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Sphere Research Corporation
3394 Sunnyside Rd.
Kelowna, BC, Canada V1Z 2V4
Phone: +1 (250) 769-1834
FAX:+1 (250) 769-4106

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All parts are original HP items, even if/when marked with the root number, rather than 182X-XXXX, etc. All new parts are from ex-HP factory or service parts stock, used parts are from HP equipment, and in most cases are simply unplugged from sockets, not unsoldered, but some discrete parts can only be unsoldered. Where possible, we do a functional check on used parts, but all used items are supplied as-is.
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HP/Agilent 1850 Series Parts
Picture HP P/N Equiv. P/N and Data Qty. New
Used
Price
Each
New, Factory Bagged 1850-0035 2N174, Germainum TO-36 power transistor. 2 New $20
New, Loose 1850-0038 RCA TO-3 power transistor, tarnished. 2 New $5
1850-0041 2N2430, factory packaged. 3 New $6
TO-5 1850-0060 TI/RCA Transistor 2 New $4
1850-0062 1850-0062 2N404A, TI SORRY, SOLD Used $3
TO-5, gold leads 1850-0062 2N404A, TI, some factory bagged. SORRY, SOLD New $5
TO-8 1850-0064 RCA, TO-8 Power Transistors. 8 New $12
TO-18, gold leads 1850-0075 2N779A, factory bagged. 2 New $7
1850-0081 / 2N1362 1850-0081 2N1362 TO3 PNP, Ge Power Transistor, all tested. 5 New $12
TO-3 1850-0083 DELCO TO3 PNP, Ge Power Transistor, 1965 part, tested. 1 Used $8
TO-3 1850-0087 Motorola TO3, 2N1544 Power Transistors, facory packed. 2 New $12
TO-3 1850-0098 TO3 Power Transistors, facory packed. SORRY, SOLD New $12
1850-0101 1850-0101 STG 3496, GA3119 Transistor, TI 12 New $5
1850-0126 2N2869 TO3 Power Transistor, factory packaged. 5 New $12
1850-0140 1850-0140 2N1533 TO3 Power Transistor, factory packaged. 4 New $12
TO-3 1850-0157 TO3 Power Transistors, facory packed. 1 New $12
TO-18, Factory bagged 1850-0158 2N2635, factory packaged. 1 New $8
1850-0160 1850-0160 2N2147 TO3 Power Transistor, factory packaged. SORRY, SOLD New $12
1850-0168 1850-0168 TO3 Power Transistor, TI, PNP Ge, hi-beta, high Iceo, very old stock, but all tested. 2 New $12
Special TI stud mounted package 1850-0181 TO5-stud mount GE Power Transistor, TI, 2N2552, very hard to find. 1 New $15
TO-5 Pair, Factory bagged 1850-0423 5080-7352, matched pair, factory packaged. 1 Pair New $15
Cylindrical, Factory bagged 1851-0041 2N2430, factory packaged. 3 New $8
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Picture HP P/N Equiv. P/N and Data Qty. New
Used
Price
Each
TO-5 1853-0001 Fairchild Transistor, TO5 14 New $8
1853-0003 1853-0003 TO-18 Transistor 1 New $4
TO-18 1853-0007 TO-18 Transistor, 2N3251 5 New $6
TO-18, factory bagged 1853-0009 Transistor, Silicon, Motorola TO-18, factory packaged. 14 New $7
TO-18 1853-0010 TO-18 Transistor 16 New $4
TO-5 1853-0012 2N2904A, TO-5 Transistor 16 New $6
TO-92 1853-0015 Transistor, Silicon, Fairchild, factory packaged. 10 New $6
1853-0020 1853-0020 TO-92 Transistor, formed leads, loose and factory bagged. SORRY, SOLD New $3
TO-18 1853-0034 Transistor 2 Used $2
TO-92 1853-0036 2N3906 SORRY, SOLD New $2
TO-39, gold leads 1853-0037 Motorola 7 New $8
1853-0038 1853-0038 SS2123, TO-39 SORRY, SOLD New $3
