COMPONENTS AVAILABLE IN WEL- 4 FOR EDL
Sr. No	Item	Description	Qty
	Microcontrollers
1	89C51	8 Bit, µC, 4k ROM, 128Bytes RAM, 2 Timers(40 pin)	80
2	89C52	8 Bit, µC, 8k ROM, 256Bytes RAM, 3 Timers(40 pin)	200
3	89C2051	8 Bit, µC, 2k ROM, 128Bytes RAM, 2 Timers(20 pin)	160
4	89C4051	8 Bit, µC, 4k EPROM, 128Bytes RAM, 2 Timers(20 pin)	15
5	89S52	8 Bit µC, 256X8-bit RAM,3 16-bit Timer/Counters,(40Pin)	10
6	89S8252	8 Bit µC, with 8Kbytes Flash (40 pin)	0
7	ATMEGA16L	8 Bit AVR µC, 512 Bytes EEPROM, 1Kbytes SRAM (40 Pin)	20
8	ATMEGA32L	8 Bit AVR µC, 1024 Bytes EEPROM, 2Kbytes SRAM (40 Pin)	30
	ADC/DACs
9	ADC/ICL7125	4 1/2 digit, BCD output A/D converter	4
10	ADC0804	CMOS 8Bit ADC	15
11	ADC0808	8Bit ADC	15
12	ADC0809	8 Bit, 8 Channel ADC	15
13	DAC0800	8 Bit DAC	50
14	DAC0808	8-bit monolithic digital-to-analog converter	40
	Crystals
15	32.768KHz	32.768KHz Crystal	30
16	3.579545MHz	3.579545MHz Crystal	20
17	3.58MHz	3.58MHz (Telephone crystal)	25
18	4MHz	4MHz Crystal	20
19	8MHz	8MHz Crystal	15
20	10MHz	10MHz Crystal	25
21	11.0592MHz	11.0592MHz Crystal	100
22	12MHz	12MHz Crystal	180
23	13.560MHz	13.560MHz Crystal	5
24	16MHz	16MHz Crystal	20
25	20MHz	20MHz Crystal	15
26	24MHz	24MHz Crystal	35
	EEPROM
27	24C02	Serial 2k (256X8) EEPROM	5
28	24C08	1024x8(8k) serial CMOS EEPROM	5
29	24C16	16K serial EEPROM	3
30	24C64	64K serial EEPROM	2
31	28C16	64K bit (8K X8) parallel EEPROM	5
	Regulators
32	LM7805	3 Terminal regulator + 5V	100
33	LM78L05	3 Terminal 5V 100mA	30
34	LM7806	3 Terminal regulator + 6V	45
35	LM7812	3 Terminal regulator + 12V	80
36	LM7815	3 Terminal regulator + 15V	100
37	LM7905	3 Terminal regulator - 5V	150
38	LM79L05	3 Terminal - 5V 100mA	40
39	LM7906	3 Terminal regulator - 6V	40
40	LM7912	3 Terminal regulator - 12V	100
41	LM7915	3 Terminal regulator - 15V	60
	Linear
42	LM 310	Voltage follower	20
43	LM 311	Comparator	80
44	LM317	3-Terminal Adjustable Regulators	60
45	LM318	High Speed Op-Amp	25
46	LM 319	High speed dual comparator	30
47	LM324	Quad low power Op-Amp	150
48	LM331	V to F converter	20
49	LM335	Precision Temperature sensor	25
50	LM336	2.5 V reference diode	25
51	LM337	3 Terminal adjustable -ve regulator	22
52	LM339	Low power Low offset Quad Comp.	50
53	LF 347	Quad JFET Wide bandwidth OA	160
54	LF351	BI-FET Operational Amplifier	22
55	KF353	Dual JFET Op-Amp,8 Pins	40
56	LF355	JFET Operational Amplifier 0.5V/uS	4
57	LF356	JFET Operational Amplifier (8 Pin)	40
58	LF357	High speed JFET input OA(8 Pin)	40
59	LM358	Dual OP-Amp 3-18Volts, 8-Pins	60
60	LM380	Audio Power Amplifier 10W	50
61	LM386	Low voltage audio power amp. 4-12 V	30
62	LM393	Low power dual voltage comparator	20
63	LF398	Sample and hold amplifier	30
64	LM399	Precision reference 6.9V	25
65	LF411	Low offset, low drift JFET I/P Op-Amp	7
66	LF412	Dual JFET-input Op-Amp	45
67	LF442	Dual low power JFET input Op-Amp	50
68	LF444	Quad low power JFET input Op-Amp	60
69	LM555	Timer	150
70	LM556	Dual Timer	70
71	LM723	Voltage Regulator	20
72	LM733	2-Stage, Diff I/p, Diff O/P, Wide-band video Amplifier.	14
73	LM/UA741	General purpose OP-AMP	150
74	LM/UA747	Dual general purpose Op-Amp	80
