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Philips / Amperex / Mullard / Valvo two digit codes

Code AC AD AE AF AG AH AI AJ AL AM AN AS AT AU AW AX Ad Af A0 A3 A4 A5 A6 A7 A8 A9 BA BB BC BD BE BG BH BI BJ Type Comment AW43-89 EC88 EL500 6GB5 6EU7 CV4035 PY33 DL97 ECC230 6080 AX50 PC97 PL1607 LC97 LF183 LF184 6GK5 6GK6 85A1 CV4011 M8196 347 E88C 8255 EC800 XL500 EC1000 PCF802 6CQ8 PY83 XCF86 6DK6 E88C ECH800 12T8 E80CF 7643 7475 PEN4DD CV4029 5902 M8200 E55L E55L 8233 5639 2GK5 Code BX BY BZ Bf B1 B2 B3 B4 B5 B6 B7 B8 B9 B+ CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CP CR CS CT CU CW CZ Cd Cf Ck Cm Cr Ct C0 C2 Type Comment XL36 MX153 YL1000 CV4049 M2PE M3DV M4PCF M7EF 95400 4-OA31 M8ECC.1 M13PCC VX8250 3GK5 35C3 12CU5 6CU5 4GK5 CV1377 3CS6 OKL1p ECF802 6JW8 PL84 min 15CW5 VX8189 6AQ5A 12AU6A 12C5 PCF806 PEN40DD CZ30 6-OA31 8-OA31 PCC34 18045 EC95 6463 CV5304 VX8205 EC86 ECC88 Bee E184CC ECC186 7316 62BTA 18046 Code Type C5 E288CC 8223 C6 ECC808 C7 EC900 C8 PCF801 8GJ7 C9 XCF802 C+ LCF802 6LX8 DB DC DD DE DF DH DI DJ DL DM DP DR DS DT DU DV DZ Dd Df Dk Dm Dr Dt D2 D+ VX8252 LCF86 5HG8 38A6 6BZ6 6DE6 12AL5 EL36 6CM5 PCC88 7DJ8 PY300 ECF801 6GJ7 PC900 4HA5 QV10-P8 7453 3BE6 3DE6 75C1 EN33 PCF84 also PB-1 6201 PF86 402 3AL5 3CB6 3BZ6 LL500 18GB5 80 80 DL93 3A4 DL94 an dev Comment

also YL1000 M5EL M6EL

BN BP BR BS

EB EC ED

BT

M2EL 38EL BU XL84 BW XCC189 Code Type Comment EH 1805 EI VP4B EJ VX8179 EK EB41 EL EC37 EM ECC31 EN ECC32 EP EF37A ER EF91 6AM6 ES 1883 ET EL35 EU EZ35 EV OA3 CV3798 EW FW4-500 EX PM24M EY PF183 EZ 4614 Ed SP13 Ef VX8194 Ek SP13C Em AZ11 Er 1A7GT Et FC13 E0 4633 E1 DAC32 E2 4618 E3 UY21 E4 4654 E5 AL1 E6 5Z4 E8 6A8G E9 6J7 E+ 47673 FA FB FC FD FE FF FG FH FI 4682 4683 DL35 1C5GT 4688 4689 6A8 VX8114 6K7 60EH5

E81L 6686 C4 V1ELL ELL80 Code Type FV PL3C23 FW 25Z5 FX 25C5 FZ ABC1 Fd ABL1 Ff 7AU7 Fk EA70 Fm AD1 Fr AF2 Ft AF3 F0 AF7 F1 43 F2 AK2 F4 AL2 F5 AL4 F6 DF91 1T4 F7 50L6GT F8 AZ1 F9 7B F+ AZ4 GA GB GC GD GE GF GG GH GI GJ GK GM GN GP GR GS GT GU GW GX GZ

C3

Comment

dev dev

3V4 CV2983 EE DW2 EF 1561 Code Type G3 EBF89 6DC8 G4 EA52 G5 EA52 6923 G6 6D4 G+ V2ECC

Comment

dev

HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HP HR HS HT HU HV HW HX HY HZ Hd Hf Hk Hm Hr Ht H0

C tech C tech

ECC88 UM84 VX8167 QV9-P10 EH90 6CS6 CV131+ VX8116 CV133+ PC95 4ER5 EL81F CV136+ also GL EM81 6DA5 CV138+ CV140+ CV417+ CV465+ CV466+ CV467+ CV468+ CV469+ CV2129+