1853-0040 1853-0040 TO66 Silicon Power Transistor, factory packaged. 4 New $11
1853-0041 1853-0041 2N4036, TO-39, Factory Packaged and loose. 6 New $8
TO-92 formed leads 1853-0042 TO92 tranistor with TO-5 formed leads, loose. 100 New $2
TO-3 1853-0053 Motorola, TO-3 Power Transistor 1 New $10
TO-18, Factory Bagged 1853-0058 2N3644 Transistor, factory bagged 1 New $6
1853-0063 1853-0063 TO3 Power Transistor (Motorola), factory packaged and loose. 10 New $12
TO-18, Factory Bagged 1853-0066 TO-18 Transistor, factory bagged 1 New $6
TO-126, Factory Bagged 1853-0073 TO-126 Plastic Power Transistor, factory bagged 2 New $9
TO-99 Style 1853-0075 Dual Transistor SORRY, SOLD Used $10
1853-0084 1853-0084 2N4918, Plastic Power Transistor 1 New $6
1853-0089 1853-0089 2N4917 SORRY, SOLD New $5
1853-0093 1853-0093 TO-18 Transistor, govt. packaged. 1 New $5
TO-92 1853-0098 TO-92 NPN B=40 Transistor, Motorola. 1 New $3
Sprague Plastic 1853-0099 Transistor, Silicon, Sprague Plastic (formed leads), factory packaged. 25 New $6
TO-39, Factory Bagged 1853-0201 TO-39 Transistor, factory bagged 1 New $15
1853-0203 1853-0203 No data available SORRY, SOLD New $4
1853-0209 1853-0209 No data available SORRY, SOLD New $5
TO-5 1853-0232 Motorola, TO-39 Transistor SORRY, SOLD New $12
TO-220 1853-0233 GE/Motorola/TI, TO-220 Power Transistor 10 New $5
TO-220 1853-0234 TIP42A, TO-220 Plastic Power Transistor 5 New $3
TO-18 1853-0235 Transistor 3 Used $2
Plastic TO-3 1853-0237 TI, SP8743 PNP Power Transistor 3 New $12
TO-3 1853-0252 Motorola TO-3 Power Transistor SORRY, SOLD New $12
1853-0271 1853-0271 2N4403 3 New $3
1854-0300 1853-0300 TO-18 Transistor, factory bagged. 4 New $7
TO-39 1853-0315 Motorola Transistor 17 New $8
TO-99 style 1853-0316 Dual Transistor 1 Used $10
TO-02 1853-0317 Formed TO-92 PNP Transistor 4 New $3
TO-3 1853-0351 2N6053, TO-3 Motorola Power Transistor 9 New $12
TO-18 1853-0352 TO-18 Transistor 2 New $4
TO-92 1853-0354 PNP hi-b Transistor 7 Used $4
TO-220 1853-0363 GE D45H8 Power Transistor 2 New $8
TO-220 1853-0365 Motorola TO-220 Power Transistor 3 New $8
TO-18, Factory Bagged 1853-0379 TO-92, formed leads, factory bagged 5 New $5
1853-0388 1853-0388 Dual Transistor 2 New $15
1853-0389 1853-0389 TO-92, factory bagged 1 New $3
TO-3 1853-0407 2N5880, Motorola TO-3 Power Transistor 6 New $12
1853-0409 1853-0409 TO-220 Power Transistor 6 Used $3
TO-3, Lambda and SCC 1853-0415 PMD13K60 Power Transistor SORRY, SOLD New $12
TO-220 1853-0450 TO-220 Power Transistor 1 New $7
TO-220 1853-0490 Power Transistor 4 Used $5
1853-0532 1853-0532 To-3 Power Transistors 4 Used $5
1853-0563 1853-0563 2N3906(SEL) 1 Used $3
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Picture HP P/N Equiv. P/N and Data Qty. New
Used
Price
Each
1854-0003 1854-0003 Motorola, TO-39 Transistor 25 New $6
TO-18, Factory Bagged 1854-0005 Motorola, TO-39 Transistor 1 New $5
1854-0011 1854-0011 2N835 4 New $6
TO-99 Dual 1854-0014 Transistor, Dual Silicon, TI, factory packaged. 1 New $22
TO-18 1854-0019 TO-18 Transistor SORRY, SOLD New $5
TO-8 1854-0020 STC Power Transistor, TO-8, factory packed. 3 New $12
1854-0022 1854-0022 TO-5, S17834 7 New $6
TO-5 1854-0022 TO-5, S17834 5 Used $4