75	LM748	Op-Amp with external HF Compensation	20
76	MC1455	Timer	20
77	MC1488	Quad line driver	10
78	MC1489	Quad line receiver	13
79	CA3040	Video And Wide-band Ampr	3
80	CA3046	NPN Transistor Array DC-120 MHz	56
81	CA3086	Transistor array- DC to 120MHz	50
82	CA3100	Wideband OP AMP Unity gain 38MHz	25
83	CA3140	Bi-mos OP AMP MOSFET input	25
84	SG3524	Regulating PWM, Oscillator frequency 300KHz (max)	30
85	KA3525AN	SMPS controller	20
86	TDA7056B	5W mono BTL amplifier with DC volume control	25
87	TDA 8551	1w BTL (Bridge Tide Load) Audio ampr. With digital volume	20
88	OP07	Ultra Low offset Voltage OP AMP 3V to 18V	100
89	OP27	Low noise precision OP AMP 8MHz 2.8V/uS	50
90	OP37	Low noise precision high speed OP AMP 63MHz 17V/µS	70
91	TL071	Low noise JFET input OP AMP 13V/µS with offset adj.	65
92	TL072	Dual Low noise JFET input without offset adj.	60
93	TL074	Quad Low noise JFET input without offset adj.	20
94	TLO81	JFET Input Op-Amp	30
95	TL082	Dual low power consumption JFET input OP AMP 13V/µS	50
96	TL084	Quad low power consumption JFET input OP AMP 13V/µS	150
97	TC7660	+5V to+/-5V Charge pump DC to DC voltage converter	20
	Digital
98	74LS00	Quad 2-Input NAND gate	100
99	74C00	Quad NAND CMOS	60
100	7402	Quad 2-Input NOR gate	40
101	74LS04	HEX Inverting gates	70
102	74C04	Hex INV CMOS	20
103	7405	HEX Inverter	30
104	7406	HEX Inverter Buffer/Driver with high voltage output	10
105	74LS08	Quad 2-Input AND gates	85
106	7409	Quad 2-input open-collector AND gates.	20
107	74LS10	Triple 3-Input NAND GATES	8
108	7411	Triple 3-Input AND gate	15
109	7414	HEX inverter with Schmitt trigger inputs	20
110	74C14	Schmitt Trigger Hex INV CMOS	20
111	7420	Dual 4-Input NAND gate	10
112	74LS21	Dual 4-Input AND gate	10
113	7430	8-Input NAND gate	25
114	74LS32	Quad OR	80
115	7437	Quad 2-Input NAND buffer	30
116	74LS47	BCD TO 7seg Decoders	90
117	74LS74	Dual D FF with PRESET and CLEAR	70
118	74LS90	BCD counter	100
119	7491	8 Bit shift Register	35
120	7493	Sync. 4Bit Binary U/D Ctrs.	90
121	74LS93	Binary counter	150
122	74LS121	Mono stable	100
123	74LS123	Retriggerable Monostable Multivibrator	20
124	74133	13 Input NAND gate	15
125	74LS138	3-8 decoder	75
126	74150	1 of 16 data selector/Mux	20
127	74LS157	Quad 2line to 1 line data selector	40
128	74LS164	8 Bit Parallel out-serial S-R	40
129	74LS165	Parallel load 8 Bit S-R	32
130	74166	8 Bit SR Parallel load	25
131	74180	9 Bit odd-even Parity gen/check	20
132	74182	Look Ahead Carrey Generators	20
133	74185	binary to BCD converter	10
134	74190	BCD U/D counters	40
135	74191	Binary U/D counter	30
136	74192	Sync. 4Bit U/D Counter BCD	25
137	74LS193	Binary Up/Down Counter with Clear	25
138	74195	4Bit parallel access SR	25
139	74221	Dual Monostable with Schmitt input	80
140	74243	Quad Bus Transceiver NI	50
141	74LS244	Octal tri-state buffers	80
142	74HC244	Octal 3-State Non-Inv Buffers & line drivers	15
143	74HCT244	Octal buffer /line driver, 3-state	10
144	74HC245	Octal Bus Transceiver with 3 state output	8
145	74LS245	Octal Tx/Rx for 8-line async,2-way data communication	90
146	74LS257	3-STATE Quad 2-Data Selectors/Multiplexers	8
