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High Power Input & Output Combiners
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- Conservative ratings.
- Designed for improved power handling capability.
- Low loss materials yield excellent circuit efficiency.
- Ideal for power upgrades using new high output transistors.
- Optimized for 1-55 MHz.
- Custom combiners available.
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You may mix combiners for best price.
| Part Number |
Description |
Core Size |
Rated Watts |
Peak Watts |
Price Ea.
1-9 |
Price Ea.
10-24 |
| COM-2 |
Input/Output |
.5 x .5 |
300 |
500 |
$3.75 |
$3.20 |
| COM-4 |
Output |
.5 x .8 |
900 |
1500 |
5.25 |
4.45 |
| COM-5 |
Output |
.25 x 1.25 |
1150 |
1700 |
5.65 |
4.80 |
| COM-6 |
Output |
.5 x 1.2 |
2800 |
3200 |
6.65 |
5.65 |
| COM-10 |
Output* |
.5 X 2.4 |
5000 |
6000 |
19.95 |
18.95 |
| COM-20 |
Output* |
1.0 x 2.4 |
10,000 |
15,000 |
36.95 |
34.95 |
*includes 100W termination resistor.
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Special Wire for RF Transformers
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| Teflon Insulation |
Price Per Foot (10 foot minimum) |
| Part Number |
Wire Ga. |
Color |
Notes |
10'-24' |
25'-99' |
| TEF-8 |
8 |
- |
- |
$3.20 |
$3.00 |
| TEF-10 |
10 |
Green or Red |
- |
2.30 |
2.05 |
| TEF-12 |
12 |
Yellow or Gray |
- |
1.40 |
1.20 |
| TEF-14 |
14 |
Red or Yellow |
- |
1.15 |
1.10 |
| TEF-16 |
16 |
Green or Orange |
- |
.70 |
.63 |
| TEF-18 |
18 |
Blue or Yellow |
- |
.60 |
.55 |
| TEF-18TP |
18 |
- |
Twisted Red & White |
1.65 |
1.45 |
| TEF-20 |
20 |
- |
- |
.45 |
.40 |
| TEF-20TP |
20 |
- |
Twisted Orange & Green |
1.45 |
1.27 |
| TEF-22 |
22 |
- |
- |
.32 |
30 |
| TEF-24 |
24 |
- |
- |
.30 |
.28 |
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Broadband Ferrite Transformers
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for 3-35 MHz Solid State Amplifiers
Absolutely the best quality Input & Output transformers for use in Linear and Class C amplifiers. Commonly used in commercially built amplifiers using MRF454, MRF455, 2SC2290, 2SC2879, and similar transistors. Transformers are built in various lengths from 1/2" O.D. ferrite.
You may mix transformer lengths for best price.
| Part Number |
Notes |
Length |
Price Ea.
1-4 |
Price Ea.
5-9 |
Price Ea.
10-24 |
Price Ea.
25-up |
| T-.25 |
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¼” |
$3.00 |
$2.75 |
$2.60 |
$2.40 |
| T-.5 |
Type 61 Material |
½” |
3.15 |
2.85 |
2.70 |
2.55 |
| T-.75 |
Type 61 Material |
¾” |
3.80 |
3.25 |
3.10 |
2.90 |
| T-1 |
Type 61 Material |
1” |
3.85 |
3.50 |
3.25 |
3.00 |
| T-1.25 |
Type 61 Material |
1¼” |
5.55 |
4.20 |
3.90 |
3.65 |
| T-1.5 |
Type 61 Material |
1½” |
5.20 |
4.95 |
4.55 |
4.30 |
| T-2 |
Type 61 Material |
2” |
6.25 |
5.75 |
5.30 |
5.00 |
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Wired Transformers
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Available for T-.5, T-1 and T-1.25 transformers.
W3=3 Turns • W4=4 Turns • W5=5 Turns
Example: T-1W4 is the T-1 transformer with 4 turns of teflon wire.
Add $1.75 per transformer for wiring. |
Four teflon covered, silver plated wires in parallel to give 3 Turns.
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Type 61 Material
- Designed 1-30 MHz
- Large ferrite crossection
W 1.25" (30mm)
H 0.625" (15mm)
Core Length 1.26" (32mm)
Part #: T1.25X • Price: $6.95
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