1854-0023 1854-0023 Si Transistor, SS8042, factory packaged. 30 New $5
1854-0033 1854-0033 2N3391 14 New $3
TO-5 1853-0036 2N2958 Transistor, Silicon, Motorola TO5, factory packaged. 5 New $8
GE Plastic 1853-0033 2N3391, NPN high-b. 5 New $8
TO-5, Factory Bagged 1854-0036 Motorola, 2N2958, TO-5, factory bagged. 5 New $8
1854-0039 1854-0039 2N3053S 16 New $3
TO-18 1854-0045 Fairchild/Motorola, TO-18 Transistor 5 New $6
TO-8 1854-0062 TO-8, 2N1701 Power Transistor, STC, getting hard to find! 5 New $12
1854-0071 1854-0071 TO-92 Transistor, formed leads, loose stock. SORRY, SOLD New $4
TO-66 1854-0072 2N3054/A NPN Power Transistor, TO-66, factory packed & bulk. 15 New $8
TO-66 1854-0072 2N3054 Power Transistor 1 Used $6
1854-0080 1854-0080 TO-3 RCA Power Transistor 2 New $12
TO-18/Dual 1854-0082 Dual Transistor SORRY, SOLD New $14
1854-0087 1854-0087 2N3417 25 New $4
Plastic 1854-0087 2N3417 10 Used $2
TO-5/ Mil packed evelopes 1854-0091 TO-5 Transistor. 10 New $9
TO-18, formed leads 1854-0092 Motorola TO-18 Transistor, formed leads. 6 New $4
TO-92, formed leads 1854-0094 NPN Si Transistor, formed leads. 2 New $4
TO-92 1854-0201 Sprague, TO-18 with TO-5 lead forming. 10 New $2
TO-92, formed leads 1854-0215 2N3904 with TO-5 lead forming. 4 New $2
1854-0221 Intersil Dual Transistor 18 New $18
TO-99 Style 1854-0221 Intersil Dual Transistor 8 Used $12
1854-0225 1854-0225 TO3 Silicon Power Transistor (RCA), factory packaged. SORRY, SOLD New $12
TO-99 Style 1854-0229 4JX12A839, Dual Transistor 2 New $22
TO-99 Style 1854-0229 4JX12A839, Dual Transistor 3 Used $15
1854-0232 1854-0232 2N3440 TO-39 high voltage transistor, factory bagged and bulk. RCA. 18

we also have generic 2N3440 in stock
New $6
TO-66 1854-0237 TO66 Silicon Power Transistor (Motorola), factory packaged. 3 New $10
1854-0239 1854-0239 TO3 Silicon Power Transistor (RCA), factory packaged. 2 New $12
TO-3 1854-0245 TO3 Power Transistor, RCA, factory packed. 2 New $12
TO-99 1854-0248 Dual NPN super-beta Transistor very hard to find. 3 New $26
1854-0250 1854-0250 TO3 Power Transistor 2 New $12
1854-0254 TO-5 Transistor, new factory packed 2 New $11
TO-18 1854-0260 2N3227, TO-18 Transistor 5 New $9
TO-3 1854-0264 2N3715 Power Transistors 6 New $12
TO-66 1854-0282 2N3683, TO-66 Power Transistor 10 New $12
1854-0294 1854-0294 TO3 Power Transistor SORRY, SOLD New $8
TO-99 Dual 1854-0295 Dual TO-99 Transistor 2 New $18
TO-99 Dual 1854-0296 Dual TO-99 Transistor 1 New $20
TO-66 1854-0296 TO-66 Power Transistor 1 New $8
TO-18 1854-0307 TO-18 NPN B=500+ Power Transistor 6 New $6
TO-92, Formed Leads 1854-0314 MPS6521, TO-92 Transistor, Formed Leads 9 New $6
1854-0320 1854-0320 NPN Plastic Power Transistor 3 New $8
TO-66 (Gold) 1854-0341 TO-66 Power Transistor SORRY, SOLD New $12
1854-0344 1854-0344 TO-39 Transistor 1 New $4
1854-0354 1854-0354 SS2077, TO-18 short NPN Transistor 4 New $8
TO-92 Formed 1854-0358 TO-92 with Formed Leads, NPN, B=115 Transistor 9 New $6
TO-99 style 1854-0360 Dual Transistor 1 Used $12
1854-0362 1854-0362 TO-39 Transistor 1 New $6
1854-0370 1854-0370 2N5294 TO-220 Power Transistor 2 New $5
TO-18, Factory Bagged 1854-0371 TO-18 Transistor, factory bagged 4 New $6
