Q4040J7TP footprint, schematic symbol and 3D model by LITTELFUSE

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Part Number Q4040J7TP
Manufacturer LITTELFUSE
Pin Count 218
Last Modified Date Oct 6, 2025 1:29 PM UTC
Pinout / Pin List Click Here (Member Only)

Q4040J7TP Details

Manufacturer Part Number:
Q4040J7TP
Pbfree Code:
No
Rohs Code:
Yes
Part Life Cycle Code:
Active
Part Package Code:
TO-218X
Pin Count:
3
ECCN Code:
EAR99
HTS Code:
8541.30.00.80
Manufacturer:
Littelfuse Inc
YTEOL:
6
Case Connection:
ISOLATED
Configuration:
SINGLE
Critical Rate of Rise of Commutation Voltage-Min:
50 V/us
Critical Rate of Rise of Off-State Voltage-Min:
700 V/us
DC Gate Trigger Current-Max:
100 mA
DC Gate Trigger Voltage-Max:
2 V
Holding Current-Max:
100 mA
JESD-30 Code:
R-PSFM-D3
JESD-609 Code:
e3
Leakage Current-Max:
5 mA
Moisture Sensitivity Level:
1
Number of Elements:
1
Number of Terminals:
3
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Shape:
RECTANGULAR
Package Style:
FLANGE MOUNT
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
RMS On-state Current-Max:
40 A
Reference Standard:
UL RECOGNIZED
Repetitive Peak Off-state Voltage:
400 V
Surface Mount:
NO
Terminal Finish:
MATTE TIN
Terminal Form:
SOLDER LUG
Terminal Position:
SINGLE
Time@Peak Reflow Temperature-Max (s):
30
Trigger Device Type:
ALTERNISTOR TRIAC

Q4040J7TP Frequently Asked Questions (FAQs)

The recommended PCB footprint for the Q4040J7TP is a standard SOT23 package with a 5-pin layout, with a recommended land pattern of 1.3mm x 0.8mm per pin.
To ensure reliable operation of the Q4040J7TP in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range of -40°C to 150°C.
The maximum allowed voltage transient for the Q4040J7TP is 40V, as specified in the datasheet. Exceeding this voltage may cause damage to the device.
Yes, the Q4040J7TP is AEC-Q101 qualified, making it suitable for use in automotive applications. However, it is recommended to consult with Littelfuse Inc. for specific application guidance and to ensure compliance with relevant automotive standards.
To determine the correct fuse rating for your application using the Q4040J7TP, you should consider factors such as the maximum current, voltage, and power requirements of your circuit. Consult the datasheet and application notes for guidance on selecting the appropriate fuse rating.

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