# Thyristor, 4 A, TO-251, 3 Pins

![Product image](https://novapart.co/image/farnell:1748945/)

**URL**: https://novapart.co/products/FLC01-200H/thyristor-4-a-to-251-3-pins
**SKU**: FLC01-200H
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Thyristors || Thyristors - SCRs
**Price**: €0.7920
**Stock**: 10+

## Description

Peak Repetitive Off-State Voltage, Vdrm:-; Gate Trigger Current Max, Igt:-; Current It av:4A; On State RMS Current IT(rms):-; Thyristor Case Style:TO-251; No. of Pins:3Pins; Peak Non R

## Specifications

| Parameter | Value |
|---|---|
| Msl | - |
| Svhc | No SVHC (17-Dec-2015) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Thyristor Mounting | Through Hole |
| Holding Current Max | - |
| On State Rms Current | - |
| Thyristor Case Style | TO-251 |
| Average On State Current | 4A |
| Gate Trigger Current Max | - |
| Gate Trigger Voltage Max | - |
| Operating Temperature Max | 120°C |
| Peak Non Repetitive Surge Current | - |
| Peak Repetitive Off State Voltage | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1748945/)

## **FLC01** 

## Fire lighter circuit 

− **Datasheet production data** 

## **Description** 

**==> picture [213 x 102] intentionally omitted <==**

**----- Start of picture text -----**<br>
TAB<br>TAB<br>1 1 2<br>2<br>3 IPAK 3 DPAK<br>**----- End of picture text -----**<br>


The FLC01 series has been especially developed for capacitance discharge operation. The main applications are gas lighters or ignitors such as cookers / gas boilers / gas hobs... 

It provides a fully integrated function, with high performance and reliability levels, adapted to severe and hot temperature environment. 

- **Th:** Thyristor for switching operation 

- **Z:** Zener diode to set the threshold voltage 

- **D:** Diode for reverse conduction 

- **R:** 2 k Ω resistor 

. 

**Table 1. Device summary** 

## **Features** 

- Dedicated thyristor structure for capacitance discharge ignition operation 

- High pulse current capability: 

|**Symbol**|**Value**|**Unit**|
|---|---|---|
|IT(rms)|4|A|
|VDRM, VRRM|600|V|
|IGT|5|mA|



   - 190 A at tp = 10 µs 

- Fast turn-on operation 

- Designed for high ambient temperature (up to 120° C) 

## **Benefits** 

- Space saving thanks to monolithic function integration 

- High reliability with planar technology 

## **Figure 1. Functional diagram** 

**==> picture [130 x 184] intentionally omitted <==**

**----- Start of picture text -----**<br>
pin 2<br>Z<br>Th<br>D<br>R<br>pin 1<br>* pin 3 non connected<br>**----- End of picture text -----**<br>


May 2014 

DocID3616 Rev 7 

1/11 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**FLC01** 

## **1 Characteristics** 

**Table 2. Absolute ratings (limiting values)** 

||**Table 2. Absolute ratings (limiting values)gs (limiting values)s (limiting values)(limiting values)limiting values)g values) values))**|**Table 2. Absolute ratings (limiting values)gs (limiting values)s (limiting values)(limiting values)limiting values)g values) values))**|||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|ITRM|Repetitive surge peak on state current for thyristor<br>-30° C≤Tamb ≤120° C|tp= 10 µs<br>(_Figure 3_)|190|A|
|IFRM|Repetitive surge peak on state current for diode<br>-30° C≤Tamb ≤120° C||||
|dl/dt|Critical rate of rise time on state current -30° C≤Tamb ≤120° C||120|A/µs|
|Tstg<br>Tj|Storage junction temperature range<br>Maximum junction temperature||- 40 to + 150<br>+ 125|° C|
|Toper|Operating temperature range||- 30 to + 120|° C|
|TL|Maximum lead temperature for soldering during 10s||260|° C|



## **Figure 2. Electrical characteristics (definitions)** 

**==> picture [261 x 107] intentionally omitted <==**

**----- Start of picture text -----**<br>
I<br>Sym bol =  Parm eter IF<br>VRM =  Stand-off voltage<br>VBO =   Breakover voltage<br>VT =  On-state voltage VB O VRM VT VF V<br>VF =  Diode forward drop IR M<br>IBO =  Breakover current<br>IRM =   Leakage current IB O<br>72 T = Temperature coefficient for VBO<br>IT<br>**----- End of picture text -----**<br>


|**Symbol**|**Test Conditions**|**Test Conditions**|**Min.**|**Typ.**|**Max**|**Unit**|
|---|---|---|---|---|---|---|
|IRM|VRM= 200 V|Tj= 25° C|||1|µA|
|||Tj= 125° C|||10|µA|
|VBO|at IBO|Tj= 25° C|206|220|233|V|
|IBO|at VBO|Tj= 25° C|||0.5|mA|
|VT|IT= 2 A<br>tp ≤500 µs|Tj= 25° C|||1.7|V|
|αT||||0.27||V/° C|