Plastic Dual 1854-0375 Sprague Plastic Dual Transistor 2 New $12
1854-0378 1854-0378 2N5109, factory bagged 1 New $5
TO-220 1854-0402 TI SP8438, factory bagged. 2 New $8
TO-18 1854-0404 Transistor SOLD New $3
TO-99 1854-0414 TO-99 Dual NPN super-beta Transistor 2 New $22
TO-39 1854-0419 TO-39 Transistors SORRY, SOLD New $8
TO-220 1854-0420 TI/Fairchild, SP8744, 2N6122 Power Transistor 4 New $7
TO-18 (4 Leads) 1854-0431 RCA, TO-18 (4 leads) 8 New $8
TO-18 (4 Leads) 1854-0442 Motorola, TO-18 (4 leads) 2 New $8
TO-39 1854-0448 TO-39 Transistor 1 New $6
TO-39, Factory Bagged 1854-0473 TO-39 Transistor, replaces 1854-0089, factory bagged 5 New $8
TO-99 style 1854-0475 Dual Transistor 1 Used $12
TO-66 1854-0476 RCA, TO-66 Power Transistor 2 New $8
TO-18 1854-0431 TO-18 Transistor, factory anti-static packed 8 New $8
TO-3 1854-0490 RCA TO-3 Power Transistor 5 New $12
1854-0492 1854-0492 MPS3643 4 New $3
Plastic Power, factory bagged 1854-0514 Motoroal MPSU01A, Plastic Power. 8 New $5
TO-3, factory bagged 1854-0519 RCA 2N3772 Power Transistor 4 New $12
TO-5 1854-0532 TI, TO-5 Transistor 9 New $6
TO-3, factory bagged 1854-0563 RCA TO-3 Power Transistor 5 New $12
1854-0568 1854-0568 TO-92, factory bagged 3 New $4
1854-0569 1854-0569 RCA Power Transistor 2 Used $12
TO-92 Formed 1854-0575 Motorola, TO-92 Formed Leads Transistor 11 New $4
1854-0591 1854-0591 BFR90 SORRY, SOLD New $5
1854-0619 1854-0619 TO-18, Dual Transistor 1 Used $12
TO-3 1854-0624 2N6308 (Motorola) Power Transistor 7 New $12
TO-92 1854-0628 Transistor 10 New $4
TO-92 1854-0628 Transistor 6 Used $2
1854-0630 1854-0630 TO-18 Transistor 1 New $3
Plastic Power 1854-0634 Motoroal plastic med-power transistor, factory bagged, hard to find! 5 New $8
1854-0657 Transistors 1854-0657 Matched pairs, Motorola SJ3369. Part of an upgrade kit (with new resistor and a capacitor, for the HP 62600 J series power supplies. REPLACES 1854-0571 transistors. We have three full kits, HP P/N 5080-1804, will include the parts with each of the transistor pairs. SORRY, SOLD New $26/set
1854-0657 Transistors 1854-0657 Motorola SJ3369 Power Transistors SORRY, SOLD New $12
TO-92 Short, formed leads 1854-0717 TO-92 Transistors, short, formed leads 25 New $4
1854-0724 1854-0724 Motorola RF stripline transistor 2 New $8
TO-3 Power 1854-0744 Late production TO-3 Power transistors SORRY, SOLD New $16
TO-92 1854-0795 TO-92 NPN Transistors 4 New $4
TO-220 1854-0803 TO-220, Power Transistor 1 Used $5
TO-220 1854-0828 TO-220 Power Transistor 4 Used $5
TO-99 Dual 1854-0830 TO-99 Dual Transistor 4 New $18
TO-220 Power 1854-0838 Motorola, NPN TO-220 Power transistors 8 New $6
TO-3 1854-0869 General Semiconductor TO-3 Power TRansistor 1 New $12
1854-0917 1854-0917 RCA TO220 Power Transistor 2 New $6
1854-0955 1854-0955 2N5662, TO-5 Transistor 4 Used $3
TO-3 1854-1070 Motorola TO-3 Power Transistor 1 New $12
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Picture HP P/N Equiv. P/N and Data Qty. New
Used
Price
Each
TO-18 1855-0004 P-Chan. JFET Transistor 1 New $11

1855-0020
1855-0020 SFE793 5 New $12
TO-18 (4 lead) 1855-0022 FET, new, loose. 10 New $16
TO-18 (lead) 1855-0022 FET 4 Used $11
TO-18 1855-0023 P-Chan. JFET, Tested 3 Used $11