DF33 AZ12 AZ31 AZ41 95104 41 DK33 VX8141 CBL1 XC95 EF97 6ES6 CBL31 ECH41 UM5 UL43 UCH41 CL4 GZ40 CL33 CY1 CBC1 CY2 also CY31 60FX5 CK1 ECL80 6AB8 E83CC 6681 EF92 6CQ6 EL38 DF21 DF22 5ECC

dev

old

dev dev EL521

(M)

dev

FJ FK FL FM FN FP FR FU Code H+ IA IB IC ID

HCH80 4699.5 6J8G 6F6G 6F6 6V6G 6V6GT 18040 Type DL41

etc

Comment

ORP20PW ORP20 ECF83 E182CC 7119 also 5876 IF PC93 IG 6205 CV2432 IH 185BT II EL360 IJ VX8240 also used for Hamburg PM84 till 3.8.58 IK PZ36 IL 6286 IM 27SU IN ORP90 IP PCC189 IR TY86F IS GZ37 CV378 IT 6BJ8 IU VX8227 IV E180CC 7062 IW E181CC IX ECC189 IY PM84 NOTE: IJ IZ EF6N Id 95398 Im PF83 It PY180 I0 ORP11 I1 6211 I2 ORP10 I3 PC92 I4 EF183 I5 EY180 I6 ECC83 12AX7 I7 XCF80

ECC82 12AU7 Gk UCH5 Gm VX8140 Gr EC52 G0 EBL31 G1 PCF82 G2 EC57 Code Type JF CBL6 JG EA50 2B35 JH ECF1 JP EL30 JU LCF80 6LN8 JZ TH2 Jd UCC85 Jf ECF806 J7 4069 ME1404 J8 3DT6 J9 V3ECH J+ LCL84 10DX8 KA KB KC KD KE KE2 KF KH KI KJ KK KL KM KN KP KS KT KU KV KW KX DL71 DLL21 DF35 E1C EL34 EL34 DC89 E424N A4110 M8144 CV4033 EF98 6ET6 DAC21 E443H E447 EC81 EA40 EA51 EAF41 EB34 CBC1 EB40 EY51 6X2

Gf

Comment

H2 H3 H4 H5 H6 H7 H8 H9 Code K3 K4 K5 K6 K7 K8 K9 K+ LA LB

DF70 CF50 DK21 EL44 DK40 DL21 Z701U DL40 Type EBF11 EBF32 EBF35 EBL1 EBL21 EBF840 EC40 EC41 DK32 1A7GT EC81 6R4 ECC40 UY11 ECH3 ECH4 VX8206 4671 UBF89 19FL8 EFF51 ECH11 ECH21 ECH33 DA90 1A3 ECH35 ECH41 ECH80 6AN7 ECL11 TDD4 DC79 EF93 6BA6 EEP1 EF6 EW60 ECL83 EZ2 EL91

Comment

LC LD LE LF LG also DLL31 LH LI old new LK LL LM LN LP LR LS LT LU LV LW LX LY LZ Ld Lf Lk Lm

Mullard

(M)

I8 I9 I+ JA JB

XCH81 XF80 7025

HCC85 EF184 6EJ6 JC ORP31 JD PL500 27GB5 JE PC88 4DL4 Code Type L8 EF39 L9 EF40 also L+ EF41 6CJ5 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MP MR MS MT MU MV MW MX MY MZ Md Mf Mk Mm Mr EF42 EF50 EF51 EF100 DL65 EFM1 VX8207 EFM11 EL86 6CW5 EBF83 6DR5 DL21S EFP20 EFP60 EK2 EK32 EL2 EL3N EBF80 UB41 TDD13 EL6 EL11 EL12 EL20 EL81 6CJ6 PCF82 PL38 GZ30 KB2

Comment

CV2031

en

new

EBC3 EBC33 EM1 PL83 EM4 EQ80 6BE7 Km EM34 6CD7 K0 EBF2 K1 PCC809 K2 EZ41 Code Type NA PL83 NB KF3 NC KK2 ND KL4 NE AZ50 NF UAF41 NG 5651 NH UAF42 12S7 NJ ECH83 6DS8 NK UL41 45A5 NL UBF11 NM UBL1 NN UCH41 NP UBL21 NR UCH4 also D3A NS UCH11 NT UCH21 NU UCH42 14K7 NV TDD13C NW UAF100 NX UCH100 NY UCL11 NZ UF9 Nd UF9 Nk PY80 Nm UF41 12AC5 Nr UF100 Nt UY2 N0 UL100 N1 UM4 N2 UY1N N3 UF21

