MCM Electronics

Fast Heat/Recovery Soldering Iron By Tenma (21-8145) MCM Part #21-8145

3.5 stars 7 reviews
MSRP: $15.95
You Save: $6.96 (44 %)

  • 20W iron features 130W "boost" for fast warmup and recovery when required
  • Perfect when general purpose wiring and PC board solderingincludes the occasional larger connection
  • Momentary push—button on the handle provides added power
  • Ceramic heating element ensures consistent, reliable heating
  • Silicon insulated power cord is heat and solvent resistant
  • Tapered handle stays cool and is easy to grip
  • Overall length approximately9"
  • Specifications Top

  • Variety of replacement tips available, conicaltip supplied (#21-7980)

    Available Replacement Tips

  • Standard Conical, #21-7980
  • Micro Point, #21-7981
  • Chisel Point, #21-7982
  • Micro Chisel Point, #21-7983
  • Long Conical, #21-7984
    Part Numbers
    MCM Part #:21-8145
    Tenma Part #:21-8145
    Package Specifications & Dimensions
    Weight:0.35 lbs.
    RoHS Comp:Yes
    Warranty:365 days
    Need to Return?
    Length:12 in.
    Width:3.25 in.
    Height:1.5 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
  • Product Reviews Top

    • by mcenter

      on 12/17/2015

      used twice

      Overall: 2 out of 5

      GREAT idea. Used it twice and it quit working.

    • by jhood197

      on 9/4/2014

      Great Iron at least for a little while

      Overall: 3.5 out of 5

      I buy these irons for some of my technicians because they love to "turbo" button. For the price, these irons work well. They do not last anywhere near as long as the Weller irons, but they are cheap. Keep a few in your desk to replace them when they break. Overall a great cheap iron.

    • by cjpilot

      on 9/10/2012


      Overall: 5 out of 5
      Top 25 Contributor

      Great Iron and heats up fast.

    • by StereoMan

      on 12/12/2011

      Great idea, but short lived

      Overall: 3 out of 5

      What a clever idea! I used to put a diode and a rocker switch in the power cord of my 40W soldering pencil, back in the day. When I didn't need much heat, I turned the switch off, and the diode effectively cut down to 25W. So here's a pencil with the diode and switch built into it. The switch is a momentary, so you have to hold it down to get the super heat effect. It really does get hot! But as big jim said, it's not really 130W. And, as dx points out, this product does not last long. I've purchased several in the last ten years, because A) it's so handy and B) it only gives a few hours at high heat before it burns out. Replacement element? Faggettaboutit!

    • by bigjimhess

      on 5/13/2010

      Nice iron but specs are wrong!

      Overall: 3 out of 5

      MCM needs to check the specs on this iron, while it meets the 20 watt spec the boost is only 42 watts not 130 watts. I have 2 and both check the same.

    • by dxelectronics

      on 11/20/2008

      Only last for a year

      Overall: 2.5 out of 5

      Works good. Only last for a year

    • by eskoog

      on 7/9/2008

      Works like a soldering gun

      Overall: 4.5 out of 5

      Very fast warm-up for brief soldering job. Use anti-seize on barrel screw. Good buy on sale.

    Associated Products

    Image of Brass Coil Soldering Iron Tip Cleaner

    21-4355 - Brass Coil Soldering Iron Tip Cleaner

    Soldering Iron Tip Cleaner High quality tip cleaner uses brass coil sponge which provides superior tip cleaning with virtually no thermal impact. Considered far better than the common damp sponge method because there is no thermal shock when tip comes in contact ...

    In Stock


    Buy Now
    Image of 2 oz. Flux Dispenser Bottle .020

    21-7904 - 2 oz. Flux Dispenser Bottle .020" I.D.

    These new POS-A-LOC® leak proof liquid dispensers offer a convenient way to dispense specific amounts of a variety of liquids without dripping, spilling, or waste.

    In Stock


    Buy Now
    Image of Therma-Boost Heat Tool

    96-2180 - Therma-Boost Heat Tool

    A handy soldering gun for a wide variety of jobs including soldering, cutting, and shaping and features a unique Therma-Boost trigger that gives you added bursts of power when you need it.

    In Stock


    Buy Now

    Others Also Bought

    Image of Outdoor Balun Transformer 300 Ohm to 75 Ohm

    30-2570 - Outdoor Balun Transformer 300 Ohm to 75 Ohm

    Outdoor Balun Matching Transformer This matching transformer is used to connect your 75ohm coaxial cable to the common 300 twin style connection on many outdoor antennas. The CM 94444 is an industry standard balun which offers excellent matching and low loss.

    In Stock


    Buy Now
    Image of Bracket Pole Mount VESA75/100

    50-14535 - Bracket Pole Mount VESA75/100

    Pole Mount Bracket for LCD Monitors Rugged bracket fits any 30mm ~ 60mm diameter pole, whether positioned horizontally or vertically. Great for use with PA speaker and light stands, lighting and stage trusses, and support masts. Pivoting mechanism allows monito...

    In Stock


    Buy Now