1855-0040 1855-0040 No data available SORRY, SOLD New $6
TO-18 Dual 1855-0047 Intersil Dual FET 4 New $26
1855-0049 1855-0049 Dual TO-18 Transistor, factory bagged 1 New $19
TO-18 Dual 1855-0050 TO-18 Dual Transistor 1 New $18
TO-92 Formed Leads 1855-0057 N-Chan. JFET TO-92, formed leads 25 New $8
TO-18 Formed Leads 1855-0062 Motorola TO-92 Transistor, formed leads 6 New $8
TO-18 Dual 1855-0064 Siliconix Dual FET, TO-18 10 New $25
TO-106 Plastic 1855-0067 Siliconix FET SORRY, SOLD New $9
TO-92 Formed Leads 1855-0081 TO-92 FET, formed leads, factory bulk packed 9 New $12
1855-0082 1855-0082 P-Chan FET, TO-92, formed leads 21 New $7
TO-92 Pair 1855-0085 TO-92 Matched Pair Transistor, factory bagged 2 (pairs) New $18
TO-18 Dual 1855-0086 TO-18 Dual Transistor 5 New $18
1855-0093 FET 3 Used $6
TO-92, formed leads 1855-0227 TO-92 Transistor, formed leads SORRY, SOLD New $8
TO-92 1855-0228 TO-92 Transistor 4 New $8
1855-0240 1855-0240 TO-18 (4 Leads), Siliconix FET 6 Used $9
TO-18 (4 Leads) 1855-0240 TO-18 (4 Leads), Siliconix FET 12 New $18
TO-18 Dual 1855-0246 Dual FET, new bulk stock, anti-static packaged. SORRY, SOLD New $18
1855-0246 1855-0246 Dual FET SORRY, SOLD Used $12
1855-0247 Dual FET 1 Used $12
TO-92 1855-0270 Motorola TO-92 FET 5 New $8
TO-92 1855-0271 FET Transistor 4 New $8
1855-0298 1855-0298 Siliconix and National, factory anti-static bulk packed. N-chan JFET. 95 New $12
TO-18 Dual 1855-0308 Dual FET 3 Used $15
TO-18 Dual 1855-0311 National Dual FET 2 New $22
TO-99 Dual 1855-0334 Dual FET, TO-99, Siliconix, factory packaged. 13 New $24
Min. 3 lead SMD 1855-0355 FET 2 New $15
4 lead TO-18 1855-0368 FET 4 New $12
4 lead TO-18 1855-0368 FET 6 Used $7
4 lead TO-18 1855-0385 Motorola FET 3 New $14
TO-18 1855-0407 TO-92 FET, new factory packed. 6 New $11
TO-92 1855-0406 Siliconix TO-92 FET, new factory packed. 2 New $11
TO-18 1855-0407 TO-18 FET, new factory packed. 8 New $12
TO-18 1855-0412 TO-18 N-Chan. Depletion MOSFET, Tested. 3 New $15
1855-0414 1855-0414 2N4393 1 New $12
TO-18 1855-0420 2N4391 12 New $14
TO-92 1855-0429 Selected FET, factory packaged. 5 New $9
TO-220 1855-0461 IR Power MOSFET 5 New $11
1855-0504 1855-0504 IRF630 2 Used $6
DIP16 1858-0015 DIP Transistor Array. SORRY, SOLD New $18
1858-0019 1858-0019 RCA DIP Transistor Array, factory bagged. 3 New $18
1858-0023 1858-0023 RCA CA3081 Transistor Array 17 New $8
1858-0040 1858-0040 RCA Transistor Array 1 New $8
16 Pin DIP 1858-0046 RCA Transistor Array, factory bagged 1 New $12
pic to come 1858-0047 Sprague Transistor Array 4 New $8
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Picture HP P/N Equiv. P/N and Data Qty. New
Used
Price
Each
TO-5, Factory Bagged 1884-0009 TO-5 SCR, GE C6B, very hard to find, new in factory bags. 2 New $12
1884-0012 1884-0012 No data available SORRY, SOLD Used $4
TO-3 1884-0019 TO-3 SCR, 2N3669, used in many HP SCR controlled Power supplies, very hard to find. 6 New $24
1884-0640 1884-0064 A5CR11 2 Used $4
TO-18 (4), Factory Bagged 1884-0070 TO-18 (4 leaded), GE 3N81, very hard to find, new in factory bags. 3 New $19
1884-0244 1884-0244 Thyristor SORRY, SOLD New $8

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