KY KZ Kd Kf Kk Kl

Bee

Comment en

min

6AM5 EZ4 EF80 6BX6 L0 EF80 L1 EF93 L2 E1F L3 DF65 L4 EF11 L5 EF12 L6 EF22 L7 EF36 Code Type PF UF10 PG 6007 PH Aa PK Ba PL Bas PM Ca PN Cas PP Ce PR Ce PS Ed PT E2c PU E2d PV EY88 6AL3 PW C3b PX C3e PY 5Y3GT PZ E452T Pd EL6 Pk EL12 Pm EL12 Pr EM4 Pt UM4 P0 UM4 P1 UL44 P2 EL43 P3 EBC41 6CV7 P5 EL43 P6 UL44 P7 4654K P8 UBL3 P9 UCH5 P+ ABC1 Lr Lt RA RB RC AF2 AL5 EL5

Comment

400V 325V 375V 100V 165V 200V

en

Mt M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 M+

KBC1 EL32 EL33 EBC80 6BD7 EL39 EL41 6CK5 EL42 95105 EL42 EL8 EL51 EL60 EL80

N4 N5 N6 N7 N8 N9 N+ PA

EL41 UY41 UY100 UY42 VCL11 CF2 VY2

en

RD RE RF RG RH RI RK RL RM RN

en

Code Type Comment RP DK91 1R5 RR EAF42 6CT7 RS EAF80 RT EL21 RU ECC35 RV EF55 RW ECC91 6J6 RX CCH35 RY EC91 6AQ4 RZ EF54 Rd EF55 Rf VX8196C 6AS6W Rk EL22 Rm EZ22 Rr FW4-800 R0 CY32 R1 DL33 3Q5GT R2 EAC91 M8097 CV4059 R3 EB91 R4 EC53 R5 DL70 R6 EL37 R7 GZ32 5AQ4 R8 EL44 R9 E446 (O)

DL92 3S4 PB DL72 PC ECH42 6CU7 PD EL61 PE PY80 19X3 Code Type SR EZ40 SS 4060 ST EF41 SU UBF80 SV 18300 SW 18042 SX PL81 21A6 SY EL34 6CA7 SZ EF80 Sd UCC40 Sf Z502S Sk UF6 Sm EC56 Sr DCC90 3A5 S0 EL81 S1 CF7 S2 EAF801 S3 L416D S4 506 S5 EY50 S6 4684 S7 4688 S8 CF3 S9 Cf S+ Bh TA TB TC TD TE UY3 1832 UBC41 UF5 DF96

VCL11 VY2 X13 M1EL EL131 UF42 E130L 7534 UBC41 14L7 C443 DAF91 1S5 DF92 1L4 Type XL86 TD03-10B 3AT6 PL82 16A5 KK32 DF74 EL83 DF67 DL67 E83F UCH81 Comment

Comment old Bee en en

Code Tm Tr T0 T1 T2 T3 T4 T7 T8 T9 T+ UA UB UD UE UF UH UI

Mullard en

en min

UJ UK UL UM UN UP US UT UU

Bee

UL41 Bee L413S A4110 DL96 3C4 DL67/5 EF43 5718 CV3930 also EL802 37EL UF43 3AV6 6BQ6GBT 6CU6 LC900 3HA5 EF81 DL67/65 UQ80 EAF42 Bee