2/11 

DocID3616 Rev 7 

**FLC01** 

**Characteristics** 

**==> picture [449 x 382] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 3. Test current waveform Figure 4. Relative variation of breakover<br>current versus junction<br>temperature<br>k = IBO(Tj) / IBO(25°C)<br>2.5<br>2<br>1.5<br>1<br>10µs<br>0.5<br>200ms<br>0<br>-20 0 20 40 60 80 100<br>Tj (°C)<br>Figure 5. Basic application<br>Ic<br>Ic<br>t<br>c<br>Rs Ds<br>=<br>Th<br>AC Z<br>MAINS D<br>R<br>FLC01-200x<br>**----- End of picture text -----**<br>


DocID3616 Rev 7 

3/11 

**Characteristics** 

**FLC01** 

The applications of the lighter using the capacitance discharge topology operate in 2 phases: 

## **Phase 1** 

The energy coming from the mains is stored into the capacitor C. For that, the AC voltage is rectified by the diode Ds. 

## **Phase 2** 

At the end of the phase 1, the voltage across the capacitor C reaches the avalanche threshold of the zener. Then a current flows through the gate of the thyristor Th which fires. 

- The firing of the thyristor causes an alternating current to flow through the capacitor C 

- The positive parts of this current flow through C, Th and the primary of the HV transformer 

- The negative parts of the current flow through C, D and the primary of the HV transformer 

## **RS resistor calculation** 

The Rs resistor allows, in addition with the capacitor C, the spark frequency to be adjusted and the current from the mains to be limited. Its value shall allow the thyristor Th to fire even in the worst case. In this case the system must fire with the lower RMS mains voltage value while the breakdown voltage and current of the FLC are at the maximum. 

The maximum Rs value is equal to: 

**==> picture [246 x 24] intentionally omitted <==**

- (1) See _Figure 4_ 

## **Figure 6. Spark frequency versus RS and C** 

**==> picture [284 x 167] intentionally omitted <==**

**----- Start of picture text -----**<br>
F (Hz)<br>Vac=220Vrms, Vbo=225V, Tamb=25°C<br>20<br>10 Sete —~<br>SE DD=<br>5 SSEa ee ee ~7 ESee ens oe<br>3<br>oS<br>2<br>COT<br>1<br>4.7 6.8 10 12 15 18 22 27 30<br>Rs (k   ) Ω<br>C=0.47 μ F<br>C=1 μ F<br>C=1.5 μ F<br>C=2.7C=2.2 μ F μ F<br>C=3.3 μ F<br>**----- End of picture text -----**<br>


The couple Rs/C can be chosen with the previous curve. 

Keep in mind the Rs maximum limit for which the system would not work when the AC mains is minimum. 

4/11 

DocID3616 Rev 7 

**FLC01** 

**Characteristics** 

The next curve on the next page shows the behavior with RS = 15 k Ω and C = 1 µF. 

## **Figure 7. Voltage across the capacitance with Rs = Rs 15 k** Ω **, C = 1 µF and VBO = 225 V** 

## **Peak current limit** 

This component is designed to withstand ITRM = 190 A for a pulse duration of 10 µs for an ambient temperature of 120° C in repetitive surge. The curve of peak current versus the pulse duration allows us to verify if the application is within the FLC operating limit. 

## **Figure 8. Peak current limit versus pulse duration** 

**==> picture [270 x 174] intentionally omitted <==**

**----- Start of picture text -----**<br>
ITRM(A)<br>250<br>Tj max=120°C<br>200<br>150<br>100<br>50<br>5.0 7.5 10.0 12.5 15.0<br>tp (µs)<br>**----- End of picture text -----**<br>


## **Power losses (for 10 µs, see** _**Figure 3**_ **)** 

To evaluate the power losses, please use the following equations: 

- For the thyristor: P = 1.18 x IT(AV) + 0.035 I[2] T(RMS) 

- – For the diode: P = 0.67 x I + 0.106 I[2] F(AV) F(RMS) 

DocID3616 Rev 7 5/11 ~~Wea~~ 

**FLC01** 

**Package information** 

## **2 Package information** 

- Epoxy meets UL94, V0 

- Lead-free package 

- Recommended torque: 0.4 to 0.6 N·m 

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK[®] packages, depending on their level of environmental compliance. ECOPACK[®] specifications, grade definitions and product status are available at: www.st.com. ECOPACK[®] is an ST trademark. 

