In Stock

A4040 MT/HS Micro Metal Gear HV Servo

Item No.
Spektrum - SPMSA4040
$54.99
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This product may require additional items in order to work out of the box. See below for required items that may be needed to complete.
Servo Arms

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Super Strength Standard Servo Arms: Spektrum 23T
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Aluminum Servo Arm, 1": SPM, JR
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Aluminum Servo Arm, 1": SPM, JR
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Aluminum Servo Arm, 1.5": SPM, JR
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Aluminum Servo Arm, 1.5": SPM, JR
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Aluminum Servo Arm, 2" (JR/SPM)
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Aluminum Servo Arm, 2" (JR/SPM)
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Aluminum Servo Arm, 2" (JR/SPM) (2)
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Aluminum Servo Arm, 2" (JR/SPM) (2)
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Aluminum 1/2 Servo Arm 1.0"
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Aluminum 1/2 Servo Arm 1.0"
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Aluminum 1/2 Servo Arm 1.5"
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Aluminum 1/2 Servo Arm 1.5"
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Aluminum 1/2 Servo Arm 2.0"
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Aluminum 1/2 Servo Arm 2.0"
SPMSP3102
In Stock
$13.99
Aluminum Double Servo Arm 2.5"
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Aluminum Double Servo Arm 2.5"
SPMSP3103
Back Order
$13.99
Aluminum Double Servo Arm 3.0"
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Aluminum Double Servo Arm 3.0"
SPMSP3104
In Stock
$14.99
Aluminum Double Servo Arm 4.5"
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Aluminum Double Servo Arm 4.5"
SPMSP3105
In Stock
$16.99
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Servo Extensions

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Servo Extension Lead: 3" Heavy-Duty
SPMSA4040
Servo Extension Lead: 3" Heavy-Duty
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In Stock
$6.99
Servo Extension Lead: 6" Heavy-Duty
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Servo Extension Lead: 6" Heavy-Duty
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In Stock
$6.99
Servo Extension Lead: 9" Heavy-Duty
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Servo Extension Lead: 9" Heavy-Duty
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In Stock
$6.99
Servo Extension Lead: 12" Heavy-Duty
SPMSA4040
Servo Extension Lead: 12" Heavy-Duty
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In Stock
$7.99
Servo Extension Lead: 18" Heavy-Duty
SPMSA4040
Servo Extension Lead: 18" Heavy-Duty
SPMA3004
In Stock
$7.99
Servo Extension Lead: 24" Heavy-Duty
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Servo Extension Lead: 24" Heavy-Duty
SPMA3005
In Stock
$8.99
Servo Extension Lead: 36" Heavy-Duty
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Servo Extension Lead: 36" Heavy-Duty
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In Stock
$9.99
Servo Extension Lead: 48" Heavy-Duty
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Servo Extension Lead: 48" Heavy-Duty
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In Stock
$10.99
Servo Extension Lead: 3" Standard
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Servo Extension Lead: 3" Standard
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In Stock
$5.99
Servo Extension Lead: 6" Standard
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Servo Extension Lead: 6" Standard
SPMA3051
In Stock
$5.99
Servo Extension Lead: 9" Standard
SPMSA4040
Servo Extension Lead: 9" Standard
SPMA3052
In Stock
$9.99
Servo Extension Lead: 12" Standard
SPMSA4040
Servo Extension Lead: 12" Standard
SPMA3053
In Stock
$7.99
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Accessories

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Servo Connector Clips (25)
SPMSA4040
Servo Connector Clips (25)
SPMA3054
Next Shipment July 2024
$3.99
Socket Head Servo Mounting Screws (20)
SPMSA4040
Socket Head Servo Mounting Screws (20)
SPMA4042
Next Shipment June 2024
$3.99
Socket Head Metal Gear Servo Screws & Washers (6)
SPMSA4040
Socket Head Metal Gear Servo Screws & Washers (6)
SPMA4043
Next Shipment June 2024
$3.99
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Servo Drivers

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XBC100 Smart LiPo Battery Checker & Servo Driver
SPMSA4040
XBC100 Smart LiPo Battery Checker & Servo Driver
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In Stock
$49.99
0 of 1 Selected
Product $54.99
Add Ons
Estimated Total: $54.99
Estimated Total: $54.99
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A4040 HV Mid Torque High Speed Digital Micro MG Servo

The Spektrum A4040 digital micro, metal gear servo offers extraordinary performance for park flyer size (15-25 size) and specialty aircraft applications. High voltage capable, the A4040 can produce 7.0kg-cm (96 oz-in) of torque at 0.094 sec/60° speeds with 8.4V input. Its low-wear, metal gear drive train is powered by a coreless motor and bearing supported for smooth operation. The A4040 also features an aluminum center section case for efficient heat dissipation, plus low deadband and high resolution. Like all Spektrum servos, the A4040 delivers reliability, consistency and performance that are second to none.

  • High Voltage (HV) capable (4.8-8.4v input range)
  • Micro size is perfectly suited for parkflyer and sport size model aircraft
  • Aluminum servo case helps keep operating temperatures low
  • Low wear and tightly meshed all metal gear train
  • Bearing supported drive train helps maximize smooth operation

Features

  • High Voltage (HV) capable (4.8-8.4v input range)
  • Micro size is perfectly suited for parkflyer and sport size model aircraft
  • Class leading performance (7.0kg-cm and .094 sec/60° @8.4v)
  • Aluminum servo case helps keep operating temperatures low
  • Low wear and tightly meshed all metal gear train
  • Bearing supported drive train helps maximize smooth operation
  • Over Current and Temperature protection
  • Operating Frequency: 200hz to 333hz

Product Specs

Bearing
Single BB
Bushing Or Bearing
Bearing
Gear Type
Metal
Deadband
<1µs
Input Voltage
4.8V-8.4V
Product Application
Air
Product Height
1.23" (31 mm)
Servo Type
Digital
Application
Airplane
Overload Protection
No
Product Weight
0.9oz (26g)
Programmable
No
Prop 65
Prop 65 Warning Icon  California Residents Prop 65 WARNINGS.
Servo Size Category
Micro
Connector Type
Universal
Maximum Servo Speed
0.16 sec/60 deg @ 6.0V; 0.12 sec/60 deg @ 7.4V; 0.10 sec/60 deg @ 8.4V
Product Length
1.1" (28 mm)
Wire Gauge
22 AWG
Product Width
0.54" (14 mm)
Maximum Servo Torque
84 oz-in (6.05kg-cm) @ 6.0V; 91 oz-in (6.55kg-cm) @ 7.4V; 96 oz-in (7kg-cm) @ 8.4V
Spline Count
23 - Tooth
Water-Resistant
No
Servo Operating Voltage
4.8 - 8.4V (HV)

Compatibility

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Product Details

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In The Box
  • (1) A4040 Micro Digital Servo
  • (4) Pre-installed Mounting Grommets and Eyelets With Hardware
  • (3) Plastic Servo Arms and (1) Screw
A4040 MT/HS Micro Metal Gear HV Servo