R+ SA SB SC SD SE SF SG SH SI

CV273

EC80 en EZ80 UL2 DAF40 EL45 AZ41 Bee 5V4G ECH42 Bee EL95 6DL5 SJ CV4109 SK DAF41 with add F, DAF40 SL EL41 Bee SM UY4 SN EBC41 Bee SP DC80 6DC Code Type Comment U5 E446 (E) U6 6SA7GT U7 6SK7GT U8 6SQ7GT U9 35Z5GT U+ UY41 Bee VA VB VC VD VE VF VG VH VI VJ VK VL VM VN 18042 6086 E80CC 6085 E80F 6084 E80L 6227 E83F 6689 ECC81 12AT7 E81CC 6201 EC92 UC92 ECC89 6CF7 5842 417A E94CC ORP92 PC96

new new

1AJ4 XCF801 DAF96 1AH5 TJ LCF801 5GJ7 TK UCH42 Bee TM UY42 Bee TP UAF42 Bee TR UCH81 19D8 TT AY1 TU EL50 TV AZ2 TY Z805U TZ UF41 Bee Td EY80 min Tf XF85 Tk ECC81 12AT7 Code Type Comment WH 9U8 also EL803S WI 5840 WJ 5836 WK E80CC Bee WL CV4084 WM E80F Bee WN 25L6GT WP E80L Bee WR UM34 WS ECL86 6GW8 also CV4011 WU C3JQA WV DW4-350 WW 18042 Bee WX EL83 Wd EF94 6AU6 WF E83F Bee Wk CV4098 Wm PY82 19Y3 Wr Wr EBF81 min Wt DK92 1AC6 W0 EBF81 W1 PCL86 14GW8 TG TH

AZ32 12SK7GT DK96 1AB6 UZ E447 (E) Ud 12SQ7GT Uf QQE03/12 Bee Uk 12SA6GT Um E90CC 5920 CV5214 Ur LC95 3ER5 Ut QQE02/5 Bee U0 DY30 1B3GT U1 XC900 U2 AC2 U3 EL520 U4 DF67/5 Code Type Comment XN 95106 XR PY800A XT E235L XV DW4-350 Xf EL34 bant Xr E84L 7320 Xt PL2D21 X0 XF184 X1 XF183 X2 ECC186 (L) X3 5672 DL620 X4 EL300 X5 PL300 X6 6CY5 X7 EL502 X9 E9Z dev X+ EL504 6GB5A YC DM70 1M3 DM71 ECH81 6AJ8 EC56 EF80 ECF200 6X9

UV UW UX

YD YE YF YG

en

VP VR VS VT VU VV VW VX VY VZ WA WB WC WD

95124 E188CC 7308 EM84 6FG6 XCC82 7AU7 PCF86 PL136 35FV5 EL183 PCL85 18GV8 UY89 6AN7A

W2 W5 W6 W7 W8 W9 XA XB

XR1-1600A E182F ECC2000 VX8195C 18046 Bee PFL200

YH YI YJ YK YL YM YN YP YR YS YT YV YX YY YZ Yd Ym Yr Code d4 d5 d6 d7 d8 d9 d+

VALVO PCL805

PM22A 6BD7 min 6BH5 min 6M5 min also EF800 WE PY32 bant WF ORP50 WG M3EFP Code Type Comment Yt EC97 6FY5 Y0 PY81 17Z3 Y2 EC81 Y3 EF85 6BY7 Y4.0 EABC80 min Y4.1 EABC80 en Y5 VY1 Y6 6BU8 Y7 EFL200 6Y9 Y8 ECH81 en Y9 EC80 6Q4 Y+ PL57 ZA ZB ZC ZD ZE ZF 6DT6 12FK6 UL41 Bee Ag plated pins 12AD6 E80T 6218 PL81B

401 XY88 16AQ3 XC CV468 Ultra XD CV4086 XE M6EF XF 12DJ8 XG GZ41 XH PCH200 9V9 XI 5899 CV477 XJ 5644 XK PCF200 8X9 XL PCF201 8U9 Code Type Comment Z3 LCLF201 5U9 Z4 XCF200 Z5 XCF201 Z6 PY801 Z7 ZP1080 Z8 ZP1081 Z9 4067 Z+ 6111 dA dB dC dD dE dF dG dH dJ dK dL 6112 7895 PL6574 DY86 1S2 6CG7 LCH200 5V9 12X4 LL86 10CW5 PCL84 15DQ8 LL521 GY501 3BH2

ECL80 DF60 5878 CV1868 ECC81 12AT7 PL81 PL82 PY80 PY82 ECH200 6V9 E186F 7737 XCL84 DY87 18502 EZ90 EBC90 6AT6 EK90 DL22N E81L

en

en en en

Bee

Type Comment M13PL M6DY GY86 PY81 en UABC80 en UCH81 en also EL803 UF80 en also YL1080 YL1081 LA4-250 LB4-2 MX124/01 MX133 EL505 6GK6 TD1-100A N22LL 19KF6 ECL82 Bee also EF802 EL83 Bee also ECC801S PL84 Bee UCL82 Bee