## **Figure 9. DPAK dimension definitions** 

**==> picture [429 x 403] intentionally omitted <==**

**----- Start of picture text -----**<br>
A<br>ica,<br>E<br>b4<br>c2 E1<br>L2<br>D1<br>D<br>D<br>H A 1<br>E1<br>L4<br>t ia l n i e a t<br>b<br>e1 c<br>rr +<br>V2<br>A2 L<br>Note: this package drawing may slightly differ from the physical package. However, all the<br>specified dimensions are guaranteed.<br>**----- End of picture text -----**<br>


6/11 

DocID3616 Rev 7 

**FLC01** 

**Package information** 

**Table 6. DPAK dimension values** 

||**Table 6. DPAK dimension values**|**Table 6. DPAK dimension values**|**Table 6. DPAK dimension values**|**Table 6. DPAK dimension values**|**Table 6. DPAK dimension values**|**Table 6. DPAK dimension values**|
|---|---|---|---|---|---|---|
|**Ref.**<br>~~a~~|**Dimensions**||||||
||**Millimeters**<br>~~ee~~<br>~~ee~~<br>|||**Inches**<br>~~ee~~|||
||**Min.**<br>~~ee~~<br>~~ee~~<br>|**Typ.**<br>~~ee~~<br>~~ee~~|**Max.**<br>~~ee~~<br>~~ee~~<br>~~ee~~|**Min.**<br>~~ee~~<br>~~ee~~|**Typ.**<br>~~ee~~<br>~~ee~~|**Max.**<br>~~ee~~<br>~~ee~~|
|A<br>~~a~~<br>~~a~~<br>~~ee~~|2.18<br>~~ee~~<br>~~es~~<br>|~~ee~~<br>~~es~~<br>|2.40<br>~~ee~~<br>~~ee~~<br>~~es~~<br>|0.086<br>~~ee~~<br>|~~ee~~<br>|0.094<br>~~ee~~<br>|
|A1<br>~~a ~~<br>~~a~~<br>~~ee~~<br>~~ee~~|0.90<br> ~~ee~~<br>~~es~~<br><br>|~~ee~~<br>~~es~~<br><br>|1.10<br>~~ee~~<br>~~ee~~<br>~~es~~<br><br>|0.035<br>~~ee~~<br><br>~~**e**e~~<br>|~~ee~~<br><br>~~ee~~|0.043<br>~~ee~~<br>|
|A2<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.03<br>~~es~~<br>~~ee~~<br><br>|~~es~~<br>~~ee~~<br><br>|0.23<br>~~es~~<br>~~ee~~<br><br>|0.001<br>~~ee~~<br>~~**e**e~~<br>~~**e**e~~<br>|~~ee~~<br>~~ee~~<br>~~ee~~|0.009<br>~~ee~~|
|b<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.64<br>~~es ~~<br><br>~~e~~<br><br>|~~es ~~<br><br>~~e~~<br><br>|0.90<br> ~~es~~<br><br>~~e~~<br><br>|0.025<br><br>~~**e**e~~<br>~~**e**e~~<br>~~**e**e~~<br>|~~ee~~<br>~~ee~~<br>~~ee~~|0.035<br>|
|b4<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|4.95<br><br>~~e~~<br><br>|~~e~~<br><br>|5.46<br><br>~~e~~<br><br>|0.195<br>~~**e**e~~<br>~~**e**e~~<br>~~**e**e~~<br>~~**e**e~~<br>|~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.215|
|c<br><br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~a~~|0.46<br><br><br>~~e~~<br><br>|~~e~~<br><br>|0.61<br><br><br>~~e~~<br><br>|0.018<br>~~**e**e~~<br>~~**e**e~~<br>~~**e**e~~<br>~~ee~~|~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.024|