147	74LS279	Quad S-R Latch	25
148	74LS283	4-Bit binary adders with Fast carry	06
149	74LS322	8-BIT SHIFT REGISTERS WITH SIGN EXTEND	09
150	74367	2/4-bit 3-state non-inverting buffer/line driver	04
151	74LS368	HEX bus drovers with 3-state output	18
152	74373	Octal D-Type Flip-Flop with 3-state output	60
153	74LS374	Octal D F/F Edge-triggered Tri-State	25
154	74LS377	Octal D-type Flip-Flop with common Enable and clock	03
155	74393	Dual Asy. Binary 4Bit up counters	20
156	74LS573	Octal D-Type Latch with 3-STATE Outputs	22
157	74HC573	Octal D-type F/F Latch Tri-State	40
158	CD4000	Dual 3 input NOR + INV	100
159	CD4001	Quad 2 input NOR	80
160	CD4002	Dual 4 input NOR	30
161	CD4007	Dual Compl. Pair + INV	100
162	CD4010	HEX buffer non-inverting	15
163	CD4011	CMOS NAND gates	80
164	CD4012	Dual 4-In NAND gate	35
165	CD4014	8-Static Shift Register	10
166	CD4016	Quad Bilateral switch	45
167	CD/HEF4017	Hex D-Type Flip-Flop Quad D-Type Flip-Flop	15
168	CD4018	CMOS LOOK-AHEAD carry	25
169	CD/HEF4019	Quad AND -OR select Gate	20
170	CD/HEF4020	14-Bit Binary Counter	30
171	CD4021	CMOS 8-Stage static shift register	25
172	CD4026	D-Flip-Flop 4-fach DIP16	10
173	CD4046	Micropower PLL	40
174	CD4050	Hex Non INV Buffer	30
175	CD4051	8 ch. Analog Mux/ Demux	40
176	CD4052	Dual 4 ch. Analog Mux/Demux	40
177	CD4060	14 Stage ripple counter Binary	35
178	CD4063	CMOS 4-Bit Magnitude Comparator	5
179	CD4066	Quad bilateral Switches	120
180	GD4067	Single-Ended Analog Multiplexer	25
181	GD4069	HEX Inverter	40
182	CD4071	QUAD 2 - INPUT OR GATE	10
183	4072	DUAL 4 - INPUT OR GAT	20
184	4075	TRIPLE  3 - INPUT OR GATE	10
185	4081	QUAD 2 - INPUT AND GATE	30
186	4082	DUAL 4 - INPUT AND GATE	4
187	4093	QUAD 2 - INPUT NAND SCHMITT TRIGGER	25
188	4098	DUAL MONOSTABLE MULTIVIBRATOR	8
189	4510	PRESETTABLE UP / DOWN COUNTER	24
190	4511	BCD TO 7-SEG. LATCH / DECODER / DRIVER	10
191	4515	4 - BIT LATCH / 4 -TO-16 LINE DECODER	5
192	4516	PRESETTABLE UP / DOWN COUNTER	10
193	SCL4518	DUAL BCD UP - COUNTER	10
194	MM/MC4520B	DUAL BINARY UP - COUNTER	10
195	4528	DUAL MONOSTABLE MULTIVIBRATOR	15
196	CD40106	Hex Schmitt Trigger	65
197	CD40192	Synchronous BCD UP/DOWN Counter	50
	Miscellaneous
198	XR2206	Monolithic Function Generator	12
199	ICL/XR8038	Sine, square, Triangular, Waveform generators	30
200	MAX038	MAX038 high-frequency waveform generator	18
201	MAX232	Line driver/ receiver	80
202	TSOP	38KHz IR sensors	45
203	DS1302	Real Time clock, calendar	12
204	DS1307	Serial RTC, BCD clock/calendar, 56 Bytes NV SRAM	15
205	MOC3020	Random- Phase optoisolators,Triac Driver Output	50
206	MOC3041	Zero cross optoisolators, Triac driver output	0
207	MCT2E	Photo coupler	30
208	L293	600mA IC motor driver	1
209	L298	High power, Dual bridge stepper motor drive	6
210	ULN2003	High voltage, high current Darlington arrays	18
211	ULN 2803	50v, High current(500mA continuous) Darlington Tr. Arrays	35
212	PBL3717	Stepper Motor Driver	2
213	PT100	Platinum resistance Thermometers/RTD sensors	2
214	Con. Microphone	Condenser Microphones	50
215	GL Sensor	Ultrasound GL sensor 16mm, 40KHz	12
216	LCD Display	JHD162A	40