DY87 1S2A

fA fB fC fD fE fG fJ fK fL fM fN

HL90 12AQ5 ZH ECL85 6GV8 ZI EF71 rel ZJ CV3986 6021 ZK 6AD6 ZL 6BL6 ZM 6J8 ZN 12BL6 ZP 12J8 ZX LFL200 11Y9 ZV VX8222C ZY LY88 ZZ 4068 Zd 5719 Zf EF40 Bee Zk 5749 6BA6W Zm 6005 6AQ5W Zr 6080WA Zt ECF201 6U9 Z2 LCF200 5X9 Code Type Comment f7 EY500 6EC4 f8 24DF f9 ECC83 low microf. also CV4110 f+ m10PL kA kB kC kD UF85 also CV4111 EZ80 en new EZ80 6V4 EZ40 6BT4 CV3891 GZ40 UM81 EM87 6HU6 EL84 6BQ5 DY51

ZG

kE kG kI kM kN

XL521 LCL85 10GV8 dP CV287 dR YL1220 dS 6AU6WB dU PL435 dV LCC189 also 5ES8 PL5822Du dW PL522 dX EF5000 dY CV4108 dZ V6ECC dd PD500 9ED4 df PY500 42EC4 dk PL505 40GK6 dm V7PCL dr CV2901 dt LCL86 d0 M8EC d1 EA53 d2 EL136 6FV5 d3 E810F 7788 Code Type Comment mH 12AU7S mI CV4039 M8096 mJ EF89 Bee mK AB2 0 mN GZ34 mP UF85 min mR UCH81 en mS EF80 Bee mT UABC80 en mU EL83 6CK6 mV CV1672 mW PL83 14A6 also CV359 mX E82CC mY G5S6 md UF80 mk UF85 mm EF85 en mr E280F

dM dN

fP fR fS fT fU fV fW fX fY fZ fd ff fk fm fr ft f0 f1 f2 f3 f4 f5

UF86 QQE02/05 Bee QQV02-6 N22PL N22XL M6ECC LSD2 Z303C E35CC EM84 EC71 EF732 CV2281 EF731 5609 5U8 12BY7A LY81 11R3 5609V VX8234 GZ34 bant CV1377 ECL84 6DX8 M7EC EC98

Code Type Comment rU HF93 12BA6 rV E181CC Bee rW EL85 6BN5 rX EL84 min rY 4699N rZ 6BK4 rd EM85 rk XL505 rm LL505 rr CV2031 rt PCC84 7AN7 r0 4646 r1 DF64 r2 DL64 r3 1AX2 r4 5814A r5 12AT7WB r7 PCF80 9A8

kP kR kU kV kW kZ kd kk km kr kt k0 k1 k3 k4 k5 k6 k7 k8 k9 mA mC mD mE mF mG Code td tf tm tr tt t1 t2 t3 t4 t5 t6 t7 t8 t9 t+

1BG2 E3LL dev ECF86 6HG8 HN309 EY87 1S4 5R4GYS ECH84 6JX8 EAM86 6GX8 XCL86 DF61N M4ECC XF86 also N7ELL TS65 D12L D20F XCL85 ECC82 XC97 CV4517 PY800 PABC80 ECC83 6AM6S CV302 CV303 UCL83 Type 6A8GT LA4-2 VX8168 EF804 EL81 PL81 PL508 PL504 N22EL V7PL PL802 V10PL UL84 EL508 6KW6 6BK4A Z500T Z501T

mt m0 m1 m2 m3 m4 m5 m6 m7 m8 m9 m+ rA rB rC rD

EZ40 EZ80 PY80 EY80 6U3 PY83 EABC80 6AK8 E283CC ECH81 UCH81 EC8010 ECC84 ECC809

Bee new Bee

r8 r9 r+ tA tB tC tD

EM80 6SN7GT ED500

Bee

Bee Bee

EF804S 95107 DC80 PABC80 9AK8 rE UABC80 rF EF805S rG K81A rH QQE03/12 Bee rI ME1403 rJ UF89 Bee en rN DY86 DY87 rS GZ33 Eindhofen not finished GZ34 Eindhofen not finished rT E180F 6688 Comment Code Type Comment 0+ UBC81 1C 1D Bee Bee 1E 1F 04DL dev CV4011 also 03DF dev DF62 DAF92 1U5 CV3912 UCL82 50BM8 CV4009 PL81F DL69 AN1 EBF82 EL821 6CH6