|c2<br><br>~~ee~~<br>~~ee~~<br>~~a~~<br>~~a~~|0.46<br><br><br>~~e~~<br>~~es~~<br>|~~e~~<br>~~es~~<br>|0.60<br><br><br>~~e~~<br>~~ee~~<br>|0.018<br>~~**e**e~~<br>~~**e**e~~<br>~~ee~~<br>|~~ee~~<br>~~ee~~<br>~~ee~~|0.023|
|D<br><br>~~ee~~<br>~~a ~~<br>~~a~~<br>~~ee~~|5.97<br><br><br> ~~es~~<br>~~ee~~<br>|~~es~~<br>~~ee~~<br>|6.22<br><br><br>~~ee~~<br>~~ee~~<br>|0.235<br>~~**e**e~~<br>~~ee~~<br>~~**e**e~~<br>|~~ee~~<br>~~ee~~|0.244|
|D1<br> <br>~~a ~~<br>~~ee~~<br>~~a~~|5.10<br> ~~es~~<br> ~~ee~~<br>|~~es~~<br>~~ee~~<br>|~~ee~~<br>~~ee~~<br>|0.201<br>~~**e**e~~<br>~~ee~~|~~ee~~||
|E<br> <br>~~ee~~<br>~~a~~<br>~~a~~|6.35<br> ~~ee~~<br>~~e~~<br>~~ee ee ee ee~~<br>|~~ee~~<br>~~e~~<br>~~ee ee ee~~<br>|6.73<br>~~ee~~<br>~~e~~<br>~~ee ee ee~~<br>|0.250<br>~~**e**e~~<br>~~ee~~<br>~~ee ee ee~~<br>|~~ee~~<br>~~ee~~|0.264|
|E1<br> <br>~~ee~~<br>~~a~~<br>~~a~~<br>~~ee~~|~~ee~~<br><br>~~ee ee ee ee~~<br>~~ee~~<br>|4.32<br>~~ee ~~<br><br>~~ee ee ee~~<br>~~ee~~<br>|~~ee ~~<br><br>~~ee ee ee~~<br>~~ee~~<br>|~~**e**e~~<br>~~ee~~<br>~~ee ee ee~~<br>~~**e**e~~<br>|0.170<br>~~ee~~<br>~~ee~~||
|e1<br>~~a ~~<br>~~ee~~<br>~~a~~|4.40<br>~~ee ee ee ee~~<br> ~~ee~~<br><br>|~~ee ee ee~~<br>~~ee~~<br><br>|4.70<br>~~ee ee ee~~<br>~~ee~~<br><br>|0.173<br>~~ee ee ee~~<br>~~**e**e~~<br>~~ee~~|~~ee~~<br>~~ee~~|0.185|
|H<br> <br>~~ee~~<br>~~a~~<br>~~a~~|9.35<br> ~~ee~~<br>~~e~~<br>~~es~~<br>|~~ee~~<br>~~e~~<br>~~es~~<br>|10.40<br>~~ee~~<br>~~e~~<br>~~ee~~<br>|0.368<br>~~**e**e~~<br>~~ee~~<br>|~~ee~~|0.409|
|L<br> <br>~~ee~~<br>~~a ~~<br>~~a~~<br>~~ee~~|1.00<br> ~~ee~~<br><br> ~~es~~<br>~~ee~~<br>|~~ee ~~<br><br>~~es~~<br>~~ee~~<br>|1.78<br> ~~ee ~~<br><br>~~ee~~<br>~~ee~~<br>|0.039<br> ~~**e**e~~<br>~~ee~~<br>~~**e**e~~<br>|~~ee~~|0.070|
|L2<br> <br>~~a ~~<br>~~ee~~<br>~~a~~|~~es~~<br> ~~ee~~<br>|~~es~~<br>~~ee~~<br>|1.27<br>~~ee~~<br>~~ee~~<br>|~~**e**e~~<br>~~ee~~|~~ee~~|0.05|
|L4<br> <br>~~ee~~<br>~~a~~|0.60<br> ~~ee~~<br>~~e~~<br>~~ee~~|~~ee~~<br>~~e~~<br>~~ee ee~~|1.02<br>~~ee~~<br>~~e~~<br>~~ee~~|0.023<br>~~**e**e~~<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee~~|0.040|
|V2<br> <br>~~ee~~<br>~~a~~|0°<br> ~~ee~~<br><br>~~ee~~|~~ee ~~<br><br>~~ee ee~~|8°<br> ~~ee ~~<br><br>~~ee~~|0°<br> ~~**e**e~~<br>~~ee~~<br>~~ee~~|~~ee~~<br>~~ee~~|8°|



DocID3616 Rev 7 7/11 ~~CS7~~ 

**FLC01** 

**Package information** 

## **Figure 11. IPAK dimension definitions** 

**==> picture [215 x 282] intentionally omitted <==**

**----- Start of picture text -----**<br>
E A<br>b4 c2<br>L2 V1<br>| [t]<br>D<br>C<br>L1<br>H<br>A1<br>b2<br>L<br>e<br>|<br>b c<br>e1<br>**----- End of picture text -----**<br>