217	LM35	Temperature Sensor -55 to 150C	40
218	4N25	6- Pin DIP Optoisolators Transistors Output	12
219	4N35	Opto-Coupler. Isolation 3550 V AC peak	30
220	4N37	Opto-Coupler. Isolation 1500 V AC peak	35
221	Relays	5v Relays	30
222	Buzzer	Buzzer	30
223	Key Board Pads	Keyboard- Keypads	15
	Transistors
224	SL100	NPN, Si, 50V, 500mA, 40<hFE < 300	160
225	SK100	PNP, Si, 50V, 500mA, 40<hFE < 300	160
226	BFW10	JFET- IDSS< 20mA, ID= 20mA(max.), VDS= 30V	25
227	BFW11	JFET- IDSS< 10mA, ID= 20mA(max.), VDS= 30V	45
228	BC107	NPN, Si, 45V, 100mA,hFE > 110	175
229	BC108	NPN, Si, 20V, 100mA,hFE > 120	55
230	BC109B	NPN, Si, 20V, 100mA,hFE > 180	20
231	BC 147	NPN transistor	20
232	BC327	PNP Si, 45v/0.8A 500mw HFE 63min	15
233	BC337	NPN Si, 45v/0.8A 360mw HFE 100min	15
234	BC547	NPN, Si, 45V, 100mA,hFE > 110	125
235	BC548	NPN, Si, 30V, 100mA,hFE > 110	100
236	BC549	NPN, Si, 30V, 100mA,hFE > 110	50
237	BC557	PNP, Si, 45V, 200mA,hFE > 75	150
238	BC558	PNP, Si, 25V, 100mA,75<hFE<475	15
239	2N2221	NPN, Si, 30V, 800mA,4<hFE < 120	180
240	2N2222	NPN, Si, 30V, 800mA,hFE > 100	70
241	TIP 121	NPN, Si, 80V, 5A,hFE > 1000	45
242	TIP 122	NPN, Si, 100V, 5A,hFE > 1000	65
243	TIP 127	PNP, Si, 100V, 5A,hFE > 1000	55
244	BD137	NPN Transistor	15
245	BD139	NPN Silicon Transistor	30
246	BD140	PNP Silicon Transistor	40
	Triac
247	BTA 06-600	400 Volts, 6 Ampr, Triac	90
248	BT 136-600	600 Volts, 4 Ampr, Triac	5
	`
	LEDs
249	Red	10mA (MAX) Red LED	150
250	Yellow	10mA (MAX) Yellow LED	80
251	Green	10mA (MAX) Green LED	100
252	Blue	10mA (MAX) Blue LED	10
253	White	10mA (MAX) White LED	50
	IR LEDs
254	IR Tx LED	IR Transmitter LEDs	35
255	IR Rx LED	IR Receiver LEDs	60
256	Photo Diodes	3PW-34, Photodiode	40
257	Phototransistors	Phototransistors-114G3	50
258	Photo coupler	PC817,Photocoupler	30
259	LDR	LDR Photo Sensors	35
	Display
260	LT 542/ LT5501	Common Anode, 7-segment, LED Displays	50
261	LT 543/LT 5503	Common Cathodes, 7-segment, LED Displays	50
	Diodes
262	CD22	Si Signal Diodes, 50mA/50V	100
263	1N4007	Si Rectifiers 1Amp, 1000V	150
264	1N4148	Si, Diodes, 100v, 0.2A Fast switching < 4ns	200
265	1N4937	1 AMP Fast Recovery Rectifier	20
266	BA159	Fast Silicon Rectifier Diodes	35
	Zener
267	3V	3V Zener Diode	0
268	3.3V	3.3V Zener Diode	60
269	4.7V	4.7V Zener Diode	100
270	5.1V	5.1V Zener Diode	60
271	5.6V	5.6V Zener Diode	20
272	6.2V	6.2V Zener Diode	60
273	7.5V	7.5V Zener Diode	20
274	8.2V	8.2V Zener Diode	70
275	9.1V	9.1V Zener Diode	80
276	10V	10V Zener Diode	50
277	12V	12V Zener Diode	70
278	15V	15V Zener Diode	70
279	18V	18V Zener Diode	10
280	24V	24V Zener Diode	5
281	33V	33V Zener Diode	10
	Telephone Comp
282	LS1240	Electronic two tone Telephone Ringer	10
283	UM91214B	Tone/Pulse Dialer	20
284	TEA1062A	Low voltage transmission circuits with dialler interface	3
285	CM8870	CMOS Integrated DTMF Receiver	20
	Transformers
286	9-0-9V	Input :-230 V,Current :-500 mA	10
287	12-0-12V	Input :-230 V,Current :-500 mA	8
	5W Resistors
288	1Ω	1Ω,5Watt Resistors	0
289	2.2Ω	2.2Ω,5Watt Resistors	75
290	4.7Ω	4.7Ω,5Watt Resistors	110
291	10Ω	10Ω,5Watt Resistors	70

Last updated on 03/02/2009