1G 1J 1V 1W 1Y 1f 1k

N23PL EL503 UY85 EY86 EY87 tE EF86 tF E99F 7694 tI VX8163 tJ PL82 tK 4694 tL M5DY tM PC86 4CM4 tN ECC86 tP UCC85 tR EF89 6DA6 tS PCL81 tT M11EL EL5070 tU ECC85 tV GZ34 tW 4373 tX 18046 tY EBC81 tZ PCC85 9AQ8 Code Type 2P LSD3 2R LSD3A 2S LSD5 2T LSD7 2U LSD8 2V XCL82 2W LSD24 2Y ME1401 4065 2Z ME1402 4066 2d GY802 2f EL86 2k PCF810 2m 3A3 2r PL521 2t 5837A 23 MX108

6S2 6S2A Bee

Bee

en Bee

Comment

Bee

0B 0C OD

LY500 PL5822 ECC180 6CQ7A 0E PL57K 0F YL1080 YL1081 0G ECL82 6BM8 0H EBC81 6BD7A 0I EY7rel 0J CV4005 0K 12SN7GT 0N 18015 0P PCC89 7EF7 0S KT66 0Z EC83.1 0d LL504 0f DM160 6977 0k UM80 19BR5 0m UF89 0r XL504 0t N55RPY 02 EY81 6R3 06 N54RPY 07 UY85 Bee 08 PL95 09 E95F 5454 6AK5W Code Type Comment 3r HY90 35W4 3t HL92 50C5 30 E92CC 31 EC92 32 UC92 9AB4 33 EAA91 EB91 6AL5 34 DK93 35 K50A 38 6BZ6

1m 1r 1t 10 11 12 13 14 15 16 17 18 19 1+

CV2507 DC70 DF66 DF72 DL66 DL68 DL95 3Q4 DL73 DL75 DL98 3B4 DY80 EA76 6489 EC70 EC90 6C4

24 25 27 28 29 2+ 3B 3E 3F 3G 3H 3I 3J 3K 3L 3M 3N 3P 3V 3U 3X 3Y 3Z 3d 3f 3k 3m Comment Code 6T 6U 6W 6X 6Y 6Z 6f 6r 60 62 63

MX118 MX119 11AF9 PCL83 XY500 XL508 TDD3-5 Z300T Z800U E82M Z801U UF81 CV4019 Z900T E91H 6687 6C86 EL90 6AQ5 85A2 Z70U EBC91 6AV6 150C2 HBC90 12AT6 HF94 12AU6 HBC91 12AV6 PCL82 HK90 12BE6 DC90

EF70 EF71 EF72 EF73 EF95 6AK5 2F EL70 2G EY802 2H EN32 PL6574 2I UABC80 2J CV4012 2K EN70 5643 2L EY70 2M EY91 2N DAF70 Code Type 5F CV1863 5H 5Z4GT CV2748 5I 50EH5 5K ECC33 5L ECC34 5M EF37 5N EL33A 5R EL820 5S EY84 6374 5T IW4-350 5U ME1400 5V CV4050

2A 2B 2C 2D 2E

Bee

Type Comment E180CC Bee Z50T M8097 CV2742 CV4015 M8161 CV4031 M8081 EZ36 11EZ EL811 VX8124 VX8182 VX8136C

39 3+ 4A 4E 4F 4G 4I 4J 4M 4N 4P 4R 4S 4U 4W 4X

ECF80 6BL8 UCC84 EF74 CV521 LL508 EF83 UCH80 CV5029 MX112 MX115 CV2246 EBF80 EY82 6N3 EC93 HL94 30A5 ECF82 6U8 CV5065 100117 PY81 Bee K51A EM71 6283A PL36 2.50E+06 UY92 UL44 EB4 PL38M 2A CCH3 CV9 XY81 ECH81 QE04/10 Type Comment 12J7GT 12K7G 12K7GT 12K8G 12K8GT 12Q7G CV4034 12Q7GT E81L en 12SJ7GT