_Note: this package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed._ 

8/11 

DocID3616 Rev 7 

**FLC01** 

**Package information** 

**Table 7. IPAK dimension values** 

|**Ref.**<br>~~co~~|**Dimensions**<br>~~co~~|**Dimensions**<br>~~co~~|**Dimensions**<br>~~co~~|**Dimensions**<br>~~co~~|**Dimensions**<br>~~co~~|**Dimensions**<br>~~co~~|
|---|---|---|---|---|---|---|
||**Millimeters**<br>~~coee~~|||**Inches**<br>~~ee~~<br>~~ee~~|||
||**Min.**<br>~~ee~~<br>~~ee~~|**Typ.**<br>~~ee~~<br>~~ee~~|**Max.**<br>~~ee~~<br>~~ee~~|**Min.**<br>~~ee~~<br>~~ee~~|**Typ.**<br>~~ee~~<br>~~ee~~|**Max.**<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|A<br>~~ee~~|2.20<br>~~ee~~|~~ee~~|2.40<br>~~ee~~|0.086<br>~~ee~~|~~ee~~|0.094<br>~~ee~~<br>~~ee~~|
|A1<br>~~ee~~<br>~~ss~~|0.90<br>~~ee~~<br>~~ss~~|~~ee~~<br>~~ss~~|1.10<br>~~ee~~<br>~~ss~~|0.035<br>~~ee~~<br>~~ss~~|~~ee~~<br>~~ss~~|0.043<br>~~ee~~<br>~~ss~~|
|b<br>~~a~~|0.64||0.90|0.025||0.035|
|b2<br>~~a~~|||0.95|||0.037|
|b4<br>~~a~~|5.20||5.43|0.204||0.213|
|c<br>~~a~~|0.45||0.60|0.017||0.023|
|c2<br>~~a~~|0.46||0.60|0.018||0.023|
|D<br>~~Re~~<br>~~es~~|6<br>~~Re~~<br>~~es~~||6.20|0.236||0.244|
|E<br>~~es~~|6.40<br>~~es~~||6.70|0.252||0.263|
|e<br>~~es~~<br>~~a~~|~~es~~<br>|2.28<br>|||0.090<br>||
|e1<br>~~ss~~<br>~~es~~|4.40<br>~~ss~~<br>~~es~~|~~ss~~|4.60<br>~~ss~~|0.173<br>~~ss~~|~~ss~~|0.181<br>~~ss~~|
|H<br>~~es~~|~~es~~|16.10|||0.634||
|L<br>~~es~~<br>~~a~~|9<br>~~es~~||9.60|0.354||0.377|
|L1<br>~~Re~~<br>~~es~~|0.8<br>~~Re~~<br>~~es~~||1.20|0.031||0.047|
|L2<br>~~es~~|~~es~~|0.80|1.25||0.031|0.049|
|V1<br>~~es~~<br>~~es~~|~~es~~<br>~~es~~|10°<br>~~es~~|~~es~~|~~es~~|10°<br>~~es~~|~~es~~|



DocID3616 Rev 7 

9/11 

**Ordering information FLC01 3 Ordering information Figure 12. Order information scheme FLC   01  -  200   x   (-TR) Fire Lighter Circuit Circuit number** 01 = thyristor + diode + zener + resistance (pin 3 not connected) **Stand-off voltage** 200 = 200 V **Package** H = IPAK B = DPAK **Packing mode** -TR = Tape & reel Blanck = Tube ~~=~~ **Table 8. Ordering information Order code Marking Package Weight Base qty Delivery mode** FLC01-200H FLC01-200H IPAK 0.4 g 75 Tube FLC01-200B FLC01-200B DPAK 0.3 g 75 Tube FLC01-200B-TR FLC01-200B DPAK 0.3 g 2500 Tape and reel ~~=====—~~ **4 Revision history Table 9. Document revision history Date Revision Changes** April-2002 6C First issue. Updated DPAK and IPAK package information and reformatted to 27-May-2014 7 current standard. ~~——~~ 10/11 DocID3616 Rev 7 

**FLC01** 

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DocID3616 Rev 7 

11/11 



## Links

- [View this product on Novapart](https://novapart.co/products/FLC01-200H/thyristor-4-a-to-251-3-pins)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/flc01-200h/thyristor-fire-lighter-cir-i-pak/dp/1748945)
---

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