 50 65 73 91 800 140 1500
V85MLA1812NRAUTO 60 85 90 110 400 145 110 0
V100MLA1812NRAUTO 75 10 0 108 132 500 200 700
Web Resources
Download ECAD models, order samples, and find
technical recources at www.littelfuse.com
Notes:
1. RoHS complaint
2. Qualified based on AEC-Q200
3. Meet IEC61000-4-5 standard
4. Operating Ambient Temperature Range (TA): -40 °C to +125 °C
5. Storage temperature Range (on board): -40 °C to +125 °C
6. Moisture Sensitivity Level: Level 1
7. S=1000pcs/reel
8. Quick response time: <1 ns
9. Storage Time: 12 months max. Storage Temperature: 5 to 40 °C, Relative Humidity: 65% max.
Varistor Datasheet
© 2024 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BT.05/27/24
2
MLA1812NR Varistor Series
Automotive Qualified > Surface Mount
Maximum Clamping Voltage
Limit V-I Characteristics
Part Number
10uA 100uA
1mA
10mA 100mA
1A
10A 100A 1000A
10 100 1000 10000 100000 1000000 10000000 100000000 1000000000
V14MLA1812NRAUTO 21 23 27 31 38 109
V26MLA1812NRAUTO 39 41 47 51 58 130
V30MLA1812NRAUTO 45 48 55 61 68 141
V38MLA1812NRAUTO 55 58 66 74 84 150
V45MLA1812NRAUTO 62.5 66 72.5 79 89 158
V56MLA1812NRAUTO 76 80.5 88 95 109 174
V65MLA1812NRAUTO 86 91 98 105 119 186
V85MLA1812NRAUTO 108 114 122 129 146 215
V100MLA1812NRAUTO 126 134 144 154 174 249
1
10
100
1000
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000
Varistor Voltage (V)
Current (uA) (in Millions)
Maximum Leakage
Maximum Clamping Voltage
V38MLA1812NRAUTO
V45MLA1812NRAUTO
V56MLA1812NRAUTO
V85MLA1812NRAUTO
V65MLA1812NRAUTO
V100MLA1812NRAUTO
V30MLA1812NRAUTO
V26MLA1812NRAUTO
V14MLA1812NRAUTO