Littelfuse SP4021-01FTG, Triple Uni-Directional TVS Diode Array, 600W, 2-Pin SOD-323

  • RS Stock No. 171-3890
  • Mfr. Part No. SP4021-01FTG
  • Manufacturer Littelfuse
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

The SP4021 Series TVS Diode Arrays can safely provide up to 25A protection against lightning induced surges and up to 600W of power handling capability. This revolutionary design offers 1.5x the power handling capability of alternative solutions, and yields a 16% improvement in low loading capacitance (2.5pF TYP) than competitive products. Ideal for protecting telecommunications interfaces and other high-speed data interfaces without sacrificing signal integrity.

Superb surge protection
Peak pulse power of 600W
Low capacitance of 2.5pF (typ)
Enhanced ESD capability
Low dynamic resistance
RDYN is 0.52Ω for SP4021
Compared to similar market solutions, the SP4021 Series provides remarkably more overhead to electrical threats defined by regulatory standards
-1.5x higher power handling capability
16% lower capacitance than other solutions helps to preserve signal integrity and minimize data loss while offering a more robust device against electrical threats
Enhanced ESD protection provides maximum reliability for equipment during installation and servicing
Provides low clamping voltages for sensitive chipsets, protecting them from catastrophic failure and maximizing system reliability
10/100/1000 Ethernet
T1/E1/T3/E3 Data Lines
Power Ports
Computers & Peripherals
Medical Equipment

Attribute Value
Direction Type Uni-Directional
Diode Configuration Array
Maximum Clamping Voltage 19.6V
Minimum Breakdown Voltage 6.3V
Mounting Type Surface Mount
Package Type SOD-323
Maximum Reverse Stand-off Voltage 5V
Pin Count 2
Peak Pulse Power Dissipation 600W
Maximum Peak Pulse Current 25A
ESD Protection Yes
Number of Elements per Chip 3
Minimum Operating Temperature -40 °C
Maximum Operating Temperature +125 °C
Capacitance 2.5pF
Width 1.45mm
Height 1.04mm
Length 1.9mm
Dimensions 1.9 x 1.45 x 1.04mm
Maximum Reverse Leakage Current 500nA
Test Current 2µA
Temporarily out of stock - back order for despatch 21-04-2020, delivery within 2 working days
Unit of sale: Each (On a Reel of 3000)
(exc. VAT)
(inc. VAT)
Per unit
Per Reel*
3000 - 3000
6000 +
*price indicative