5W 5X 5Y 5Z 5d 5f 5k 5m 5r 5t 51 52 53 54 55 56 57

59 5+

4d 4f 4k 4r 4t 43 44 45 47 48 49 4+ 5A 5C 5D 5E Code 8A 8B 8C 8D 8E 8F 8G 8H 8I 8K

PEN-A4 PEN36C PL33 PL820 PY31 UL84 Bee PZ30 UCF80 UL46 UR1C 18512 UBF80 17C8 HCH83 en 01DAF 75B1 95A1 DM71 1N3 also EL802 CV4010 M8100 CV4014 M8083

64 65 66 67 68 69

6+ 7B 7D 7E

VX8137C CV4004 VX8162C EL85 min 4383 55395 E91AA 5726 6AL5 EL180

CV4025 M8079 6B 7247 6C DCF60 6D DF61 6E DF63 6H ME1201AG 6J Z303C 6K MX103 6L MX120 6M MX122 6N MX123 6P MX124 6R MX125 6S MX125 Code Type Comment 90 ET51 92 CV2469 93 CV2469 97 QQV04-16 99 MX152 *C *T *U Z70U Z700U Z521M Z522M

6A

6SJ7GT R199899 PCL82 16A8 7F DF97 1AN5 7H DC96 7J M8163 7L E88CC 6922 7M 17ECC dev 7R 5X4G 7S 5Z4G 7T 5Z4GT 7U 6BG6G 7W 6J7G 7X 6J7GT 7Y 6K7G 7Z 6K7GT 7d 6K8G 7f M2EC 7k 6K8GT 7m 6Q7G 7r 6Q7GT 7t 12J7G 70 3AU6 71 39EF 76 5876A 7+ 18503 Code Type Comment

8L 8M 8P 8R 8S 8U 8W

8Y 8Z 8d 8f 8k 8m 8r 8t 88 9A 9B 9C 6D 9E 9F 9G 9J 9K 9L 9N 9P 9R 9S 9V 9Z 9k 9m 9r 9t

19BG6G 25Y5G 25Z6G CV4007 35Z4G CV2204 C3m CV5232 R20F EF86 6267 PY32 CCH3 E90F 7693 PY88 30AE3 OCC38 95108 EZ81 6CA4 5893A 5Z3 6AS5 6A7 6C5GT 6F6GT 6J5GT 6AS6 VX8084 6L6GA 6X5 42 PP35 PP36 PP60 5840 CV3929 Z550E UY82 EL41A EF86 PY83

C

Z70U

Mullard

tech en

Philips / Amperex / Mullard / Valvo three digit codes

Code AAA AAB AAC Type PL509 LL802 ECF80A 6GH6A Comment Code ACF ACG ACH ACK Type EL521 EL802 EL503 EL803S Comment Code Type Comment

AAD EL509 6KG6A AAE LL509 AAF XL509 AAG N30EL 6LF6 AAH 10KG6 AAK 6HT5 AAL VC9620 AAM 3HQ5 AAN 6HQ5 AAP ECF202 6AJ9 AAR PCL805 AAS 27LF6 AAT 7586 AAU 5893 AAV 6263 AAW 6264 AAX 5676 AAY 5687 AAZ 5751 ABA ABB ABC ABD ABE ABG ABK ABL ABM ABP ABR ABS ABT ABU ABV ABW ABY ABZ ACB ACC ACD ACE 7587 5085 1817 N1EFL 8AF9 5963 6264A 5642 12BY7 12AT5 5R4GY ECC8100 12AU7WA 6189 EL805 ECL805 LD500 XD500 CV4110 CV4111 DW4-500 EF800 EF802 6CF6

ACL P81 ACM D3a 7721 CAN 5876 ACR 6FQ7 ACS 12AD6A ACT 12BX6 ACU 25AV5GA ACV 20LF6 ACW XCF80A ACY 8AF9 ACZ ECC801S S&H ADA 40LF6 7984 ADB CV6189 ADC PY500A ADD EY500A ADE LY500A ADF XY500A ADG EL91N ADH 15GK6 ADK N25PC ADR N20PL ADS PCF808 ADU 6LV6 AEA 16AF9

MCH CV6189 MCT PL95 MER MES MET MEU MEW MEX MFC MFD MFF MFZ TH2 YL1220 ZP1080 ZP1081 K81A N54RPY 6D4 CV287 N55RPY CV359

MGC VX8250 MGF VX8252

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